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15257 commits
Author | SHA1 | Message | Date | |
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Geliang Tang
|
40061817d9 |
selftests: mptcp: join: fix dev in check_endpoint
There's a bug in pm_nl_check_endpoint(), 'dev' didn't be parsed correctly.
If calling it in the 2nd test of endpoint_tests() too, it fails with an
error like this:
creation [FAIL] expected '10.0.2.2 id 2 subflow dev dev' \
found '10.0.2.2 id 2 subflow dev ns2eth2'
The reason is '$2' should be set to 'dev', not '$1'. This patch fixes it.
Fixes:
|
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Davide Caratti
|
7a1b3490f4 |
mptcp: don't account accept() of non-MPC client as fallback to TCP
Current MPTCP servers increment MPTcpExtMPCapableFallbackACK when they
accept non-MPC connections. As reported by Christoph, this is "surprising"
because the counter might become greater than MPTcpExtMPCapableSYNRX.
MPTcpExtMPCapableFallbackACK counter's name suggests it should only be
incremented when a connection was seen using MPTCP options, then a
fallback to TCP has been done. Let's do that by incrementing it when
the subflow context of an inbound MPC connection attempt is dropped.
Also, update mptcp_connect.sh kselftest, to ensure that the
above MIB does not increment in case a pure TCP client connects to a
MPTCP server.
Fixes:
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Jakub Kicinski
|
31974122cf |
selftests: reuseaddr_conflict: add missing new line at the end of the output
The netdev CI runs in a VM and captures serial, so stdout and
stderr get combined. Because there's a missing new line in
stderr the test ends up corrupting KTAP:
# Successok 1 selftests: net: reuseaddr_conflict
which should have been:
# Success
ok 1 selftests: net: reuseaddr_conflict
Fixes:
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Kuniyuki Iwashima
|
7679f0968d |
selftest: tcp: Add bind() tests for SO_REUSEADDR/SO_REUSEPORT.
This patch adds two tests using SO_REUSEADDR and SO_REUSEPORT and defines errno for each test case. SO_REUSEADDR/SO_REUSEPORT is set for the per-fixture two bind() calls. The notable pattern is the pair of v6only [::] and plain [::]. The two sockets are put into the same tb2, where per-bucket v6only flag would be useless to detect bind() conflict. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://lore.kernel.org/r/20240326204251.51301-9-kuniyu@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Kuniyuki Iwashima
|
d37f2f72c9 |
selftest: tcp: Add bind() tests for IPV6_V6ONLY.
bhash2 was not well tested for IPv6-only sockets. This patch adds test cases where we set IPV6_V6ONLY for per-fixture bind() calls if variant->ipv6_only[i] is true. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://lore.kernel.org/r/20240326204251.51301-8-kuniyu@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Kuniyuki Iwashima
|
f40742c22a |
selftest: tcp: Add more bind() calls.
In addtition to the two addresses defined in the fixtures, this patch add 6 more bind calls(): * 0.0.0.0 * 127.0.0.1 * :: * ::1 * ::ffff:0.0.0.0 * ::ffff:127.0.0.1 The first two per-fixture bind() calls control how inet_bind2_bucket is created, and the rest 6 bind() calls cover as many conflicting patterns as possible. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://lore.kernel.org/r/20240326204251.51301-7-kuniyu@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Kuniyuki Iwashima
|
5e9e9afdb5 |
selftest: tcp: Add v4-v4 and v6-v6 bind() conflict tests.
We don't have bind() conflict tests for the same protocol pairs. Let's add them except for the same address pair, which will be covered by the following patch adding 6 more bind() calls for each test case. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://lore.kernel.org/r/20240326204251.51301-6-kuniyu@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Kuniyuki Iwashima
|
6f9bc755c0 |
selftest: tcp: Define the reverse order bind() tests explicitly.
Currently, bind_wildcard.c calls bind() twice for two addresses and checks the pre-defined errno against the 2nd call. Also, the two bind() calls are swapped to cover various patterns how bind buckets are created. However, only testing two addresses is insufficient to detect regression. So, we will add more bind() calls, and then, we need to define different errno for each bind() per test case. As a prepartion, let's define the reverse order bind() test cases as fixtures. No functional changes are intended. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://lore.kernel.org/r/20240326204251.51301-5-kuniyu@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Kuniyuki Iwashima
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c48baf567d |
selftest: tcp: Make bind() selftest flexible.
Currently, bind_wildcard.c tests only (IPv4, IPv6) pairs, but we will add more tests for the same protocol pairs. This patch makes it possible by changing the address pointer to void. No functional changes are intended. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://lore.kernel.org/r/20240326204251.51301-4-kuniyu@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Antoine Tenart
|
0fb101be97 |
selftests: net: gro fwd: update vxlan GRO test expectations
UDP tunnel packets can't be GRO in-between their endpoints as this
causes different issues. The UDP GRO fwd vxlan tests were relying on
this and their expectations have to be fixed.
We keep both vxlan tests and expected no GRO from happening. The vxlan
UDP GRO bench test was removed as it's not providing any valuable
information now.
Fixes:
|
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Linus Torvalds
|
50108c352d |
Including fixes from bpf, WiFi and netfilter.
Current release - regressions: - ipv6: fix address dump when IPv6 is disabled on an interface Current release - new code bugs: - bpf: temporarily disable atomic operations in BPF arena - nexthop: fix uninitialized variable in nla_put_nh_group_stats() Previous releases - regressions: - bpf: protect against int overflow for stack access size - hsr: fix the promiscuous mode in offload mode - wifi: don't always use FW dump trig - tls: adjust recv return with async crypto and failed copy to userspace - tcp: properly terminate timers for kernel sockets - ice: fix memory corruption bug with suspend and rebuild - at803x: fix kernel panic with at8031_probe - qeth: handle deferred cc1 Previous releases - always broken: - bpf: fix bug in BPF_LDX_MEMSX - netfilter: reject table flag and netdev basechain updates - inet_defrag: prevent sk release while still in use - wifi: pick the version of SESSION_PROTECTION_NOTIF - wwan: t7xx: split 64bit accesses to fix alignment issues - mlxbf_gige: call request_irq() after NAPI initialized - hns3: fix kernel crash when devlink reload during pf initialization Signed-off-by: Paolo Abeni <pabeni@redhat.com> -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEEg1AjqC77wbdLX2LbKSR5jcyPE6QFAmYFezkSHHBhYmVuaUBy ZWRoYXQuY29tAAoJECkkeY3MjxOkdAUP/3SYNsFNIkh0/jwQqO9qBLJfI4suFjYG +s8jOGdCiA7n7aSgzv/RgGZ7XNqOegW3mpPRHecVVZcDu5I9y9N4AOhTDQG84TM/ 65YatgWpiZJT74oVEpoA8zcnmb4CCGYdWAxJCQZUKXoLjMAMPWelU4ee6VwonxGy GJ97+a4AxTXGvmQTi3rz0HLrSHQaizA+D7YP7YD8JczkG7I7kcAIR+SUWVKLSuw0 VJnbko7RPIe3vdFFlMFypPgpZASjnO0O8g60s+eruazarEpMZE2+RqPfyz0nEg+u IK3W9zRw7r0PMkKqk9PoSaRjsIaNqIZBJR2Smh2cLMIpEB4CUvEFLi7WAshIdyUC +LBN9um3Ep3vLYh4nyuU3FzAyqdsqEo6+ayJCTRKq91xv9LrLmIN16IQpAqaRikb LJAuiaASwIpyu1FxBuTv41mLEUKtpm7ooziomHTJ7KbtzSf4QevRMBtorrB5t7VH l4yvp9ymcwHE79q8nrak1JH1JI/kCT5ZEPSqcOU5UNKSf6INjWqUTJedqZdVa5wB WiSZBixAmsc7DgZzARWKotRkgBEDyGeeHwrNLo/2kS8rS+hUCf6mSafpTZiPI/kL e+SVh+9RA8elFIF3sBV0VPcyt35G+if8o1NG1/2OTDPvZEkIz21eJhJgGyxRMHCD cpVSRBkU+np3 =HbtI -----END PGP SIGNATURE----- Merge tag 'net-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Including fixes from bpf, WiFi and netfilter. Current release - regressions: - ipv6: fix address dump when IPv6 is disabled on an interface Current release - new code bugs: - bpf: temporarily disable atomic operations in BPF arena - nexthop: fix uninitialized variable in nla_put_nh_group_stats() Previous releases - regressions: - bpf: protect against int overflow for stack access size - hsr: fix the promiscuous mode in offload mode - wifi: don't always use FW dump trig - tls: adjust recv return with async crypto and failed copy to userspace - tcp: properly terminate timers for kernel sockets - ice: fix memory corruption bug with suspend and rebuild - at803x: fix kernel panic with at8031_probe - qeth: handle deferred cc1 Previous releases - always broken: - bpf: fix bug in BPF_LDX_MEMSX - netfilter: reject table flag and netdev basechain updates - inet_defrag: prevent sk release while still in use - wifi: pick the version of SESSION_PROTECTION_NOTIF - wwan: t7xx: split 64bit accesses to fix alignment issues - mlxbf_gige: call request_irq() after NAPI initialized - hns3: fix kernel crash when devlink reload during pf initialization" * tag 'net-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (81 commits) inet: inet_defrag: prevent sk release while still in use Octeontx2-af: fix pause frame configuration in GMP mode net: lan743x: Add set RFE read fifo threshold for PCI1x1x chips net: bcmasp: Remove phy_{suspend/resume} net: bcmasp: Bring up unimac after PHY link up net: phy: qcom: at803x: fix kernel panic with at8031_probe netfilter: arptables: Select NETFILTER_FAMILY_ARP when building arp_tables.c netfilter: nf_tables: skip netdev hook unregistration if table is dormant netfilter: nf_tables: reject table flag and netdev basechain updates netfilter: nf_tables: reject destroy command to remove basechain hooks bpf: update BPF LSM designated reviewer list bpf: Protect against int overflow for stack access size bpf: Check bloom filter map value size bpf: fix warning for crash_kexec selftests: netdevsim: set test timeout to 10 minutes net: wan: framer: Add missing static inline qualifiers mlxbf_gige: call request_irq() after NAPI initialized tls: get psock ref after taking rxlock to avoid leak selftests: tls: add test with a partially invalid iov tls: adjust recv return with async crypto and failed copy to userspace ... |
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Paolo Abeni
|
7e6f4b2af5 |
for-net
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE+soXsSLHKoYyzcli6rmadz2vbToFAmYExnMACgkQ6rmadz2v bTofuA/8CVtNs4vcBfHSDaz9SzcSOp5pGhmUFHpwXkE5NPyi6tTRFRxfCkEK9/UG 1z9J54U6I7HB/6zbrhf1PP9c7ZbD9awPYTXude1cQaN9lgyxnfl5rfMDj4H5+5S7 TlmXxtFXUDlhcl8Hayxxe8UEZd6VPbfTP0/b7BRsesrT+G3+FxVf1Mh43NjEllYQ Fn/s/4UpYxz0YJCuud97fL+Vd04Dpx33ZihhIXU0hQ85ieyRMozat9o8n2bTsUGv 7K9Jsp9SzLpELeS/ScbzCqgU5mAJYfQWaXtt7tRNOpetvmL3/HQGAM3JRmPlOtna KDjZFO8ihIxSpqxXxwLjy3Z9SgzwqfVn6SP4cA+vhK2Nbk1vItAD/BvPkxsX1Zl+ Q8zSHQGNtoz+dMPlQtU1nEjVdk8YxQ/R9OI807CuiifY6590V13SfiNnxgoC213A tduI8q/EBFvAnuA8IJlutfVasHRuqCPmn0PXYWnlaWJP9tExE3shjCJG2Qmy3+bC z8RHeswujidR22VL8vDLxRKtlDl3mOclBqSJa+Cz5gH3oEBlvMfD0UU8CFeiEM4p ngryIc2dtd4Jd7eDKw2caNq+rgaTXpUjFi34deR0T0jO+YEwHGw6Kr/JYvU4UovY /YgGIeQXNMoO5eI72nNyDIeZNwENZLnt2P618vjIPDL+Pqau7go= =Sz5u -----END PGP SIGNATURE----- Merge tag 'for-net' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf Alexei Starovoitov says: ==================== pull-request: bpf 2024-03-27 The following pull-request contains BPF updates for your *net* tree. We've added 4 non-merge commits during the last 1 day(s) which contain a total of 5 files changed, 26 insertions(+), 3 deletions(-). The main changes are: 1) Fix bloom filter value size validation and protect the verifier against such mistakes, from Andrei. 2) Fix build due to CONFIG_KEXEC_CORE/CRASH_DUMP split, from Hari. 3) Update bpf_lsm maintainers entry, from Matt. * tag 'for-net' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: bpf: update BPF LSM designated reviewer list bpf: Protect against int overflow for stack access size bpf: Check bloom filter map value size bpf: fix warning for crash_kexec ==================== Link: https://lore.kernel.org/r/20240328012938.24249-1-alexei.starovoitov@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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Jakub Kicinski
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56d2f48ed8 |
wireless fixes for v6.9-rc2
The first fixes for v6.9. Ping-Ke Shih now maintains a separate tree for Realtek drivers, document that in the MAINTAINERS. Plenty of fixes for both to stack and iwlwifi. Our kunit tests were working only on um architecture but that's fixed now. -----BEGIN PGP SIGNATURE----- iQFFBAABCgAvFiEEiBjanGPFTz4PRfLobhckVSbrbZsFAmYEbzoRHGt2YWxvQGtl cm5lbC5vcmcACgkQbhckVSbrbZsjZwgApoOcTn/mkX7DEViByMUpOrdNYqkJh+Tv RkDDqhbA97i+zlxWp1dwtdfn0CYEcCW2XBucrfDNZMcR/cfXy2Wgdr6BD/FG9S2D oQX6QQijO7g9uqNgDfIVAC0ftJEeWkM7YUhqNDVR751gjy2WOOJqPtSgNGd873By P0rbHyfykHMzyYbwlzMLosO3RigefD1p1qkkODPf2OMo5A4tL1gL9AfEk3Kef9sf 9JHHWCLR378sm2sMpGw2Lxw4ypazl08ABu1yAWJk6Xipn80D/b08YUH/1yiKuq22 JrxhllJu2nqaHxXOzje2WEapTBz9tpTAwigOUQJiVZWm6ii19giGng== =89Ft -----END PGP SIGNATURE----- Merge tag 'wireless-2024-03-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless Kalle Valo says: ==================== wireless fixes for v6.9-rc2 The first fixes for v6.9. Ping-Ke Shih now maintains a separate tree for Realtek drivers, document that in the MAINTAINERS. Plenty of fixes for both to stack and iwlwifi. Our kunit tests were working only on um architecture but that's fixed now. * tag 'wireless-2024-03-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless: (21 commits) MAINTAINERS: wifi: mwifiex: add Francesco as reviewer kunit: fix wireless test dependencies wifi: iwlwifi: mvm: include link ID when releasing frames wifi: iwlwifi: mvm: handle debugfs names more carefully wifi: iwlwifi: mvm: guard against invalid STA ID on removal wifi: iwlwifi: read txq->read_ptr under lock wifi: iwlwifi: fw: don't always use FW dump trig wifi: iwlwifi: mvm: rfi: fix potential response leaks wifi: mac80211: correctly set active links upon TTLM wifi: iwlwifi: mvm: Configure the link mapping for non-MLD FW wifi: iwlwifi: mvm: consider having one active link wifi: iwlwifi: mvm: pick the version of SESSION_PROTECTION_NOTIF wifi: mac80211: fix prep_connection error path wifi: cfg80211: fix rdev_dump_mpp() arguments order wifi: iwlwifi: mvm: disable MLO for the time being wifi: cfg80211: add a flag to disable wireless extensions wifi: mac80211: fix ieee80211_bss_*_flags kernel-doc wifi: mac80211: check/clear fast rx for non-4addr sta VLAN changes wifi: mac80211: fix mlme_link_id_dbg() MAINTAINERS: wifi: add git tree for Realtek WiFi drivers ... ==================== Link: https://lore.kernel.org/r/20240327191346.1A1EAC433C7@smtp.kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Linus Torvalds
|
dc189b8e6a |
21 hotfixes. 11 are cc:stable and the remainder address post-6.8 issues
or aren't considered suitable for backporting. zswap figures prominently in the post-6.8 issues - folloup against the large amount of changes we have just made to that code. Apart from that, all over the map. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZgRltQAKCRDdBJ7gKXxA jvxhAP0SCuKnuzs/K8BTnO4CHXJPPXMhdWFbFjUOKoNToAwRJQEA0+5NvpAEtbov ljCkRZ3hXHJ6D5MH2vXSJIbkjekz/gg= =0j71 -----END PGP SIGNATURE----- Merge tag 'mm-hotfixes-stable-2024-03-27-11-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "Various hotfixes. About half are cc:stable and the remainder address post-6.8 issues or aren't considered suitable for backporting. zswap figures prominently in the post-6.8 issues - folloup against the large amount of changes we have just made to that code. Apart from that, all over the map" * tag 'mm-hotfixes-stable-2024-03-27-11-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (21 commits) crash: use macro to add crashk_res into iomem early for specific arch mm: zswap: fix data loss on SWP_SYNCHRONOUS_IO devices selftests/mm: fix ARM related issue with fork after pthread_create hexagon: vmlinux.lds.S: handle attributes section userfaultfd: fix deadlock warning when locking src and dst VMAs tmpfs: fix race on handling dquot rbtree selftests/mm: sigbus-wp test requires UFFD_FEATURE_WP_HUGETLBFS_SHMEM mm: zswap: fix writeback shinker GFP_NOIO/GFP_NOFS recursion ARM: prctl: reject PR_SET_MDWE on pre-ARMv6 prctl: generalize PR_SET_MDWE support check to be per-arch MAINTAINERS: remove incorrect M: tag for dm-devel@lists.linux.dev mm: zswap: fix kernel BUG in sg_init_one selftests: mm: restore settings from only parent process tools/Makefile: remove cgroup target mm: cachestat: fix two shmem bugs mm: increase folio batch size mm,page_owner: fix recursion mailmap: update entry for Leonard Crestez init: open /initrd.image with O_LARGEFILE selftests/mm: Fix build with _FORTIFY_SOURCE ... |
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Linus Torvalds
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f4a432914a |
execve fixes for v6.9-rc2
- Fix selftests to conform to the TAP output format (Muhammad Usama Anjum) - Fix NOMMU linux_binprm::exec pointer in auxv (Max Filippov) - Replace deprecated strncpy usage (Justin Stitt) - Replace another /bin/sh instance in selftests -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmYDT3sWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJjxlD/49PYpA4hMReEJ/01UkMn7IT2DP QWV9IfaPTodj9tjQngalhcF7r6O5guRR7MRfZxyaXriq4aJNzOLm2STmwSG1cOgP hP9D0HnMSc5CrqMJ2kSTr3ETK0a2mTivWl375TUgGdW+QJo7YYInHYaH2THhme1Z MkLHqSkruHw6YVvSvzoWiwZ4taiia7op8HbAEvJQiwnJdiVeCLIYbf2AxXNop2xv xcmoGkSh6KSiQ0XQ7VXs4LC3v/ElHBINSbChoXPBDY5kBWZybyxRwYCVt8mJftgF mVGXBFFpnaLU/gDayPg/Pyq9sW1bLpi8w0BBu419BVfAQ475K+YZ/V8nj4fm95e3 gIWm3x1O48r0OxdzmPb5re/s7lG5uNLzzFEWIus18NmqgA8S1CyFveRB3Zh8LlXB 9UEt4mlcgp/CLAo1Zv6IBe6UDcAf4AR4Tq+d+etmORTqHmM7n399XivNuft9myyB 9ObLCfKvOa71uF0n714XLHc5STk2KTK70Me2L/H5gitSqjIEKFNQ5SOaSbsGImDv i4YPnptCJFTQumE0Tu5hna8uyjOXFIxq/zkfDmzc1wP8FcijwRx3UPoO6WlQsdfx 5cmJSaIX1bhFC+4gxAoEHUDWPh/f4kLeDpIXX6NPH28Do1wxLnri3ryvkfgkw5Vj /1E03LXfcnnSbjQAPQ== =Siss -----END PGP SIGNATURE----- Merge tag 'execve-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull execve fixes from Kees Cook: - Fix selftests to conform to the TAP output format (Muhammad Usama Anjum) - Fix NOMMU linux_binprm::exec pointer in auxv (Max Filippov) - Replace deprecated strncpy usage (Justin Stitt) - Replace another /bin/sh instance in selftests * tag 'execve-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: binfmt: replace deprecated strncpy exec: Fix NOMMU linux_binprm::exec in transfer_args_to_stack() selftests/exec: Convert remaining /bin/sh to /bin/bash selftests/exec: execveat: Improve debug reporting selftests/exec: recursion-depth: conform test to TAP format output selftests/exec: load_address: conform test to TAP format output selftests/exec: binfmt_script: Add the overall result line according to TAP |
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Andrei Matei
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a8d89feba7 |
bpf: Check bloom filter map value size
This patch adds a missing check to bloom filter creating, rejecting values above KMALLOC_MAX_SIZE. This brings the bloom map in line with many other map types. The lack of this protection can cause kernel crashes for value sizes that overflow int's. Such a crash was caught by syzkaller. The next patch adds more guard-rails at a lower level. Signed-off-by: Andrei Matei <andreimatei1@gmail.com> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20240327024245.318299-2-andreimatei1@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Jakub Kicinski
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afbf75e8da |
selftests: netdevsim: set test timeout to 10 minutes
The longest running netdevsim test, nexthop.sh, currently takes
5 min to finish. Around 260s to be exact, and 310s on a debug kernel.
The default timeout in selftest is 45sec, so we need an explicit
config. Give ourselves some headroom and use 10min.
Commit under Fixes isn't really to "blame" but prior to that
netdevsim tests weren't integrated with kselftest infra
so blaming the tests themselves doesn't seem right, either.
Fixes:
|
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Sabrina Dubroca
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dc54b813df |
selftests: tls: add test with a partially invalid iov
Make sure that we don't return more bytes than we actually received if the userspace buffer was bogus. We expect to receive at least the rest of rec1, and possibly some of rec2 (currently, we don't, but that would be ok). Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://lore.kernel.org/r/720e61b3d3eab40af198a58ce2cd1ee019f0ceb1.1711120964.git.sd@queasysnail.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Edward Liaw
|
8c864371b2 |
selftests/mm: fix ARM related issue with fork after pthread_create
Following issue was observed while running the uffd-unit-tests selftest
on ARM devices. On x86_64 no issues were detected:
pthread_create followed by fork caused deadlock in certain cases wherein
fork required some work to be completed by the created thread. Used
synchronization to ensure that created thread's start function has started
before invoking fork.
[edliaw@google.com: refactored to use atomic_bool]
Link: https://lkml.kernel.org/r/20240325194100.775052-1-edliaw@google.com
Fixes:
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Edward Liaw
|
105840ebd7 |
selftests/mm: sigbus-wp test requires UFFD_FEATURE_WP_HUGETLBFS_SHMEM
The sigbus-wp test requires the UFFD_FEATURE_WP_HUGETLBFS_SHMEM flag for
shmem and hugetlb targets. Otherwise it is not backwards compatible with
kernels <5.19 and fails with EINVAL.
Link: https://lkml.kernel.org/r/20240321232023.2064975-1-edliaw@google.com
Fixes:
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Muhammad Usama Anjum
|
c52eb6db7b |
selftests: mm: restore settings from only parent process
The atexit() is called from parent process as well as forked processes.
Hence the child restores the settings at exit while the parent is still
executing. Fix this by checking pid of atexit() calling process and only
restore THP number from parent process.
Link: https://lkml.kernel.org/r/20240314094045.157149-1-usama.anjum@collabora.com
Fixes:
|
||
Vitaly Chikunov
|
8b65ef5ad4 |
selftests/mm: Fix build with _FORTIFY_SOURCE
Add missing flags argument to open(2) call with O_CREAT. Some tests fail to compile if _FORTIFY_SOURCE is defined (to any valid value) (together with -O), resulting in similar error messages such as: In file included from /usr/include/fcntl.h:342, from gup_test.c:1: In function 'open', inlined from 'main' at gup_test.c:206:10: /usr/include/bits/fcntl2.h:50:11: error: call to '__open_missing_mode' declared with attribute error: open with O_CREAT or O_TMPFILE in second argument needs 3 arguments 50 | __open_missing_mode (); | ^~~~~~~~~~~~~~~~~~~~~~ _FORTIFY_SOURCE is enabled by default in some distributions, so the tests are not built by default and are skipped. open(2) man-page warns about missing flags argument: "if it is not supplied, some arbitrary bytes from the stack will be applied as the file mode." Link: https://lkml.kernel.org/r/20240318023445.3192922-1-vt@altlinux.org Fixes: |
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Paolo Abeni
|
37ccdf7f11 |
bpf-for-netdev
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTFp0I1jqZrAX+hPRXbK58LschIgwUCZgHmTAAKCRDbK58LschI g1gWAP9HjAWE/Sy0B2t9opIiTqRzdMJLYs2B4OFeHRI6+qQg0gD6A4jsKEh/xmtG Hhjw+AElJRFZ3SUIT4mZlljzUHIYYAA= =T0lM -----END PGP SIGNATURE----- Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf Daniel Borkmann says: ==================== pull-request: bpf 2024-03-25 The following pull-request contains BPF updates for your *net* tree. We've added 17 non-merge commits during the last 12 day(s) which contain a total of 19 files changed, 184 insertions(+), 61 deletions(-). The main changes are: 1) Fix an arm64 BPF JIT bug in BPF_LDX_MEMSX implementation's offset handling found via test_bpf module, from Puranjay Mohan. 2) Various fixups to the BPF arena code in particular in the BPF verifier and around BPF selftests to match latest corresponding LLVM implementation, from Puranjay Mohan and Alexei Starovoitov. 3) Fix xsk to not assume that metadata is always requested in TX completion, from Stanislav Fomichev. 4) Fix riscv BPF JIT's kfunc parameter incompatibility between BPF and the riscv ABI which requires sign-extension on int/uint, from Pu Lehui. 5) Fix s390x BPF JIT's bpf_plt pointer arithmetic which triggered a crash when testing struct_ops, from Ilya Leoshkevich. 6) Fix libbpf's arena mmap handling which had incorrect u64-to-pointer cast on 32-bit architectures, from Andrii Nakryiko. 7) Fix libbpf to define MFD_CLOEXEC when not available, from Arnaldo Carvalho de Melo. 8) Fix arm64 BPF JIT implementation for 32bit unconditional bswap which resulted in an incorrect swap as indicated by test_bpf, from Artem Savkov. 9) Fix BPF man page build script to use silent mode, from Hangbin Liu. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: riscv, bpf: Fix kfunc parameters incompatibility between bpf and riscv abi bpf: verifier: reject addr_space_cast insn without arena selftests/bpf: verifier_arena: fix mmap address for arm64 bpf: verifier: fix addr_space_cast from as(1) to as(0) libbpf: Define MFD_CLOEXEC if not available arm64: bpf: fix 32bit unconditional bswap bpf, arm64: fix bug in BPF_LDX_MEMSX libbpf: fix u64-to-pointer cast on 32-bit arches s390/bpf: Fix bpf_plt pointer arithmetic xsk: Don't assume metadata is always requested in TX completion selftests/bpf: Add arena test case for 4Gbyte corner case selftests/bpf: Remove hard coded PAGE_SIZE macro. libbpf, selftests/bpf: Adjust libbpf, bpftool, selftests to match LLVM bpf: Clarify bpf_arena comments. MAINTAINERS: Update email address for Quentin Monnet scripts/bpf_doc: Use silent mode when exec make cmd bpf: Temporarily disable atomic operations in BPF arena ==================== Link: https://lore.kernel.org/r/20240325213520.26688-1-daniel@iogearbox.net Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
||
Ido Schimmel
|
f1425529c3 |
selftests: vxlan_mdb: Fix failures with old libnet
Locally generated IP multicast packets (such as the ones used in the test) do not perform routing and simply egress the bound device. However, as explained in commit |
||
Johannes Berg
|
dbde9fd49a |
kunit: fix wireless test dependencies
For the wireless tests, CONFIG_WLAN and CONFIG_NETDEVICES are
needed, though seem to be available by default on ARCH=um, so
we didn't notice this before. Add them to fix kunit running
on other architectures.
Fixes:
|
||
Puranjay Mohan
|
fa3550dca8 |
selftests/bpf: verifier_arena: fix mmap address for arm64
The arena_list selftest uses (1ull << 32) in the mmap address computation for arm64. Use the same in the verifier_arena selftest. This makes the selftest pass for arm64 on the CI[1]. [1] https://github.com/kernel-patches/bpf/pull/6622 Signed-off-by: Puranjay Mohan <puranjay12@gmail.com> Link: https://lore.kernel.org/r/20240322133552.70681-1-puranjay12@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
||
Linus Torvalds
|
c150b809f7 |
RISC-V Patches for the 6.9 Merge Window
* Support for various vector-accelerated crypto routines. * Hibernation is now enabled for portable kernel builds. * mmap_rnd_bits_max is larger on systems with larger VAs. * Support for fast GUP. * Support for membarrier-based instruction cache synchronization. * Support for the Andes hart-level interrupt controller and PMU. * Some cleanups around unaligned access speed probing and Kconfig settings. * Support for ACPI LPI and CPPC. * Various cleanus related to barriers. * A handful of fixes. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAmX9icgTHHBhbG1lckBk YWJiZWx0LmNvbQAKCRAuExnzX7sYib+UD/4xyL6UMixx6A06BVBL9UT4vOrxRvNr JIihG5y5QNMjes9DHWL35mZTMqFtQ0tq94ViWFLmJWloV/8KRVM2C9R9KX7vplf3 M/OwvP106spxgvNHoeQbycgs42RU1t2mpqT7N1iK2hCjqieP3vLn6hsSLXWTAG0L 3gQbQw6XCLC3hPyLq+nbFY2i4faeCmpXWmixoy/IvQ5calZQrRU0LNlP6lcMBhVo uocjG0uGAhrahw2s81jxcMZcxa3AvUCiplapdD5H5v9rBM85SkYJj2Q9SqdSorkb xzuimRnKPI5s47yM3pTfZY0qnQUYHV7PXXuw4WujpCQVQdhaG+Ggq63UUZA61J9t IzZK2zdcfHqICrGTtXImUzRT3dcc3oq+IFq4tTY+rEJm29hrXkAtx+qBm5xtMvax fJz5feJ/iT0u7MDj4Oq24n+Kpl+Olm+MJaZX3m5Ovi/9V6a9iK9HXqxg9/Fs0fMO +J/0kTgd8Vu9CYH7KNWz3uztcO9eMAH3VyzuXuab4BGj1i1Y/9EjpALQi7rDN73S OsYQX6NnzMkBV4dvElJVLXiPlvNlMHZZwdak5CqPb48jaJu6iiIZAuvOrG6/naGP wnQSLVA2WWWoOkl3AJhxfpa11CLhbMl9E2gYm1VtNvASXoSFIxlAq1Yv3sG8yjty 4ZT0rYFJOstYiQ== =3dL5 -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-6.9-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V updates from Palmer Dabbelt: - Support for various vector-accelerated crypto routines - Hibernation is now enabled for portable kernel builds - mmap_rnd_bits_max is larger on systems with larger VAs - Support for fast GUP - Support for membarrier-based instruction cache synchronization - Support for the Andes hart-level interrupt controller and PMU - Some cleanups around unaligned access speed probing and Kconfig settings - Support for ACPI LPI and CPPC - Various cleanus related to barriers - A handful of fixes * tag 'riscv-for-linus-6.9-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (66 commits) riscv: Fix syscall wrapper for >word-size arguments crypto: riscv - add vector crypto accelerated AES-CBC-CTS crypto: riscv - parallelize AES-CBC decryption riscv: Only flush the mm icache when setting an exec pte riscv: Use kcalloc() instead of kzalloc() riscv/barrier: Add missing space after ',' riscv/barrier: Consolidate fence definitions riscv/barrier: Define RISCV_FULL_BARRIER riscv/barrier: Define __{mb,rmb,wmb} RISC-V: defconfig: Enable CONFIG_ACPI_CPPC_CPUFREQ cpufreq: Move CPPC configs to common Kconfig and add RISC-V ACPI: RISC-V: Add CPPC driver ACPI: Enable ACPI_PROCESSOR for RISC-V ACPI: RISC-V: Add LPI driver cpuidle: RISC-V: Move few functions to arch/riscv riscv: Introduce set_compat_task() in asm/compat.h riscv: Introduce is_compat_thread() into compat.h riscv: add compile-time test into is_compat_task() riscv: Replace direct thread flag check with is_compat_task() riscv: Improve arch_get_mmap_end() macro ... |
||
Linus Torvalds
|
cba9ffdb99 |
Including fixes from CAN, netfilter, wireguard and IPsec.
Current release - regressions: - rxrpc: fix use of page_frag_alloc_align(), it changed semantics and we added a new caller in a different subtree - xfrm: allow UDP encapsulation only in offload modes Current release - new code bugs: - tcp: fix refcnt handling in __inet_hash_connect() - Revert "net: Re-use and set mono_delivery_time bit for userspace tstamp packets", conflicted with some expectations in BPF uAPI Previous releases - regressions: - ipv4: raw: fix sending packets from raw sockets via IPsec tunnels - devlink: fix devlink's parallel command processing - veth: do not manipulate GRO when using XDP - esp: fix bad handling of pages from page_pool Previous releases - always broken: - report RCU QS for busy network kthreads (with Paul McK's blessing) - tcp/rds: fix use-after-free on netns with kernel TCP reqsk - virt: vmxnet3: fix missing reserved tailroom with XDP Misc: - couple of build fixes for Documentation Signed-off-by: Jakub Kicinski <kuba@kernel.org> -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE6jPA+I1ugmIBA4hXMUZtbf5SIrsFAmX8bXsACgkQMUZtbf5S IrsfBg/+KzrEx0tB/Af57ZZGZ5PMjPy+XFDox4iFfHm338UFuGXVvZrXd7G+6YkH ZwWeF5YDPKzwIEiZ5D3hewZPlkLH0Eg88q74chlE0gUv7t1jhuQHUdIVeFnPcLbN t/8AcCZCJ2fENbr1iNnzZON1RW0fVOl+SDxhiSYFeFqii6FywDfqWL/h0u86H/AF KRktgb0LzH0waH6IiefVV1NZyjnZwmQ6+UVQerTzUnQmWhV1xQKoO3MQpZuFRvr6 O+kPZMkrqnTCCy7RO1BexS5cefqc80i5Z25FLGcaHgpnYd2pDNDMMxqrhqO9Y0Pv 6u/tLgRxzVUDXWouzREIRe50Z9GJswkg78zilAhpqYiHRjd8jaBH6y+9mhGFc7F8 iVAx02WfJhlk0aynFf2qZmR7PQIb9XjtFJ7OAeJrno9UD7zAubtikGM/6m6IZfRV TD1mze95RVnNjbHZMeg6oNLFUMJXVTobtvtqk5pTQvsNsmSYGFvkvWC5/P6ycyYt pMx6E0PA/ZCnQAlThCOCzFa5BO+It3RJHcQJhgbOzHrlWKwmrjBKcKJcLLcxFSUt 4wwjdEcG1Bo2wdnsjwsQwJDHQW+M9TSLdLM3YVptM9jbqOMizoqr6/xSykg3H4wZ t/dSiYSsEr06z7lvwbAjUXJ/mfszZ+JsVAFXAN7ahcM4OZb5WTQ= =gpLl -----END PGP SIGNATURE----- Merge tag 'net-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from CAN, netfilter, wireguard and IPsec. I'd like to highlight [ lowlight? - Linus ] Florian W stepping down as a netfilter maintainer due to constant stream of bug reports. Not sure what we can do but IIUC this is not the first such case. Current release - regressions: - rxrpc: fix use of page_frag_alloc_align(), it changed semantics and we added a new caller in a different subtree - xfrm: allow UDP encapsulation only in offload modes Current release - new code bugs: - tcp: fix refcnt handling in __inet_hash_connect() - Revert "net: Re-use and set mono_delivery_time bit for userspace tstamp packets", conflicted with some expectations in BPF uAPI Previous releases - regressions: - ipv4: raw: fix sending packets from raw sockets via IPsec tunnels - devlink: fix devlink's parallel command processing - veth: do not manipulate GRO when using XDP - esp: fix bad handling of pages from page_pool Previous releases - always broken: - report RCU QS for busy network kthreads (with Paul McK's blessing) - tcp/rds: fix use-after-free on netns with kernel TCP reqsk - virt: vmxnet3: fix missing reserved tailroom with XDP Misc: - couple of build fixes for Documentation" * tag 'net-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (59 commits) selftests: forwarding: Fix ping failure due to short timeout MAINTAINERS: step down as netfilter maintainer netfilter: nf_tables: Fix a memory leak in nf_tables_updchain net: dsa: mt7530: fix handling of all link-local frames net: dsa: mt7530: fix link-local frames that ingress vlan filtering ports bpf: report RCU QS in cpumap kthread net: report RCU QS on threaded NAPI repolling rcu: add a helper to report consolidated flavor QS ionic: update documentation for XDP support lib/bitmap: Fix bitmap_scatter() and bitmap_gather() kernel doc netfilter: nf_tables: do not compare internal table flags on updates netfilter: nft_set_pipapo: release elements in clone only from destroy path octeontx2-af: Use separate handlers for interrupts octeontx2-pf: Send UP messages to VF only when VF is up. octeontx2-pf: Use default max_active works instead of one octeontx2-pf: Wait till detach_resources msg is complete octeontx2: Detect the mbox up or down message via register devlink: fix port new reply cmd type tcp: Clear req->syncookie in reqsk_alloc(). net/bnx2x: Prevent access to a freed page in page_pool ... |
||
Linus Torvalds
|
e09bf86f3d |
USB/Thunderbolt changes for 6.9-rc1
Here is the big set of USB and Thunderbolt changes for 6.9-rc1. Lots of tiny changes and forward progress to support new hardware and better support for existing devices. Included in here are: - Thunderbolt (i.e. USB4) updates for newer hardware and uses as more people start to use the hardware - default USB authentication mode Kconfig and documentation update to make it more obvious what is going on - USB typec updates and enhancements - usual dwc3 driver updates - usual xhci driver updates - function USB (i.e. gadget) driver updates and additions - new device ids for lots of drivers - loads of other small updates, full details in the shortlog All of these, including a "last minute regression fix" have been in linux-next with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCZfwpzA8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ymS9QCdEuF6KJFLOrDrGS4NbZNSUPIVF6oAn350r4NX CMZah37Dfr1VDCOOV4gQ =HACL -----END PGP SIGNATURE----- Merge tag 'usb-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB / Thunderbolt updates from Greg KH: "Here is the big set of USB and Thunderbolt changes for 6.9-rc1. Lots of tiny changes and forward progress to support new hardware and better support for existing devices. Included in here are: - Thunderbolt (i.e. USB4) updates for newer hardware and uses as more people start to use the hardware - default USB authentication mode Kconfig and documentation update to make it more obvious what is going on - USB typec updates and enhancements - usual dwc3 driver updates - usual xhci driver updates - function USB (i.e. gadget) driver updates and additions - new device ids for lots of drivers - loads of other small updates, full details in the shortlog All of these, including a "last minute regression fix" have been in linux-next with no reported issues" * tag 'usb-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (185 commits) usb: usb-acpi: Fix oops due to freeing uninitialized pld pointer usb: gadget: net2272: Use irqflags in the call to net2272_probe_fin usb: gadget: tegra-xudc: Fix USB3 PHY retrieval logic phy: tegra: xusb: Add API to retrieve the port number of phy USB: gadget: pxa27x_udc: Remove unused of_gpio.h usb: gadget/snps_udc_plat: Remove unused of_gpio.h usb: ohci-pxa27x: Remove unused of_gpio.h usb: sl811-hcd: only defined function checkdone if QUIRK2 is defined usb: Clarify expected behavior of dev_bin_attrs_are_visible() xhci: Allow RPM on the USB controller (1022:43f7) by default usb: isp1760: remove SLAB_MEM_SPREAD flag usage usb: misc: onboard_hub: use pointer consistently in the probe function usb: gadget: fsl: Increase size of name buffer for endpoints usb: gadget: fsl: Add of device table to enable module autoloading usb: typec: tcpm: add support to set tcpc connector orientatition usb: typec: tcpci: add generic tcpci fallback compatible dt-bindings: usb: typec-tcpci: add tcpci fallback binding usb: gadget: fsl-udc: Replace custom log wrappers by dev_{err,warn,dbg,vdbg} usb: core: Set connect_type of ports based on DT node dt-bindings: usb: Add downstream facing ports to realtek binding ... |
||
Ido Schimmel
|
e4137851d4 |
selftests: forwarding: Fix ping failure due to short timeout
The tests send 100 pings in 0.1 second intervals and force a timeout of 11 seconds, which is borderline (especially on debug kernels), resulting in random failures in netdev CI [1]. Fix by increasing the timeout to 20 seconds. It should not prolong the test unless something is wrong, in which case the test will rightfully fail. [1] # selftests: net/forwarding: vxlan_bridge_1d_port_8472_ipv6.sh # INFO: Running tests with UDP port 8472 # TEST: ping: local->local [ OK ] # TEST: ping: local->remote 1 [FAIL] # Ping failed [...] Fixes: |
||
Jason A. Donenfeld
|
e995f5dd9a |
wireguard: selftests: set RISCV_ISA_FALLBACK on riscv{32,64}
This option is needed to continue booting with QEMU. Recent changes that
made this optional meant that it gets unset in the test harness, and so
WireGuard CI has been broken. Fix this by simply setting this option.
Cc: stable@vger.kernel.org
Fixes:
|
||
Linus Torvalds
|
65b64246f2 |
ktest updates for v6.9:
- Allow variables to contain variables. This makes the shell commands have a bit more flexibility to reuse existing variables. - Have make_warnings_file in build-only mode require limited variables The make_warnings_file test will create a file with all existing warnings (which can be used to compare against in builds with new commits). Add it to the build-only list that doesn't require other variables (like how to reset a machine), as the make_warnings_file makes the most sense on build only tests. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCZfhlQRQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qoLnAP0XUeKMKV9JN1ayPUdQoN0stsseVLmt W+O0lowXVj3JWwD/d8mTVFVQHJ7zcmJQ3LJ/+daUmULjYX8daWGmVWYSyAg= =PMaK -----END PGP SIGNATURE----- Merge tag 'ktest-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest Pull ktest updates from Steven Rostedt: - Allow variables to contain variables. This makes the shell commands have a bit more flexibility to reuse existing variables. - Have make_warnings_file in build-only mode require limited variables The make_warnings_file test will create a file with all existing warnings (which can be used to compare against in builds with new commits). Add it to the build-only list that doesn't require other variables (like how to reset a machine), as the make_warnings_file makes the most sense on build only tests. * tag 'ktest-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest: ktest: force $buildonly = 1 for 'make_warnings_file' test type ktest.pl: Process variables within variables |
||
Linus Torvalds
|
ad584d73a2 |
Tracing updates for 6.9:
Main user visible change: - User events can now have "multi formats" The current user events have a single format. If another event is created with a different format, it will fail to be created. That is, once an event name is used, it cannot be used again with a different format. This can cause issues if a library is using an event and updates its format. An application using the older format will prevent an application using the new library from registering its event. A task could also DOS another application if it knows the event names, and it creates events with different formats. The multi-format event is in a different name space from the single format. Both the event name and its format are the unique identifier. This will allow two different applications to use the same user event name but with different payloads. - Added support to have ftrace_dump_on_oops dump out instances and not just the main top level tracing buffer. Other changes: - Add eventfs_root_inode Only the root inode has a dentry that is static (never goes away) and stores it upon creation. There's no reason that the thousands of other eventfs inodes should have a pointer that never gets set in its descriptor. Create a eventfs_root_inode desciptor that has a eventfs_inode descriptor and a dentry pointer, and only the root inode will use this. - Added WARN_ON()s in eventfs There's some conditionals remaining in eventfs that should never be hit, but instead of removing them, add WARN_ON() around them to make sure that they are never hit. - Have saved_cmdlines allocation also include the map_cmdline_to_pid array The saved_cmdlines structure allocates a large amount of data to hold its mappings. Within it, it has three arrays. Two are already apart of it: map_pid_to_cmdline[] and saved_cmdlines[]. More memory can be saved by also including the map_cmdline_to_pid[] array as well. - Restructure __string() and __assign_str() macros used in TRACE_EVENT(). Dynamic strings in TRACE_EVENT() are declared with: __string(name, source) And assigned with: __assign_str(name, source) In the tracepoint callback of the event, the __string() is used to get the size needed to allocate on the ring buffer and __assign_str() is used to copy the string into the ring buffer. There's a helper structure that is created in the TRACE_EVENT() macro logic that will hold the string length and its position in the ring buffer which is created by __string(). There are several trace events that have a function to create the string to save. This function is executed twice. Once for __string() and again for __assign_str(). There's no reason for this. The helper structure could also save the string it used in __string() and simply copy that into __assign_str() (it also already has its length). By using the structure to store the source string for the assignment, it means that the second argument to __assign_str() is no longer needed. It will be removed in the next merge window, but for now add a warning if the source string given to __string() is different than the source string given to __assign_str(), as the source to __assign_str() isn't even used and will be going away. - Added checks to make sure that the source of __string() is also the source of __assign_str() so that it can be safely removed in the next merge window. Included fixes that the above check found. - Other minor clean ups and fixes -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCZfhbUBQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qrhJAP9bfnYO7tfNGZVNPmTT7Fz0z4zCU1Pb P8M+24yiFTeFWwD/aIPlMFZONVkTdFAlLdffl6kJOKxZ7vW4XzUjfNWb6wo= =z/D6 -----END PGP SIGNATURE----- Merge tag 'trace-v6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing updates from Steven Rostedt: "Main user visible change: - User events can now have "multi formats" The current user events have a single format. If another event is created with a different format, it will fail to be created. That is, once an event name is used, it cannot be used again with a different format. This can cause issues if a library is using an event and updates its format. An application using the older format will prevent an application using the new library from registering its event. A task could also DOS another application if it knows the event names, and it creates events with different formats. The multi-format event is in a different name space from the single format. Both the event name and its format are the unique identifier. This will allow two different applications to use the same user event name but with different payloads. - Added support to have ftrace_dump_on_oops dump out instances and not just the main top level tracing buffer. Other changes: - Add eventfs_root_inode Only the root inode has a dentry that is static (never goes away) and stores it upon creation. There's no reason that the thousands of other eventfs inodes should have a pointer that never gets set in its descriptor. Create a eventfs_root_inode desciptor that has a eventfs_inode descriptor and a dentry pointer, and only the root inode will use this. - Added WARN_ON()s in eventfs There's some conditionals remaining in eventfs that should never be hit, but instead of removing them, add WARN_ON() around them to make sure that they are never hit. - Have saved_cmdlines allocation also include the map_cmdline_to_pid array The saved_cmdlines structure allocates a large amount of data to hold its mappings. Within it, it has three arrays. Two are already apart of it: map_pid_to_cmdline[] and saved_cmdlines[]. More memory can be saved by also including the map_cmdline_to_pid[] array as well. - Restructure __string() and __assign_str() macros used in TRACE_EVENT() Dynamic strings in TRACE_EVENT() are declared with: __string(name, source) And assigned with: __assign_str(name, source) In the tracepoint callback of the event, the __string() is used to get the size needed to allocate on the ring buffer and __assign_str() is used to copy the string into the ring buffer. There's a helper structure that is created in the TRACE_EVENT() macro logic that will hold the string length and its position in the ring buffer which is created by __string(). There are several trace events that have a function to create the string to save. This function is executed twice. Once for __string() and again for __assign_str(). There's no reason for this. The helper structure could also save the string it used in __string() and simply copy that into __assign_str() (it also already has its length). By using the structure to store the source string for the assignment, it means that the second argument to __assign_str() is no longer needed. It will be removed in the next merge window, but for now add a warning if the source string given to __string() is different than the source string given to __assign_str(), as the source to __assign_str() isn't even used and will be going away. - Added checks to make sure that the source of __string() is also the source of __assign_str() so that it can be safely removed in the next merge window. Included fixes that the above check found. - Other minor clean ups and fixes" * tag 'trace-v6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (34 commits) tracing: Add __string_src() helper to help compilers not to get confused tracing: Use strcmp() in __assign_str() WARN_ON() check tracepoints: Use WARN() and not WARN_ON() for warnings tracing: Use div64_u64() instead of do_div() tracing: Support to dump instance traces by ftrace_dump_on_oops tracing: Remove second parameter to __assign_rel_str() tracing: Add warning if string in __assign_str() does not match __string() tracing: Add __string_len() example tracing: Remove __assign_str_len() ftrace: Fix most kernel-doc warnings tracing: Decrement the snapshot if the snapshot trigger fails to register tracing: Fix snapshot counter going between two tracers that use it tracing: Use EVENT_NULL_STR macro instead of open coding "(null)" tracing: Use ? : shortcut in trace macros tracing: Do not calculate strlen() twice for __string() fields tracing: Rework __assign_str() and __string() to not duplicate getting the string cxl/trace: Properly initialize cxl_poison region name net: hns3: tracing: fix hclgevf trace event strings drm/i915: Add missing ; to __assign_str() macros in tracepoint code NFSD: Fix nfsd_clid_class use of __string_len() macro ... |
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Kees Cook
|
472874cf7b |
selftests/exec: Convert remaining /bin/sh to /bin/bash
As was intended with commit |
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Kees Cook
|
0ef58ccb61 |
selftests/exec: execveat: Improve debug reporting
Children processes were reporting their status, duplicating the parent's. Remove that, and add some additional details about the test execution. Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Link: https://lore.kernel.org/r/20240313185606.work.073-kees@kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> |
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Beau Belgrave
|
bcb7bdcc17 |
selftests/user_events: Test multi-format events
User_events now has multi-format events which allow for the same register name, but with different formats. When this occurs, different tracepoints are created with unique names. Add a new test that ensures the same name can be used for two different formats. Ensure they are isolated from each other and that name and arg matching still works if yet another register comes in with the same format as one of the two. Link: https://lore.kernel.org/linux-trace-kernel/20240222001807.1463-4-beaub@linux.microsoft.com Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> |
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Ignat Korchagin
|
ba5a6476e3 |
selftests: net: veth: test the ability to independently manipulate GRO and XDP
We should be able to independently flip either XDP or GRO states and toggling one should not affect the other. Adjust other tests as well that had implicit expectation that GRO would be automatically enabled. Signed-off-by: Ignat Korchagin <ignat@cloudflare.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linus Torvalds
|
66a27abac3 |
powerpc updates for 6.9
- Add AT_HWCAP3 and AT_HWCAP4 aux vector entries for future use by glibc. - Add support for recognising the Power11 architected and raw PVRs. - Add support for nr_cpus=n on the command line where the boot CPU is >= n. - Add ppcxx_allmodconfig targets for all 32-bit sub-arches. - Other small features, cleanups and fixes. Thanks to: Akanksha J N, Brian King, Christophe Leroy, Dawei Li, Geoff Levand, Greg Kroah-Hartman, Jan-Benedict Glaw, Kajol Jain, Kunwu Chan, Li zeming, Madhavan Srinivasan, Masahiro Yamada, Nathan Chancellor, Nicholas Piggin, Peter Bergner, Qiheng Lin, Randy Dunlap, Ricardo B. Marliere, Rob Herring, Sathvika Vasireddy, Shrikanth Hegde, Uwe Kleine-König, Vaibhav Jain, Wen Xiong. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEJFGtCPCthwEv2Y/bUevqPMjhpYAFAmX01vgTHG1wZUBlbGxl cm1hbi5pZC5hdQAKCRBR6+o8yOGlgJ4bEACVsxXXjbjl+WKgWNjHsM7sVwUX/sSV z43iVycLPXDqochSkkgKjyIEFowaWhjgWVHFHmUXWxB5FjjFEEoH4FPo3VB0IY48 VoSFT6PhzqXDrGmt2fWsJ+k6zUyJZa8pNS38DHg1yuuYDAa0KWxd3E/x/r0qzsbr vcas1uWcDWgjoUDMBuJpyx0sYTl6+mR9HlZuM4+aNQdzhTFU/jK69hAN0RFvryes K2/fLgI0fgLZpQDogCn4HV1/4uixi1eEFlVNXkwvMYDpQVo2FqiBaWLF0hNLWNCk kvm/fYIJhdFoNlp38jVKv0KJnBhW7aAs3prF+8B3YL2B23rLnvA6ZLZKHcdBAeLb 8PJMRrbAbmVxOnVSAG0fgU+0dEdkJQ+0ABqa+usMOV7xIPg9uIui1YrKT1KVq6Fs KyGHM5EQuBC/P6bTsKO6X+1beY2QIfwWxaIkoo8pj6d0WU69qU4u+LzQiDO4XR0L UQQguB1Qo8yaip3rHXhuv0hlnMNVAVye56Zw63uq1MWGkewRKSkY91Ms02L+pXpF r6+96xoFB0ulKZFnyxyBdkj2iC0426fHtTiiJFfQ4R1fiibPKtAx9P59WYnqymVh QsSYqlgC2/jWzRgqJTweLp/XQK8fWqmFkNmCGDN1N9Sij9Xjx/8aZb5dvwJkSBnK rZ4ObxBoaCPbPA== =K9Ok -----END PGP SIGNATURE----- Merge tag 'powerpc-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: - Add AT_HWCAP3 and AT_HWCAP4 aux vector entries for future use by glibc - Add support for recognising the Power11 architected and raw PVRs - Add support for nr_cpus=n on the command line where the boot CPU is >= n - Add ppcxx_allmodconfig targets for all 32-bit sub-arches - Other small features, cleanups and fixes Thanks to Akanksha J N, Brian King, Christophe Leroy, Dawei Li, Geoff Levand, Greg Kroah-Hartman, Jan-Benedict Glaw, Kajol Jain, Kunwu Chan, Li zeming, Madhavan Srinivasan, Masahiro Yamada, Nathan Chancellor, Nicholas Piggin, Peter Bergner, Qiheng Lin, Randy Dunlap, Ricardo B. Marliere, Rob Herring, Sathvika Vasireddy, Shrikanth Hegde, Uwe Kleine-König, Vaibhav Jain, and Wen Xiong. * tag 'powerpc-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (71 commits) powerpc/macio: Make remove callback of macio driver void returned powerpc/83xx: Fix build failure with FPU=n powerpc/64s: Fix get_hugepd_cache_index() build failure powerpc/4xx: Fix warp_gpio_leds build failure powerpc/amigaone: Make several functions static powerpc/embedded6xx: Fix no previous prototype for avr_uart_send() etc. macintosh/adb: make adb_dev_class constant powerpc: xor_vmx: Add '-mhard-float' to CFLAGS powerpc/fsl: Fix mfpmr() asm constraint error powerpc: Remove cpu-as-y completely powerpc/fsl: Modernise mt/mfpmr powerpc/fsl: Fix mfpmr build errors with newer binutils powerpc/64s: Use .machine power4 around dcbt powerpc/64s: Move dcbt/dcbtst sequence into a macro powerpc/mm: Code cleanup for __hash_page_thp powerpc/hv-gpci: Fix the H_GET_PERF_COUNTER_INFO hcall return value checks powerpc/irq: Allow softirq to hardirq stack transition powerpc: Stop using of_root powerpc/machdep: Define 'compatibles' property in ppc_md and use it of: Reimplement of_machine_is_compatible() using of_machine_compatible_match() ... |
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Alexei Starovoitov
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a90c5845db |
selftests/bpf: Add arena test case for 4Gbyte corner case
Check that 4Gbyte arena can be allocated and overflow/underflow access in the first and the last page behaves as expected. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.org/bpf/20240315021834.62988-5-alexei.starovoitov@gmail.com |
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Alexei Starovoitov
|
9a2d5a966b |
selftests/bpf: Remove hard coded PAGE_SIZE macro.
Remove hard coded PAGE_SIZE. Add #include <sys/user.h> instead (that works on x86-64 and s390) and fallback to slow getpagesize() for aarch64. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.org/bpf/20240315021834.62988-4-alexei.starovoitov@gmail.com |
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Alexei Starovoitov
|
10ebe835c9 |
libbpf, selftests/bpf: Adjust libbpf, bpftool, selftests to match LLVM
The selftests use to tell LLVM about special pointers. For LLVM there is nothing "arena" about them. They are simply pointers in a different address space. Hence LLVM diff https://github.com/llvm/llvm-project/pull/85161 renamed: . macro __BPF_FEATURE_ARENA_CAST -> __BPF_FEATURE_ADDR_SPACE_CAST . global variables in __attribute__((address_space(N))) are now placed in section named ".addr_space.N" instead of ".arena.N". Adjust libbpf, bpftool, and selftests to match LLVM. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.org/bpf/20240315021834.62988-3-alexei.starovoitov@gmail.com |
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Linus Torvalds
|
4f712ee0cb |
S390:
* Changes to FPU handling came in via the main s390 pull request * Only deliver to the guest the SCLP events that userspace has requested. * More virtual vs physical address fixes (only a cleanup since virtual and physical address spaces are currently the same). * Fix selftests undefined behavior. x86: * Fix a restriction that the guest can't program a PMU event whose encoding matches an architectural event that isn't included in the guest CPUID. The enumeration of an architectural event only says that if a CPU supports an architectural event, then the event can be programmed *using the architectural encoding*. The enumeration does NOT say anything about the encoding when the CPU doesn't report support the event *in general*. It might support it, and it might support it using the same encoding that made it into the architectural PMU spec. * Fix a variety of bugs in KVM's emulation of RDPMC (more details on individual commits) and add a selftest to verify KVM correctly emulates RDMPC, counter availability, and a variety of other PMC-related behaviors that depend on guest CPUID and therefore are easier to validate with selftests than with custom guests (aka kvm-unit-tests). * Zero out PMU state on AMD if the virtual PMU is disabled, it does not cause any bug but it wastes time in various cases where KVM would check if a PMC event needs to be synthesized. * Optimize triggering of emulated events, with a nice ~10% performance improvement in VM-Exit microbenchmarks when a vPMU is exposed to the guest. * Tighten the check for "PMI in guest" to reduce false positives if an NMI arrives in the host while KVM is handling an IRQ VM-Exit. * Fix a bug where KVM would report stale/bogus exit qualification information when exiting to userspace with an internal error exit code. * Add a VMX flag in /proc/cpuinfo to report 5-level EPT support. * Rework TDP MMU root unload, free, and alloc to run with mmu_lock held for read, e.g. to avoid serializing vCPUs when userspace deletes a memslot. * Tear down TDP MMU page tables at 4KiB granularity (used to be 1GiB). KVM doesn't support yielding in the middle of processing a zap, and 1GiB granularity resulted in multi-millisecond lags that are quite impolite for CONFIG_PREEMPT kernels. * Allocate write-tracking metadata on-demand to avoid the memory overhead when a kernel is built with i915 virtualization support but the workloads use neither shadow paging nor i915 virtualization. * Explicitly initialize a variety of on-stack variables in the emulator that triggered KMSAN false positives. * Fix the debugregs ABI for 32-bit KVM. * Rework the "force immediate exit" code so that vendor code ultimately decides how and when to force the exit, which allowed some optimization for both Intel and AMD. * Fix a long-standing bug where kvm_has_noapic_vcpu could be left elevated if vCPU creation ultimately failed, causing extra unnecessary work. * Cleanup the logic for checking if the currently loaded vCPU is in-kernel. * Harden against underflowing the active mmu_notifier invalidation count, so that "bad" invalidations (usually due to bugs elsehwere in the kernel) are detected earlier and are less likely to hang the kernel. x86 Xen emulation: * Overlay pages can now be cached based on host virtual address, instead of guest physical addresses. This removes the need to reconfigure and invalidate the cache if the guest changes the gpa but the underlying host virtual address remains the same. * When possible, use a single host TSC value when computing the deadline for Xen timers in order to improve the accuracy of the timer emulation. * Inject pending upcall events when the vCPU software-enables its APIC to fix a bug where an upcall can be lost (and to follow Xen's behavior). * Fall back to the slow path instead of warning if "fast" IRQ delivery of Xen events fails, e.g. if the guest has aliased xAPIC IDs. RISC-V: * Support exception and interrupt handling in selftests * New self test for RISC-V architectural timer (Sstc extension) * New extension support (Ztso, Zacas) * Support userspace emulation of random number seed CSRs. ARM: * Infrastructure for building KVM's trap configuration based on the architectural features (or lack thereof) advertised in the VM's ID registers * Support for mapping vfio-pci BARs as Normal-NC (vaguely similar to x86's WC) at stage-2, improving the performance of interacting with assigned devices that can tolerate it * Conversion of KVM's representation of LPIs to an xarray, utilized to address serialization some of the serialization on the LPI injection path * Support for _architectural_ VHE-only systems, advertised through the absence of FEAT_E2H0 in the CPU's ID register * Miscellaneous cleanups, fixes, and spelling corrections to KVM and selftests LoongArch: * Set reserved bits as zero in CPUCFG. * Start SW timer only when vcpu is blocking. * Do not restart SW timer when it is expired. * Remove unnecessary CSR register saving during enter guest. * Misc cleanups and fixes as usual. Generic: * cleanup Kconfig by removing CONFIG_HAVE_KVM, which was basically always true on all architectures except MIPS (where Kconfig determines the available depending on CPU capabilities). It is replaced either by an architecture-dependent symbol for MIPS, and IS_ENABLED(CONFIG_KVM) everywhere else. * Factor common "select" statements in common code instead of requiring each architecture to specify it * Remove thoroughly obsolete APIs from the uapi headers. * Move architecture-dependent stuff to uapi/asm/kvm.h * Always flush the async page fault workqueue when a work item is being removed, especially during vCPU destruction, to ensure that there are no workers running in KVM code when all references to KVM-the-module are gone, i.e. to prevent a very unlikely use-after-free if kvm.ko is unloaded. * Grab a reference to the VM's mm_struct in the async #PF worker itself instead of gifting the worker a reference, so that there's no need to remember to *conditionally* clean up after the worker. Selftests: * Reduce boilerplate especially when utilize selftest TAP infrastructure. * Add basic smoke tests for SEV and SEV-ES, along with a pile of library support for handling private/encrypted/protected memory. * Fix benign bugs where tests neglect to close() guest_memfd files. -----BEGIN PGP SIGNATURE----- iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmX0iP8UHHBib256aW5p QHJlZGhhdC5jb20ACgkQv/vSX3jHroND7wf+JZoNvwZ+bmwWe/4jn/YwNoYi/C5z eypn8M1gsWEccpCpqPBwznVm9T29rF4uOlcMvqLEkHfTpaL1EKUUjP1lXPz/ileP 6a2RdOGxAhyTiFC9fjy+wkkjtLbn1kZf6YsS0hjphP9+w0chNbdn0w81dFVnXryd j7XYI8R/bFAthNsJOuZXSEjCfIHxvTTG74OrTf1B1FEBB+arPmrgUeJftMVhffQK Sowgg8L/Ii/x6fgV5NZQVSIyVf1rp8z7c6UaHT4Fwb0+RAMW8p9pYv9Qp1YkKp8y 5j0V9UzOHP7FRaYimZ5BtwQoqiZXYylQ+VuU/Y2f4X85cvlLzSqxaEMAPA== =mqOV -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull kvm updates from Paolo Bonzini: "S390: - Changes to FPU handling came in via the main s390 pull request - Only deliver to the guest the SCLP events that userspace has requested - More virtual vs physical address fixes (only a cleanup since virtual and physical address spaces are currently the same) - Fix selftests undefined behavior x86: - Fix a restriction that the guest can't program a PMU event whose encoding matches an architectural event that isn't included in the guest CPUID. The enumeration of an architectural event only says that if a CPU supports an architectural event, then the event can be programmed *using the architectural encoding*. The enumeration does NOT say anything about the encoding when the CPU doesn't report support the event *in general*. It might support it, and it might support it using the same encoding that made it into the architectural PMU spec - Fix a variety of bugs in KVM's emulation of RDPMC (more details on individual commits) and add a selftest to verify KVM correctly emulates RDMPC, counter availability, and a variety of other PMC-related behaviors that depend on guest CPUID and therefore are easier to validate with selftests than with custom guests (aka kvm-unit-tests) - Zero out PMU state on AMD if the virtual PMU is disabled, it does not cause any bug but it wastes time in various cases where KVM would check if a PMC event needs to be synthesized - Optimize triggering of emulated events, with a nice ~10% performance improvement in VM-Exit microbenchmarks when a vPMU is exposed to the guest - Tighten the check for "PMI in guest" to reduce false positives if an NMI arrives in the host while KVM is handling an IRQ VM-Exit - Fix a bug where KVM would report stale/bogus exit qualification information when exiting to userspace with an internal error exit code - Add a VMX flag in /proc/cpuinfo to report 5-level EPT support - Rework TDP MMU root unload, free, and alloc to run with mmu_lock held for read, e.g. to avoid serializing vCPUs when userspace deletes a memslot - Tear down TDP MMU page tables at 4KiB granularity (used to be 1GiB). KVM doesn't support yielding in the middle of processing a zap, and 1GiB granularity resulted in multi-millisecond lags that are quite impolite for CONFIG_PREEMPT kernels - Allocate write-tracking metadata on-demand to avoid the memory overhead when a kernel is built with i915 virtualization support but the workloads use neither shadow paging nor i915 virtualization - Explicitly initialize a variety of on-stack variables in the emulator that triggered KMSAN false positives - Fix the debugregs ABI for 32-bit KVM - Rework the "force immediate exit" code so that vendor code ultimately decides how and when to force the exit, which allowed some optimization for both Intel and AMD - Fix a long-standing bug where kvm_has_noapic_vcpu could be left elevated if vCPU creation ultimately failed, causing extra unnecessary work - Cleanup the logic for checking if the currently loaded vCPU is in-kernel - Harden against underflowing the active mmu_notifier invalidation count, so that "bad" invalidations (usually due to bugs elsehwere in the kernel) are detected earlier and are less likely to hang the kernel x86 Xen emulation: - Overlay pages can now be cached based on host virtual address, instead of guest physical addresses. This removes the need to reconfigure and invalidate the cache if the guest changes the gpa but the underlying host virtual address remains the same - When possible, use a single host TSC value when computing the deadline for Xen timers in order to improve the accuracy of the timer emulation - Inject pending upcall events when the vCPU software-enables its APIC to fix a bug where an upcall can be lost (and to follow Xen's behavior) - Fall back to the slow path instead of warning if "fast" IRQ delivery of Xen events fails, e.g. if the guest has aliased xAPIC IDs RISC-V: - Support exception and interrupt handling in selftests - New self test for RISC-V architectural timer (Sstc extension) - New extension support (Ztso, Zacas) - Support userspace emulation of random number seed CSRs ARM: - Infrastructure for building KVM's trap configuration based on the architectural features (or lack thereof) advertised in the VM's ID registers - Support for mapping vfio-pci BARs as Normal-NC (vaguely similar to x86's WC) at stage-2, improving the performance of interacting with assigned devices that can tolerate it - Conversion of KVM's representation of LPIs to an xarray, utilized to address serialization some of the serialization on the LPI injection path - Support for _architectural_ VHE-only systems, advertised through the absence of FEAT_E2H0 in the CPU's ID register - Miscellaneous cleanups, fixes, and spelling corrections to KVM and selftests LoongArch: - Set reserved bits as zero in CPUCFG - Start SW timer only when vcpu is blocking - Do not restart SW timer when it is expired - Remove unnecessary CSR register saving during enter guest - Misc cleanups and fixes as usual Generic: - Clean up Kconfig by removing CONFIG_HAVE_KVM, which was basically always true on all architectures except MIPS (where Kconfig determines the available depending on CPU capabilities). It is replaced either by an architecture-dependent symbol for MIPS, and IS_ENABLED(CONFIG_KVM) everywhere else - Factor common "select" statements in common code instead of requiring each architecture to specify it - Remove thoroughly obsolete APIs from the uapi headers - Move architecture-dependent stuff to uapi/asm/kvm.h - Always flush the async page fault workqueue when a work item is being removed, especially during vCPU destruction, to ensure that there are no workers running in KVM code when all references to KVM-the-module are gone, i.e. to prevent a very unlikely use-after-free if kvm.ko is unloaded - Grab a reference to the VM's mm_struct in the async #PF worker itself instead of gifting the worker a reference, so that there's no need to remember to *conditionally* clean up after the worker Selftests: - Reduce boilerplate especially when utilize selftest TAP infrastructure - Add basic smoke tests for SEV and SEV-ES, along with a pile of library support for handling private/encrypted/protected memory - Fix benign bugs where tests neglect to close() guest_memfd files" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (246 commits) selftests: kvm: remove meaningless assignments in Makefiles KVM: riscv: selftests: Add Zacas extension to get-reg-list test RISC-V: KVM: Allow Zacas extension for Guest/VM KVM: riscv: selftests: Add Ztso extension to get-reg-list test RISC-V: KVM: Allow Ztso extension for Guest/VM RISC-V: KVM: Forward SEED CSR access to user space KVM: riscv: selftests: Add sstc timer test KVM: riscv: selftests: Change vcpu_has_ext to a common function KVM: riscv: selftests: Add guest helper to get vcpu id KVM: riscv: selftests: Add exception handling support LoongArch: KVM: Remove unnecessary CSR register saving during enter guest LoongArch: KVM: Do not restart SW timer when it is expired LoongArch: KVM: Start SW timer only when vcpu is blocking LoongArch: KVM: Set reserved bits as zero in CPUCFG KVM: selftests: Explicitly close guest_memfd files in some gmem tests KVM: x86/xen: fix recursive deadlock in timer injection KVM: pfncache: simplify locking and make more self-contained KVM: x86/xen: remove WARN_ON_ONCE() with false positives in evtchn delivery KVM: x86/xen: inject vCPU upcall vector when local APIC is enabled KVM: x86/xen: improve accuracy of Xen timers ... |
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Palmer Dabbelt
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07f2c040fa
|
Merge patch series "riscv: mm: Extend mappable memory up to hint address"
Charlie Jenkins <charlie@rivosinc.com> says: On riscv, mmap currently returns an address from the largest address space that can fit entirely inside of the hint address. This makes it such that the hint address is almost never returned. This patch raises the mappable area up to and including the hint address. This allows mmap to often return the hint address, which allows a performance improvement over searching for a valid address as well as making the behavior more similar to other architectures. Note that a previous patch introduced stronger semantics compared to other architectures for riscv mmap. On riscv, mmap will not use bits in the upper bits of the virtual address depending on the hint address. On other architectures, a random address is returned in the address space requested. On all architectures the hint address will be returned if it is available. This allows riscv applications to configure how many bits in the virtual address should be left empty. This has the two benefits of being able to request address spaces that are smaller than the default and doesn't require the application to know the page table layout of riscv. * b4-shazam-merge: docs: riscv: Define behavior of mmap selftests: riscv: Generalize mm selftests riscv: mm: Use hint address in mmap if available Link: https://lore.kernel.org/r/20240130-use_mmap_hint_address-v3-0-8a655cfa8bcb@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Ricardo B. Marliere
|
07283c1873 |
ktest: force $buildonly = 1 for 'make_warnings_file' test type
The test type "make_warnings_file" should have no mandatory configuration parameters other than the ones required by the "build" test type, because its purpose is to create a file with build warnings that may or may not be used by other subsequent tests. Currently, the only way to use it as a stand-alone test is by setting POWER_CYCLE, CONSOLE, SSH_USER, BUILD_TARGET, TARGET_IMAGE, REBOOT_TYPE and GRUB_MENU. Link: https://lkml.kernel.org/r/20240315-ktest-v2-1-c5c20a75f6a3@marliere.net Cc: John Hawley <warthog9@eaglescrag.net> Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> |
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Steven Rostedt
|
ca8edb78c1 |
ktest.pl: Process variables within variables
Allow a variable to contain another variable. This will allow the ${shell <command>} to have its command include variables. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> |
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Paolo Bonzini
|
4781179012 |
selftests: kvm: remove meaningless assignments in Makefiles
$(shell ...) expands to the output of the command. It expands to the
empty string when the command does not print anything to stdout.
Hence, $(shell mkdir ...) is sufficient and does not need any
variable assignment in front of it.
Commit
|
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Linus Torvalds
|
e5eb28f6d1 |
- Kuan-Wei Chiu has developed the well-named series "lib min_heap: Min
heap optimizations". - Kuan-Wei Chiu has also sped up the library sorting code in the series "lib/sort: Optimize the number of swaps and comparisons". - Alexey Gladkov has added the ability for code running within an IPC namespace to alter its IPC and MQ limits. The series is "Allow to change ipc/mq sysctls inside ipc namespace". - Geert Uytterhoeven has contributed some dhrystone maintenance work in the series "lib: dhry: miscellaneous cleanups". - Ryusuke Konishi continues nilfs2 maintenance work in the series "nilfs2: eliminate kmap and kmap_atomic calls" "nilfs2: fix kernel bug at submit_bh_wbc()" - Nathan Chancellor has updated our build tools requirements in the series "Bump the minimum supported version of LLVM to 13.0.1". - Muhammad Usama Anjum continues with the selftests maintenance work in the series "selftests/mm: Improve run_vmtests.sh". - Oleg Nesterov has done some maintenance work against the signal code in the series "get_signal: minor cleanups and fix". Plus the usual shower of singleton patches in various parts of the tree. Please see the individual changelogs for details. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZfMnvgAKCRDdBJ7gKXxA jjKMAP4/Upq07D4wjkMVPb+QrkipbbLpdcgJ++q3z6rba4zhPQD+M3SFriIJk/Xh tKVmvihFxfAhdDthseXcIf1nBjMALwY= =8rVc -----END PGP SIGNATURE----- Merge tag 'mm-nonmm-stable-2024-03-14-09-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull non-MM updates from Andrew Morton: - Kuan-Wei Chiu has developed the well-named series "lib min_heap: Min heap optimizations". - Kuan-Wei Chiu has also sped up the library sorting code in the series "lib/sort: Optimize the number of swaps and comparisons". - Alexey Gladkov has added the ability for code running within an IPC namespace to alter its IPC and MQ limits. The series is "Allow to change ipc/mq sysctls inside ipc namespace". - Geert Uytterhoeven has contributed some dhrystone maintenance work in the series "lib: dhry: miscellaneous cleanups". - Ryusuke Konishi continues nilfs2 maintenance work in the series "nilfs2: eliminate kmap and kmap_atomic calls" "nilfs2: fix kernel bug at submit_bh_wbc()" - Nathan Chancellor has updated our build tools requirements in the series "Bump the minimum supported version of LLVM to 13.0.1". - Muhammad Usama Anjum continues with the selftests maintenance work in the series "selftests/mm: Improve run_vmtests.sh". - Oleg Nesterov has done some maintenance work against the signal code in the series "get_signal: minor cleanups and fix". Plus the usual shower of singleton patches in various parts of the tree. Please see the individual changelogs for details. * tag 'mm-nonmm-stable-2024-03-14-09-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (77 commits) nilfs2: prevent kernel bug at submit_bh_wbc() nilfs2: fix failure to detect DAT corruption in btree and direct mappings ocfs2: enable ocfs2_listxattr for special files ocfs2: remove SLAB_MEM_SPREAD flag usage assoc_array: fix the return value in assoc_array_insert_mid_shortcut() buildid: use kmap_local_page() watchdog/core: remove sysctl handlers from public header nilfs2: use div64_ul() instead of do_div() mul_u64_u64_div_u64: increase precision by conditionally swapping a and b kexec: copy only happens before uchunk goes to zero get_signal: don't initialize ksig->info if SIGNAL_GROUP_EXIT/group_exec_task get_signal: hide_si_addr_tag_bits: fix the usage of uninitialized ksig get_signal: don't abuse ksig->info.si_signo and ksig->sig const_structs.checkpatch: add device_type Normalise "name (ad@dr)" MODULE_AUTHORs to "name <ad@dr>" dyndbg: replace kstrdup() + strchr() with kstrdup_and_replace() list: leverage list_is_head() for list_entry_is_head() nilfs2: MAINTAINERS: drop unreachable project mirror site smp: make __smp_processor_id() 0-argument macro fat: fix uninitialized field in nostale filehandles ... |
||
Linus Torvalds
|
902861e34c |
- Sumanth Korikkar has taught s390 to allocate hotplug-time page frames
from hotplugged memory rather than only from main memory. Series "implement "memmap on memory" feature on s390". - More folio conversions from Matthew Wilcox in the series "Convert memcontrol charge moving to use folios" "mm: convert mm counter to take a folio" - Chengming Zhou has optimized zswap's rbtree locking, providing significant reductions in system time and modest but measurable reductions in overall runtimes. The series is "mm/zswap: optimize the scalability of zswap rb-tree". - Chengming Zhou has also provided the series "mm/zswap: optimize zswap lru list" which provides measurable runtime benefits in some swap-intensive situations. - And Chengming Zhou further optimizes zswap in the series "mm/zswap: optimize for dynamic zswap_pools". Measured improvements are modest. - zswap cleanups and simplifications from Yosry Ahmed in the series "mm: zswap: simplify zswap_swapoff()". - In the series "Add DAX ABI for memmap_on_memory", Vishal Verma has contributed several DAX cleanups as well as adding a sysfs tunable to control the memmap_on_memory setting when the dax device is hotplugged as system memory. - Johannes Weiner has added the large series "mm: zswap: cleanups", which does that. - More DAMON work from SeongJae Park in the series "mm/damon: make DAMON debugfs interface deprecation unignorable" "selftests/damon: add more tests for core functionalities and corner cases" "Docs/mm/damon: misc readability improvements" "mm/damon: let DAMOS feeds and tame/auto-tune itself" - In the series "mm/mempolicy: weighted interleave mempolicy and sysfs extension" Rakie Kim has developed a new mempolicy interleaving policy wherein we allocate memory across nodes in a weighted fashion rather than uniformly. This is beneficial in heterogeneous memory environments appearing with CXL. - Christophe Leroy has contributed some cleanup and consolidation work against the ARM pagetable dumping code in the series "mm: ptdump: Refactor CONFIG_DEBUG_WX and check_wx_pages debugfs attribute". - Luis Chamberlain has added some additional xarray selftesting in the series "test_xarray: advanced API multi-index tests". - Muhammad Usama Anjum has reworked the selftest code to make its human-readable output conform to the TAP ("Test Anything Protocol") format. Amongst other things, this opens up the use of third-party tools to parse and process out selftesting results. - Ryan Roberts has added fork()-time PTE batching of THP ptes in the series "mm/memory: optimize fork() with PTE-mapped THP". Mainly targeted at arm64, this significantly speeds up fork() when the process has a large number of pte-mapped folios. - David Hildenbrand also gets in on the THP pte batching game in his series "mm/memory: optimize unmap/zap with PTE-mapped THP". It implements batching during munmap() and other pte teardown situations. The microbenchmark improvements are nice. - And in the series "Transparent Contiguous PTEs for User Mappings" Ryan Roberts further utilizes arm's pte's contiguous bit ("contpte mappings"). Kernel build times on arm64 improved nicely. Ryan's series "Address some contpte nits" provides some followup work. - In the series "mm/hugetlb: Restore the reservation" Breno Leitao has fixed an obscure hugetlb race which was causing unnecessary page faults. He has also added a reproducer under the selftest code. - In the series "selftests/mm: Output cleanups for the compaction test", Mark Brown did what the title claims. - Kinsey Ho has added the series "mm/mglru: code cleanup and refactoring". - Even more zswap material from Nhat Pham. The series "fix and extend zswap kselftests" does as claimed. - In the series "Introduce cpu_dcache_is_aliasing() to fix DAX regression" Mathieu Desnoyers has cleaned up and fixed rather a mess in our handling of DAX on archiecctures which have virtually aliasing data caches. The arm architecture is the main beneficiary. - Lokesh Gidra's series "per-vma locks in userfaultfd" provides dramatic improvements in worst-case mmap_lock hold times during certain userfaultfd operations. - Some page_owner enhancements and maintenance work from Oscar Salvador in his series "page_owner: print stacks and their outstanding allocations" "page_owner: Fixup and cleanup" - Uladzislau Rezki has contributed some vmalloc scalability improvements in his series "Mitigate a vmap lock contention". It realizes a 12x improvement for a certain microbenchmark. - Some kexec/crash cleanup work from Baoquan He in the series "Split crash out from kexec and clean up related config items". - Some zsmalloc maintenance work from Chengming Zhou in the series "mm/zsmalloc: fix and optimize objects/page migration" "mm/zsmalloc: some cleanup for get/set_zspage_mapping()" - Zi Yan has taught the MM to perform compaction on folios larger than order=0. This a step along the path to implementaton of the merging of large anonymous folios. The series is named "Enable >0 order folio memory compaction". - Christoph Hellwig has done quite a lot of cleanup work in the pagecache writeback code in his series "convert write_cache_pages() to an iterator". - Some modest hugetlb cleanups and speedups in Vishal Moola's series "Handle hugetlb faults under the VMA lock". - Zi Yan has changed the page splitting code so we can split huge pages into sizes other than order-0 to better utilize large folios. The series is named "Split a folio to any lower order folios". - David Hildenbrand has contributed the series "mm: remove total_mapcount()", a cleanup. - Matthew Wilcox has sought to improve the performance of bulk memory freeing in his series "Rearrange batched folio freeing". - Gang Li's series "hugetlb: parallelize hugetlb page init on boot" provides large improvements in bootup times on large machines which are configured to use large numbers of hugetlb pages. - Matthew Wilcox's series "PageFlags cleanups" does that. - Qi Zheng's series "minor fixes and supplement for ptdesc" does that also. S390 is affected. - Cleanups to our pagemap utility functions from Peter Xu in his series "mm/treewide: Replace pXd_large() with pXd_leaf()". - Nico Pache has fixed a few things with our hugepage selftests in his series "selftests/mm: Improve Hugepage Test Handling in MM Selftests". - Also, of course, many singleton patches to many things. Please see the individual changelogs for details. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZfJpPQAKCRDdBJ7gKXxA joxeAP9TrcMEuHnLmBlhIXkWbIR4+ki+pA3v+gNTlJiBhnfVSgD9G55t1aBaRplx TMNhHfyiHYDTx/GAV9NXW84tasJSDgA= =TG55 -----END PGP SIGNATURE----- Merge tag 'mm-stable-2024-03-13-20-04' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull MM updates from Andrew Morton: - Sumanth Korikkar has taught s390 to allocate hotplug-time page frames from hotplugged memory rather than only from main memory. Series "implement "memmap on memory" feature on s390". - More folio conversions from Matthew Wilcox in the series "Convert memcontrol charge moving to use folios" "mm: convert mm counter to take a folio" - Chengming Zhou has optimized zswap's rbtree locking, providing significant reductions in system time and modest but measurable reductions in overall runtimes. The series is "mm/zswap: optimize the scalability of zswap rb-tree". - Chengming Zhou has also provided the series "mm/zswap: optimize zswap lru list" which provides measurable runtime benefits in some swap-intensive situations. - And Chengming Zhou further optimizes zswap in the series "mm/zswap: optimize for dynamic zswap_pools". Measured improvements are modest. - zswap cleanups and simplifications from Yosry Ahmed in the series "mm: zswap: simplify zswap_swapoff()". - In the series "Add DAX ABI for memmap_on_memory", Vishal Verma has contributed several DAX cleanups as well as adding a sysfs tunable to control the memmap_on_memory setting when the dax device is hotplugged as system memory. - Johannes Weiner has added the large series "mm: zswap: cleanups", which does that. - More DAMON work from SeongJae Park in the series "mm/damon: make DAMON debugfs interface deprecation unignorable" "selftests/damon: add more tests for core functionalities and corner cases" "Docs/mm/damon: misc readability improvements" "mm/damon: let DAMOS feeds and tame/auto-tune itself" - In the series "mm/mempolicy: weighted interleave mempolicy and sysfs extension" Rakie Kim has developed a new mempolicy interleaving policy wherein we allocate memory across nodes in a weighted fashion rather than uniformly. This is beneficial in heterogeneous memory environments appearing with CXL. - Christophe Leroy has contributed some cleanup and consolidation work against the ARM pagetable dumping code in the series "mm: ptdump: Refactor CONFIG_DEBUG_WX and check_wx_pages debugfs attribute". - Luis Chamberlain has added some additional xarray selftesting in the series "test_xarray: advanced API multi-index tests". - Muhammad Usama Anjum has reworked the selftest code to make its human-readable output conform to the TAP ("Test Anything Protocol") format. Amongst other things, this opens up the use of third-party tools to parse and process out selftesting results. - Ryan Roberts has added fork()-time PTE batching of THP ptes in the series "mm/memory: optimize fork() with PTE-mapped THP". Mainly targeted at arm64, this significantly speeds up fork() when the process has a large number of pte-mapped folios. - David Hildenbrand also gets in on the THP pte batching game in his series "mm/memory: optimize unmap/zap with PTE-mapped THP". It implements batching during munmap() and other pte teardown situations. The microbenchmark improvements are nice. - And in the series "Transparent Contiguous PTEs for User Mappings" Ryan Roberts further utilizes arm's pte's contiguous bit ("contpte mappings"). Kernel build times on arm64 improved nicely. Ryan's series "Address some contpte nits" provides some followup work. - In the series "mm/hugetlb: Restore the reservation" Breno Leitao has fixed an obscure hugetlb race which was causing unnecessary page faults. He has also added a reproducer under the selftest code. - In the series "selftests/mm: Output cleanups for the compaction test", Mark Brown did what the title claims. - Kinsey Ho has added the series "mm/mglru: code cleanup and refactoring". - Even more zswap material from Nhat Pham. The series "fix and extend zswap kselftests" does as claimed. - In the series "Introduce cpu_dcache_is_aliasing() to fix DAX regression" Mathieu Desnoyers has cleaned up and fixed rather a mess in our handling of DAX on archiecctures which have virtually aliasing data caches. The arm architecture is the main beneficiary. - Lokesh Gidra's series "per-vma locks in userfaultfd" provides dramatic improvements in worst-case mmap_lock hold times during certain userfaultfd operations. - Some page_owner enhancements and maintenance work from Oscar Salvador in his series "page_owner: print stacks and their outstanding allocations" "page_owner: Fixup and cleanup" - Uladzislau Rezki has contributed some vmalloc scalability improvements in his series "Mitigate a vmap lock contention". It realizes a 12x improvement for a certain microbenchmark. - Some kexec/crash cleanup work from Baoquan He in the series "Split crash out from kexec and clean up related config items". - Some zsmalloc maintenance work from Chengming Zhou in the series "mm/zsmalloc: fix and optimize objects/page migration" "mm/zsmalloc: some cleanup for get/set_zspage_mapping()" - Zi Yan has taught the MM to perform compaction on folios larger than order=0. This a step along the path to implementaton of the merging of large anonymous folios. The series is named "Enable >0 order folio memory compaction". - Christoph Hellwig has done quite a lot of cleanup work in the pagecache writeback code in his series "convert write_cache_pages() to an iterator". - Some modest hugetlb cleanups and speedups in Vishal Moola's series "Handle hugetlb faults under the VMA lock". - Zi Yan has changed the page splitting code so we can split huge pages into sizes other than order-0 to better utilize large folios. The series is named "Split a folio to any lower order folios". - David Hildenbrand has contributed the series "mm: remove total_mapcount()", a cleanup. - Matthew Wilcox has sought to improve the performance of bulk memory freeing in his series "Rearrange batched folio freeing". - Gang Li's series "hugetlb: parallelize hugetlb page init on boot" provides large improvements in bootup times on large machines which are configured to use large numbers of hugetlb pages. - Matthew Wilcox's series "PageFlags cleanups" does that. - Qi Zheng's series "minor fixes and supplement for ptdesc" does that also. S390 is affected. - Cleanups to our pagemap utility functions from Peter Xu in his series "mm/treewide: Replace pXd_large() with pXd_leaf()". - Nico Pache has fixed a few things with our hugepage selftests in his series "selftests/mm: Improve Hugepage Test Handling in MM Selftests". - Also, of course, many singleton patches to many things. Please see the individual changelogs for details. * tag 'mm-stable-2024-03-13-20-04' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (435 commits) mm/zswap: remove the memcpy if acomp is not sleepable crypto: introduce: acomp_is_async to expose if comp drivers might sleep memtest: use {READ,WRITE}_ONCE in memory scanning mm: prohibit the last subpage from reusing the entire large folio mm: recover pud_leaf() definitions in nopmd case selftests/mm: skip the hugetlb-madvise tests on unmet hugepage requirements selftests/mm: skip uffd hugetlb tests with insufficient hugepages selftests/mm: dont fail testsuite due to a lack of hugepages mm/huge_memory: skip invalid debugfs new_order input for folio split mm/huge_memory: check new folio order when split a folio mm, vmscan: retry kswapd's priority loop with cache_trim_mode off on failure mm: add an explicit smp_wmb() to UFFDIO_CONTINUE mm: fix list corruption in put_pages_list mm: remove folio from deferred split list before uncharging it filemap: avoid unnecessary major faults in filemap_fault() mm,page_owner: drop unnecessary check mm,page_owner: check for null stack_record before bumping its refcount mm: swap: fix race between free_swap_and_cache() and swapoff() mm/treewide: align up pXd_leaf() retval across archs mm/treewide: drop pXd_large() ... |
||
Linus Torvalds
|
1bbeaf83dd |
perf tools changes for v6.9
perf stat --------- * Support new 'cluster' aggregation mode for shared resources depending on the hardware configuration. $ sudo perf stat -a --per-cluster -e cycles,instructions sleep 1 Performance counter stats for 'system wide': S0-D0-CLS0 2 85,051,822 cycles S0-D0-CLS0 2 73,909,908 instructions # 0.87 insn per cycle S0-D0-CLS2 2 93,365,918 cycles S0-D0-CLS2 2 83,006,158 instructions # 0.89 insn per cycle S0-D0-CLS4 2 104,157,523 cycles S0-D0-CLS4 2 53,234,396 instructions # 0.51 insn per cycle S0-D0-CLS6 2 65,891,079 cycles S0-D0-CLS6 2 41,478,273 instructions # 0.63 insn per cycle 1.002407989 seconds time elapsed * Various fixes and cleanups for event metrics including NaN handling. perf script ----------- * Use libcapstone if available to disassemble the instructions. This enables 'perf script -F disasm' and 'perf script --insn-trace=disasm' (for Intel-PT). $ perf script -F event,ip,disasm cycles:P: ffffffffa988d428 wrmsr cycles:P: ffffffffa9839d25 movq %rax, %r14 cycles:P: ffffffffa9cdcaf0 endbr64 cycles:P: ffffffffa988d428 wrmsr cycles:P: ffffffffa988d428 wrmsr cycles:P: ffffffffaa401f86 iretq cycles:P: ffffffffa99c4de5 movq 0x30(%rcx), %r8 cycles:P: ffffffffa988d428 wrmsr cycles:P: ffffffffaa401f86 iretq cycles:P: ffffffffa9907983 movl 0x68(%rbx), %eax cycles:P: ffffffffa988d428 wrmsr * Expose sample ID / stream ID to python scripts perf test --------- * Add more perf test cases from Redhat internal test suites. This time it adds the base infra and a few perf probe tests. More to come. :) * Add 'perf test -p' for parallel execution and fix some issues found by the parallel test. * Support symbol test to print symbols in given (active) module: $ perf test -F -v Symbols --dso /lib/modules/$(uname -r)/kernel/fs/ext4/ext4.ko --- start --- Testing /lib/modules/6.5.13-1rodete2-amd64/kernel/fs/ext4/ext4.ko Overlapping symbols: 7a990-7a9a0 l __pfx_ext4_exit_fs 7a990-7a9a0 g __pfx_cleanup_module Overlapping symbols: 7a9a0-7aa1c l ext4_exit_fs 7a9a0-7aa1c g cleanup_module ... JSON metric updates ------------------- * A new round of Intel metric updates. * Support Power11 PVR (compatible to Power10). * Fix cache latency events on Zen 4 to set SliceId properly. Internal -------- * Fix reference counting for 'map' data structure, tireless work from Ian! * More memory optimization for struct thread and annotate histogram. Now, 'perf report' (TUI) and 'perf annotate' should be much lighter-weight in terms of memory footprint. * Support cross-arch perf register access. Clean up the build configuration so that it can detect arch-register support at runtime. This can allow to parse register data in sample which was recorded in a different arch. Others ------ * Sync task state in 'perf sched' to kernel using trace event fields. The task states have been changed so tools cannot assume a fixed encoding. * Clean up 'perf mem' to generalize the arch-specific events. * Add support for local and global variables to data type profiling. This would increase the success rate of type resolution with DWARF. * Add short option -H for --hierarchy in 'perf report' and 'perf top'. Signed-off-by: Namhyung Kim <namhyung@kernel.org> -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQSo2x5BnqMqsoHtzsmMstVUGiXMgwUCZfHmfhQcbmFtaHl1bmdA a2VybmVsLm9yZwAKCRCMstVUGiXMg5krAP9Es5KEhAHvTHo6y4OX9ktrNGB3j/FB YgakrWSuJxJ+UAD8D49wUloO3yVDVOe6MxJrZrHcEDGDV6qVSr0aPwDpyw4= =gPPl -----END PGP SIGNATURE----- Merge tag 'perf-tools-for-v6.9-2024-03-13' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools Pull perf tools updates from Namhyung Kim: "perf stat: - Support new 'cluster' aggregation mode for shared resources depending on the hardware configuration: $ sudo perf stat -a --per-cluster -e cycles,instructions sleep 1 Performance counter stats for 'system wide': S0-D0-CLS0 2 85,051,822 cycles S0-D0-CLS0 2 73,909,908 instructions # 0.87 insn per cycle S0-D0-CLS2 2 93,365,918 cycles S0-D0-CLS2 2 83,006,158 instructions # 0.89 insn per cycle S0-D0-CLS4 2 104,157,523 cycles S0-D0-CLS4 2 53,234,396 instructions # 0.51 insn per cycle S0-D0-CLS6 2 65,891,079 cycles S0-D0-CLS6 2 41,478,273 instructions # 0.63 insn per cycle 1.002407989 seconds time elapsed - Various fixes and cleanups for event metrics including NaN handling perf script: - Use libcapstone if available to disassemble the instructions. This enables 'perf script -F disasm' and 'perf script --insn-trace=disasm' (for Intel-PT): $ perf script -F event,ip,disasm cycles:P: ffffffffa988d428 wrmsr cycles:P: ffffffffa9839d25 movq %rax, %r14 cycles:P: ffffffffa9cdcaf0 endbr64 cycles:P: ffffffffa988d428 wrmsr cycles:P: ffffffffa988d428 wrmsr cycles:P: ffffffffaa401f86 iretq cycles:P: ffffffffa99c4de5 movq 0x30(%rcx), %r8 cycles:P: ffffffffa988d428 wrmsr cycles:P: ffffffffaa401f86 iretq cycles:P: ffffffffa9907983 movl 0x68(%rbx), %eax cycles:P: ffffffffa988d428 wrmsr - Expose sample ID / stream ID to python scripts perf test: - Add more perf test cases from Redhat internal test suites. This time it adds the base infra and a few perf probe tests. More to come. :) - Add 'perf test -p' for parallel execution and fix some issues found by the parallel test - Support symbol test to print symbols in given (active) module: $ perf test -F -v Symbols --dso /lib/modules/$(uname -r)/kernel/fs/ext4/ext4.ko --- start --- Testing /lib/modules/6.5.13-1rodete2-amd64/kernel/fs/ext4/ext4.ko Overlapping symbols: 7a990-7a9a0 l __pfx_ext4_exit_fs 7a990-7a9a0 g __pfx_cleanup_module Overlapping symbols: 7a9a0-7aa1c l ext4_exit_fs 7a9a0-7aa1c g cleanup_module ... JSON metric updates: - A new round of Intel metric updates - Support Power11 PVR (compatible to Power10) - Fix cache latency events on Zen 4 to set SliceId properly Internal: - Fix reference counting for 'map' data structure, tireless work from Ian! - More memory optimization for struct thread and annotate histogram. Now, 'perf report' (TUI) and 'perf annotate' should be much lighter-weight in terms of memory footprint - Support cross-arch perf register access. Clean up the build configuration so that it can detect arch-register support at runtime. This can allow to parse register data in sample which was recorded in a different arch Others: - Sync task state in 'perf sched' to kernel using trace event fields. The task states have been changed so tools cannot assume a fixed encoding - Clean up 'perf mem' to generalize the arch-specific events - Add support for local and global variables to data type profiling. This would increase the success rate of type resolution with DWARF - Add short option -H for --hierarchy in 'perf report' and 'perf top'" * tag 'perf-tools-for-v6.9-2024-03-13' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (154 commits) perf annotate: Add comments in the data structures perf annotate: Remove sym_hist.addr[] array perf annotate: Calculate instruction overhead using hashmap perf annotate: Add a hashmap for symbol histogram perf threads: Reduce table size from 256 to 8 perf threads: Switch from rbtree to hashmap perf threads: Move threads to its own files perf machine: Move machine's threads into its own abstraction perf machine: Move fprintf to for_each loop and a callback perf trace: Ignore thread hashing in summary perf report: Sort child tasks by tid perf vendor events amd: Fix Zen 4 cache latency events perf version: Display availability of OpenCSD support perf vendor events intel: Add umasks/occ_sel to PCU events. perf map: Fix map reference count issues libperf evlist: Avoid out-of-bounds access perf lock contention: Account contending locks too perf metrics: Fix segv for metrics with no events perf metrics: Fix metric matching perf pmu: Fix a potential memory leak in perf_pmu__lookup() ... |
||
Linus Torvalds
|
01732755ee |
Probes updates for v6.9:
- x96/kprobes: Use boolean for some function return instead of 0 and 1. - x86/kprobes: Prohibit probing on INT/UD. This prevents user to put kprobe on INTn/INT1/INT3/INTO and UD0/UD1/UD2 because these are used for a special purpose in the kernel. - x86/kprobes: Boost Grp instructions. Because a few percent of kernel instructions are Grp 2/3/4/5 and those are safe to be executed without ip register fixup, allow those to be boosted (direct execution on the trampoline buffer with a JMP). - tracing/probes: Add function argument access from return events (kretprobe and fprobe). This allows user to compare how a data structure field is changed after executing a function. With BTF, return event also accepts function argument access by name. This also includes below patches; . Fix a wrong comment (using "Kretprobe" in fprobe) . Cleanup a big probe argument parser function into three parts, type parser, post-processing function, and main parser. . Cleanup to set nr_args field when initializing trace_probe instead of counting up it while parsing. . Cleanup a redundant #else block from tracefs/README source code. . Update selftests to check entry argument access from return probes. . Documentation update about entry argument access from return probes. -----BEGIN PGP SIGNATURE----- iQFPBAABCgA5FiEEh7BulGwFlgAOi5DV2/sHvwUrPxsFAmXwW4kbHG1hc2FtaS5o aXJhbWF0c3VAZ21haWwuY29tAAoJENv7B78FKz8bH80H/3H6JENlDAjaSLi4vYrP Qyw/cOGIuGu8cDEzkkOaFMol3TY23M7tQZH1lFefvV92gebZ0ttXnrQhSsKeO5XT PCZ6Eoift5rwJCY967W4V6O0DrAkOGHlPtlKs47APJnTXwn8RcFTqWlQmhWg1AfD g/FCWV7cs3eewZgV9iQcLydOoLLgRMr3G3rtPYQbCXhPzze0WTu4dSOXxCTjFe04 riHQy7R+ut6Cur8njpoqZl6bCMkQqAylByXf6wK96HjcS0+ZI7Ivi8Ey3l2aAFen EeIViMU2Bl02XzBszj7Xq2cT/ebYAgDonFW3/5ZKD1YMO6F7wPoVH5OHrQ518Xuw hQ8= =O6l5 -----END PGP SIGNATURE----- Merge tag 'probes-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull probes updates from Masami Hiramatsu: "x86 kprobes: - Use boolean for some function return instead of 0 and 1 - Prohibit probing on INT/UD. This prevents user to put kprobe on INTn/INT1/INT3/INTO and UD0/UD1/UD2 because these are used for a special purpose in the kernel - Boost Grp instructions. Because a few percent of kernel instructions are Grp 2/3/4/5 and those are safe to be executed without ip register fixup, allow those to be boosted (direct execution on the trampoline buffer with a JMP) tracing: - Add function argument access from return events (kretprobe and fprobe). This allows user to compare how a data structure field is changed after executing a function. With BTF, return event also accepts function argument access by name. - Fix a wrong comment (using "Kretprobe" in fprobe) - Cleanup a big probe argument parser function into three parts, type parser, post-processing function, and main parser - Cleanup to set nr_args field when initializing trace_probe instead of counting up it while parsing - Cleanup a redundant #else block from tracefs/README source code - Update selftests to check entry argument access from return probes - Documentation update about entry argument access from return probes" * tag 'probes-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: Documentation: tracing: Add entry argument access at function exit selftests/ftrace: Add test cases for entry args at function exit tracing/probes: Support $argN in return probe (kprobe and fprobe) tracing: Remove redundant #else block for BTF args from README tracing/probes: cleanup: Set trace_probe::nr_args at trace_probe_init tracing/probes: Cleanup probe argument parser tracing/fprobe-event: cleanup: Fix a wrong comment in fprobe event x86/kprobes: Boost more instructions from grp2/3/4/5 x86/kprobes: Prohibit kprobing on INT and UD x86/kprobes: Refactor can_{probe,boost} return type to bool |