gcc points out that the fix-byte buffer might be too small:
drivers/dma/sh/usb-dmac.c: In function 'usb_dmac_probe':
drivers/dma/sh/usb-dmac.c:720:34: warning: '%u' directive writing between 1 and 10 bytes into a region of size 3 [-Wformat-overflow=]
720 | sprintf(pdev_irqname, "ch%u", index);
| ^~
In function 'usb_dmac_chan_probe',
inlined from 'usb_dmac_probe' at drivers/dma/sh/usb-dmac.c:814:9:
drivers/dma/sh/usb-dmac.c:720:31: note: directive argument in the range [0, 4294967294]
720 | sprintf(pdev_irqname, "ch%u", index);
| ^~~~~~
drivers/dma/sh/usb-dmac.c:720:9: note: 'sprintf' output between 4 and 13 bytes into a destination of size 5
720 | sprintf(pdev_irqname, "ch%u", index);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Maximum number of channels for USB-DMAC as per the driver is 1-99 so use
u8 instead of unsigned int/int for DMAC channel indexing and make the
pdev_irqname string long enough to avoid the warning.
While at it use scnprintf() instead of sprintf() to make the code more
robust.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240110222210.193479-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The max channel count for RZ DMAC is 16, hence use u8 instead of unsigned
int and make the pdev_irqname string long enough to avoid the warning.
This fixes the below issue:
drivers/dma/sh/rz-dmac.c: In function ‘rz_dmac_probe’:
drivers/dma/sh/rz-dmac.c:770:34: warning: ‘%u’ directive writing between 1 and 10 bytes into a region of size 3 [-Wformat-overflow=]
770 | sprintf(pdev_irqname, "ch%u", index);
| ^~
In function ‘rz_dmac_chan_probe’,
inlined from ‘rz_dmac_probe’ at drivers/dma/sh/rz-dmac.c:910:9:
drivers/dma/sh/rz-dmac.c:770:31: note: directive argument in the range [0, 4294967294]
770 | sprintf(pdev_irqname, "ch%u", index);
| ^~~~~~
drivers/dma/sh/rz-dmac.c:770:9: note: ‘sprintf’ output between 4 and 13 bytes into a destination of size 5
770 | sprintf(pdev_irqname, "ch%u", index);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
While at it use scnprintf() instead of sprintf() to make the code
more robust.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240110222717.193719-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Clang warns (or errors with CONFIG_WERROR=y):
drivers/dma/xilinx/xdma.c:894:3: error: variable 'desc' is uninitialized when used here [-Werror,-Wuninitialized]
894 | desc->error = true;
| ^~~~
The initialization of desc was moved too far forward, move it back so
that this assignment does not result in a potential crash at runtime
while clearing up the warning.
Closes: https://github.com/ClangBuiltLinux/linux/issues/1972
Fixes: 2f8f90cd2f ("dmaengine: xilinx: xdma: Implement interleaved DMA transfers")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20231222-dma-xilinx-xdma-clang-fixes-v1-2-84a18ff184d2@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Clang warns (or errors with CONFIG_WERROR=y):
drivers/dma/xilinx/xdma.c:757:68: error: operator '?:' has lower precedence than '+'; '+' will be evaluated first [-Werror,-Wparentheses]
757 | src_addr += dmaengine_get_src_icg(xt, &xt->sgl[i]) + xt->src_inc ?
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^
drivers/dma/xilinx/xdma.c:757:68: note: place parentheses around the '+' expression to silence this warning
757 | src_addr += dmaengine_get_src_icg(xt, &xt->sgl[i]) + xt->src_inc ?
| ^
| ( )
drivers/dma/xilinx/xdma.c:757:68: note: place parentheses around the '?:' expression to evaluate it first
757 | src_addr += dmaengine_get_src_icg(xt, &xt->sgl[i]) + xt->src_inc ?
| ^
| (
758 | xt->sgl[i].size : 0;
|
| )
drivers/dma/xilinx/xdma.c:759:68: error: operator '?:' has lower precedence than '+'; '+' will be evaluated first [-Werror,-Wparentheses]
759 | dst_addr += dmaengine_get_dst_icg(xt, &xt->sgl[i]) + xt->dst_inc ?
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^
drivers/dma/xilinx/xdma.c:759:68: note: place parentheses around the '+' expression to silence this warning
759 | dst_addr += dmaengine_get_dst_icg(xt, &xt->sgl[i]) + xt->dst_inc ?
| ^
| ( )
drivers/dma/xilinx/xdma.c:759:68: note: place parentheses around the '?:' expression to evaluate it first
759 | dst_addr += dmaengine_get_dst_icg(xt, &xt->sgl[i]) + xt->dst_inc ?
| ^
| (
760 | xt->sgl[i].size : 0;
|
| )
The src_inc and dst_inc members of 'struct dma_interleaved_template' are
booleans, so it does not make sense for the addition to happen first.
Wrap the conditional operator in parantheses so it is evaluated first.
Closes: https://github.com/ClangBuiltLinux/linux/issues/1971
Fixes: 2f8f90cd2f ("dmaengine: xilinx: xdma: Implement interleaved DMA transfers")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20231222-dma-xilinx-xdma-clang-fixes-v1-1-84a18ff184d2@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
There is no need to use $(foreach ...) for iterating over just one parameter.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20231120235423.4103310-1-masahiroy@kernel.org
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
One instance of gpio_backlight_platform_data.fbdev was renamed, but the
second instance was forgotten, causing a build failure:
arch/sh/boards/mach-ecovec24/setup.c: In function ‘arch_setup’:
arch/sh/boards/mach-ecovec24/setup.c:1223:37: error: ‘struct gpio_backlight_platform_data’ has no member named ‘fbdev’; did you mean ‘dev’?
1223 | gpio_backlight_data.fbdev = NULL;
| ^~~~~
| dev
Fix this by updating the second instance.
Fixes: ed369def91 ("backlight/gpio_backlight: Rename field 'fbdev' to 'dev'")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202309231601.Uu6qcRnU-lkp@intel.com/
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20230925111022.3626362-1-geert+renesas@glider.be
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
- Fix for definition of wakeref_t
- Fix for an error code aliasing
- Fix for VM_UNBIND_ALL in the case there are no bound VMAs
- Fixes for a number of __iomem address space mismatches reported by sparse
- Fixes for the assignment of exec_queue priority
- A Fix for skip_guc_pc not taking effect
- Workaround for a build problem on GCC 11
- A couple of fixes for error paths
- Fix a Flat CCS compression metadata copy issue
- Fix a misplace array bounds checking
- Don't have display support depend on EXPERT (as discussed on IRC)
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Merge tag 'drm-xe-next-fixes-2024-01-16' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
Driver Changes:
- Fix for definition of wakeref_t
- Fix for an error code aliasing
- Fix for VM_UNBIND_ALL in the case there are no bound VMAs
- Fixes for a number of __iomem address space mismatches reported by sparse
- Fixes for the assignment of exec_queue priority
- A Fix for skip_guc_pc not taking effect
- Workaround for a build problem on GCC 11
- A couple of fixes for error paths
- Fix a Flat CCS compression metadata copy issue
- Fix a misplace array bounds checking
- Don't have display support depend on EXPERT (as discussed on IRC)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240116102204.106520-1-thomas.hellstrom@linux.intel.com
MS-SMB2 spec has introduced two new status codes,
STATUS_SERVER_UNAVAILABLE and STATUS_FILE_NOT_AVAILABLE
which are to be treated as retryable errors.
This change adds these to the available mappings and
maps them to Linux errno EAGAIN.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Today, the tree connect and disconnect requests are
sent on the primary channel only. However, the new
multichannel logic allows the session to remain active
even if one of the channels are alive. So a tree connect
can now be triggered during a reconnect on any of
its channels.
This change changes tcon and tdis calls to pick an
active channel instead of the first one.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
open_cached_dir today selects ses->server a.k.a primary channel
to send requests. When multichannel is used, the primary
channel maybe down. So it does not make sense to rely only
on that channel.
This fix makes this function pick a channel with the standard
helper function cifs_pick_channel.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Update the usage documentation to include some missing
configuration options. Update the todo list documentation
for cifs.ko
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Merge tag 'for-6.8/block-2024-01-18' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- tcp, fc, and rdma target fixes (Maurizio, Daniel, Hannes,
Christoph)
- discard fixes and improvements (Christoph)
- timeout debug improvements (Keith, Max)
- various cleanups (Daniel, Max, Giuxen)
- trace event string fixes (Arnd)
- shadow doorbell setup on reset fix (William)
- a write zeroes quirk for SK Hynix (Jim)
- MD pull request via Song:
- Sparse warning since v6.0 (Bart)
- /proc/mdstat regression since v6.7 (Yu Kuai)
- Use symbolic error value (Christian)
- IO Priority documentation update (Christian)
- Fix for accessing queue limits without having entered the queue
(Christoph, me)
- Fix for loop dio support (Christoph)
- Move null_blk off deprecated ida interface (Christophe)
- Ensure nbd initializes full msghdr (Eric)
- Fix for a regression with the folio conversion, which is now easier
to hit because of an unrelated change (Matthew)
- Remove redundant check in virtio-blk (Li)
- Fix for a potential hang in sbitmap (Ming)
- Fix for partial zone appending (Damien)
- Misc changes and fixes (Bart, me, Kemeng, Dmitry)
* tag 'for-6.8/block-2024-01-18' of git://git.kernel.dk/linux: (45 commits)
Documentation: block: ioprio: Update schedulers
loop: fix the the direct I/O support check when used on top of block devices
blk-mq: Remove the hctx 'run' debugfs attribute
nbd: always initialize struct msghdr completely
block: Fix iterating over an empty bio with bio_for_each_folio_all
block: bio-integrity: fix kcalloc() arguments order
virtio_blk: remove duplicate check if queue is broken in virtblk_done
sbitmap: remove stale comment in sbq_calc_wake_batch
block: Correct a documentation comment in blk-cgroup.c
null_blk: Remove usage of the deprecated ida_simple_xx() API
block: ensure we hold a queue reference when using queue limits
blk-mq: rename blk_mq_can_use_cached_rq
block: print symbolic error name instead of error code
blk-mq: fix IO hang from sbitmap wakeup race
nvmet-rdma: avoid circular locking dependency on install_queue()
nvmet-tcp: avoid circular locking dependency on install_queue()
nvme-pci: set doorbell config before unquiescing
block: fix partial zone append completion handling in req_bio_endio()
block/iocost: silence warning on 'last_period' potentially being unused
md/raid1: Use blk_opf_t for read and write operations
...
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Merge tag 'for-6.8/io_uring-2024-01-18' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"Nothing major in here, just a few fixes and cleanups that arrived
after the initial merge window pull request got finalized, as well as
a fix for a patch that got merged earlier"
* tag 'for-6.8/io_uring-2024-01-18' of git://git.kernel.dk/linux:
io_uring: combine cq_wait_nr checks
io_uring: clean *local_work_add var naming
io_uring: clean up local tw add-wait sync
io_uring: adjust defer tw counting
io_uring/register: guard compat syscall with CONFIG_COMPAT
io_uring/rsrc: improve code generation for fixed file assignment
io_uring/rw: cleanup io_rw_done()
- Fix a "BUG: kernel NULL pointer dereference" issue due to
inconsistent on-disk indices of compressed inodes against
per-sb `available_compr_algs` generated by Syzkaller;
- Don't use certain unnecessary folio_*() helpers if the folio
type (page cache) is known.
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Merge tag 'erofs-for-6.8-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fixes from Gao Xiang:
- Fix a "BUG: kernel NULL pointer dereference" issue due to
inconsistent on-disk indices of compressed inodes against
per-sb `available_compr_algs` generated by Syzkaller
- Don't use certain unnecessary folio_*() helpers if the folio
type (page cache) is known
* tag 'erofs-for-6.8-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: Don't use certain unnecessary folio_*() functions
erofs: fix inconsistent per-file compression format
- Make Kconfig parse the input .config more precisely
- Support W=c and W=e options for Kconfig
- Set Kconfig int/hex symbols to zero if the 'default' property is
missing
- Add .editorconfig
- Add scripts/git.orderFile
- Add a script to detect backward-incompatible changes in UAPI headers
- Resolve the symlink passed to O= option properly
- Use the user-supplied mtime for all files in the builtin initramfs,
which provides better reproducible builds
- Fix the direct execution of debian/rules for Debian package builds
- Use build ID instead of the .gnu_debuglink section for the Debian dbg
package
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Merge tag 'kbuild-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Make Kconfig parse the input .config more precisely
- Support W=c and W=e options for Kconfig
- Set Kconfig int/hex symbols to zero if the 'default' property is
missing
- Add .editorconfig
- Add scripts/git.orderFile
- Add a script to detect backward-incompatible changes in UAPI headers
- Resolve the symlink passed to O= option properly
- Use the user-supplied mtime for all files in the builtin initramfs,
which provides better reproducible builds
- Fix the direct execution of debian/rules for Debian package builds
- Use build ID instead of the .gnu_debuglink section for the Debian dbg
package
* tag 'kbuild-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (53 commits)
kbuild: deb-pkg: use debian/<package> for tmpdir
kbuild: deb-pkg: move 'make headers' to build-arch
kbuild: deb-pkg: do not search for 'scripts' directory under arch/
kbuild: deb-pkg: use build ID instead of debug link for dbg package
kbuild: deb-pkg: use more debhelper commands in builddeb
kbuild: deb-pkg: remove unneeded '-f $srctree/Makefile' in debian/rules
kbuild: deb-pkg: allow to run debian/rules from output directory
kbuild: deb-pkg: set DEB_* variables if debian/rules is directly executed
kbuild: deb-pkg: squash scripts/package/deb-build-option to debian/rules
kbuild: deb-pkg: factor out common Make options in debian/rules
kbuild: deb-pkg: hard-code Build-Depends
kbuild: deb-pkg: split debian/copyright from the mkdebian script
gen_init_cpio: Apply mtime supplied by user to all file types
kbuild: resolve symlinks for O= properly
docs: dev-tools: Add UAPI checker documentation
check-uapi: Introduce check-uapi.sh
scripts: Introduce a default git.orderFile
kconfig: WERROR unmet symbol dependency
Add .editorconfig file for basic formatting
kconfig: Use KCONFIG_CONFIG instead of .config
...
The entire changeset for kgdb this cycle is a single two-line change to
remove some deadcode that, had it not been dead, would have called
strncpy() in an unsafe manner.
To be fair there were other modest clean ups were discussed this cycle
but they are not finalized and will have to wait until next time.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Merge tag 'kgdb-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb update from Daniel Thompson:
"The entire changeset for kgdb this cycle is a single two-line change
to remove some deadcode that, had it not been dead, would have called
strncpy() in an unsafe manner.
To be fair there were other modest clean ups were discussed this cycle
but they are not finalized and will have to wait until next time"
* tag 'kgdb-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kdb: Fix a potential buffer overflow in kdb_local()
Previous releases - regressions:
- Revert "net: rtnetlink: Enslave device before bringing it up",
breaks the case inverse to the one it was trying to fix
- net: dsa: fix oob access in DSA's netdevice event handler
dereference netdev_priv() before check its a DSA port
- sched: track device in tcf_block_get/put_ext() only for clsact
binder types
- net: tls, fix WARNING in __sk_msg_free when record becomes full
during splice and MORE hint set
- sfp-bus: fix SFP mode detect from bitrate
- drv: stmmac: prevent DSA tags from breaking COE
Previous releases - always broken:
- bpf: fix no forward progress in in bpf_iter_udp if output
buffer is too small
- bpf: reject variable offset alu on registers with a type
of PTR_TO_FLOW_KEYS to prevent oob access
- netfilter: tighten input validation
- net: add more sanity check in virtio_net_hdr_to_skb()
- rxrpc: fix use of Don't Fragment flag on RESPONSE packets,
avoid infinite loop
- amt: do not use the portion of skb->cb area which may get clobbered
- mptcp: improve validation of the MPTCPOPT_MP_JOIN MCTCP option
Misc:
- spring cleanup of inactive maintainers
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf and netfilter.
Previous releases - regressions:
- Revert "net: rtnetlink: Enslave device before bringing it up",
breaks the case inverse to the one it was trying to fix
- net: dsa: fix oob access in DSA's netdevice event handler
dereference netdev_priv() before check its a DSA port
- sched: track device in tcf_block_get/put_ext() only for clsact
binder types
- net: tls, fix WARNING in __sk_msg_free when record becomes full
during splice and MORE hint set
- sfp-bus: fix SFP mode detect from bitrate
- drv: stmmac: prevent DSA tags from breaking COE
Previous releases - always broken:
- bpf: fix no forward progress in in bpf_iter_udp if output buffer is
too small
- bpf: reject variable offset alu on registers with a type of
PTR_TO_FLOW_KEYS to prevent oob access
- netfilter: tighten input validation
- net: add more sanity check in virtio_net_hdr_to_skb()
- rxrpc: fix use of Don't Fragment flag on RESPONSE packets, avoid
infinite loop
- amt: do not use the portion of skb->cb area which may get clobbered
- mptcp: improve validation of the MPTCPOPT_MP_JOIN MCTCP option
Misc:
- spring cleanup of inactive maintainers"
* tag 'net-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
i40e: Include types.h to some headers
ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work
selftests: mlxsw: qos_pfc: Adjust the test to support 8 lanes
selftests: mlxsw: qos_pfc: Remove wrong description
mlxsw: spectrum_router: Register netdevice notifier before nexthop
mlxsw: spectrum_acl_tcam: Fix stack corruption
mlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path
mlxsw: spectrum_acl_erp: Fix error flow of pool allocation failure
ethtool: netlink: Add missing ethnl_ops_begin/complete
selftests: bonding: Add more missing config options
selftests: netdevsim: add a config file
libbpf: warn on unexpected __arg_ctx type when rewriting BTF
selftests/bpf: add tests confirming type logic in kernel for __arg_ctx
bpf: enforce types for __arg_ctx-tagged arguments in global subprogs
bpf: extract bpf_ctx_convert_map logic and make it more reusable
libbpf: feature-detect arg:ctx tag support in kernel
ipvs: avoid stat macros calls from preemptible context
netfilter: nf_tables: reject NFT_SET_CONCAT with not field length description
netfilter: nf_tables: skip dead set elements in netlink dump
netfilter: nf_tables: do not allow mismatch field size and set key length
...
(controllers set the flag, but there is no client to use it). Also,
CLASS_SPD support gets simplified to prepare removal in the future.
Class based instantiation is not recommended these days anyhow.
Furthermore, I2C core now creates a debugfs directory per I2C adapter.
Current bus driver users were converted to use it. Then, there are also
quite some driver updates. Standing out are patches for the wmt-driver
which is refactored to support more variants. This is the rebased pull
request where a large series for the designware driver was dropped.
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Merge tag 'i2c-for-6.8-rc1-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"This removes the currently unused CLASS_DDC support (controllers set
the flag, but there is no client to use it).
Also, CLASS_SPD support gets simplified to prepare removal in the
future. Class based instantiation is not recommended these days
anyhow.
Furthermore, I2C core now creates a debugfs directory per I2C adapter.
Current bus driver users were converted to use it.
Finally, quite some driver updates. Standing out are patches for the
wmt-driver which is refactored to support more variants.
This is the rebased pull request where a large series for the
designware driver was dropped"
* tag 'i2c-for-6.8-rc1-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (38 commits)
MAINTAINERS: use proper email for my I2C work
i2c: stm32f7: add support for stm32mp25 soc
i2c: stm32f7: perform I2C_ISR read once at beginning of event isr
dt-bindings: i2c: document st,stm32mp25-i2c compatible
i2c: stm32f7: simplify status messages in case of errors
i2c: stm32f7: perform most of irq job in threaded handler
i2c: stm32f7: use dev_err_probe upon calls of devm_request_irq
i2c: i801: Add lis3lv02d for Dell XPS 15 7590
i2c: i801: Add lis3lv02d for Dell Precision 3540
i2c: wmt: Reduce redundant: REG_CR setting
i2c: wmt: Reduce redundant: function parameter
i2c: wmt: Reduce redundant: clock mode setting
i2c: wmt: Reduce redundant: wait event complete
i2c: wmt: Reduce redundant: bus busy check
i2c: mux: reg: Remove class-based device auto-detection support
i2c: make i2c_bus_type const
dt-bindings: at24: add ROHM BR24G04
eeprom: at24: use of_match_ptr()
i2c: cpm: Remove linux,i2c-index conversion from be32
i2c: imx: Make SDA actually optional for bus recovering
...
Subsytem:
New driver:
- Analog Devices MAX31335
- Nuvoton ma35d1
- Texas Instrument TPS6594 PMIC RTC
Drivers:
- cmos: use ACPI alarm instead of HPET on recent AMD platforms
- nuvoton: add NCT3015Y-R and NCT3018Y-R support
- rv8803: proper suspend/resume and wakeup-source support
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Merge tag 'rtc-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"There are three new drivers this cycle. Also the cmos driver is
getting fixes for longstanding wakeup issues on AMD.
New drivers:
- Analog Devices MAX31335
- Nuvoton ma35d1
- Texas Instrument TPS6594 PMIC RTC
Drivers:
- cmos: use ACPI alarm instead of HPET on recent AMD platforms
- nuvoton: add NCT3015Y-R and NCT3018Y-R support
- rv8803: proper suspend/resume and wakeup-source support"
* tag 'rtc-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (26 commits)
rtc: nuvoton: Compatible with NCT3015Y-R and NCT3018Y-R
rtc: da9063: Use dev_err_probe()
rtc: da9063: Use device_get_match_data()
rtc: da9063: Make IRQ as optional
rtc: max31335: Fix comparison in max31335_volatile_reg()
rtc: max31335: use regmap_update_bits_check
rtc: max31335: remove unecessary locking
rtc: max31335: add driver support
dt-bindings: rtc: max31335: add max31335 bindings
rtc: rv8803: add wakeup-source support
rtc: ac100: remove misuses of kernel-doc
rtc: class: Remove usage of the deprecated ida_simple_xx() API
rtc: MAINTAINERS: drop Alessandro Zummo
rtc: ma35d1: remove hardcoded UIE support
dt-bindings: rtc: qcom-pm8xxx: fix inconsistent example
rtc: rv8803: Add power management support
rtc: ds3232: avoid unused-const-variable warning
rtc: lpc24xx: add missing dependency
rtc: tps6594: Add driver for TPS6594 RTC
rtc: Add driver for Nuvoton ma35d1 rtc controller
...
- a new driver for Adafruit Seesaw gamepad device
- Zforce touchscreen will handle standard device properties for axis
swap/inversion
- handling of advanced sensitivity settings in Microchip CAP11xx
capacitive sensor driver
- more drivers have been converted to use newer gpiod API
- support for dedicated wakeup IRQs in gpio-keys dirver
- support for slider gestures and OTP variants in iqs269a driver
- atkbd will report keyboard version as 0xab83 in cases when GET ID
command was skipped (to deal with problematic firmware on newer
laptops), restoring the previous behavior
- other assorted cleanups and changes
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Merge tag 'input-for-v6.8-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a new driver for Adafruit Seesaw gamepad device
- Zforce touchscreen will handle standard device properties for axis
swap/inversion
- handling of advanced sensitivity settings in Microchip CAP11xx
capacitive sensor driver
- more drivers have been converted to use newer gpiod API
- support for dedicated wakeup IRQs in gpio-keys dirver
- support for slider gestures and OTP variants in iqs269a driver
- atkbd will report keyboard version as 0xab83 in cases when GET ID
command was skipped (to deal with problematic firmware on newer
laptops), restoring the previous behavior
- other assorted cleanups and changes
* tag 'input-for-v6.8-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (44 commits)
Input: atkbd - use ab83 as id when skipping the getid command
Input: driver for Adafruit Seesaw Gamepad
dt-bindings: input: bindings for Adafruit Seesaw Gamepad
Input: da9063_onkey - avoid explicitly setting input's parent
Input: da9063_onkey - avoid using OF-specific APIs
Input: iqs269a - add support for OTP variants
dt-bindings: input: iqs269a: Add bindings for OTP variants
Input: iqs269a - add support for slider gestures
dt-bindings: input: iqs269a: Add bindings for slider gestures
Input: gpio-keys - filter gpio_keys -EPROBE_DEFER error messages
Input: zforce_ts - accept standard touchscreen properties
dt-bindings: touchscreen: neonode,zforce: Use standard properties
dt-bindings: touchscreen: convert neonode,zforce to json-schema
dt-bindings: input: convert drv266x to json-schema
Input: da9063 - use dev_err_probe()
Input: da9063 - drop redundant prints in probe()
Input: da9063 - simplify obtaining OF match data
Input: as5011 - convert to GPIO descriptor
Input: omap-keypad - drop optional GPIO support
Input: tca6416-keypad - drop unused include
...
- Core: add concept of controller_id to deal with clear Controller/Manager
hierarchy
- bunch of qcom driver refactoring for qcom_swrm_stream_alloc_ports(),
qcom_swrm_stream_alloc_ports() and setting controller id to hw master id
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Merge tag 'soundwire-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
- Core: add concept of controller_id to deal with clear Controller /
Manager hierarchy
- bunch of qcom driver refactoring for qcom_swrm_stream_alloc_ports(),
qcom_swrm_stream_alloc_ports() and setting controller id to hw master
id
* tag 'soundwire-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: amd: drop bus freq calculation and set 'max_clk_freq'
soundwire: generic_bandwidth_allocation use bus->params.max_dr_freq
soundwire: qcom: set controller id to hw master id
soundwire: fix initializing sysfs for same devices on different buses
soundwire: bus: introduce controller_id
soundwire: stream: constify sdw_port_config when adding devices
soundwire: qcom: move sconfig in qcom_swrm_stream_alloc_ports() out of critical section
soundwire: qcom: drop unneeded qcom_swrm_stream_alloc_ports() cleanup
- revert the changes aiming to use a read-write semaphore to protect the
list of GPIO devices due to calls to legacy API taking that lock from
atomic context in old code
- fix inverted logic in DEFINE_FREE() for GPIO device references
- check the return value of bgpio_init() in gpio-mlxbf3
- fix node address in the DT bindings example for gpio-xilinx
- fix signedness bug in gpio-rtd
- fix kernel-doc warnings in gpio-en7523
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Merge tag 'gpio-fixes-for-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"Apart from some regular driver fixes there's a relatively big revert
of the locking changes that were introduced to GPIOLIB in this merge
window.
This is because it turned out that some legacy GPIO interfaces - that
need to translate a number from the global GPIO numberspace to the
address of the relevant descriptor, thus running a GPIO device lookup
and taking the GPIO device list lock - are still used in old code from
atomic context resulting in "scheduling while atomic" errors.
I'll try to make the read-only part of the list access entirely
lockless using SRCU but this will take some time so let's go back to
the old global spinlock for now.
Summary:
- revert the changes aiming to use a read-write semaphore to protect
the list of GPIO devices due to calls to legacy API taking that
lock from atomic context in old code
- fix inverted logic in DEFINE_FREE() for GPIO device references
- check the return value of bgpio_init() in gpio-mlxbf3
- fix node address in the DT bindings example for gpio-xilinx
- fix signedness bug in gpio-rtd
- fix kernel-doc warnings in gpio-en7523"
* tag 'gpio-fixes-for-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: revert the attempt to protect the GPIO device list with an rwsem
gpio: EN7523: fix kernel-doc warnings
gpiolib: Fix scope-based gpio_device refcounting
gpio: mlxbf3: add an error code check in mlxbf3_gpio_probe
dt-bindings: gpio: xilinx: Fix node address in gpio
gpio: rtd: Fix signedness bug in probe
The first commit fixes a duplicate cleanup in an error path introduced
in pwm/for-6.8-rc1~13.
The second cares for an out-of-bounds access. In practise it doesn't
happen---otherwise someone would have noticed since v5.17-rc1 I
guess---because the device tree binding for the two drivers using
of_pwm_single_xlate() only have args->args_count == 1. A device-tree
that doesn't conform to the respective bindings could trigger that
easily however.
The third and last one corrects the request callback of the jz4740 pwm
driver which used dev_err_probe() long after .probe() completed. This is
conceptually wrong because dev_err_probe() might call
device_set_deferred_probe_reason() which is nonsensical after the driver
is bound.
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Merge tag 'pwm/for-6.8-2' of gitolite.kernel.org:pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm fixes from Uwe Kleine-König:
- fix a duplicate cleanup in an error path introduced in
this merge window
- fix an out-of-bounds access
In practise it doesn't happen - otherwise someone would have noticed
since v5.17-rc1 I guess - because the device tree binding for the two
drivers using of_pwm_single_xlate() only have args->args_count == 1.
A device-tree that doesn't conform to the respective bindings could
trigger that easily however.
- correct the request callback of the jz4740 pwm driver which used
dev_err_probe() long after .probe() completed.
This is conceptually wrong because dev_err_probe() might call
device_set_deferred_probe_reason() which is nonsensical after the
driver is bound.
* tag 'pwm/for-6.8-2' of gitolite.kernel.org:pub/scm/linux/kernel/git/ukleinek/linux:
pwm: jz4740: Don't use dev_err_probe() in .request()
pwm: Fix out-of-bounds access in of_pwm_single_xlate()
pwm: bcm2835: Remove duplicate call to clk_rate_exclusive_put()
- Add support for Monolithic Power Systems MP3309C WLED Step-up Converter
- Fix-ups
- Use/convert to new/better APIs/helpers/MACROs instead of hand-rolling implementations
- Device Tree Binding updates
- Demote non-kerneldoc header comments
- Improve error handling; return proper error values, simplify, avoid duplicates, etc
- Convert over to the new (kinda) GPIOD API
- Bug Fixes
- Fix uninitialised local variable
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Merge tag 'backlight-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"New Drivers:
- Add support for Monolithic Power Systems MP3309C WLED Step-up Converter
Fix-ups:
- Use/convert to new/better APIs/helpers/MACROs instead of
hand-rolling implementations
- Device Tree Binding updates
- Demote non-kerneldoc header comments
- Improve error handling; return proper error values, simplify, avoid
duplicates, etc
- Convert over to the new (kinda) GPIOD API
Bug Fixes:
- Fix uninitialised local variable"
* tag 'backlight-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: hx8357: Convert to agnostic GPIO API
backlight: ili922x: Add an error code check in ili922x_write()
backlight: ili922x: Drop kernel-doc for local macros
backlight: mp3309c: Fix uninitialized local variable
backlight: pwm_bl: Use dev_err_probe
backlight: mp3309c: Add support for MPS MP3309C
dt-bindings: backlight: mp3309c: Remove two required properties
Use NUMA_NO_NODE instead of -1 as return value of memblock_search_pfn_nid()
to improve code readability and consistency with the callers of that
function.
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Merge tag 'memblock-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock update from Mike Rapoport:
"Code readability improvement.
Use NUMA_NO_NODE instead of -1 as return value of
memblock_search_pfn_nid() to improve code readability
and consistency with the callers of that function"
* tag 'memblock-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: Return NUMA_NO_NODE instead of -1 to improve code readability
vdpa/mlx5: support for resumable vqs
virtio_scsi: mq_poll support
3virtio_pmem: support SHMEM_REGION
virtio_balloon: stay awake while adjusting balloon
virtio: support for no-reset virtio PCI PM
Fixes, cleanups.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
- vdpa/mlx5: support for resumable vqs
- virtio_scsi: mq_poll support
- 3virtio_pmem: support SHMEM_REGION
- virtio_balloon: stay awake while adjusting balloon
- virtio: support for no-reset virtio PCI PM
- Fixes, cleanups
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vdpa/mlx5: Add mkey leak detection
vdpa/mlx5: Introduce reference counting to mrs
vdpa/mlx5: Use vq suspend/resume during .set_map
vdpa/mlx5: Mark vq state for modification in hw vq
vdpa/mlx5: Mark vq addrs for modification in hw vq
vdpa/mlx5: Introduce per vq and device resume
vdpa/mlx5: Allow modifying multiple vq fields in one modify command
vdpa/mlx5: Expose resumable vq capability
vdpa: Block vq property changes in DRIVER_OK
vdpa: Track device suspended state
scsi: virtio_scsi: Add mq_poll support
virtio_pmem: support feature SHMEM_REGION
virtio_balloon: stay awake while adjusting balloon
vdpa: Remove usage of the deprecated ida_simple_xx() API
virtio: Add support for no-reset virtio PCI PM
virtio_net: fix missing dma unmap for resize
vhost-vdpa: account iommu allocations
vdpa: Fix an error handling path in eni_vdpa_probe()
- Add support for parsing the Coherent Device Attribute Table (CDAT)
- Add support for calculating a platform CXL QoS class from CDAT data
- Unify the tracing of EFI CXL Events with native CXL Events.
- Add Get Timestamp support
- Miscellaneous cleanups and fixups
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Merge tag 'cxl-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL (Compute Express Link) updates from Dan Williams:
"The bulk of this update is support for enumerating the performance
capabilities of CXL memory targets and connecting that to a platform
CXL memory QoS class. Some follow-on work remains to hook up this data
into core-mm policy, but that is saved for v6.9.
The next significant update is unifying how CXL event records (things
like background scrub errors) are processed between so called
"firmware first" and native error record retrieval. The CXL driver
handler that processes the record retrieved from the device mailbox is
now the handler for that same record format coming from an EFI/ACPI
notification source.
This also contains miscellaneous feature updates, like Get Timestamp,
and other fixups.
Summary:
- Add support for parsing the Coherent Device Attribute Table (CDAT)
- Add support for calculating a platform CXL QoS class from CDAT data
- Unify the tracing of EFI CXL Events with native CXL Events.
- Add Get Timestamp support
- Miscellaneous cleanups and fixups"
* tag 'cxl-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (41 commits)
cxl/core: use sysfs_emit() for attr's _show()
cxl/pci: Register for and process CPER events
PCI: Introduce cleanup helpers for device reference counts and locks
acpi/ghes: Process CXL Component Events
cxl/events: Create a CXL event union
cxl/events: Separate UUID from event structures
cxl/events: Remove passing a UUID to known event traces
cxl/events: Create common event UUID defines
cxl/events: Promote CXL event structures to a core header
cxl: Refactor to use __free() for cxl_root allocation in cxl_endpoint_port_probe()
cxl: Refactor to use __free() for cxl_root allocation in cxl_find_nvdimm_bridge()
cxl: Fix device reference leak in cxl_port_perf_data_calculate()
cxl: Convert find_cxl_root() to return a 'struct cxl_root *'
cxl: Introduce put_cxl_root() helper
cxl/port: Fix missing target list lock
cxl/port: Fix decoder initialization when nr_targets > interleave_ways
cxl/region: fix x9 interleave typo
cxl/trace: Pass UUID explicitly to event traces
cxl/region: use %pap format to print resource_size_t
cxl/region: Add dev_dbg() detail on failure to allocate HPA space
...
amdgpu:
- DSC fixes
- DC resource pool fixes
- OTG fix
- DML2 fixes
- Aux fix
- GFX10 RLC firmware handling fix
- Revert a broken workaround for SMU 13.0.2
- DC writeback fix
- Enable gfxoff when ROCm apps are active on gfx11 with the proper FW version
amdkfd:
- Fix dma-buf exports using GEM handles
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Merge tag 'amd-drm-fixes-6.8-2024-01-18' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-fixes-6.8-2024-01-18:
amdgpu:
- DSC fixes
- DC resource pool fixes
- OTG fix
- DML2 fixes
- Aux fix
- GFX10 RLC firmware handling fix
- Revert a broken workaround for SMU 13.0.2
- DC writeback fix
- Enable gfxoff when ROCm apps are active on gfx11 with the proper FW version
amdkfd:
- Fix dma-buf exports using GEM handles
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240118223127.4904-1-alexander.deucher@amd.com
When building with a version of GCC prior to 8.x, there is an error
around non-constant initializer elements:
drivers/power/supply/bq24190_charger.c:1978:16: error: initializer element is not constant
.vbus_desc = bq24190_vbus_desc,
^~~~~~~~~~~~~~~~~
drivers/power/supply/bq24190_charger.c:1978:16: note: (near initialization for 'bq24190_chip_info_tbl[0].vbus_desc')
drivers/power/supply/bq24190_charger.c:1989:16: error: initializer element is not constant
.vbus_desc = bq24190_vbus_desc,
^~~~~~~~~~~~~~~~~
drivers/power/supply/bq24190_charger.c:1989:16: note: (near initialization for 'bq24190_chip_info_tbl[1].vbus_desc')
drivers/power/supply/bq24190_charger.c:2000:16: error: initializer element is not constant
.vbus_desc = bq24190_vbus_desc,
^~~~~~~~~~~~~~~~~
drivers/power/supply/bq24190_charger.c:2000:16: note: (near initialization for 'bq24190_chip_info_tbl[2].vbus_desc')
drivers/power/supply/bq24190_charger.c:2011:16: error: initializer element is not constant
.vbus_desc = bq24190_vbus_desc,
^~~~~~~~~~~~~~~~~
drivers/power/supply/bq24190_charger.c:2011:16: note: (near initialization for 'bq24190_chip_info_tbl[3].vbus_desc')
drivers/power/supply/bq24190_charger.c:2022:16: error: initializer element is not constant
.vbus_desc = bq24296_vbus_desc,
^~~~~~~~~~~~~~~~~
drivers/power/supply/bq24190_charger.c:2022:16: note: (near initialization for 'bq24190_chip_info_tbl[4].vbus_desc')
Clang versions prior to 17.x show a similar error:
drivers/power/supply/bq24190_charger.c:1978:16: error: initializer element is not a compile-time constant
.vbus_desc = bq24190_vbus_desc,
^~~~~~~~~~~~~~~~~
1 error generated.
Newer compilers have decided to accept these structures as compile time
constants as an extension. To resolve this issue for all supported
compilers, change the vbus_desc member in 'struct bq24190_chip_info' to
a pointer, as it is only ever passed by reference anyways, and adjust
the assignments accordingly.
Closes: https://github.com/ClangBuiltLinux/linux/issues/1973
Fixes: b150a703b5 ("power: supply: bq24190_charger: Add support for BQ24296")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Link: https://lore.kernel.org/r/20240103-fix-bq24190_charger-vbus_desc-non-const-v1-1-115ddf798c70@kernel.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
- Add debugfs support, initially used for reporting device migration
state. (Longfang Liu)
- Fixes and support for migration dirty tracking across multiple IOVA
regions in the pds-vfio-pci driver. (Brett Creeley)
- Improved IOMMU allocation accounting visibility. (Pasha Tatashin)
- Virtio infrastructure and a new virtio-vfio-pci variant driver, which
provides emulation of a legacy virtio interfaces on modern virtio
hardware for virtio-net VF devices where the PF driver exposes
support for legacy admin queues, ie. an emulated IO BAR on an SR-IOV
VF to provide driver ABI compatibility to legacy devices.
(Yishai Hadas & Feng Liu)
- Migration fixes for the hisi-acc-vfio-pci variant driver.
(Shameer Kolothum)
- Kconfig dependency fix for new virtio-vfio-pci variant driver.
(Arnd Bergmann)
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Merge tag 'vfio-v6.8-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Add debugfs support, initially used for reporting device migration
state (Longfang Liu)
- Fixes and support for migration dirty tracking across multiple IOVA
regions in the pds-vfio-pci driver (Brett Creeley)
- Improved IOMMU allocation accounting visibility (Pasha Tatashin)
- Virtio infrastructure and a new virtio-vfio-pci variant driver, which
provides emulation of a legacy virtio interfaces on modern virtio
hardware for virtio-net VF devices where the PF driver exposes
support for legacy admin queues, ie. an emulated IO BAR on an SR-IOV
VF to provide driver ABI compatibility to legacy devices (Yishai
Hadas & Feng Liu)
- Migration fixes for the hisi-acc-vfio-pci variant driver (Shameer
Kolothum)
- Kconfig dependency fix for new virtio-vfio-pci variant driver (Arnd
Bergmann)
* tag 'vfio-v6.8-rc1' of https://github.com/awilliam/linux-vfio: (22 commits)
vfio/virtio: fix virtio-pci dependency
hisi_acc_vfio_pci: Update migration data pointer correctly on saving/resume
vfio/virtio: Declare virtiovf_pci_aer_reset_done() static
vfio/virtio: Introduce a vfio driver over virtio devices
vfio/pci: Expose vfio_pci_core_iowrite/read##size()
vfio/pci: Expose vfio_pci_core_setup_barmap()
virtio-pci: Introduce APIs to execute legacy IO admin commands
virtio-pci: Initialize the supported admin commands
virtio-pci: Introduce admin commands
virtio-pci: Introduce admin command sending function
virtio-pci: Introduce admin virtqueue
virtio: Define feature bit for administration virtqueue
vfio/type1: account iommu allocations
vfio/pds: Add multi-region support
vfio/pds: Move seq/ack bitmaps into region struct
vfio/pds: Pass region info to relevant functions
vfio/pds: Move and rename region specific info
vfio/pds: Only use a single SGL for both seq and ack
vfio/pds: Fix calculations in pds_vfio_dirty_sync
MAINTAINERS: Add vfio debugfs interface doc link
...
This brings the first of three planned user IO page table invalidation
operations:
- IOMMU_HWPT_INVALIDATE allows invalidating the IOTLB integrated into the
iommu itself. The Intel implementation will also generate an ATC
invalidation to flush the device IOTLB as it unambiguously knows the
device, but other HW will not.
It goes along with the prior PR to implement userspace IO page tables (aka
nested translation for VMs) to allow Intel to have full functionality for
simple cases. An Intel implementation of the operation is provided.
Fix a small bug in the selftest mock iommu driver probe.
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd updates from Jason Gunthorpe:
"This brings the first of three planned user IO page table invalidation
operations:
- IOMMU_HWPT_INVALIDATE allows invalidating the IOTLB integrated into
the iommu itself. The Intel implementation will also generate an
ATC invalidation to flush the device IOTLB as it unambiguously
knows the device, but other HW will not.
It goes along with the prior PR to implement userspace IO page tables
(aka nested translation for VMs) to allow Intel to have full
functionality for simple cases. An Intel implementation of the
operation is provided.
Also fix a small bug in the selftest mock iommu driver probe"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommufd/selftest: Check the bus type during probe
iommu/vt-d: Add iotlb flush for nested domain
iommufd: Add data structure for Intel VT-d stage-1 cache invalidation
iommufd/selftest: Add coverage for IOMMU_HWPT_INVALIDATE ioctl
iommufd/selftest: Add IOMMU_TEST_OP_MD_CHECK_IOTLB test op
iommufd/selftest: Add mock_domain_cache_invalidate_user support
iommu: Add iommu_copy_struct_from_user_array helper
iommufd: Add IOMMU_HWPT_INVALIDATE
iommu: Add cache_invalidate_user op
Including:
- Core changes:
- Fix race conditions in device probe path
- Retire IOMMU bus_ops
- Support for passing custom allocators to page table drivers
- Clean up Kconfig around IOMMU_SVA
- Support for sharing SVA domains with all devices bound to
a mm
- Firmware data parsing cleanup
- Tracing improvements for iommu-dma code
- Some smaller fixes and cleanups
- ARM-SMMU drivers:
- Device-tree binding updates:
- Add additional compatible strings for Qualcomm SoCs
- Document Adreno clocks for Qualcomm's SM8350 SoC
- SMMUv2:
- Implement support for the ->domain_alloc_paging() callback
- Ensure Secure context is restored following suspend of Qualcomm SMMU
implementation
- SMMUv3:
- Disable stalling mode for the "quiet" context descriptor
- Minor refactoring and driver cleanups
- Intel VT-d driver:
- Cleanup and refactoring
- AMD IOMMU driver:
- Improve IO TLB invalidation logic
- Small cleanups and improvements
- Rockchip IOMMU driver:
- DT binding update to add Rockchip RK3588
- Apple DART driver:
- Apple M1 USB4/Thunderbolt DART support
- Cleanups
- Virtio IOMMU driver:
- Add support for iotlb_sync_map
- Enable deferred IO TLB flushes
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Merge tag 'iommu-updates-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
"Core changes:
- Fix race conditions in device probe path
- Retire IOMMU bus_ops
- Support for passing custom allocators to page table drivers
- Clean up Kconfig around IOMMU_SVA
- Support for sharing SVA domains with all devices bound to a mm
- Firmware data parsing cleanup
- Tracing improvements for iommu-dma code
- Some smaller fixes and cleanups
ARM-SMMU drivers:
- Device-tree binding updates:
- Add additional compatible strings for Qualcomm SoCs
- Document Adreno clocks for Qualcomm's SM8350 SoC
- SMMUv2:
- Implement support for the ->domain_alloc_paging() callback
- Ensure Secure context is restored following suspend of Qualcomm
SMMU implementation
- SMMUv3:
- Disable stalling mode for the "quiet" context descriptor
- Minor refactoring and driver cleanups
Intel VT-d driver:
- Cleanup and refactoring
AMD IOMMU driver:
- Improve IO TLB invalidation logic
- Small cleanups and improvements
Rockchip IOMMU driver:
- DT binding update to add Rockchip RK3588
Apple DART driver:
- Apple M1 USB4/Thunderbolt DART support
- Cleanups
Virtio IOMMU driver:
- Add support for iotlb_sync_map
- Enable deferred IO TLB flushes"
* tag 'iommu-updates-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (66 commits)
iommu: Don't reserve 0-length IOVA region
iommu/vt-d: Move inline helpers to header files
iommu/vt-d: Remove unused vcmd interfaces
iommu/vt-d: Remove unused parameter of intel_pasid_setup_pass_through()
iommu/vt-d: Refactor device_to_iommu() to retrieve iommu directly
iommu/sva: Fix memory leak in iommu_sva_bind_device()
dt-bindings: iommu: rockchip: Add Rockchip RK3588
iommu/dma: Trace bounce buffer usage when mapping buffers
iommu/arm-smmu: Convert to domain_alloc_paging()
iommu/arm-smmu: Pass arm_smmu_domain to internal functions
iommu/arm-smmu: Implement IOMMU_DOMAIN_BLOCKED
iommu/arm-smmu: Convert to a global static identity domain
iommu/arm-smmu: Reorganize arm_smmu_domain_add_master()
iommu/arm-smmu-v3: Remove ARM_SMMU_DOMAIN_NESTED
iommu/arm-smmu-v3: Master cannot be NULL in arm_smmu_write_strtab_ent()
iommu/arm-smmu-v3: Add a type for the STE
iommu/arm-smmu-v3: disable stall for quiet_cd
iommu/qcom: restore IOMMU state if needed
iommu/arm-smmu-qcom: Add QCM2290 MDSS compatible
iommu/arm-smmu-qcom: Add missing GMU entry to match table
...
- Enable percpu page allocator for risc-v. There are risc-v
configurations with sparse NUMA configurations and small vmalloc
space causing dynamic percpu allocations to fail as the backing chunk
stride is too far apart.
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Merge tag 'percpu-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
Pull percpu updates from Dennis Zhou:
"Enable percpu page allocator for RISC-V.
There are RISC-V configurations with sparse NUMA configurations and
small vmalloc space causing dynamic percpu allocations to fail as the
backing chunk stride is too far apart"
* tag 'percpu-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
riscv: Enable pcpu page first chunk allocator
mm: Introduce flush_cache_vmap_early()
- Hard-code the inodes for eventfs to the same number for files, and
the same number for directories.
- Have getdent() not create dentries/inodes in iterate_shared() as now
it has hard-coded inode numbers
- Use kcalloc() instead of kzalloc() on a list of elements
- Fix seq_buf warning and make static work properly.
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Merge tag 'eventfs-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull eventfs updates from Steven Rostedt:
- Remove "lookup" parameter of create_dir_dentry() and
create_file_dentry(). These functions were called by lookup and the
readdir logic, where readdir needed it to up the ref count of the
dentry but the lookup did not. A "lookup" parameter was passed in to
tell it what to do, but this complicated the code. It is better to
just always up the ref count and require the caller to decrement it,
even for lookup.
- Modify the .iterate_shared callback to not use the dcache_readdir()
logic and just handle what gets displayed by that one function. This
removes the need for eventfs to hijack the file->private_data from
the dcache_readdir() "cursor" pointer, and makes the code a bit more
sane
- Use the root and instance inodes for default ownership. Instead of
walking the dentry tree and updating each dentry gid, use the
getattr(), setattr() and permission() callbacks to set the ownership
and permissions using the root or instance as the default
- Some other optimizations with the eventfs iterate_shared logic
- Hard-code the inodes for eventfs to the same number for files, and
the same number for directories
- Have getdent() not create dentries/inodes in iterate_shared() as now
it has hard-coded inode numbers
- Use kcalloc() instead of kzalloc() on a list of elements
- Fix seq_buf warning and make static work properly.
* tag 'eventfs-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
seq_buf: Make DECLARE_SEQ_BUF() usable
eventfs: Use kcalloc() instead of kzalloc()
eventfs: Do not create dentries nor inodes in iterate_shared
eventfs: Have the inodes all for files and directories all be the same
eventfs: Shortcut eventfs_iterate() by skipping entries already read
eventfs: Read ei->entries before ei->children in eventfs_iterate()
eventfs: Do ctx->pos update for all iterations in eventfs_iterate()
eventfs: Have eventfs_iterate() stop immediately if ei->is_freed is set
tracefs/eventfs: Use root and instance inodes as default ownership
eventfs: Stop using dcache_readdir() for getdents()
eventfs: Remove "lookup" parameter from create_dir/file_dentry()
- Allow kernel trace instance creation to specify what events are created
Inside the kernel, a subsystem may create a tracing instance that it can
use to send events to user space. This sub-system may not care about the
thousands of events that exist in eventfs. Allow the sub-system to specify
what sub-systems of events it cares about, and only those events are exposed
to this instance.
- Allow the ring buffer to be broken up into bigger sub-buffers than just the
architecture page size. A new tracefs file called "buffer_subbuf_size_kb"
is created. The user can now specify a minimum size the sub-buffer may be
in kilobytes. Note, that the implementation currently make the sub-buffer
size a power of 2 pages (1, 2, 4, 8, 16, ...) but the user only writes in
kilobyte size, and the sub-buffer will be updated to the next size that
it will can accommodate it. If the user writes in 10, it will change the
size to be 4 pages on x86 (16K), as that is the next available size that
can hold 10K pages.
- Update the debug output when a corrupt time is detected in the ring buffer.
If the ring buffer detects inconsistent timestamps, there's a debug config
options that will dump the contents of the meta data of the sub-buffer that
is used for debugging. Add some more information to this dump that helps
with debugging.
- Add more timestamp debugging checks (only triggers when the config is enabled)
- Increase the trace_seq iterator to 2 page sizes.
- Allow strings written into tracefs_marker to be larger. Up to just under
2 page sizes (based on what trace_seq can hold).
- Increase the trace_maker_raw write to be as big as a sub-buffer can hold.
- Remove 32 bit time stamp logic, now that the rb_time_cmpxchg() has been
removed.
- More selftests were added.
- Some code clean ups as well.
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Merge tag 'trace-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing updates from Steven Rostedt:
- Allow kernel trace instance creation to specify what events are
created
Inside the kernel, a subsystem may create a tracing instance that it
can use to send events to user space. This sub-system may not care
about the thousands of events that exist in eventfs. Allow the
sub-system to specify what sub-systems of events it cares about, and
only those events are exposed to this instance.
- Allow the ring buffer to be broken up into bigger sub-buffers than
just the architecture page size.
A new tracefs file called "buffer_subbuf_size_kb" is created. The
user can now specify a minimum size the sub-buffer may be in
kilobytes. Note, that the implementation currently make the
sub-buffer size a power of 2 pages (1, 2, 4, 8, 16, ...) but the user
only writes in kilobyte size, and the sub-buffer will be updated to
the next size that it will can accommodate it. If the user writes in
10, it will change the size to be 4 pages on x86 (16K), as that is
the next available size that can hold 10K pages.
- Update the debug output when a corrupt time is detected in the ring
buffer. If the ring buffer detects inconsistent timestamps, there's a
debug config options that will dump the contents of the meta data of
the sub-buffer that is used for debugging. Add some more information
to this dump that helps with debugging.
- Add more timestamp debugging checks (only triggers when the config is
enabled)
- Increase the trace_seq iterator to 2 page sizes.
- Allow strings written into tracefs_marker to be larger. Up to just
under 2 page sizes (based on what trace_seq can hold).
- Increase the trace_maker_raw write to be as big as a sub-buffer can
hold.
- Remove 32 bit time stamp logic, now that the rb_time_cmpxchg() has
been removed.
- More selftests were added.
- Some code clean ups as well.
* tag 'trace-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (29 commits)
ring-buffer: Remove stale comment from ring_buffer_size()
tracing histograms: Simplify parse_actions() function
tracing/selftests: Remove exec permissions from trace_marker.tc test
ring-buffer: Use subbuf_order for buffer page masking
tracing: Update subbuffer with kilobytes not page order
ringbuffer/selftest: Add basic selftest to test changing subbuf order
ring-buffer: Add documentation on the buffer_subbuf_order file
ring-buffer: Just update the subbuffers when changing their allocation order
ring-buffer: Keep the same size when updating the order
tracing: Stop the tracing while changing the ring buffer subbuf size
tracing: Update snapshot order along with main buffer order
ring-buffer: Make sure the spare sub buffer used for reads has same size
ring-buffer: Do no swap cpu buffers if order is different
ring-buffer: Clear pages on error in ring_buffer_subbuf_order_set() failure
ring-buffer: Read and write to ring buffers with custom sub buffer size
ring-buffer: Set new size of the ring buffer sub page
ring-buffer: Add interface for configuring trace sub buffer size
ring-buffer: Page size per ring buffer
ring-buffer: Have ring_buffer_print_page_header() be able to access ring_buffer_iter
ring-buffer: Check if absolute timestamp goes backwards
...
- Kprobes trace event to show the actual function name in notrace-symbol
warning. Instead of using user specified symbol name, use "%ps" printk
format to show the actual symbol at the probe address. Since kprobe
event accepts the offset from symbol which is bigger than the symbol
size, user specified symbol may not be the actual probed symbol.
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Merge tag 'probes-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes update from Masami Hiramatsu:
- Update the Kprobes trace event to show the actual function name in
notrace-symbol warning.
Instead of using the user specified symbol name, use "%ps" printk
format to show the actual symbol at the probe address. Since kprobe
event accepts the offset from symbol which is bigger than the symbol
size, the user specified symbol may not be the actual probed symbol.
* tag 'probes-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
trace/kprobe: Display the actual notrace function when rejecting a probe
- do not enable by default the support of 31-bit Enterprise Systems
Architecture (ESA) ELF binaries
- drop automatic CONFIG_KEXEC selection, while set CONFIG_KEXEC=y
explicitly for defconfig and debug_defconfig only
- fix zpci_get_max_io_size() to allow PCI block stores where
normal PCI stores were used otherwise
- remove unneeded tsk variable in do_exception() fault handler
- __load_fpu_regs() is only called from the core kernel code.
Therefore, remove not needed EXPORT_SYMBOL.
- remove leftover comment from s390_fpregs_set() callback
- few cleanups to Processor Activity Instrumentation (PAI) code
(which perf framework is based on)
- replace Wenjia Zhang with Thorsten Winkler as s390 Inter-User
Communication Vehicle (IUCV) networking maintainer
- Fix all scenarios where queues previously removed from a guest's
Adjunct-Processor (AP) configuration do not re-appear in a reset
state when they are subsequently made available to a guest again
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Merge tag 's390-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Alexander Gordeev:
- do not enable by default the support of 31-bit Enterprise Systems
Architecture (ESA) ELF binaries
- drop automatic CONFIG_KEXEC selection, while set CONFIG_KEXEC=y
explicitly for defconfig and debug_defconfig only
- fix zpci_get_max_io_size() to allow PCI block stores where normal PCI
stores were used otherwise
- remove unneeded tsk variable in do_exception() fault handler
- __load_fpu_regs() is only called from the core kernel code.
Therefore, remove not needed EXPORT_SYMBOL.
- remove leftover comment from s390_fpregs_set() callback
- few cleanups to Processor Activity Instrumentation (PAI) code (which
perf framework is based on)
- replace Wenjia Zhang with Thorsten Winkler as s390 Inter-User
Communication Vehicle (IUCV) networking maintainer
- Fix all scenarios where queues previously removed from a guest's
Adjunct-Processor (AP) configuration do not re-appear in a reset
state when they are subsequently made available to a guest again
* tag 's390-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/vfio-ap: do not reset queue removed from host config
s390/vfio-ap: reset queues associated with adapter for queue unbound from driver
s390/vfio-ap: reset queues filtered from the guest's AP config
s390/vfio-ap: let on_scan_complete() callback filter matrix and update guest's APCB
s390/vfio-ap: loop over the shadow APCB when filtering guest's AP configuration
s390/vfio-ap: always filter entire AP matrix
s390/net: add Thorsten Winkler as maintainer
s390/pai_ext: split function paiext_push_sample
s390/pai_ext: rework function paiext_copy argments
s390/pai: rework paiXXX_start and paiXXX_stop functions
s390/pai_crypto: split function paicrypt_push_sample
s390/pai: rework paixxxx_getctr interface
s390/ptrace: remove leftover comment
s390/fpu: remove __load_fpu_regs() export
s390/mm,fault: remove not needed tsk variable
s390/pci: fix max size calculation in zpci_memcpy_toio()
s390/kexec: do not automatically select KEXEC option
s390/compat: change default for CONFIG_COMPAT to "n"
commit 66f1e68093 ("riscv: Make XIP bootable again") restricted page
offset to the sv39 page offset instead of the default sv57, which makes
sense since probably the platforms that target XIP kernels do not
support anything else than sv39 and we do not try to find out the
largest address space supported on XIP kernels (ie set_satp_mode()).
But PAGE_OFFSET_L3 is not defined for rv32, so fix the build error by
restoring the previous behaviour which picks CONFIG_PAGE_OFFSET for rv32.
Fixes: 66f1e68093 ("riscv: Make XIP bootable again")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Closes: https://lore.kernel.org/linux-riscv/344dca85-5c48-44e1-bc64-4fa7973edd12@infradead.org/T/#u
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lore.kernel.org/r/20240118212120.2087803-1-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
On GFX version 11, GFXOFF was disabled due to a MES KIQ firmware
issue, which has since been fixed after version 64.
This patch only re-enables GFXOFF for GFX version 11 if the GPU's
MES KIQ firmware version is newer than version 64.
V2: Keep GFXOFF disabled on GFX11 if MES KIQ is below version 64.
V3: Add parentheses to avoid GCC warning for parentheses:
"suggest parentheses around comparison in operand of ‘&’"
V4: Remove "V3" from commit title
V5: Change commit description and insert 'Acked-by'
Signed-off-by: Ori Messinger <Ori.Messinger@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Return value of 'to_amdgpu_crtc' which is container_of(...) can't be
null, so it's null check 'acrtc' is dropped.
Fixing the below:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:9302 amdgpu_dm_atomic_commit_tail() error: we previously assumed 'acrtc' could be null (see line 9299)
Added 'new_crtc_state' NULL check for function
'drm_atomic_get_new_crtc_state' that retrieves the new state for a CRTC,
while enabling writeback requests.
Cc: stable@vger.kernel.org
Cc: Alex Hung <alex.hung@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Calling amdgpu_device_ip_resume_phase1() during shutdown leaves the
HW in an active state and is an unbalanced use of the IP callbacks.
Using the IP callbacks like this can lead to memory leaks, double
free and imbalanced reference counters.
Leaving the HW in an active state can lead to DMA accesses to memory now
freed by the driver.
Both is a complete no-go for driver unload so completely revert the
workaround for now.
This reverts commit f5c7e77970.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
otherwise drm_client_dev_unregister() would try to
kfree(&adev->kfd.client).
Fixes: 1819200166 ("drm/amdkfd: Export DMABufs from KFD using GEM handles")
Signed-off-by: Flora Cui <flora.cui@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Jan Kuliga