Commit 7583b63c34 ("powerpc/40x: Remove STB03xxx") removes the config
STB03xxx, but left a reference in ./drivers/usb/Kconfig behind.
Hence, ./scripts/checkkconfigsymbols.py warns:
STB03xxx
Referencing files: drivers/usb/Kconfig
Remove this reference to the deleted config.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20210818071137.22711-4-lukas.bulwahn@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 71ed79b0e4 ("USB: Move wusbcore and UWB to staging as it is
obsolete") misses to adjust some part in ./drivers/usb/host/Makefile.
Hence, ./scripts/checkkconfigsymbols.py warns:
USB_HWA_HCD
Referencing files: drivers/usb/Makefile
Remove the missing piece of this code removal.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20210818071137.22711-3-lukas.bulwahn@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 1b00767fd8 ("MIPS: Remove PMC MSP71xx platform") deletes
./arch/mips/pmcs-msp71xx/Kconfig, including its config MSP_HAS_USB.
Hence, since then, the corresponding EHCI support for on-chip PMC MSP71xx
USB controller is dead code. Remove this dead driver.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20210818071137.22711-2-lukas.bulwahn@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
On DWC_usb3 revisions 3.00a and newer (including DWC_usb31 and
DWC_usb32) the GUCTL1 register gained the DEV_DECOUPLE_L1L2_EVT
field (bit 31) which when enabled allows the controller in device
mode to treat USB 2.0 L1 LPM & L2 events separately.
After commit d1d90dd272 ("usb: dwc3: gadget: Enable suspend
events") the controller will now receive events (and therefore
interrupts) for every state change when entering/exiting either
L1 or L2 states. Since L1 is handled entirely by the hardware
and requires no software intervention, there is no need to even
enable these events and unnecessarily notify the gadget driver.
Enable the aforementioned bit to help reduce the overall interrupt
count for these L1 events that don't need to be handled while
retaining the events for full L2 suspend/wakeup.
Tested-by: Jun Li <jun.li@nxp.com>
Tested-by: Amit Pundir <amit.pundir@linaro.org> # for RB5 (sm8250)
Tested-by: John Stultz <john.stultz@linaro.org> # for HiKey960 & db845c
Reviewed-by: Jun Li <jun.li@nxp.com>
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Jack Pham <jackp@codeaurora.org>
Link: https://lore.kernel.org/r/20210812082635.12924-1-jackp@codeaurora.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver neglects to check the result of platform_get_irq()'s call and
blithely passes the negative error codes to request_threaded_irq() (which
takes *unsigned* IRQ #), causing it to fail with -EINVAL, overriding an
original error code. Stop calling request_threaded_irq() with the invalid
IRQ #s.
Fixes: 9ba96ae507 ("usb: omap1: Tahvo USB transceiver driver")
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/8280d6a4-8e9a-7cfe-1aa9-db586dc9afdf@omp.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver neglects to check the result of platform_get_irq()'s call and
blithely passes the negative error codes to usb_add_hcd() (which takes
*unsigned* IRQ #), causing request_irq() that it calls to fail with
-EINVAL, overriding an original error code. Stop calling usb_add_hcd()
with the invalid IRQ #s.
Fixes: 78c73414f4 ("USB: ohci: add support for tmio-ohci cell")
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/402e1a45-a0a4-0e08-566a-7ca1331506b1@omp.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Fix crashes coming out of nap on 32-bit Book3s (eg. powerbooks).
- Fix critical and debug interrupts on BookE, seen as crashes when using ptrace.
- Fix an oops when running an SMP kernel on a UP system.
- Update pseries LPAR security flavor after partition migration.
- Fix an oops when using kprobes on BookE.
- Fix oops on 32-bit pmac by not calling do_IRQ() from timer_interrupt().
- Fix softlockups on CPU hotplug into a CPU-less node with xive (P9).
Thanks to: Cédric Le Goater, Christophe Leroy, Finn Thain, Geetika Moolchandani, Laurent
Dufour, Laurent Vivier, Nicholas Piggin, Pu Lehui, Radu Rendec, Srikar Dronamraju, Stan
Johnson.
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Merge tag 'powerpc-5.14-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix crashes coming out of nap on 32-bit Book3s (eg. powerbooks).
- Fix critical and debug interrupts on BookE, seen as crashes when
using ptrace.
- Fix an oops when running an SMP kernel on a UP system.
- Update pseries LPAR security flavor after partition migration.
- Fix an oops when using kprobes on BookE.
- Fix oops on 32-bit pmac by not calling do_IRQ() from
timer_interrupt().
- Fix softlockups on CPU hotplug into a CPU-less node with xive (P9).
Thanks to Cédric Le Goater, Christophe Leroy, Finn Thain, Geetika
Moolchandani, Laurent Dufour, Laurent Vivier, Nicholas Piggin, Pu Lehui,
Radu Rendec, Srikar Dronamraju, and Stan Johnson.
* tag 'powerpc-5.14-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/xive: Do not skip CPU-less nodes when creating the IPIs
powerpc/interrupt: Do not call single_step_exception() from other exceptions
powerpc/interrupt: Fix OOPS by not calling do_IRQ() from timer_interrupt()
powerpc/kprobes: Fix kprobe Oops happens in booke
powerpc/pseries: Fix update of LPAR security flavor after LPM
powerpc/smp: Fix OOPS in topology_init()
powerpc/32: Fix critical and debug interrupts on BOOKE
powerpc/32s: Fix napping restore in data storage interrupt (DSI)
- Mask all MSI-X entries when enabling MSI-X otherwise stale unmasked
entries stay around e.g. when a crashkernel is booted.
- Enforce masking of a MSI-X table entry when updating it, which mandatory
according to speification
- Ensure that writes to MSI[-X} tables are flushed.
- Prevent invalid bits being set in the MSI mask register
- Properly serialize modifications to the mask cache and the mask register
for multi-MSI.
- Cure the violation of the affinity setting rules on X86 during interrupt
startup which can cause lost and stale interrupts. Move the initial
affinity setting ahead of actualy enabling the interrupt.
- Ensure that MSI interrupts are completely torn down before freeing them
in the error handling case.
- Prevent an array out of bounds access in the irq timings code.
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Merge tag 'irq-urgent-2021-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A set of fixes for PCI/MSI and x86 interrupt startup:
- Mask all MSI-X entries when enabling MSI-X otherwise stale unmasked
entries stay around e.g. when a crashkernel is booted.
- Enforce masking of a MSI-X table entry when updating it, which
mandatory according to speification
- Ensure that writes to MSI[-X} tables are flushed.
- Prevent invalid bits being set in the MSI mask register
- Properly serialize modifications to the mask cache and the mask
register for multi-MSI.
- Cure the violation of the affinity setting rules on X86 during
interrupt startup which can cause lost and stale interrupts. Move
the initial affinity setting ahead of actualy enabling the
interrupt.
- Ensure that MSI interrupts are completely torn down before freeing
them in the error handling case.
- Prevent an array out of bounds access in the irq timings code"
* tag 'irq-urgent-2021-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
driver core: Add missing kernel doc for device::msi_lock
genirq/msi: Ensure deactivation on teardown
genirq/timings: Prevent potential array overflow in __irq_timings_store()
x86/msi: Force affinity setup before startup
x86/ioapic: Force affinity setup before startup
genirq: Provide IRQCHIP_AFFINITY_PRE_STARTUP
PCI/MSI: Protect msi_desc::masked for multi-MSI
PCI/MSI: Use msi_mask_irq() in pci_msi_shutdown()
PCI/MSI: Correct misleading comments
PCI/MSI: Do not set invalid bits in MSI mask
PCI/MSI: Enforce MSI[X] entry updates to be visible
PCI/MSI: Enforce that MSI-X table entry is masked for update
PCI/MSI: Mask all unused MSI-X entries
PCI/MSI: Enable and mask MSI-X early
A batch of fixes for the arm64 stub image loader:
- fix a logic bug that can make the random page allocator fail
spuriously
- force reallocation of the Image when it overlaps with firmware
reserved memory regions
- fix an oversight that defeated on optimization introduced earlier
where images loaded at a suitable offset are never moved if booting
without randomization
- complain about images that were not loaded at the right offset by the
firmware image loader.
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Merge tag 'efi_urgent_for_v5.14_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Borislav Petkov:
"A batch of fixes for the arm64 stub image loader:
- fix a logic bug that can make the random page allocator fail
spuriously
- force reallocation of the Image when it overlaps with firmware
reserved memory regions
- fix an oversight that defeated on optimization introduced earlier
where images loaded at a suitable offset are never moved if booting
without randomization
- complain about images that were not loaded at the right offset by
the firmware image loader"
* tag 'efi_urgent_for_v5.14_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/libstub: arm64: Double check image alignment at entry
efi/libstub: arm64: Warn when efi_random_alloc() fails
efi/libstub: arm64: Relax 2M alignment again for relocatable kernels
efi/libstub: arm64: Force Image reallocation if BSS was not reserved
arm64: efi: kaslr: Fix occasional random alloc (and boot) failure
version
- Fix resctrl default monitoring groups reporting when new subgroups get
created
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Merge tag 'x86_urgent_for_v5.14_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
"Two fixes:
- An objdump checker fix to ignore parenthesized strings in the
objdump version
- Fix resctrl default monitoring groups reporting when new subgroups
get created"
* tag 'x86_urgent_for_v5.14_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/resctrl: Fix default monitoring groups reporting
x86/tools: Fix objdump version check again
- Plug race between enabling MTE and creating vcpus
- Fix off-by-one bug when checking whether an address range is RAM
x86:
- Fixes for the new MMU, especially a memory leak on hosts with <39
physical address bits
- Remove bogus EFER.NX checks on 32-bit non-PAE hosts
- WAITPKG fix
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"ARM:
- Plug race between enabling MTE and creating vcpus
- Fix off-by-one bug when checking whether an address range is RAM
x86:
- Fixes for the new MMU, especially a memory leak on hosts with <39
physical address bits
- Remove bogus EFER.NX checks on 32-bit non-PAE hosts
- WAITPKG fix"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86/mmu: Protect marking SPs unsync when using TDP MMU with spinlock
KVM: x86/mmu: Don't step down in the TDP iterator when zapping all SPTEs
KVM: x86/mmu: Don't leak non-leaf SPTEs when zapping all SPTEs
KVM: nVMX: Use vmx_need_pf_intercept() when deciding if L0 wants a #PF
kvm: vmx: Sync all matching EPTPs when injecting nested EPT fault
KVM: x86: remove dead initialization
KVM: x86: Allow guest to set EFER.NX=1 on non-PAE 32-bit kernels
KVM: VMX: Use current VMCS to query WAITPKG support for MSR emulation
KVM: arm64: Fix race when enabling KVM_ARM_CAP_MTE
KVM: arm64: Fix off-by-one in range_is_memory
Three minor fixes, all in drivers.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Three minor fixes, all in drivers"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: mpt3sas: Fix incorrectly assigned error return and check
scsi: storvsc: Log TEST_UNIT_READY errors as warnings
scsi: lpfc: Move initialization of phba->poll_list earlier to avoid crash
- Fix support for NFIT "virtual" ranges (BIOS-defined memory disks)
- Fix recovery from failed label storage areas on NVDIMM devices
- Miscellaneous cleanups from Ira's investigation of dax_direct_access
paths preparing for stray-write protection.
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Merge tag 'libnvdimm-fixes-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"A couple of fixes for long standing bugs, a warning fixup, and some
miscellaneous dax cleanups.
The bugs were recently found due to new platforms looking to use the
ACPI NFIT "virtual" device definition, and new error injection
capabilities to trigger error responses to label area requests. Ira's
cleanups have been long pending, I neglected to send them earlier, and
see no harm in including them now. This has all appeared in -next with
no reported issues.
Summary:
- Fix support for NFIT "virtual" ranges (BIOS-defined memory disks)
- Fix recovery from failed label storage areas on NVDIMM devices
- Miscellaneous cleanups from Ira's investigation of
dax_direct_access paths preparing for stray-write protection"
* tag 'libnvdimm-fixes-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
tools/testing/nvdimm: Fix missing 'fallthrough' warning
libnvdimm/region: Fix label activation vs errors
ACPI: NFIT: Fix support for virtual SPA ranges
dax: Ensure errno is returned from dax_direct_access
fs/dax: Clarify nr_pages to dax_direct_access()
fs/fuse: Remove unneeded kaddr parameter
Here is a single revert of a commit that caused problems in 5.14-rc5 for
5.14-rc6. It has been in linux-next almost all week, and has resolved
the issues that were reported on lots of different systems that were not
the platform that the change was originally tested on (gotta love SoC
cores used in multiple devices from multiple vendors...)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fix from Greg KH:
"A single revert of a commit that caused problems in 5.14-rc5 for
5.14-rc6. It has been in linux-next almost all week, and has resolved
the issues that were reported on lots of different systems that were
not the platform that the change was originally tested on (gotta love
SoC cores used in multiple devices from multiple vendors...)"
* tag 'usb-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
Revert "usb: dwc3: gadget: Use list_replace_init() before traversing lists"
Here are some small IIO driver fixes for reported problems for 5.14-rc6
(no staging driver fixes at the moment).
All of them resolve reported issues and have been in linux-next all week
with no reported problems. Full details are in the shortlog.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull IIO driver fixes from Greg KH:
"Here are some small IIO driver fixes for reported problems for
5.14-rc6 (no staging driver fixes at the moment).
All of them resolve reported issues and have been in linux-next all
week with no reported problems. Full details are in the shortlog"
* tag 'staging-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: adc: Fix incorrect exit of for-loop
iio: humidity: hdc100x: Add margin to the conversion time
dt-bindings: iio: st: Remove wrong items length check
iio: accel: fxls8962af: fix i2c dependency
iio: adis: set GPIO reset pin direction
iio: adc: ti-ads7950: Ensure CS is deasserted after reading channels
iio: accel: fxls8962af: fix potential use of uninitialized symbol
Pull i2c fixes from Wolfram Sang:
"One driver bugfix, a documentation bugfix, and an "uninitialized data"
leak fix for the core"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
Documentation: i2c: add i2c-sysfs into index
i2c: dev: zero out array used for i2c reads from userspace
i2c: iproc: fix race between client unreg and tasklet
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Merge tag 'for-linus-5.14-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"A small cleanup patch and a fix of a rare race in the Xen evtchn
driver"
* tag 'for-linus-5.14-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/events: Fix race in set_evtchn_to_irq
xen/events: remove redundant initialization of variable irq
* A fix to avoid passing -mno-relax to compilers that don't support it.
* A comment fix.
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Merge tag 'riscv-for-linus-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- avoid passing -mno-relax to compilers that don't support it
- a comment fix
* tag 'riscv-for-linus-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Fix comment regarding kernel mapping overlapping with IS_ERR_VALUE
riscv: kexec: do not add '-mno-relax' flag if compiler doesn't support it
- fix to revert to the historic write behavior (Bart Van Assche)
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Merge tag 'configfs-5.14' of git://git.infradead.org/users/hch/configfs
Pull configfs fix from Christoph Hellwig:
- fix to revert to the historic write behavior (Bart Van Assche)
* tag 'configfs-5.14' of git://git.infradead.org/users/hch/configfs:
configfs: restore the kernel v5.13 text attribute write behavior
Merge misc fixes from Andrew Morton:
"7 patches.
Subsystems affected by this patch series: mm (kasan, mm/slub,
mm/madvise, and memcg), and lib"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
lib: use PFN_PHYS() in devmem_is_allowed()
mm/memcg: fix incorrect flushing of lruvec data in obj_stock
mm/madvise: report SIGBUS as -EFAULT for MADV_POPULATE_(READ|WRITE)
mm: slub: fix slub_debug disabling for list of slabs
slub: fix kmalloc_pagealloc_invalid_free unit test
kasan, slub: reset tag when printing address
kasan, kmemleak: reset tags when scanning block
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Merge tag '5.14-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Four CIFS/SMB3 Fixes, all for stable, two relating to deferred close,
and one for the 'modefromsid' mount option (when 'idsfromsid' not
specified)"
* tag '5.14-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Call close synchronously during unlink/rename/lease break.
cifs: Handle race conditions during rename
cifs: use the correct max-length for dentry_path_raw()
cifs: create sd context must be a multiple of 8
This Kselftest fixes update for Linux 5.14-rc6 consists of a single patch
to sgx test to fix Q1 and Q2 calculation.
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Merge tag 'linux-kselftest-fixes-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fix from Shuah Khan:
"A single patch to sgx test to fix Q1 and Q2 calculation"
* tag 'linux-kselftest-fixes-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/sgx: Fix Q1 and Q2 calculation in sigstruct.c
The physical address may exceed 32 bits on 32-bit systems with more than
32 bits of physcial address. Use PFN_PHYS() in devmem_is_allowed(), or
the physical address may overflow and be truncated.
We found this bug when mapping a high addresses through devmem tool,
when CONFIG_STRICT_DEVMEM is enabled on the ARM with ARM_LPAE and devmem
is used to map a high address that is not in the iomem address range, an
unexpected error indicating no permission is returned.
This bug was initially introduced from v2.6.37, and the function was
moved to lib in v5.11.
Link: https://lkml.kernel.org/r/20210731025057.78825-1-wangliang101@huawei.com
Fixes: 087aaffcdf ("ARM: implement CONFIG_STRICT_DEVMEM by disabling access to RAM via /dev/mem")
Fixes: 527701eda5 ("lib: Add a generic version of devmem_is_allowed()")
Signed-off-by: Liang Wang <wangliang101@huawei.com>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Palmer Dabbelt <palmerdabbelt@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Liang Wang <wangliang101@huawei.com>
Cc: Xiaoming Ni <nixiaoming@huawei.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: <stable@vger.kernel.org> [2.6.37+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When mod_objcg_state() is called with a pgdat that is different from
that in the obj_stock, the old lruvec data cached in obj_stock are
flushed out. Unfortunately, they were flushed to the new pgdat and so
the data go to the wrong node. This will screw up the slab data
reported in /sys/devices/system/node/node*/meminfo.
Fix that by flushing the data to the cached pgdat instead.
Link: https://lkml.kernel.org/r/20210802143834.30578-1-longman@redhat.com
Fixes: 68ac5b3c8d ("mm/memcg: cache vmstat data in percpu memcg_stock_pcp")
Signed-off-by: Waiman Long <longman@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Roman Gushchin <guro@fb.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Chris Down <chris@chrisdown.name>
Cc: Yafang Shao <laoar.shao@gmail.com>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Masayoshi Mizuma <msys.mizuma@gmail.com>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Waiman Long <longman@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Doing some extended tests and polishing the man page update for
MADV_POPULATE_(READ|WRITE), I realized that we end up converting also
SIGBUS (via -EFAULT) to -EINVAL, making it look like yet another
madvise() user error.
We want to report only problematic mappings and permission problems that
the user could have know as -EINVAL.
Let's not convert -EFAULT arising due to SIGBUS (or SIGSEGV) to -EINVAL,
but instead indicate -EFAULT to user space. While we could also convert
it to -ENOMEM, using -EFAULT looks more helpful when user space might
want to troubleshoot what's going wrong: MADV_POPULATE_(READ|WRITE) is
not part of an final Linux release and we can still adjust the behavior.
Link: https://lkml.kernel.org/r/20210726154932.102880-1-david@redhat.com
Fixes: 4ca9b3859d ("mm/madvise: introduce MADV_POPULATE_(READ|WRITE) to prefault page tables")
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Jann Horn <jannh@google.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Ram Pai <linuxram@us.ibm.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Vijayanand Jitta reports:
Consider the scenario where CONFIG_SLUB_DEBUG_ON is set and we would
want to disable slub_debug for few slabs. Using boot parameter with
slub_debug=-,slab_name syntax doesn't work as expected i.e; only
disabling debugging for the specified list of slabs. Instead it
disables debugging for all slabs, which is wrong.
This patch fixes it by delaying the moment when the global slub_debug
flags variable is updated. In case a "slub_debug=-,slab_name" has been
passed, the global flags remain as initialized (depending on
CONFIG_SLUB_DEBUG_ON enabled or disabled) and are not simply reset to 0.
Link: https://lkml.kernel.org/r/8a3d992a-473a-467b-28a0-4ad2ff60ab82@suse.cz
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Reported-by: Vijayanand Jitta <vjitta@codeaurora.org>
Reviewed-by: Vijayanand Jitta <vjitta@codeaurora.org>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vinayak Menon <vinmenon@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The unit test kmalloc_pagealloc_invalid_free makes sure that for the
higher order slub allocation which goes to page allocator, the free is
called with the correct address i.e. the virtual address of the head
page.
Commit f227f0faf6 ("slub: fix unreclaimable slab stat for bulk free")
unified the free code paths for page allocator based slub allocations
but instead of using the address passed by the caller, it extracted the
address from the page. Thus making the unit test
kmalloc_pagealloc_invalid_free moot. So, fix this by using the address
passed by the caller.
Should we fix this? I think yes because dev expect kasan to catch these
type of programming bugs.
Link: https://lkml.kernel.org/r/20210802180819.1110165-1-shakeelb@google.com
Fixes: f227f0faf6 ("slub: fix unreclaimable slab stat for bulk free")
Signed-off-by: Shakeel Butt <shakeelb@google.com>
Reported-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Roman Gushchin <guro@fb.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The address still includes the tags when it is printed. With hardware
tag-based kasan enabled, we will get a false positive KASAN issue when
we access metadata.
Reset the tag before we access the metadata.
Link: https://lkml.kernel.org/r/20210804090957.12393-3-Kuan-Ying.Lee@mediatek.com
Fixes: aa1ef4d7b3 ("kasan, mm: reset tags when accessing metadata")
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chinwen Chang <chinwen.chang@mediatek.com>
Cc: Nicholas Tang <nicholas.tang@mediatek.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "kasan, slub: reset tag when printing address", v3.
With hardware tag-based kasan enabled, we reset the tag when we access
metadata to avoid from false alarm.
This patch (of 2):
Kmemleak needs to scan kernel memory to check memory leak. With hardware
tag-based kasan enabled, when it scans on the invalid slab and
dereference, the issue will occur as below.
Hardware tag-based KASAN doesn't use compiler instrumentation, we can not
use kasan_disable_current() to ignore tag check.
Based on the below report, there are 11 0xf7 granules, which amounts to
176 bytes, and the object is allocated from the kmalloc-256 cache. So
when kmemleak accesses the last 256-176 bytes, it causes faults, as those
are marked with KASAN_KMALLOC_REDZONE == KASAN_TAG_INVALID == 0xfe.
Thus, we reset tags before accessing metadata to avoid from false positives.
BUG: KASAN: out-of-bounds in scan_block+0x58/0x170
Read at addr f7ff0000c0074eb0 by task kmemleak/138
Pointer tag: [f7], memory tag: [fe]
CPU: 7 PID: 138 Comm: kmemleak Not tainted 5.14.0-rc2-00001-g8cae8cd89f05-dirty #134
Hardware name: linux,dummy-virt (DT)
Call trace:
dump_backtrace+0x0/0x1b0
show_stack+0x1c/0x30
dump_stack_lvl+0x68/0x84
print_address_description+0x7c/0x2b4
kasan_report+0x138/0x38c
__do_kernel_fault+0x190/0x1c4
do_tag_check_fault+0x78/0x90
do_mem_abort+0x44/0xb4
el1_abort+0x40/0x60
el1h_64_sync_handler+0xb4/0xd0
el1h_64_sync+0x78/0x7c
scan_block+0x58/0x170
scan_gray_list+0xdc/0x1a0
kmemleak_scan+0x2ac/0x560
kmemleak_scan_thread+0xb0/0xe0
kthread+0x154/0x160
ret_from_fork+0x10/0x18
Allocated by task 0:
kasan_save_stack+0x2c/0x60
__kasan_kmalloc+0xec/0x104
__kmalloc+0x224/0x3c4
__register_sysctl_paths+0x200/0x290
register_sysctl_table+0x2c/0x40
sysctl_init+0x20/0x34
proc_sys_init+0x3c/0x48
proc_root_init+0x80/0x9c
start_kernel+0x648/0x6a4
__primary_switched+0xc0/0xc8
Freed by task 0:
kasan_save_stack+0x2c/0x60
kasan_set_track+0x2c/0x40
kasan_set_free_info+0x44/0x54
____kasan_slab_free.constprop.0+0x150/0x1b0
__kasan_slab_free+0x14/0x20
slab_free_freelist_hook+0xa4/0x1fc
kfree+0x1e8/0x30c
put_fs_context+0x124/0x220
vfs_kern_mount.part.0+0x60/0xd4
kern_mount+0x24/0x4c
bdev_cache_init+0x70/0x9c
vfs_caches_init+0xdc/0xf4
start_kernel+0x638/0x6a4
__primary_switched+0xc0/0xc8
The buggy address belongs to the object at ffff0000c0074e00
which belongs to the cache kmalloc-256 of size 256
The buggy address is located 176 bytes inside of
256-byte region [ffff0000c0074e00, ffff0000c0074f00)
The buggy address belongs to the page:
page:(____ptrval____) refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x100074
head:(____ptrval____) order:2 compound_mapcount:0 compound_pincount:0
flags: 0xbfffc0000010200(slab|head|node=0|zone=2|lastcpupid=0xffff|kasantag=0x0)
raw: 0bfffc0000010200 0000000000000000 dead000000000122 f5ff0000c0002300
raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0000c0074c00: f0 f0 f0 f0 f0 f0 f0 f0 f0 fe fe fe fe fe fe fe
ffff0000c0074d00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
>ffff0000c0074e00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 fe fe fe fe fe
^
ffff0000c0074f00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
ffff0000c0075000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Disabling lock debugging due to kernel taint
kmemleak: 181 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
Link: https://lkml.kernel.org/r/20210804090957.12393-1-Kuan-Ying.Lee@mediatek.com
Link: https://lkml.kernel.org/r/20210804090957.12393-2-Kuan-Ying.Lee@mediatek.com
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Marco Elver <elver@google.com>
Cc: Nicholas Tang <nicholas.tang@mediatek.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Chinwen Chang <chinwen.chang@mediatek.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'block-5.14-2021-08-13' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A few fixes for block that should go into 5.14:
- Revert the mq-deadline cgroup addition. More work is needed on this
front, let's revert it for now and get it right before having it in
a released kernel (Tejun)
- blk-iocost lockdep fix (Ming)
- nbd double completion fix (Xie)
- Fix for non-idling when clearing the shared tag flag (Yu)"
* tag 'block-5.14-2021-08-13' of git://git.kernel.dk/linux-block:
nbd: Aovid double completion of a request
blk-mq: clear active_queues before clearing BLK_MQ_F_TAG_QUEUE_SHARED
Revert "block/mq-deadline: Add cgroup support"
blk-iocost: fix lockdep warning on blkcg->lock
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Merge tag 'io_uring-5.14-2021-08-13' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"A bit bigger than the previous weeks, but mostly just a few stable
bound fixes. In detail:
- Followup fixes to patches from last week for io-wq, turns out they
weren't complete (Hao)
- Two lockdep reported fixes out of the RT camp (me)
- Sync the io_uring-cp example with liburing, as a few bug fixes
never made it to the kernel carried version (me)
- SQPOLL related TIF_NOTIFY_SIGNAL fix (Nadav)
- Use WRITE_ONCE() when writing sq flags (Nadav)
- io_rsrc_put_work() deadlock fix (Pavel)"
* tag 'io_uring-5.14-2021-08-13' of git://git.kernel.dk/linux-block:
tools/io_uring/io_uring-cp: sync with liburing example
io_uring: fix ctx-exit io_rsrc_put_work() deadlock
io_uring: drop ctx->uring_lock before flushing work item
io-wq: fix IO_WORKER_F_FIXED issue in create_io_worker()
io-wq: fix bug of creating io-wokers unconditionally
io_uring: rsrc ref lock needs to be IRQ safe
io_uring: Use WRITE_ONCE() when writing to sq_flags
io_uring: clear TIF_NOTIFY_SIGNAL when running task work
- Fix the Kconfig dependency for Qualcomm SM8350 pin
controller.
- Fix pin biasing fallback behaviour on the Mediatek pin
controller.
- Fix the GPIO numbering scheme for Intel Tiger Lake-H
to correspond to the products that are now actually out
on the market.
- Fix a pin control function itemization in the Sunxi driver
out-of-bounds access bug.
- Fix disable clocking for the RISC-V K210 pin controller on
the errorpath.
- Fix a system shutdown bug affecting AMD Ryzen-based laptops,
the system would not suspend but just bounce back up.
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Merge tag 'pinctrl-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"An assortment of pin control fixes of varying importance, the most
important ones affecting Intel and AMD laptops turned up the recent
few days so it's time to push this to your tree.
- Fix the Kconfig dependency for Qualcomm SM8350 pin controller
- Fix pin biasing fallback behaviour on the Mediatek pin controller
- Fix the GPIO numbering scheme for Intel Tiger Lake-H to correspond
to the products that are now actually out on the market
- Fix a pin control function itemization in the Sunxi driver
out-of-bounds access bug
- Fix disable clocking for the RISC-V K210 pin controller on the
errorpath
- Fix a system shutdown bug affecting AMD Ryzen-based laptops, the
system would not suspend but just bounce back up"
* tag 'pinctrl-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: amd: Fix an issue with shutdown when system set to s0ix
pinctrl: k210: Fix k210_fpioa_probe()
pinctrl: sunxi: Don't underestimate number of functions
pinctrl: tigerlake: Fix GPIO mapping for newer version of software
pinctrl: mediatek: Fix fallback behavior for bias_set_combo
pinctrl: qcom: fix GPIOLIB dependencies
There is a race between iterating over requests in
nbd_clear_que() and completing requests in recv_work(),
which can lead to double completion of a request.
To fix it, flush the recv worker before iterating over
the requests and don't abort the completed request
while iterating.
Fixes: 96d97e1782 ("nbd: clear_sock on netlink disconnect")
Reported-by: Jiang Yadong <jiangyadong@bytedance.com>
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Link: https://lore.kernel.org/r/20210813151330.96-1-xieyongji@bytedance.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This example is missing a few fixes that are in the liburing version,
synchronize with the upstream version.
Reported-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We run a test that delete and recover devcies frequently(two devices on
the same host), and we found that 'active_queues' is super big after a
period of time.
If device a and device b share a tag set, and a is deleted, then
blk_mq_exit_queue() will clear BLK_MQ_F_TAG_QUEUE_SHARED because there
is only one queue that are using the tag set. However, if b is still
active, the active_queues of b might never be cleared even if b is
deleted.
Thus clear active_queues before BLK_MQ_F_TAG_QUEUE_SHARED is cleared.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20210731062130.1533893-1-yukuai3@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
soc_device_match() is intended as a last resort, to handle e.g. quirks
that cannot be handled by matching based on a compatible value.
As the device nodes for the Renesas USB 3.0 Peripheral Controller on
R-Car E3 and RZ/G2E do have SoC-specific compatible values, the latter
can and should be used to match against these devices.
This also fixes support for the USB 3.0 Peripheral Controller on the
R-Car E3e (R8A779M6) SoC, which is a different grading of the R-Car E3
(R8A77990) SoC, using the same SoC-specific compatible value.
Fixes: 30025efa8b ("usb: gadget: udc: renesas_usb3: add support for r8a77990")
Fixes: 546970fdab ("usb: gadget: udc: renesas_usb3: add support for r8a774c0")
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/760981fb4cd110d7cbfc9dcffa365e7c8b25c6e5.1628696960.git.geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Even if the Type-C controller supports PD, it is doable to disable PD
capabilities with the current state machine in TCPM. Without enabling RX
in low-level drivers and with skipping the power negotiation, the port
is eligible to be a non-PD Type-C port. Use new flags whose values are
populated from the device tree to decide the port PD capability. Adding
"pd-disable" property in device tree indicates that the port does not
support PD. If PD is not supported, the device tree property
"typec-power-opmode" shall be added to specify the advertised Rp value
if the port supports SRC role.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Kyle Tso <kyletso@google.com>
Link: https://lore.kernel.org/r/20210804081917.3390341-3-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Set "pd-disable" property if the Type-C connector has no power
delivery support.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kyle Tso <kyletso@google.com>
Link: https://lore.kernel.org/r/20210804081917.3390341-2-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
usb_endpoint_maxp() only returns the bit[10:0] of wMaxPacketSize
of endpoint descriptor, not includes bit[12:11] anymore, so use
usb_endpoint_maxp_mult() instead.
Meanwhile no need AND 0x7ff when get maxp, remove it.
Fixes: 49db427232 ("usb: gadget: Add UDC driver for tegra XUSB device mode controller")
Cc: stable@vger.kernel.org
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1628836253-7432-5-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
usb_endpoint_maxp() only returns the bit[10:0] of wMaxPacketSize
of endpoint descriptor, not include bit[12:11] anymore, so use
usb_endpoint_maxp_mult() instead.
Fixes: 3d82904559 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver")
Cc: stable@vger.kernel.org
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1628836253-7432-4-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
