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git://git.linaro.org/people/jens.wiklander/linux-tee into arm/fixes
Change the TEE mailing list in MAINTAINERS
* tag 'tee-ml-for-v5.8' of git://git.linaro.org/people/jens.wiklander/linux-tee:
MAINTAINERS: change tee mailing list
Link: https://lore.kernel.org/r/20200616075948.GA2288211@jade
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omaps for v5.8
The recent display subsystem (DSS) related platform data changes caused
display related regressions for suspend and resume. Looks like I only
tested suspend and resume before dropping the legacy platform data, and
forgot to test it after dropping it. Turns out the main issue was that
we no longer have platform code calling pm_runtime_suspend for DSS like
we did for the legacy platform data case, and that fix is still being
discussed on the dri-devel list and will get merged separately. The DSS
related testing exposed a pile other other display related issues that
also need fixing though:
- Fix ti-sysc optional clock handling and reset status checks
for devices that reset automatically in idle like DSS
- Ignore ti-sysc clockactivity bit unless separately requested
to avoid unexpected performance issues
- Init ti-sysc framedonetv_irq to true and disable for am4
- Avoid duplicate DSS reset for legacy mode with dts data
- Remove LCD timings for am4 as they cause warnings now that we're
using generic panels
Then there is a pile of other fixes not related to the DSS:
- Fix omap_prm reset deassert as we still have drivers setting the
pm_runtime_irq_safe() flag
- Flush posted write for ti-sysc enable and disable
- Fix droid4 spi related errors with spi flags
- Fix am335x USB range and a typo for softreset
- Fix dra7 timer nodes for clocks for IPU and DSP
- Drop duplicate mailboxes after mismerge for dra7
* tag 'omap-for-v5.8/fixes-merge-window-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
Revert "bus: ti-sysc: Increase max softreset wait"
ARM: dts: am437x-epos-evm: remove lcd timings
ARM: dts: am437x-gp-evm: remove lcd timings
ARM: dts: am437x-sk-evm: remove lcd timings
ARM: dts: dra7-evm-common: Fix duplicate mailbox nodes
ARM: dts: dra7: Fix timer nodes properly for timer_sys_ck clocks
ARM: dts: Fix am33xx.dtsi ti,sysc-mask wrong softreset flag
ARM: dts: Fix am33xx.dtsi USB ranges length
bus: ti-sysc: Increase max softreset wait
ARM: OMAP2+: Fix legacy mode dss_reset
bus: ti-sysc: Fix uninitialized framedonetv_irq
bus: ti-sysc: Ignore clockactivity unless specified as a quirk
bus: ti-sysc: Use optional clocks on for enable and wait for softreset bit
ARM: dts: omap4-droid4: Fix spi configuration and increase rate
bus: ti-sysc: Flush posted write on enable and disable
soc: ti: omap-prm: use atomic iopoll instead of sleeping one
Link: https://lore.kernel.org/r/pull-1591889257-410830@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The cell name stored in the afs_cell struct is a 64-char + NUL buffer -
when it needs to be able to handle up to AFS_MAXCELLNAME (256 chars) + NUL.
Fix this by changing the array to a pointer and allocating the string.
Found using Coverity.
Fixes: 989782dcdc91 ("afs: Overhaul cell database management")
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull cifs fixes from Steve French:
"Six cifs/smb3 fixes, three of them for stable.
Fixes xfstests 451, 313 and 316"
* tag '5.8-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: misc: Use array_size() in if-statement controlling expression
cifs: update ctime and mtime during truncate
cifs/smb3: Fix data inconsistent when punch hole
cifs/smb3: Fix data inconsistent when zero file range
cifs: Fix double add page to memcg when cifs_readpages
cifs: Fix cached_fid refcnt leak in open_shroot
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Six small fixes, five in drivers and one to correct another minor
regression from cc97923a5bcc ("block: move dma drain handling to
scsi") where we still need the drain stub to be built in to the kernel
for the modular libata, non-modular SAS driver case"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: mptscsih: Fix read sense data size
scsi: zfcp: Fix panic on ERP timeout for previously dismissed ERP action
scsi: lpfc: Avoid another null dereference in lpfc_sli4_hba_unset()
scsi: libata: Fix the ata_scsi_dma_need_drain stub
scsi: qla2xxx: Keep initiator ports after RSCN
scsi: qla2xxx: Set NVMe status code for failed NVMe FCP request
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Pull VFIO fixes from Alex Williamson:
- Fix double free of eventfd ctx (Alex Williamson)
- Fix duplicate use of capability ID (Alex Williamson)
- Fix SR-IOV VF memory enable handling (Alex Williamson)
* tag 'vfio-v5.8-rc3' of git://github.com/awilliam/linux-vfio:
vfio/pci: Fix SR-IOV VF handling with MMIO blocking
vfio/type1: Fix migration info capability ID
vfio/pci: Clear error and request eventfd ctx after releasing
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"This contains a 5.8 regression fix for the Designware driver, a
register bitfield fix for the fsi driver, and a missing sanity check
for the I2C core"
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: core: check returned size of emulated smbus block read
i2c: fsi: Fix the port number field in status register
i2c: designware: Adjust bus speed independently of ACPI
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are a small number of tiny staging driver fixes for 5.8-rc3.
Not much here, but there were some reported problems to be fixed:
- three wfx driver fixes
- rtl8723bs driver fix
All of these have been in linux-next with no reported issues"
* tag 'staging-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
Staging: rtl8723bs: prevent buffer overflow in update_sta_support_rate()
staging: wfx: fix coherency of hif_scan() prototype
staging: wfx: drop useless loop
staging: wfx: fix AC priority
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 5.8-rc3 to resolve some reported
issues.
Nothing major here:
- gadget driver fixes
- cdns3 driver fixes
- xhci fixes
- renesas_usbhs driver fixes
- some new device support with ids
- documentation update
All of these have been in linux-next with no reported issues"
* tag 'usb-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (27 commits)
usb: renesas_usbhs: getting residue from callback_result
Revert "usb: dwc3: exynos: Add support for Exynos5422 suspend clk"
xhci: Poll for U0 after disabling USB2 LPM
xhci: Return if xHCI doesn't support LPM
usb: host: xhci-mtk: avoid runtime suspend when removing hcd
xhci: Fix enumeration issue when setting max packet size for FS devices.
xhci: Fix incorrect EP_STATE_MASK
usb: cdns3: ep0: add spinlock for cdns3_check_new_setup
usb: cdns3: trace: using correct dir value
usb: cdns3: ep0: fix the test mode set incorrectly
Revert "usb: dwc3: exynos: Add support for Exynos5422 suspend clk"
usb: gadget: udc: Potential Oops in error handling code
usb: phy: tegra: Fix unnecessary check in tegra_usb_phy_probe()
usb: dwc3: pci: Fix reference count leak in dwc3_pci_resume_work
usb: cdns3: ep0: add spinlock for cdns3_check_new_setup
usb: cdns3: trace: using correct dir value
usb: cdns3: ep0: fix the test mode set incorrectly
usb: typec: tcpci_rt1711h: avoid screaming irq causing boot hangs
USB: ohci-sm501: Add missed iounmap() in remove
cdc-acm: Add DISABLE_ECHO quirk for Microchip/SMSC chip
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Some tiny char/misc driver fixes for 5.8-rc3.
The "largest" changes are in the mei driver, to resolve some reported
problems and add some new device ids. There's also a binder bugfix, an
fpga driver build fix, and some assorted habanalabs fixes.
All of these, except for the habanalabs fixes, have been in linux-next
with no reported issues. The habanalabs driver changes showed up in my
tree on Friday, but as they are totally self-contained, all should be
good there"
* tag 'char-misc-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
habanalabs: increase h/w timer when checking idle
habanalabs: Correct handling when failing to enqueue CB
habanalabs: increase GAUDI QMAN ARB WDT timeout
habanalabs: rename mmu_write() to mmu_asid_va_write()
habanalabs: use PI in MMU cache invalidation
habanalabs: block scalar load_and_exe on external queue
mei: me: add tiger lake point device ids for H platforms.
mei: me: disable mei interface on Mehlow server platforms
binder: fix null deref of proc->context
fpga: zynqmp: fix modular build
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fix from Borislav Petkov:
"A single fix for amd64_edac restoring the reporting of the DRAM scrub
rate on family 0x15 CPUs"
* tag 'edac_urgent_for_5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/amd64: Read back the scrub rate PCI register on F15h
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Pull dma-mapping fixes from Christoph Hellwig:
- fix dma coherent mmap in nommu (me)
- more AMD SEV fallout (David Rientjes, me)
- fix alignment in dma_common_*_remap (Eric Auger)
* tag 'dma-mapping-5.8-4' of git://git.infradead.org/users/hch/dma-mapping:
dma-remap: align the size in dma_common_*_remap()
dma-mapping: DMA_COHERENT_POOL should select GENERIC_ALLOCATOR
dma-direct: add missing set_memory_decrypted() for coherent mapping
dma-direct: check return value when encrypting or decrypting memory
dma-direct: re-encrypt memory if dma_direct_alloc_pages() fails
dma-direct: always align allocation size in dma_direct_alloc_pages()
dma-direct: mark __dma_direct_alloc_pages static
dma-direct: re-enable mmap for !CONFIG_MMU
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Pull NFS client bugfixes from Anna Schumaker:
"Stable Fixes:
- xprtrdma: Fix handling of RDMA_ERROR replies
- sunrpc: Fix rollback in rpc_gssd_dummy_populate()
- pNFS/flexfiles: Fix list corruption if the mirror count changes
- NFSv4: Fix CLOSE not waiting for direct IO completion
- SUNRPC: Properly set the @subbuf parameter of xdr_buf_subsegment()
Other Fixes:
- xprtrdma: Fix a use-after-free with r_xprt->rx_ep
- Fix other xprtrdma races during disconnect
- NFS: Fix memory leak of export_path"
* tag 'nfs-for-5.8-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
SUNRPC: Properly set the @subbuf parameter of xdr_buf_subsegment()
NFSv4 fix CLOSE not waiting for direct IO compeletion
pNFS/flexfiles: Fix list corruption if the mirror count changes
nfs: Fix memory leak of export_path
sunrpc: fixed rollback in rpc_gssd_dummy_populate()
xprtrdma: Fix handling of RDMA_ERROR replies
xprtrdma: Clean up disconnect
xprtrdma: Clean up synopsis of rpcrdma_flush_disconnect()
xprtrdma: Use re_connect_status safely in rpcrdma_xprt_connect()
xprtrdma: Prevent dereferencing r_xprt->rx_ep after it is freed
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Pull io_uring fixes from Jens Axboe:
"Three small fixes:
- Close a corner case for polled IO resubmission (Pavel)
- Toss commands when exiting (Pavel)
- Fix SQPOLL conditional reschedule on perpetually busy submit
(Xuan)"
* tag 'io_uring-5.8-2020-06-26' of git://git.kernel.dk/linux-block:
io_uring: fix current->mm NULL dereference on exit
io_uring: fix hanging iopoll in case of -EAGAIN
io_uring: fix io_sq_thread no schedule when busy
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Pull block fixes from Jens Axboe:
- NVMe pull request from Christoph:
- multipath deadlock fixes (Anton)
- NUMA fixes (Max)
- RDMA completion vector fix (Max)
- IO deadlock fix (Sagi)
- multipath reference fix (Sagi)
- NS mutation fix (Sagi)
- Use right allocator when freeing bip in error path (Chengguang)
* tag 'block-5.8-2020-06-26' of git://git.kernel.dk/linux-block:
nvme-multipath: fix bogus request queue reference put
nvme-multipath: fix deadlock due to head->lock
nvme: don't protect ns mutation with ns->head->lock
nvme-multipath: fix deadlock between ana_work and scan_work
nvme: fix possible deadlock when I/O is blocked
nvme-rdma: assign completion vector correctly
nvme-loop: initialize tagset numa value to the value of the ctrl
nvme-tcp: initialize tagset numa value to the value of the ctrl
nvme-pci: initialize tagset numa value to the value of the ctrl
nvme-pci: override the value of the controller's numa node
nvme: set initial value for controller's numa node
block: release bip in a right way in error path
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Quite a few DM zoned target fixes and a Zone append fix in DM core.
Considering the amount of dm-zoned changes that went in during the
5.8 merge window these fixes are not that surprising.
- A few DM writecache target fixes.
- A fix to Documentation index to include DM ebs target docs.
- Small cleanup to use struct_size() in DM core's retrieve_deps().
* tag 'for-5.8/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm writecache: add cond_resched to loop in persistent_memory_claim()
dm zoned: Fix reclaim zone selection
dm zoned: Fix random zone reclaim selection
dm: update original bio sector on Zone Append
dm zoned: Fix metadata zone size check
docs: device-mapper: add dm-ebs.rst to an index file
dm ioctl: use struct_size() helper in retrieve_deps()
dm writecache: skip writecache_wait when using pmem mode
dm writecache: correct uncommitted_block when discarding uncommitted entry
dm zoned: assign max_io_len correctly
dm zoned: fix uninitialized pointer dereference
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git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb fixes from Daniel Thompson:
"The main change here is a fix for a number of unsafe interactions
between kdb and the console system. The fixes are specific to kdb
(pure kgdb debugging does not use the console system at all). On
systems with an NMI then kdb, if it is enabled, must get messages to
the user despite potentially running from some "difficult" calling
contexts. These fixes avoid using the console system where we have
been provided an alternative (safer) way to interact with the user
and, if using the console system in unavoidable, use oops_in_progress
for deadlock avoidance. These fixes also ensure kdb honours the
console enable flag.
Also included is a fix that wraps kgdb trap handling in an RCU read
lock to avoids triggering diagnostic warnings. This is a wide lock
scope but this is OK because kgdb is a stop-the-world debugger. When
we stop the world we put all the CPUs into holding pens and this
inhibits RCU update anyway"
* tag 'kgdb-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kgdb: Avoid suspicious RCU usage warning
kdb: Switch to use safer dbg_io_ops over console APIs
kdb: Make kdb_printf() console handling more robust
kdb: Check status of console prior to invoking handlers
kdb: Re-factor kdb_printf() message write code
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- A fix for a crash in nested KVM when CONFIG_DEBUG_VIRTUAL=y.
- Two minor build fixes.
Thanks to: Aneesh Kumar K.V, Arseny Solokha, Harish.
* tag 'powerpc-5.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
selftests/powerpc: Fix build failure in ebb tests
powerpc/kvm/book3s64: Fix kernel crash with nested kvm & DEBUG_VIRTUAL
powerpc/fsl_booke/32: Fix build with CONFIG_RANDOMIZE_BASE
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"This contains a handful of fixes I'd like to target for rc3.
Most of them fix issues with the conversion of our vDSO to C. There is
also one fix to the SiFive PRCI driver that I picked up as it's
causing boot issues on the hardware.
- A fix to allow kernels with dynamic ftrace to use the vDSO.
- Some build fixes for the C vDSO functions.
- A fix to the PRCI driver's memory allocation, which was the cause
of some boot panics with FREELIST_RANDOM"
* tag 'riscv-for-linus-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Fixup __vdso_gettimeofday broke dynamic ftrace
riscv: Add extern declarations for vDSO time-related functions
clk: sifive: allocate sufficient memory for struct __prci_data
riscv: Add -fPIC option to CFLAGS_vgettimeofday.o
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"The big fix here is to our vDSO sigreturn trampoline as, after a
painfully long stint of debugging, it turned out that fixing some of
our CFI directives in the merge window lit up a bunch of logic in
libgcc which has been shown to SEGV in some cases during asynchronous
pthread cancellation.
It looks like we can fix this by extending the directives to restore
most of the interrupted register state from the sigcontext, but it's
risky and hard to test so we opted to remove the CFI directives for
now and rely on the unwinder fallback path like we used to.
- Fix unwinding through vDSO sigreturn trampoline
- Fix build warnings by raising minimum LD version for PAC
- Whitelist some Kryo Cortex-A55 derivatives for Meltdown and SSB
- Fix perf register PC reporting for compat tasks
- Fix 'make clean' warning for arm64 signal selftests
- Fix ftrace when BTI is compiled in
- Avoid building the compat vDSO using GCC plugins"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Add KRYO{3,4}XX silver CPU cores to SSB safelist
arm64: perf: Report the PC value in REGS_ABI_32 mode
kselftest: arm64: Remove redundant clean target
arm64: kpti: Add KRYO{3, 4}XX silver CPU cores to kpti safelist
arm64: Don't insert a BTI instruction at inner labels
arm64: vdso: Don't use gcc plugins for building vgettimeofday.c
arm64: vdso: Only pass --no-eh-frame-hdr when linker supports it
arm64: Depend on newer binutils when building PAC
arm64: compat: Remove 32-bit sigreturn code from the vDSO
arm64: compat: Always use sigpage for sigreturn trampoline
arm64: compat: Allow 32-bit vdso and sigpage to co-exist
arm64: vdso: Disable dwarf unwinding through the sigreturn trampoline
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git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
ARMv8 Juno/Vexpress/Fast Models fix for v5.8
Partial revert of some recent fixes to silence DTC warning which broke
clocks on some Vexpress platforms resulting in boot issues.
* tag 'juno-fix-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
arm: dts: vexpress: Move mcc node back into motherboard node
Link: https://lore.kernel.org/r/20200609180447.GB5732@bogus
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"Prevent bypassing kernel lockdown via the ACPI tables loading
interface (Jason A. Donenfeld) and fix the handling of an ACPI sysfs
attribute (Nathan Chancellor)"
* tag 'acpi-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: sysfs: Fix pm_profile_attr type
ACPI: configfs: Disallow loading ACPI tables when locked down
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix a recent regression that broke suspend-to-idle on some x86
systems, fix the intel_pstate driver to correctly let the platform
firmware control CPU performance in some cases and add __init
annotations to a couple of functions.
Specifics:
- Make sure that the _TIF_POLLING_NRFLAG is clear before entering the
last phase of suspend-to-idle to avoid wakeup issues on some x86
systems (Chen Yu, Rafael Wysocki).
- Cover one more case in which the intel_pstate driver should let the
platform firmware control the CPU frequency and refuse to load
(Srinivas Pandruvada).
- Add __init annotations to 2 functions in the power management core
(Christophe JAILLET)"
* tag 'pm-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: Rearrange s2idle-specific idle state entry code
PM: sleep: core: mark 2 functions as __init to save some memory
cpufreq: intel_pstate: Add one more OOB control bit
PM: s2idle: Clear _TIF_POLLING_NRFLAG before suspend to idle
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
"A couple of Intel VT-d fixes:
- Make Intel SVM code 64bit only. The code uses pgd_t* and the IOMMU
only supports long-mode page-table formats, so its broken on 32bit
anyway.
- Make sure GFX quirks in for Intel VT-d are not applied to untrusted
devices. Those devices might gain full memory access otherwise.
- Identity mapping setup fix.
- Fix ACS enabling when Intel IOMMU is off and untrusted devices are
detected.
- Two smaller fixes for coherency and IO page-table setup"
* tag 'iommu-fixes-v5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/vt-d: Fix misuse of iommu_domain_identity_map()
iommu/vt-d: Update scalable mode paging structure coherency
iommu/vt-d: Enable PCI ACS for platform opt in hint
iommu/vt-d: Don't apply gfx quirks to untrusted devices
iommu/vt-d: Set U/S bit in first level page table by default
iommu/vt-d: Make Intel SVM code 64-bit only
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Pull drm fixes from Dave Airlie:
"Usual rc3 pickup, lots of little fixes all over.
The core VT registration regression fix is probably the largest,
otherwise ttm, amdgpu and tegra are the bulk, with some minor driver
fixes.
No i915 pull this week which may or may not mean I get 2x of it next
week, we'll see how it goes.
core:
- fix VT registration regression
ttm:
- fix two fence leaks
amdgpu:
- Fix missed mutex unlock in DC error path
- Fix firmware leak for sdma5
- DC bpc property fixes
amdkfd:
- Fix memleak in an error path
radeon:
- Fix copy paste typo in NI DPM spll validation
rcar-du:
- build fix
tegra:
- add missing zpos property
- child driver registeration fix
- debugfs cleanup fix
- doc fix
mcde:
- reorder fbdev setup
panel:
- fix connector type
- fix orienation for some panels
sun4i:
- fix dma/iommu configuration
uvesafb:
- respect blank flag"
* tag 'drm-fixes-2020-06-26' of git://anongit.freedesktop.org/drm/drm: (25 commits)
drm/amd: fix potential memleak in err branch
drm/amd/display: Fix ineffective setting of max bpc property
drm/amd/display: Enable output_bpc property on all outputs
drm/amdgpu: add fw release for sdma v5_0
drm/fb-helper: Fix vt restore
drm/radeon: fix fb_div check in ni_init_smc_spll_table()
drm/amdgpu/display: Unlock mutex on error
drm/sun4i: mixer: Call of_dma_configure if there's an IOMMU
drm: panel-orientation-quirks: Use generic orientation-data for Acer S1003
drm: panel-orientation-quirks: Add quirk for Asus T101HA panel
video: fbdev: uvesafb: fix "noblank" option handling
drm/panel-simple: fix connector type for newhaven_nhd_43_480272ef_atxl
drm/panel-simple: fix connector type for LogicPD Type28 Display
drm: rcar-du: Fix build error
drm: mcde: Fix forgotten user of drm->dev_private
drm: mcde: Fix display initialization problem
drm/tegra: Add zpos property for cursor planes
gpu: host1x: Detach driver on unregister
gpu: host1x: Correct trivial kernel-doc inconsistencies
drm/tegra: hub: Register child devices
...
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Merge misx fixes from Andrew Morton:
"31 patches.
Subsystems affected by this patch series: hotfixes, mm/pagealloc,
kexec, ocfs2, lib, mm/slab, mm/slab, mm/slub, mm/swap, mm/pagemap,
mm/vmalloc, mm/memcg, mm/gup, mm/thp, mm/vmscan, x86,
mm/memory-hotplug, MAINTAINERS"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (31 commits)
MAINTAINERS: update info for sparse
mm/memory_hotplug.c: fix false softlockup during pfn range removal
mm: remove vmalloc_exec
arm64: use PAGE_KERNEL_ROX directly in alloc_insn_page
x86/hyperv: allocate the hypercall page with only read and execute bits
mm/memory: fix IO cost for anonymous page
mm/swap: fix for "mm: workingset: age nonresident information alongside anonymous pages"
mm: workingset: age nonresident information alongside anonymous pages
doc: THP CoW fault no longer allocate THP
docs: mm/gup: minor documentation update
mm/memcontrol.c: prevent missed memory.low load tears
mm/memcontrol.c: add missed css_put()
mm: memcontrol: handle div0 crash race condition in memory.low
mm/vmalloc.c: fix a warning while make xmldocs
media: omap3isp: remove cacheflush.h
make asm-generic/cacheflush.h more standalone
mm/debug_vm_pgtable: fix build failure with powerpc 8xx
mm/memory.c: properly pte_offset_map_lock/unlock in vm_insert_pages()
mm: fix swap cache node allocation mask
slub: cure list_slab_objects() from double fix
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-next
FPGA Manager fixes for 5.8-rc1
Here is one (late) fix for 5.8-rc1 merge window.
Arnd's change addresses a missing build dependency.
All patches have been reviewed on the mailing list, and have been in the
last few linux-next releases (as part of my fixes branch) without issues.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
* tag 'fpga-fixes-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga:
fpga: zynqmp: fix modular build
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git://people.freedesktop.org/~gabbayo/linux into char-misc-linus
Oded writes:
This tag contains the following fixes for kernel 5.8-rc2:
- close security hole in GAUDI command buffer parsing by blocking an
instruction that might allow user to run command buffer that wasn't
parsed on a secured engine.
- Fix bug in GAUDI MMU cache invalidation code.
- Rename a function to resolve conflict with a static inline function in
arch/m68k/include/asm/mcfmmu.h
- Increase watchdog timeout of GAUDI QMAN arbitration H/W to prevent false
reports on timeouts
- Fix bug of dereferencing NULL pointer when an error occurs during command
submission
- Increase H/W timer for checking if PDMA engine is IDLE in GAUDI.
* tag 'misc-habanalabs-fixes-2020-06-24' of git://people.freedesktop.org/~gabbayo/linux:
habanalabs: increase h/w timer when checking idle
habanalabs: Correct handling when failing to enqueue CB
habanalabs: increase GAUDI QMAN ARB WDT timeout
habanalabs: rename mmu_write() to mmu_asid_va_write()
habanalabs: use PI in MMU cache invalidation
habanalabs: block scalar load_and_exe on external queue
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v5.8-rc2
A revert of Exynos5422 suspend clock support, it turns out it wasn't
ready to be merged. CDNS3 got a fix for test mode initialization.
Signed-off-by: Felipe Balbi <balbi@kernel.org>
* tag 'fixes-for-v5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb:
Revert "usb: dwc3: exynos: Add support for Exynos5422 suspend clk"
usb: gadget: udc: Potential Oops in error handling code
usb: phy: tegra: Fix unnecessary check in tegra_usb_phy_probe()
usb: dwc3: pci: Fix reference count leak in dwc3_pci_resume_work
usb: cdns3: ep0: add spinlock for cdns3_check_new_setup
usb: cdns3: trace: using correct dir value
usb: cdns3: ep0: fix the test mode set incorrectly
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* pm-cpufreq:
cpufreq: intel_pstate: Add one more OOB control bit
* pm-cpuidle:
cpuidle: Rearrange s2idle-specific idle state entry code
PM: s2idle: Clear _TIF_POLLING_NRFLAG before suspend to idle
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* acpi-sysfs:
ACPI: sysfs: Fix pm_profile_attr type
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Felipe has based his patches on that tag, so update my usb-linus branch
to it as well so that I can pull his patches in here easier.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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At times when I'm using kgdb I see a splat on my console about
suspicious RCU usage. I managed to come up with a case that could
reproduce this that looked like this:
WARNING: suspicious RCU usage
5.7.0-rc4+ #609 Not tainted
-----------------------------
kernel/pid.c:395 find_task_by_pid_ns() needs rcu_read_lock() protection!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
3 locks held by swapper/0/1:
#0: ffffff81b6b8e988 (&dev->mutex){....}-{3:3}, at: __device_attach+0x40/0x13c
#1: ffffffd01109e9e8 (dbg_master_lock){....}-{2:2}, at: kgdb_cpu_enter+0x20c/0x7ac
#2: ffffffd01109ea90 (dbg_slave_lock){....}-{2:2}, at: kgdb_cpu_enter+0x3ec/0x7ac
stack backtrace:
CPU: 7 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc4+ #609
Hardware name: Google Cheza (rev3+) (DT)
Call trace:
dump_backtrace+0x0/0x1b8
show_stack+0x1c/0x24
dump_stack+0xd4/0x134
lockdep_rcu_suspicious+0xf0/0x100
find_task_by_pid_ns+0x5c/0x80
getthread+0x8c/0xb0
gdb_serial_stub+0x9d4/0xd04
kgdb_cpu_enter+0x284/0x7ac
kgdb_handle_exception+0x174/0x20c
kgdb_brk_fn+0x24/0x30
call_break_hook+0x6c/0x7c
brk_handler+0x20/0x5c
do_debug_exception+0x1c8/0x22c
el1_sync_handler+0x3c/0xe4
el1_sync+0x7c/0x100
rpmh_rsc_probe+0x38/0x420
platform_drv_probe+0x94/0xb4
really_probe+0x134/0x300
driver_probe_device+0x68/0x100
__device_attach_driver+0x90/0xa8
bus_for_each_drv+0x84/0xcc
__device_attach+0xb4/0x13c
device_initial_probe+0x18/0x20
bus_probe_device+0x38/0x98
device_add+0x38c/0x420
If I understand properly we should just be able to blanket kgdb under
one big RCU read lock and the problem should go away. We'll add it to
the beast-of-a-function known as kgdb_cpu_enter().
With this I no longer get any splats and things seem to work fine.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200602154729.v2.1.I70e0d4fd46d5ed2aaf0c98a355e8e1b7a5bb7e4e@changeid
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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In kgdb context, calling console handlers aren't safe due to locks used
in those handlers which could in turn lead to a deadlock. Although, using
oops_in_progress increases the chance to bypass locks in most console
handlers but it might not be sufficient enough in case a console uses
more locks (VT/TTY is good example).
Currently when a driver provides both polling I/O and a console then kdb
will output using the console. We can increase robustness by using the
currently active polling I/O driver (which should be lockless) instead
of the corresponding console. For several common cases (e.g. an
embedded system with a single serial port that is used both for console
output and debugger I/O) this will result in no console handler being
used.
In order to achieve this we need to reverse the order of preference to
use dbg_io_ops (uses polling I/O mode) over console APIs. So we just
store "struct console" that represents debugger I/O in dbg_io_ops and
while emitting kdb messages, skip console that matches dbg_io_ops
console in order to avoid duplicate messages. After this change,
"is_console" param becomes redundant and hence removed.
Suggested-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Link: https://lore.kernel.org/r/1591264879-25920-5-git-send-email-sumit.garg@linaro.org
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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@subbuf is an output parameter of xdr_buf_subsegment(). A survey of
call sites shows that @subbuf is always uninitialized before
xdr_buf_segment() is invoked by callers.
There are some execution paths through xdr_buf_subsegment() that do
not set all of the fields in @subbuf, leaving some pointer fields
containing garbage addresses. Subsequent processing of that buffer
then results in a page fault.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Figuring out the root case for the REMOVE/CLOSE race and
suggesting the solution was done by Neil Brown.
Currently what happens is that direct IO calls hold a reference
on the open context which is decremented as an asynchronous task
in the nfs_direct_complete(). Before reference is decremented,
control is returned to the application which is free to close the
file. When close is being processed, it decrements its reference
on the open_context but since directIO still holds one, it doesn't
sent a close on the wire. It returns control to the application
which is free to do other operations. For instance, it can delete a
file. Direct IO is finally releasing its reference and triggering
an asynchronous close. Which races with the REMOVE. On the server,
REMOVE can be processed before the CLOSE, failing the REMOVE with
EACCES as the file is still opened.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Suggested-by: Neil Brown <neilb@suse.com>
CC: stable@vger.kernel.org
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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If the mirror count changes in the new layout we pick up inside
ff_layout_pg_init_write(), then we can end up adding the
request to the wrong mirror and corrupting the mirror->pg_list.
Fixes: d600ad1f2bdb ("NFS41: pop some layoutget errors to application")
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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The try_location function is called within a loop by nfs_follow_referral.
try_location calls nfs4_pathname_string to created the export_path.
nfs4_pathname_string allocates the memory. export_path is stored in the
nfs_fs_context/fs_context structure similarly as hostname and source.
But whereas the ctx hostname and source are freed before assignment,
export_path is not. So if there are multiple loops, the new export_path
will overwrite the old without the old being freed.
So call kfree for export_path.
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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__rpc_depopulate(gssd_dentry) was lost on error path
cc: stable@vger.kernel.org
Fixes: commit 4b9a445e3eeb ("sunrpc: create a new dummy pipe for gssd to hold open")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Conflicts:
arch/x86/kernel/traps.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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If the i2c bus driver ignores the I2C_M_RECV_LEN flag (as some of
them do), it is possible for an I2C_SMBUS_BLOCK_DATA read issued
on some random device to return an arbitrary value in the first
byte (and nothing else). When this happens, i2c_smbus_xfer_emulated()
will happily write past the end of the supplied data buffer, thus
causing Bad Things to happen. To prevent this, check the size
before copying the data block and return an error if it is too large.
Fixes: 209d27c3b167 ("i2c: Emulate SMBus block read over I2C")
Signed-off-by: Mans Rullgard <mans@mansr.com>
[wsa: use better errno]
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Update the info for sparse. More specifically:
- change W entry to point to sparse.docs.kernel.org
- add Q & B entry (patchwork & bugzilla)
Link: http://lkml.kernel.org/r/20200621144204.53938-1-luc.vanoostenryck@gmail.com
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When working with very large nodes, poisoning the struct pages (for which
there will be very many) can take a very long time. If the system is
using voluntary preemptions, the software watchdog will not be able to
detect forward progress. This patch addresses this issue by offering to
give up time like __remove_pages() does. This behavior was introduced in
v5.6 with: commit d33695b16a9f ("mm/memory_hotplug: poison memmap in
remove_pfn_range_from_zone()")
Alternately, init_page_poison could do this cond_resched(), but it seems
to me that the caller of init_page_poison() is what actually knows whether
or not it should relax its own priority.
Based on Dan's notes, I think this is perfectly safe: commit f931ab479dd2
("mm: fix devm_memremap_pages crash, use mem_hotplug_{begin, done}")
Aside from fixing the lockup, it is also a friendlier thing to do on lower
core systems that might wipe out large chunks of hotplug memory (probably
not a very common case).
Fixes this kind of splat:
watchdog: BUG: soft lockup - CPU#46 stuck for 22s! [daxctl:9922]
irq event stamp: 138450
hardirqs last enabled at (138449): [<ffffffffa1001f26>] trace_hardirqs_on_thunk+0x1a/0x1c
hardirqs last disabled at (138450): [<ffffffffa1001f42>] trace_hardirqs_off_thunk+0x1a/0x1c
softirqs last enabled at (138448): [<ffffffffa1e00347>] __do_softirq+0x347/0x456
softirqs last disabled at (138443): [<ffffffffa10c416d>] irq_exit+0x7d/0xb0
CPU: 46 PID: 9922 Comm: daxctl Not tainted 5.7.0-BEN-14238-g373c6049b336 #30
Hardware name: Intel Corporation PURLEY/PURLEY, BIOS PLYXCRB1.86B.0578.D07.1902280810 02/28/2019
RIP: 0010:memset_erms+0x9/0x10
Code: c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 <f3> aa 4c 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01
Call Trace:
remove_pfn_range_from_zone+0x3a/0x380
memunmap_pages+0x17f/0x280
release_nodes+0x22a/0x260
__device_release_driver+0x172/0x220
device_driver_detach+0x3e/0xa0
unbind_store+0x113/0x130
kernfs_fop_write+0xdc/0x1c0
vfs_write+0xde/0x1d0
ksys_write+0x58/0xd0
do_syscall_64+0x5a/0x120
entry_SYSCALL_64_after_hwframe+0x49/0xb3
Built 2 zonelists, mobility grouping on. Total pages: 49050381
Policy zone: Normal
Built 3 zonelists, mobility grouping on. Total pages: 49312525
Policy zone: Normal
David said: "It really only is an issue for devmem. Ordinary
hotplugged system memory is not affected (onlined/offlined in memory
block granularity)."
Link: http://lkml.kernel.org/r/20200619231213.1160351-1-ben.widawsky@intel.com
Fixes: commit d33695b16a9f ("mm/memory_hotplug: poison memmap in remove_pfn_range_from_zone()")
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Reported-by: "Scargall, Steve" <steve.scargall@intel.com>
Reported-by: Ben Widawsky <ben.widawsky@intel.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge vmalloc_exec into its only caller. Note that for !CONFIG_MMU
__vmalloc_node_range maps to __vmalloc, which directly clears the
__GFP_HIGHMEM added by the vmalloc_exec stub anyway.
Link: http://lkml.kernel.org/r/20200618064307.32739-4-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: Jessica Yu <jeyu@kernel.org>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Wei Liu <wei.liu@kernel.org>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use PAGE_KERNEL_ROX directly instead of allocating RWX and setting the
page read-only just after the allocation.
Link: http://lkml.kernel.org/r/20200618064307.32739-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: Jessica Yu <jeyu@kernel.org>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Wei Liu <wei.liu@kernel.org>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Patch series "fix a hyperv W^X violation and remove vmalloc_exec"
Dexuan reported a W^X violation due to the fact that the hyper hypercall
page due switching it to be allocated using vmalloc_exec.
The problem is that PAGE_KERNEL_EXEC as used by vmalloc_exec actually
sets writable permissions in the pte. This series fixes the issue by
switching to the low-level __vmalloc_node_range interface that allows
specifing more detailed permissions instead. It then also open codes
the other two callers and removes the somewhat confusing vmalloc_exec
interface.
Peter noted that the hyper hypercall page allocation also has another
long standing issue in that it shouldn't use the full vmalloc but just
the module space. This issue is so far theoretical as the allocation is
done early in the boot process. I plan to fix it with another bigger
series for 5.9.
This patch (of 3):
Avoid a W^X violation cause by the fact that PAGE_KERNEL_EXEC includes
the writable bit.
For this resurrect the removed PAGE_KERNEL_RX definition, but as
PAGE_KERNEL_ROX to match arm64 and powerpc.
Link: http://lkml.kernel.org/r/20200618064307.32739-2-hch@lst.de
Fixes: 78bb17f76edc ("x86/hyperv: use vmalloc_exec for the hypercall page")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Dexuan Cui <decui@microsoft.com>
Tested-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Acked-by: Wei Liu <wei.liu@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Jessica Yu <jeyu@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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With synchronous IO swap device, swap-in is directly handled in fault
code. Since IO cost notation isn't added there, with synchronous IO
swap device, LRU balancing could be wrongly biased. Fix it to count it
in fault code.
Link: http://lkml.kernel.org/r/1592288204-27734-4-git-send-email-iamjoonsoo.kim@lge.com
Fixes: 314b57fb0460001 ("mm: balance LRU lists based on relative thrashing cache sizing")
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: Rik van Riel <riel@surriel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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anonymous pages"
Non-file-lru page could also be activated in mark_page_accessed() and we
need to count this activation for nonresident_age.
Note that it's better for this patch to be squashed into the patch "mm:
workingset: age nonresident information alongside anonymous pages".
Link: http://lkml.kernel.org/r/1592288204-27734-3-git-send-email-iamjoonsoo.kim@lge.com
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: Rik van Riel <riel@surriel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Patch series "fix for "mm: balance LRU lists based on relative
thrashing" patchset"
This patchset fixes some problems of the patchset, "mm: balance LRU
lists based on relative thrashing", which is now merged on the mainline.
Patch "mm: workingset: let cache workingset challenge anon fix" is the
result of discussion with Johannes. See following link.
http://lkml.kernel.org/r/20200520232525.798933-6-hannes@cmpxchg.org
And, the other two are minor things which are found when I try to rebase
my patchset.
This patch (of 3):
After ("mm: workingset: let cache workingset challenge anon fix"), we
compare refault distances to active_file + anon. But age of the
non-resident information is only driven by the file LRU. As a result,
we may overestimate the recency of any incoming refaults and activate
them too eagerly, causing unnecessary LRU churn in certain situations.
Make anon aging drive nonresident age as well to address that.
Link: http://lkml.kernel.org/r/1592288204-27734-1-git-send-email-iamjoonsoo.kim@lge.com
Link: http://lkml.kernel.org/r/1592288204-27734-2-git-send-email-iamjoonsoo.kim@lge.com
Fixes: 34e58cac6d8f2a ("mm: workingset: let cache workingset challenge anon")
Reported-by: Joonsoo Kim <js1304@gmail.com>
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Since commit 3917c80280c9 ("thp: change CoW semantics for anon-THP"),
THP CoW page fault is rewritten. Now it just splits pmd then fallback
to base page fault, it doesn't try to allocate THP anymore. So it is no
longer counted in THP_FAULT_ALLOC.
Remove the obsolete statement in documentation about THP CoW allocation
to avoid confusion.
Link: http://lkml.kernel.org/r/1592424895-5421-1-git-send-email-yang.shi@linux.alibaba.com
Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
