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Pull xen fixes from Juergen Gross:
- documentation fixes related to Xen
- enable x2apic mode when available when running as hardware
virtualized guest under Xen
- cleanup and fix a corner case of vcpu enumeration when running a
paravirtualized Xen guest
* tag 'for-linus-5.17a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86/Xen: streamline (and fix) PV CPU enumeration
xen: update missing ioctl magic numers documentation
Improve docs for IOCTL_GNTDEV_MAP_GRANT_REF
xen: xenbus_dev.h: delete incorrect file name
xen/x2apic: enable x2apic mode when supported for HVM
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Pull kvm fixes from Paolo Bonzini:
"ARM:
- A couple of fixes when handling an exception while a SError has
been delivered
- Workaround for Cortex-A510's single-step erratum
RISC-V:
- Make CY, TM, and IR counters accessible in VU mode
- Fix SBI implementation version
x86:
- Report deprecation of x87 features in supported CPUID
- Preparation for fixing an interrupt delivery race on AMD hardware
- Sparse fix
All except POWER and s390:
- Rework guest entry code to correctly mark noinstr areas and fix
vtime' accounting (for x86, this was already mostly correct but not
entirely; for ARM, MIPS and RISC-V it wasn't)"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Use ERR_PTR_USR() to return -EFAULT as a __user pointer
KVM: x86: Report deprecated x87 features in supported CPUID
KVM: arm64: Workaround Cortex-A510's single-step and PAC trap errata
KVM: arm64: Stop handle_exit() from handling HVC twice when an SError occurs
KVM: arm64: Avoid consuming a stale esr value when SError occur
RISC-V: KVM: Fix SBI implementation version
RISC-V: KVM: make CY, TM, and IR counters accessible in VU mode
kvm/riscv: rework guest entry logic
kvm/arm64: rework guest entry logic
kvm/x86: rework guest entry logic
kvm/mips: rework guest entry logic
kvm: add guest_state_{enter,exit}_irqoff()
KVM: x86: Move delivery of non-APICv interrupt into vendor code
kvm: Move KVM_GET_XSAVE2 IOCTL definition at the end of kvm.h
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Pull drm fixes from Dave Airlie:
"Regular fixes for the week. Daniel has agreed to bring back the fbcon
hw acceleration under a CONFIG option for the non-drm fbdev users, we
don't advise turning this on unless you are in the niche that is old
fbdev drivers, Since it's essentially a revert and shouldn't be high
impact seemed like a good time to do it now.
Otherwise, i915 and amdgpu fixes are most of it, along with some minor
fixes elsewhere.
fbdev:
- readd fbcon acceleration
i915:
- fix DP monitor via type-c dock
- fix for engine busyness and read timeout with GuC
- use ALLOW_FAIL for error capture buffer allocs
- don't use interruptible lock on error paths
- smatch fix to reject zero sized overlays.
amdgpu:
- mGPU fan boost fix for beige goby
- S0ix fixes
- Cyan skillfish hang fix
- DCN fixes for DCN 3.1
- DCN fixes for DCN 3.01
- Apple retina panel fix
- ttm logic inversion fix
dma-buf:
- heaps: fix potential spectre v1 gadget
kmb:
- fix potential oob access
mxsfb:
- fix NULL ptr deref
nouveau:
- fix potential oob access during BIOS decode"
* tag 'drm-fixes-2022-02-04' of git://anongit.freedesktop.org/drm/drm: (24 commits)
drm: mxsfb: Fix NULL pointer dereference
drm/amdgpu: fix logic inversion in check
drm/amd: avoid suspend on dGPUs w/ s2idle support when runtime PM enabled
drm/amd/display: Force link_rate as LINK_RATE_RBR2 for 2018 15" Apple Retina panels
drm/amd/display: revert "Reset fifo after enable otg"
drm/amd/display: watermark latencies is not enough on DCN31
drm/amd/display: Update watermark values for DCN301
drm/amdgpu: fix a potential GPU hang on cyan skillfish
drm/amd: Only run s3 or s0ix if system is configured properly
drm/amd: add support to check whether the system is set to s3
fbcon: Add option to enable legacy hardware acceleration
Revert "fbcon: Disable accelerated scrolling"
Revert "fbdev: Garbage collect fbdev scrolling acceleration, part 1 (from TODO list)"
drm/i915/pmu: Fix KMD and GuC race on accessing busyness
dma-buf: heaps: Fix potential spectre v1 gadget
drm/amd: Warn users about potential s0ix problems
drm/amd/pm: correct the MGpuFanBoost support for Beige Goby
drm/nouveau: fix off by one in BIOS boundary checking
drm/i915/adlp: Fix TypeC PHY-ready status readout
drm/i915/pmu: Use PM timestamp instead of RING TIMESTAMP for reference
...
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Pull cifs fixes from Steve French:
"SMB3 client fixes including:
- multiple fscache related fixes, reenabling ability to read/write to
cached files for cifs.ko (that was temporarily disabled for cifs.ko
a few weeks ago due to the recent fscache changes)
- also includes a new fscache helper function ("query_occupancy")
used by above
- fix for multiuser mounts and NTLMSSP auth (workstation name) for
stable
- fix locking ordering problem in multichannel code
- trivial malformed comment fix"
* tag '5.17-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix workstation_name for multiuser mounts
Invalidate fscache cookie only when inode attributes are changed.
cifs: Fix the readahead conversion to manage the batch when reading from cache
cifs: Implement cache I/O by accessing the cache directly
netfs, cachefiles: Add a method to query presence of data in the cache
cifs: Transition from ->readpages() to ->readahead()
cifs: unlock chan_lock before calling cifs_put_tcp_session
Fix a warning about a malformed kernel doc comment in cifs
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* dma-buf/heaps: Fix potential spectre v1 gadget
* drm/kmb: Fix potential out-of-bounds access
* drm/mxsfb: Fix NULL-pointer dereference
* drm/nouveau: Fix potential out-of-bounds access in BIOS decoding
* fbdev: Re-add support for fbcon hardware acceleration
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/Yfu8mTZQUNt1RwZd@linux-uq9g
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Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf, netfilter, and ieee802154.
Current release - regressions:
- Partially revert "net/smc: Add netlink net namespace support", fix
uABI breakage
- netfilter:
- nft_ct: fix use after free when attaching zone template
- nft_byteorder: track register operations
Previous releases - regressions:
- ipheth: fix EOVERFLOW in ipheth_rcvbulk_callback
- phy: qca8081: fix speeds lower than 2.5Gb/s
- sched: fix use-after-free in tc_new_tfilter()
Previous releases - always broken:
- tcp: fix mem under-charging with zerocopy sendmsg()
- tcp: add missing tcp_skb_can_collapse() test in
tcp_shift_skb_data()
- neigh: do not trigger immediate probes on NUD_FAILED from
neigh_managed_work, avoid a deadlock
- bpf: use VM_MAP instead of VM_ALLOC for ringbuf, avoid KASAN
false-positives
- netfilter: nft_reject_bridge: fix for missing reply from prerouting
- smc: forward wakeup to smc socket waitqueue after fallback
- ieee802154:
- return meaningful error codes from the netlink helpers
- mcr20a: fix lifs/sifs periods
- at86rf230, ca8210: stop leaking skbs on error paths
- macsec: add missing un-offload call for NETDEV_UNREGISTER of parent
- ax25: add refcount in ax25_dev to avoid UAF bugs
- eth: mlx5e:
- fix SFP module EEPROM query
- fix broken SKB allocation in HW-GRO
- IPsec offload: fix tunnel mode crypto for non-TCP/UDP flows
- eth: amd-xgbe:
- fix skb data length underflow
- ensure reset of the tx_timer_active flag, avoid Tx timeouts
- eth: stmmac: fix runtime pm use in stmmac_dvr_remove()
- eth: e1000e: handshake with CSME starts from Alder Lake platforms"
* tag 'net-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits)
ax25: fix reference count leaks of ax25_dev
net: stmmac: ensure PTP time register reads are consistent
net: ipa: request IPA register values be retained
dt-bindings: net: qcom,ipa: add optional qcom,qmp property
tools/resolve_btfids: Do not print any commands when building silently
bpf: Use VM_MAP instead of VM_ALLOC for ringbuf
net, neigh: Do not trigger immediate probes on NUD_FAILED from neigh_managed_work
tcp: add missing tcp_skb_can_collapse() test in tcp_shift_skb_data()
net: sparx5: do not refer to skb after passing it on
Partially revert "net/smc: Add netlink net namespace support"
net/mlx5e: Avoid field-overflowing memcpy()
net/mlx5e: Use struct_group() for memcpy() region
net/mlx5e: Avoid implicit modify hdr for decap drop rule
net/mlx5e: IPsec: Fix tunnel mode crypto offload for non TCP/UDP traffic
net/mlx5e: IPsec: Fix crypto offload for non TCP/UDP encapsulated traffic
net/mlx5e: Don't treat small ceil values as unlimited in HTB offload
net/mlx5: E-Switch, Fix uninitialized variable modact
net/mlx5e: Fix handling of wrong devices during bond netevent
net/mlx5e: Fix broken SKB allocation in HW-GRO
net/mlx5e: Fix wrong calculation of header index in HW_GRO
...
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Pull Kselftest fixes from Shuah Khan:
"Important fixes to several tests and documentation clarification on
running mainline kselftest on stable releases. A few notable fixes:
- fix kselftest run hang due to child processes that haven't been
terminated. Fix signals all child processes
- fix false pass/fail results from vdso_test_abi, openat2, mincore
- build failures when using -j (multiple jobs) option
- exec test build failure due to incorrect build rule for a run-time
created "pipe"
- zram test fixes related to interaction with zram-generator to make
sure zram test to coordinate deleted with zram-generator
- zram test compression ratio calculation fix and skipping
max_comp_streams.
- increasing rtc test timeout
- cpufreq test to write test results to stdout which will necessary
on automated test systems"
* tag 'linux-kselftest-fixes-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kselftest: Fix vdso_test_abi return status
selftests: skip mincore.check_file_mmap when fs lacks needed support
selftests: openat2: Skip testcases that fail with EOPNOTSUPP
selftests: openat2: Add missing dependency in Makefile
selftests: openat2: Print also errno in failure messages
selftests: futex: Use variable MAKE instead of make
selftests/exec: Remove pipe from TEST_GEN_FILES
selftests/zram: Adapt the situation that /dev/zram0 is being used
selftests/zram01.sh: Fix compression ratio calculation
selftests/zram: Skip max_comp_streams interface on newer kernel
docs/kselftest: clarify running mainline tests on stables
kselftest: signal all child processes
selftests: cpufreq: Write test output to stdout as well
selftests: rtc: Increase test timeout so that all tests run
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For some systems, the IPA driver must make a request to ensure that
its registers are retained across power collapse of the IPA hardware.
On such systems, we'll use the existence of the "qcom,qmp" property
as a signal that this request is required.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Cortex-A510's erratum #2077057 causes SPSR_EL2 to be corrupted when
single-stepping authenticated ERET instructions. A single step is
expected, but a pointer authentication trap is taken instead. The
erratum causes SPSR_EL1 to be copied to SPSR_EL2, which could allow
EL1 to cause a return to EL2 with a guest controlled ELR_EL2.
Because the conditions require an ERET into active-not-pending state,
this is only a problem for the EL2 when EL2 is stepping EL1. In this case
the previous SPSR_EL2 value is preserved in struct kvm_vcpu, and can be
restored.
Cc: stable@vger.kernel.org # 53960faf2b73: arm64: Add Cortex-A510 CPU part definition
Cc: stable@vger.kernel.org
Signed-off-by: James Morse <james.morse@arm.com>
[maz: fixup cpucaps ordering]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220127122052.1584324-5-james.morse@arm.com
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Add missing ioctl "magic numbers" for various Xen interfaces
(xenbus_dev.h, gntalloc.h, gntdev.h, and privcmd.h).
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: xen-devel@lists.xenproject.org
Link: https://lore.kernel.org/r/20220131161959.16509-1-rdunlap@infradead.org
Signed-off-by: Juergen Gross <jgross@suse.com>
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This reverts commit 39aead8373b3c20bb5965c024dfb51a94e526151.
Revert the first (of 2) commits which disabled scrolling acceleration in
fbcon/fbdev. It introduced a regression for fbdev-supported graphic cards
because of the performance penalty by doing screen scrolling by software
instead of using the existing graphic card 2D hardware acceleration.
Console scrolling acceleration was disabled by dropping code which
checked at runtime the driver hardware capabilities for the
BINFO_HWACCEL_COPYAREA or FBINFO_HWACCEL_FILLRECT flags and if set, it
enabled scrollmode SCROLL_MOVE which uses hardware acceleration to move
screen contents. After dropping those checks scrollmode was hard-wired
to SCROLL_REDRAW instead, which forces all graphic cards to redraw every
character at the new screen position when scrolling.
This change effectively disabled all hardware-based scrolling acceleration for
ALL drivers, because now all kind of 2D hardware acceleration (bitblt,
fillrect) in the drivers isn't used any longer.
The original commit message mentions that only 3 DRM drivers (nouveau, omapdrm
and gma500) used hardware acceleration in the past and thus code for checking
and using scrolling acceleration is obsolete.
This statement is NOT TRUE, because beside the DRM drivers there are around 35
other fbdev drivers which depend on fbdev/fbcon and still provide hardware
acceleration for fbdev/fbcon.
The original commit message also states that syzbot found lots of bugs in fbcon
and thus it's "often the solution to just delete code and remove features".
This is true, and the bugs - which actually affected all users of fbcon,
including DRM - were fixed, or code was dropped like e.g. the support for
software scrollback in vgacon (commit 973c096f6a85).
So to further analyze which bugs were found by syzbot, I've looked through all
patches in drivers/video which were tagged with syzbot or syzkaller back to
year 2005. The vast majority fixed the reported issues on a higher level, e.g.
when screen is to be resized, or when font size is to be changed. The few ones
which touched driver code fixed a real driver bug, e.g. by adding a check.
But NONE of those patches touched code of either the SCROLL_MOVE or the
SCROLL_REDRAW case.
That means, there was no real reason why SCROLL_MOVE had to be ripped-out and
just SCROLL_REDRAW had to be used instead. The only reason I can imagine so far
was that SCROLL_MOVE wasn't used by DRM and as such it was assumed that it
could go away. That argument completely missed the fact that SCROLL_MOVE is
still heavily used by fbdev (non-DRM) drivers.
Some people mention that using memcpy() instead of the hardware acceleration is
pretty much the same speed. But that's not true, at least not for older graphic
cards and machines where we see speed decreases by factor 10 and more and thus
this change leads to console responsiveness way worse than before.
That's why the original commit is to be reverted. By reverting we
reintroduce hardware-based scrolling acceleration and fix the
performance regression for fbdev drivers.
There isn't any impact on DRM when reverting those patches.
Signed-off-by: Helge Deller <deller@gmx.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Sven Schnelle <svens@stackframe.org>
Cc: stable@vger.kernel.org # v5.10+
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220202135531.92183-3-deller@gmx.de
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This reverts commit b3ec8cdf457e5e63d396fe1346cc788cf7c1b578.
Revert the second (of 2) commits which disabled scrolling acceleration
in fbcon/fbdev. It introduced a regression for fbdev-supported graphic
cards because of the performance penalty by doing screen scrolling by
software instead of using the existing graphic card 2D hardware
acceleration.
Console scrolling acceleration was disabled by dropping code which
checked at runtime the driver hardware capabilities for the
BINFO_HWACCEL_COPYAREA or FBINFO_HWACCEL_FILLRECT flags and if set, it
enabled scrollmode SCROLL_MOVE which uses hardware acceleration to move
screen contents. After dropping those checks scrollmode was hard-wired
to SCROLL_REDRAW instead, which forces all graphic cards to redraw every
character at the new screen position when scrolling.
This change effectively disabled all hardware-based scrolling acceleration for
ALL drivers, because now all kind of 2D hardware acceleration (bitblt,
fillrect) in the drivers isn't used any longer.
The original commit message mentions that only 3 DRM drivers (nouveau, omapdrm
and gma500) used hardware acceleration in the past and thus code for checking
and using scrolling acceleration is obsolete.
This statement is NOT TRUE, because beside the DRM drivers there are around 35
other fbdev drivers which depend on fbdev/fbcon and still provide hardware
acceleration for fbdev/fbcon.
The original commit message also states that syzbot found lots of bugs in fbcon
and thus it's "often the solution to just delete code and remove features".
This is true, and the bugs - which actually affected all users of fbcon,
including DRM - were fixed, or code was dropped like e.g. the support for
software scrollback in vgacon (commit 973c096f6a85).
So to further analyze which bugs were found by syzbot, I've looked through all
patches in drivers/video which were tagged with syzbot or syzkaller back to
year 2005. The vast majority fixed the reported issues on a higher level, e.g.
when screen is to be resized, or when font size is to be changed. The few ones
which touched driver code fixed a real driver bug, e.g. by adding a check.
But NONE of those patches touched code of either the SCROLL_MOVE or the
SCROLL_REDRAW case.
That means, there was no real reason why SCROLL_MOVE had to be ripped-out and
just SCROLL_REDRAW had to be used instead. The only reason I can imagine so far
was that SCROLL_MOVE wasn't used by DRM and as such it was assumed that it
could go away. That argument completely missed the fact that SCROLL_MOVE is
still heavily used by fbdev (non-DRM) drivers.
Some people mention that using memcpy() instead of the hardware acceleration is
pretty much the same speed. But that's not true, at least not for older graphic
cards and machines where we see speed decreases by factor 10 and more and thus
this change leads to console responsiveness way worse than before.
That's why the original commit is to be reverted. By reverting we
reintroduce hardware-based scrolling acceleration and fix the
performance regression for fbdev drivers.
There isn't any impact on DRM when reverting those patches.
Signed-off-by: Helge Deller <deller@gmx.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Sven Schnelle <svens@stackframe.org>
Cc: stable@vger.kernel.org # v5.16+
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220202135531.92183-2-deller@gmx.de
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Pull spi fixes from Mark Brown:
"There are quite a few fixes that have accumilated since the merge
window here, all driver specific and none super urgent, plus a new
device ID for the Rockchip driver"
* tag 'spi-fix-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: mediatek: Avoid NULL pointer crash in interrupt
spi: dt-bindings: Fix 'reg' child node schema
spi: bcm-qspi: check for valid cs before applying chip select
spi: uniphier: fix reference count leak in uniphier_spi_probe()
spi: meson-spicc: add IRQ check in meson_spicc_probe
spi: uniphier: Fix a bug that doesn't point to private data correctly
spi: change clk_disable_unprepare to clk_unprepare
spi: spi-rockchip: Add rk3568-spi compatible
spi: stm32: make SPI_MASTER_MUST_TX flags only specific to STM32F4
spi: stm32: remove inexistant variables in struct stm32_spi_cfg comment
spi: stm32-qspi: Update spi registering
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Add a netfs_cache_ops method by which a network filesystem can ask the
cache about what data it has available and where so that it can make a
multipage read more efficient.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-cachefs@redhat.com
Acked-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Rohith Surabattula <rohiths@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Pull irq fixes from Borislav Petkov:
- Drop an unused private data field in the AIC driver
- Various fixes to the realtek-rtl driver
- Make the GICv3 ITS driver compile again in !SMP configurations
- Force reset of the GICv3 ITSs at probe time to avoid issues during kexec
- Yet another kfree/bitmap_free conversion
- Various DT updates (Renesas, SiFive)
* tag 'irq_urgent_for_v5.17_rc2_p2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
dt-bindings: interrupt-controller: sifive,plic: Group interrupt tuples
dt-bindings: interrupt-controller: sifive,plic: Fix number of interrupts
dt-bindings: irqchip: renesas-irqc: Add R-Car V3U support
irqchip/gic-v3-its: Reset each ITS's BASERn register before probe
irqchip/gic-v3-its: Fix build for !SMP
irqchip/loongson-pch-ms: Use bitmap_free() to free bitmap
irqchip/realtek-rtl: Service all pending interrupts
irqchip/realtek-rtl: Fix off-by-one in routing
irqchip/realtek-rtl: Map control data to virq
irqchip/apple-aic: Drop unused ipi_hwirq field
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Pull irqchip fixes from Marc Zyngier:
- Drop an unused private data field in the AIC driver
- Various fixes to the realtek-rtl driver
- Make the GICv3 ITS driver compile again in !SMP configurations
- Force reset of the GICv3 ITSs at probe time to avoid issues during kexec
- Yet another kfree/bitmap_free conversion
- Various DT updates (Renesas, SiFive)
Link: https://lore.kernel.org/r/20220128174217.517041-1-maz@kernel.org
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Pull gpio fixes from Bartosz Golaszewski:
"Two fixes for the gpio-simulator:
- fix a bug with hogs not being set-up in gpio-sim when user-space
sets the chip label to an empty string
- include the gpio-sim documentation in the index"
* tag 'gpio-fixes-for-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: sim: add doc file to index file
gpio: sim: check the label length when setting up device properties
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Pull arm64 fixes from Catalin Marinas:
- Errata workarounds for Cortex-A510: broken hardware dirty bit
management, detection code for the TRBE (tracing) bugs with the
actual fixes going in via the CoreSight tree.
- Cortex-X2 errata handling for TRBE (inheriting the workarounds from
Cortex-A710).
- Fix ex_handler_load_unaligned_zeropad() to use the correct struct
members.
- A couple of kselftest fixes for FPSIMD.
- Silence the vdso "no previous prototype" warning.
- Mark start_backtrace() notrace and NOKPROBE_SYMBOL.
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: cpufeature: List early Cortex-A510 parts as having broken dbm
kselftest/arm64: Correct logging of FPSIMD register read via ptrace
kselftest/arm64: Skip VL_INHERIT tests for unsupported vector types
arm64: errata: Add detection for TRBE trace data corruption
arm64: errata: Add detection for TRBE invalid prohibited states
arm64: errata: Add detection for TRBE ignored system register writes
arm64: Add Cortex-A510 CPU part definition
arm64: extable: fix load_unaligned_zeropad() reg indices
arm64: Mark start_backtrace() notrace and NOKPROBE_SYMBOL
arm64: errata: Update ARM64_ERRATUM_[2119858|2224489] with Cortex-X2 ranges
arm64: Add Cortex-X2 CPU part definition
arm64: vdso: Fix "no previous prototype" warning
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Pull documentation fixes from Jonathan Corbet:
"A few documentation fixes for 5.17"
* tag 'docs-5.17-3' of git://git.lwn.net/linux:
docs/vm: Fix typo in *harden*
Documentation: arm: marvell: Extend Avanta list
docs: fix typo in Documentation/kernel-hacking/locking.rst
docs: Hook the RTLA documents into the kernel docs build
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To improve human readability and enable automatic validation, the tuples
in "interrupts-extended" properties should be grouped using angle
brackets.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/211705e74a2ce77de43d036c5dea032484119bf7.1643360419.git.geert@linux-m68k.org
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The number of interrupts lacks an upper bound, thus assuming one,
causing properly grouped "interrupts-extended" properties to be flagged
as an error by "make dtbs_check".
Fix this by adding the missing "maxItems", using the architectural
maximum of 15872 interrupts.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/f73a0aead89e1426b146c4c64f797aa035868bf0.1643360419.git.geert@linux-m68k.org
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Document support for the Interrupt Controller for External Devices
(INT-EC) in the Renesas R-Car V3U (r8a779a0) SoC.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/85b246cc0792663c72c1bb12a8576bd23d2299d3.1643200256.git.geert+renesas@glider.be
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Pull kvm fixes from Paolo Bonzini:
"Two larger x86 series:
- Redo incorrect fix for SEV/SMAP erratum
- Windows 11 Hyper-V workaround
Other x86 changes:
- Various x86 cleanups
- Re-enable access_tracking_perf_test
- Fix for #GP handling on SVM
- Fix for CPUID leaf 0Dh in KVM_GET_SUPPORTED_CPUID
- Fix for ICEBP in interrupt shadow
- Avoid false-positive RCU splat
- Enable Enlightened MSR-Bitmap support for real
ARM:
- Correctly update the shadow register on exception injection when
running in nVHE mode
- Correctly use the mm_ops indirection when performing cache
invalidation from the page-table walker
- Restrict the vgic-v3 workaround for SEIS to the two known broken
implementations
Generic code changes:
- Dead code cleanup"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (43 commits)
KVM: eventfd: Fix false positive RCU usage warning
KVM: nVMX: Allow VMREAD when Enlightened VMCS is in use
KVM: nVMX: Implement evmcs_field_offset() suitable for handle_vmread()
KVM: nVMX: Rename vmcs_to_field_offset{,_table}
KVM: nVMX: eVMCS: Filter out VM_EXIT_SAVE_VMX_PREEMPTION_TIMER
KVM: nVMX: Also filter MSR_IA32_VMX_TRUE_PINBASED_CTLS when eVMCS
selftests: kvm: check dynamic bits against KVM_X86_XCOMP_GUEST_SUPP
KVM: x86: add system attribute to retrieve full set of supported xsave states
KVM: x86: Add a helper to retrieve userspace address from kvm_device_attr
selftests: kvm: move vm_xsave_req_perm call to amx_test
KVM: x86: Sync the states size with the XCR0/IA32_XSS at, any time
KVM: x86: Update vCPU's runtime CPUID on write to MSR_IA32_XSS
KVM: x86: Keep MSR_IA32_XSS unchanged for INIT
KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2}
KVM: nVMX: WARN on any attempt to allocate shadow VMCS for vmcs02
KVM: selftests: Don't skip L2's VMCALL in SMM test for SVM guest
KVM: x86: Check .flags in kvm_cpuid_check_equal() too
KVM: x86: Forcibly leave nested virt when SMM state is toggled
KVM: SVM: drop unnecessary code in svm_hv_vmcb_dirty_nested_enlightenments()
KVM: SVM: hyper-v: Enable Enlightened MSR-Bitmap support for real
...
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Versions of Cortex-A510 before r0p3 are affected by a hardware erratum
where the hardware update of the dirty bit is not correctly ordered.
Add these cpus to the cpu_has_broken_dbm list.
Signed-off-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20220125154040.549272-3-james.morse@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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coresight: trbe: Workaround Cortex-A510 erratas
This pull request is providing arm64 definitions to support
TRBE Cortex-A510 erratas.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
* tag 'trbe-cortex-a510-errata' of gitolite.kernel.org:pub/scm/linux/kernel/git/coresight/linux:
arm64: errata: Add detection for TRBE trace data corruption
arm64: errata: Add detection for TRBE invalid prohibited states
arm64: errata: Add detection for TRBE ignored system register writes
arm64: Add Cortex-A510 CPU part definition
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The schema for SPI child nodes' 'reg' property is not complete. 'reg' is
a matrix of cells. The schema needs to define both the number of 'reg'
entries and constraints on each entry.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220126231326.1636199-1-robh@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Because KVM_GET_SUPPORTED_CPUID is meant to be passed (by simple-minded
VMMs) to KVM_SET_CPUID2, it cannot include any dynamic xsave states that
have not been enabled. Probing those, for example so that they can be
passed to ARCH_REQ_XCOMP_GUEST_PERM, requires a new ioctl or arch_prctl.
The latter is in fact worse, even though that is what the rest of the
API uses, because it would require supported_xcr0 to be moved from the
KVM module to the kernel just for this use. In addition, the value
would be nonsensical (or an error would have to be returned) until
the KVM module is loaded in.
Therefore, to limit the growth of system ioctls, add a /dev/kvm
variant of KVM_{GET,HAS}_DEVICE_ATTR, and implement it in x86
with just one group (0) and attribute (KVM_X86_XCOMP_GUEST_SUPP).
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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TRBE implementations affected by Arm erratum #1902691 might corrupt trace
data or deadlock, when it's being written into the memory. So effectively
TRBE is broken and hence cannot be used to capture trace data. This adds
a new errata ARM64_ERRATUM_1902691 in arm64 errata framework.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Suzuki Poulose <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org
Cc: linux-doc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/1643120437-14352-5-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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TRBE implementations affected by Arm erratum #2038923 might get TRBE into
an inconsistent view on whether trace is prohibited within the CPU. As a
result, the trace buffer or trace buffer state might be corrupted. This
happens after TRBE buffer has been enabled by setting TRBLIMITR_EL1.E,
followed by just a single context synchronization event before execution
changes from a context, in which trace is prohibited to one where it isn't,
or vice versa. In these mentioned conditions, the view of whether trace is
prohibited is inconsistent between parts of the CPU, and the trace buffer
or the trace buffer state might be corrupted. This adds a new errata
ARM64_ERRATUM_2038923 in arm64 errata framework.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Suzuki Poulose <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org
Cc: linux-doc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/1643120437-14352-4-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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TRBE implementations affected by Arm erratum #2064142 might fail to write
into certain system registers after the TRBE has been disabled. Under some
conditions after TRBE has been disabled, writes into certain TRBE registers
TRBLIMITR_EL1, TRBPTR_EL1, TRBBASER_EL1, TRBSR_EL1 and TRBTRG_EL1 will be
ignored and not be effected. This adds a new errata ARM64_ERRATUM_2064142
in arm64 errata framework.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Suzuki Poulose <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org
Cc: linux-doc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/1643120437-14352-3-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter and can.
Current release - new code bugs:
- tcp: add a missing sk_defer_free_flush() in tcp_splice_read()
- tcp: add a stub for sk_defer_free_flush(), fix CONFIG_INET=n
- nf_tables: set last expression in register tracking area
- nft_connlimit: fix memleak if nf_ct_netns_get() fails
- mptcp: fix removing ids bitmap setting
- bonding: use rcu_dereference_rtnl when getting active slave
- fix three cases of sleep in atomic context in drivers: lan966x, gve
- handful of build fixes for esoteric drivers after netdev->dev_addr
was made const
Previous releases - regressions:
- revert "ipv6: Honor all IPv6 PIO Valid Lifetime values", it broke
Linux compatibility with USGv6 tests
- procfs: show net device bound packet types
- ipv4: fix ip option filtering for locally generated fragments
- phy: broadcom: hook up soft_reset for BCM54616S
Previous releases - always broken:
- ipv4: raw: lock the socket in raw_bind()
- ipv4: decrease the use of shared IPID generator to decrease the
chance of attackers guessing the values
- procfs: fix cross-netns information leakage in /proc/net/ptype
- ethtool: fix link extended state for big endian
- bridge: vlan: fix single net device option dumping
- ping: fix the sk_bound_dev_if match in ping_lookup"
* tag 'net-5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (86 commits)
net: bridge: vlan: fix memory leak in __allowed_ingress
net: socket: rename SKB_DROP_REASON_SOCKET_FILTER
ipv4: remove sparse error in ip_neigh_gw4()
ipv4: avoid using shared IP generator for connected sockets
ipv4: tcp: send zero IPID in SYNACK messages
ipv4: raw: lock the socket in raw_bind()
MAINTAINERS: add missing IPv4/IPv6 header paths
MAINTAINERS: add more files to eth PHY
net: stmmac: dwmac-sun8i: use return val of readl_poll_timeout()
net: bridge: vlan: fix single net device option dumping
net: stmmac: skip only stmmac_ptp_register when resume from suspend
net: stmmac: configure PTP clock source prior to PTP initialization
Revert "ipv6: Honor all IPv6 PIO Valid Lifetime values"
connector/cn_proc: Use task_is_in_init_pid_ns()
pid: Introduce helper task_is_in_init_pid_ns()
gve: Fix GFP flags when allocing pages
net: lan966x: Fix sleep in atomic context when updating MAC table
net: lan966x: Fix sleep in atomic context when injecting frames
ethernet: seeq/ether3: don't write directly to netdev->dev_addr
ethernet: 8390/etherh: don't write directly to netdev->dev_addr
...
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Fixes: df4e817b7108 ("mm: page table check")
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Link: https://lore.kernel.org/r/20220117111338.115455-1-pmenzel@molgen.mpg.de
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Include another two SoCs from Avanta family.
Signed-off-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20220121115804.28824-1-pali@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Change copy_from_user*( to copy_from_user() .
Signed-off-by: Takahiro Itazuri <itazur@amazon.com>
Link: https://lore.kernel.org/r/20220124081447.34066-1-itazur@amazon.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The RTLA documents were added to Documentation/ but never hooked into the
rest of the docs build, leading to a bunch of warnings like:
Documentation/tools/rtla/rtla-osnoise.rst: WARNING: document isn't included in any toctree
Add some basic glue to wire these documents into the build so that they are
available with the rest of the rendered docs. No attempt has been made to
turn the RTLA docs into proper RST files rather than warmed-over man pages;
that is an exercise for the future.
Fixes: d40d48e1f1f2 ("rtla: Add Documentation")
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/877dau555q.fsf@meer.lwn.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Update the document to clarifiy support for running mainline
kselftest on stable releases and the reasons for not removing
test code that can test older kernels.
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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This tcan4x5x only comes with 2K of MRAM, a RX FIFO with a dept of 32
doesn't fit into the MRAM. Use a depth of 16 instead.
Fixes: 4edd396a1911 ("dt-bindings: can: tcan4x5x: Add DT bindings for TCAN4x5X driver")
Link: https://lore.kernel.org/all/20220119062951.2939851-1-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Errata ARM64_ERRATUM_[2119858|2224489] also affect some Cortex-X2 ranges as
well. Lets update these errata definition and detection to accommodate all
new Cortex-X2 based cpu MIDR ranges.
Cc: Will Deacon <will@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Suzuki Poulose <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1642994138-25887-3-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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This adds a compatible string for the SPI controller found on
the RK3566 and RK3568 SoCs.
Signed-off-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
Link: https://lore.kernel.org/r/20211126154344.724316-2-frattaroli.nicolas@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Include the gpio-sim.rst file in the GPIO index (toc/table of contents).
Quietens this doc build warning:
Documentation/admin-guide/gpio/gpio-sim.rst: WARNING: document isn't included in any toctree
Fixes: b48f6b466e44 ("gpio: sim: new testing module")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
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Pull scheduler fixes from Borislav Petkov:
"A bunch of fixes: forced idle time accounting, utilization values
propagation in the sched hierarchies and other minor cleanups and
improvements"
* tag 'sched_urgent_for_v5.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
kernel/sched: Remove dl_boosted flag comment
sched: Avoid double preemption in __cond_resched_*lock*()
sched/fair: Fix all kernel-doc warnings
sched/core: Accounting forceidle time for all tasks except idle task
sched/pelt: Relax the sync of load_sum with load_avg
sched/pelt: Relax the sync of runnable_sum with runnable_avg
sched/pelt: Continue to relax the sync of util_sum with util_avg
sched/pelt: Relax the sync of util_sum with util_avg
psi: Fix uaf issue when psi trigger is destroyed while being polled
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Merge yet more updates from Andrew Morton:
"This is the post-linux-next queue. Material which was based on or
dependent upon material which was in -next.
69 patches.
Subsystems affected by this patch series: mm (migration and zsmalloc),
sysctl, proc, and lib"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (69 commits)
mm: hide the FRONTSWAP Kconfig symbol
frontswap: remove support for multiple ops
mm: mark swap_lock and swap_active_head static
frontswap: simplify frontswap_register_ops
frontswap: remove frontswap_test
mm: simplify try_to_unuse
frontswap: remove the frontswap exports
frontswap: simplify frontswap_init
frontswap: remove frontswap_curr_pages
frontswap: remove frontswap_shrink
frontswap: remove frontswap_tmem_exclusive_gets
frontswap: remove frontswap_writethrough
mm: remove cleancache
lib/stackdepot: always do filter_irq_stacks() in stack_depot_save()
lib/stackdepot: allow optional init and stack_table allocation by kvmalloc()
proc: remove PDE_DATA() completely
fs: proc: store PDE()->data into inode->i_private
zsmalloc: replace get_cpu_var with local_lock
zsmalloc: replace per zpage lock with pool->migrate_lock
locking/rwlocks: introduce write_lock_nested
...
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Pull devicetree fixes and cleanups from Rob Herring:
- Fix a regression when probing a child device reusing the parent
device's DT node pointer
- Refactor of_parse_phandle*() variants to static inlines
- Drop Enric Balletbo i Serra as a maintainer
- Fix DT schemas with arrays incorrectly encoded as a matrix
- Drop unneeded pinctrl properties from schemas
- Add SPI peripheral schema to SPI based displays
- Clean-up several schema examples
- Clean-up trivial-devices.yaml comments
- Add missing, in use vendor prefixes: Wingtech, Thundercomm, Huawei,
F(x)tec, 8devices
* tag 'devicetree-fixes-for-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: google,cros-ec: drop Enric Balletbo i Serra from maintainers
dt-bindings: display: bridge: drop Enric Balletbo i Serra from maintainers
of: Check 'of_node_reused' flag on of_match_device()
of: property: define of_property_read_u{8,16,32,64}_array() unconditionally
of: base: make small of_parse_phandle() variants static inline
dt-bindings: mfd: cirrus,madera: Fix 'interrupts' in example
dt-bindings: Fix array schemas encoded as matrices
dt-bindings: Drop unnecessary pinctrl properties
dt-bindings: rtc: st,stm32-rtc: Make each example a separate entry
dt-bindings: mmc: arm,pl18x: Make each example a separate entry
dt-bindings: display: Add SPI peripheral schema to SPI based displays
scripts/dtc: dtx_diff: remove broken example from help text
dt-bindings: trivial-devices: fix double spaces in comments
dt-bindings: trivial-devices: fix swapped comments
dt-bindings: vendor-prefixes: add Wingtech
dt-bindings: vendor-prefixes: add Thundercomm
dt-bindings: vendor-prefixes: add Huawei
dt-bindings: vendor-prefixes: add F(x)tec
dt-bindings: vendor-prefixes: add 8devices
dt-bindings: power: reset: gpio-restart: Correct default priority
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Pull more kvm updates from Paolo Bonzini:
"Generic:
- selftest compilation fix for non-x86
- KVM: avoid warning on s390 in mark_page_dirty
x86:
- fix page write-protection bug and improve comments
- use binary search to lookup the PMU event filter, add test
- enable_pmu module parameter support for Intel CPUs
- switch blocked_vcpu_on_cpu_lock to raw spinlock
- cleanups of blocked vCPU logic
- partially allow KVM_SET_CPUID{,2} after KVM_RUN (5.16 regression)
- various small fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (46 commits)
docs: kvm: fix WARNINGs from api.rst
selftests: kvm/x86: Fix the warning in lib/x86_64/processor.c
selftests: kvm/x86: Fix the warning in pmu_event_filter_test.c
kvm: selftests: Do not indent with spaces
kvm: selftests: sync uapi/linux/kvm.h with Linux header
selftests: kvm: add amx_test to .gitignore
KVM: SVM: Nullify vcpu_(un)blocking() hooks if AVIC is disabled
KVM: SVM: Move svm_hardware_setup() and its helpers below svm_x86_ops
KVM: SVM: Drop AVIC's intermediate avic_set_running() helper
KVM: VMX: Don't do full kick when handling posted interrupt wakeup
KVM: VMX: Fold fallback path into triggering posted IRQ helper
KVM: VMX: Pass desired vector instead of bool for triggering posted IRQ
KVM: VMX: Don't do full kick when triggering posted interrupt "fails"
KVM: SVM: Skip AVIC and IRTE updates when loading blocking vCPU
KVM: SVM: Use kvm_vcpu_is_blocking() in AVIC load to handle preemption
KVM: SVM: Remove unnecessary APICv/AVIC update in vCPU unblocking path
KVM: SVM: Don't bother checking for "running" AVIC when kicking for IPIs
KVM: SVM: Signal AVIC doorbell iff vCPU is in guest mode
KVM: x86: Remove defunct pre_block/post_block kvm_x86_ops hooks
KVM: x86: Unexport LAPIC's switch_to_{hv,sw}_timer() helpers
...
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Pull more RISC-V updates from Palmer Dabbelt:
- Support for sv48 paging
- Hart ID mappings are now sparse, which enables more CPUs to come up
on systems with sparse hart IDs
- A handful of cleanups and fixes
* tag 'riscv-for-linus-5.17-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (27 commits)
RISC-V: nommu_virt: Drop unused SLAB_MERGE_DEFAULT
RISC-V: Remove redundant err variable
riscv: dts: sifive unmatched: Add gpio poweroff
riscv: canaan: remove useless select of non-existing config SYSCON
RISC-V: Do not use cpumask data structure for hartid bitmap
RISC-V: Move spinwait booting method to its own config
RISC-V: Move the entire hart selection via lottery to SMP
RISC-V: Use __cpu_up_stack/task_pointer only for spinwait method
RISC-V: Do not print the SBI version during HSM extension boot print
RISC-V: Avoid using per cpu array for ordered booting
riscv: default to CONFIG_RISCV_SBI_V01=n
riscv: fix boolconv.cocci warnings
riscv: Explicit comment about user virtual address space size
riscv: Use pgtable_l4_enabled to output mmu_type in cpuinfo
riscv: Implement sv48 support
asm-generic: Prepare for riscv use of pud_alloc_one and pud_free
riscv: Allow to dynamically define VA_BITS
riscv: Introduce functions to switch pt_ops
riscv: Split early kasan mapping to prepare sv48 introduction
riscv: Move KASAN mapping next to the kernel mapping
...
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Pull documentation fixes from Jonathan Corbet:
"Three small documentation fixes"
* tag 'docs-5.17-2' of git://git.lwn.net/linux:
Documentation: fix firewire.rst ABI file path error
docs: ftrace: fix ambiguous sentence
docs: staging/tee.rst: fix two typos found while reading
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frontswap_shrink is never called, so remove it.
Link: https://lkml.kernel.org/r/20211224062246.1258487-5-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Konrad Rzeszutek Wilk <Konrad.wilk@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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frontswap_writethrough is never called, so remove it.
Link: https://lkml.kernel.org/r/20211224062246.1258487-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Konrad Rzeszutek Wilk <Konrad.wilk@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.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 "remove Xen tmem leftovers".
Since the removal of the Xen tmem driver in 2019, the cleancache hooks
are entirely unused, as are large parts of frontswap. This series
against linux-next (with the folio changes included) removes
cleancaches, and cuts down frontswap to the bits actually used by zswap.
This patch (of 13):
The cleancache subsystem is unused since the removal of Xen tmem driver
in commit 814bbf49dcd0 ("xen: remove tmem driver").
[akpm@linux-foundation.org: remove now-unreachable code]
Link: https://lkml.kernel.org/r/20211224062246.1258487-1-hch@lst.de
Link: https://lkml.kernel.org/r/20211224062246.1258487-2-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Konrad Rzeszutek Wilk <Konrad.wilk@oracle.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull RTC updates from Alexandre Belloni:
"Two new drivers this cycle and a significant rework of the CMOS driver
make the bulk of the changes.
I also carry powerpc changes with the agreement of Michael.
New drivers:
- Sunplus SP7021 RTC
- Nintendo GameCube, Wii and Wii U RTC
Driver updates:
- cmos: refactor UIP handling and presence check, fix century
- rs5c372: offset correction support, report low voltage
- rv8803: Epson RX8804 support"
* tag 'rtc-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (33 commits)
rtc: sunplus: fix return value in sp_rtc_probe()
rtc: cmos: Evaluate century appropriate
rtc: gamecube: Fix an IS_ERR() vs NULL check
rtc: mc146818-lib: fix signedness bug in mc146818_get_time()
dt-bindings: rtc: qcom-pm8xxx-rtc: update register numbers
rtc: pxa: fix null pointer dereference
rtc: ftrtc010: Use platform_get_irq() to get the interrupt
rtc: Move variable into switch case statement
rtc: pcf2127: Fix typo in comment
dt-bindings: rtc: Add Sunplus RTC json-schema
rtc: Add driver for RTC in Sunplus SP7021
rtc: rs5c372: fix incorrect oscillation value on r2221tl
rtc: rs5c372: add offset correction support
rtc: cmos: avoid UIP when writing alarm time
rtc: cmos: avoid UIP when reading alarm time
rtc: mc146818-lib: refactor mc146818_does_rtc_work
rtc: mc146818-lib: refactor mc146818_get_time
rtc: mc146818-lib: extract mc146818_avoid_UIP
rtc: mc146818-lib: fix RTC presence check
rtc: Check return value from mc146818_get_time()
...
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Linus Torvalds
Dave Airlie
Alex Elder
James Morse
Randy Dunlap
Helge Deller
David Howells
Thomas Gleixner
Geert Uytterhoeven
Geert Uytterhoeven
Catalin Marinas
Rob Herring
Paolo Bonzini
Anshuman Khandual
Paul Menzel
Pali Rohár
Takahiro Itazuri
Jonathan Corbet
Shuah Khan
Marc Kleine-Budde
Nicolas Frattaroli
Christoph Hellwig