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A last-minute regression fix in the previous asm-generic
branch contained a new regression from a typo.
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Merge tag 'asm-generic-fixes-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic fix from Arnd Bergmann:
"A last-minute arch/alpha regression fix: the previous asm-generic
branch contained a new regression from a typo"
* tag 'asm-generic-fixes-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
alpha: fix marvel_ioread8 build regression
These are three fixes for build warnings that came in during the
merge window.
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Merge tag 'arm-fixes-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"These are three fixes for build warnings that came in during the merge
window"
* tag 'arm-fixes-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: mmp: Make some symbols static
ARM: spear6xx: Staticize few definitions
clk: spear: Move prototype to accessible header
- Various clk rate range fixes
- Drop clk rate range constraints on clk_put() (redux)
* clk-rate-range: (28 commits)
clk: mediatek: clk-mux: Add .determine_rate() callback
clk: tests: Add tests for notifiers
clk: Update req_rate on __clk_recalc_rates()
clk: tests: Add missing test case for ranges
clk: qcom: clk-rcg2: Take clock boundaries into consideration for gfx3d
clk: Introduce the clk_hw_get_rate_range function
clk: Zero the clk_rate_request structure
clk: Stop forwarding clk_rate_requests to the parent
clk: Constify clk_has_parent()
clk: Introduce clk_core_has_parent()
clk: Switch from __clk_determine_rate to clk_core_round_rate_nolock
clk: Add our request boundaries in clk_core_init_rate_req
clk: Introduce clk_hw_init_rate_request()
clk: Move clk_core_init_rate_req() from clk_core_round_rate_nolock() to its caller
clk: Change clk_core_init_rate_req prototype
clk: Set req_rate on reparenting
clk: Take into account uncached clocks in clk_set_rate_range()
clk: tests: Add some tests for orphan with multiple parents
clk: tests: Add tests for mux with multiple parents
clk: tests: Add tests for single parent mux
...
Commit 8c193f4714 ("pwm: tegra: Optimize period calculation") updated
the period calculation in the Tegra PWM driver and now returns an error
if the period requested is less than minimum period supported. This is
breaking PWM support on various Tegra platforms. For example, on the
Tegra210 Jetson Nano platform this is breaking the PWM fan support and
probing the PWM fan driver now fails ...
pwm-fan pwm-fan: Failed to configure PWM: -22
pwm-fan: probe of pwm-fan failed with error -22
The problem is that the default parent clock for the PWM on Tegra210 is
a 32kHz clock and is unable to support the requested PWM period.
Fix PWM support on Tegra20, Tegra30, Tegra114, Tegra124 and Tegra210 by
updating the parent clock for the PWM to be the PLL_P.
Fixes: 8c193f4714 ("pwm: tegra: Optimize period calculation")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Robert Eckelmann <longnoserob@gmail.com> # TF101 T20
Tested-by: Antoni Aloy Torrens <aaloytorrens@gmail.com> # TF101 T20
Tested-by: Svyatoslav Ryhel <clamor95@gmail.com> # TF201 T30
Tested-by: Andreas Westman Dorcsak <hedmoo@yahoo.com> # TF700T T3
Link: https://lore.kernel.org/r/20221010100046.6477-1-jonathanh@nvidia.com
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
There is an issue when build with older versions of binutils 2.27.0,
arch/arm/mach-at91/pm_suspend.S: Assembler messages:
arch/arm/mach-at91/pm_suspend.S:1086: Error: garbage following instruction -- `ldr tmp1,=0x00020010UL'
Use UL() macro to fix the issue in assembly file.
Fixes: 4fd36e4583 ("ARM: at91: pm: add plla disable/enable support for sam9x60")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Link: https://lore.kernel.org/r/20221012030635.13140-1-wangkefeng.wang@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
These two clocks are now registered in the device tree as fixed clocks,
causing a regression in the driver as the clock already exists with
e.g. the name "pxo_board" as the MSM8660 GCC driver probes.
Fix this by just not hard-coding this anymore and everything works
like a charm.
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fixes: baecbda529 ("ARM: dts: qcom: msm8660: fix node names for fixed clocks")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20221013140745.7801-1-linus.walleij@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Since commit 262ca38f4b ("clk: Stop forwarding clk_rate_requests
to the parent"), the clk_rate_request is .. as the title says, not
forwarded anymore to the parent: this produces an issue with the
MediaTek clock MUX driver during GPU DVFS on MT8195, but not on
MT8192 or others.
This is because, differently from others, like MT8192 where all of
the clocks in the MFG parents tree are of mtk_mux type, but in the
parent tree of MT8195's MFG clock, we have one mtk_mux clock and
one (clk framework generic) mux clock, like so:
names: mfg_bg3d -> mfg_ck_fast_ref -> top_mfg_core_tmp (or) mfgpll
types: mtk_gate -> mux -> mtk_mux (or) mtk_pll
To solve this issue and also keep the GPU DVFS clocks code working
as expected, wire up a .determine_rate() callback for the mtk_mux
ops; for that, the standard clk_mux_determine_rate_flags() was used
as it was possible to.
This commit was successfully tested on MT6795 Xperia M5, MT8173 Elm,
MT8192 Spherion and MT8195 Tomato; no regressions were seen.
For the sake of some more documentation about this issue here's the
trace of it:
[ 12.211587] ------------[ cut here ]------------
[ 12.211589] WARNING: CPU: 6 PID: 78 at drivers/clk/clk.c:1462 clk_core_init_rate_req+0x84/0x90
[ 12.211593] Modules linked in: stp crct10dif_ce mtk_adsp_common llc rfkill snd_sof_xtensa_dsp
panfrost(+) sbs_battery cros_ec_lid_angle cros_ec_sensors snd_sof_of
cros_ec_sensors_core hid_multitouch cros_usbpd_logger snd_sof gpu_sched
snd_sof_utils fuse ipv6
[ 12.211614] CPU: 6 PID: 78 Comm: kworker/u16:2 Tainted: G W 6.0.0-next-20221011+ #58
[ 12.211616] Hardware name: Acer Tomato (rev2) board (DT)
[ 12.211617] Workqueue: devfreq_wq devfreq_monitor
[ 12.211620] pstate: 40400009 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 12.211622] pc : clk_core_init_rate_req+0x84/0x90
[ 12.211625] lr : clk_core_forward_rate_req+0xa4/0xe4
[ 12.211627] sp : ffff80000893b8e0
[ 12.211628] x29: ffff80000893b8e0 x28: ffffdddf92f9b000 x27: ffff46a2c0e8bc05
[ 12.211632] x26: ffff46a2c1041200 x25: 0000000000000000 x24: 00000000173eed80
[ 12.211636] x23: ffff80000893b9c0 x22: ffff80000893b940 x21: 0000000000000000
[ 12.211641] x20: ffff46a2c1039f00 x19: ffff46a2c1039f00 x18: 0000000000000000
[ 12.211645] x17: 0000000000000038 x16: 000000000000d904 x15: 0000000000000003
[ 12.211649] x14: ffffdddf9357ce48 x13: ffffdddf935e71c8 x12: 000000000004803c
[ 12.211653] x11: 00000000a867d7ad x10: 00000000a867d7ad x9 : ffffdddf90c28df4
[ 12.211657] x8 : ffffdddf9357a980 x7 : 0000000000000000 x6 : 0000000000000004
[ 12.211661] x5 : ffffffffffffffc8 x4 : 00000000173eed80 x3 : ffff80000893b940
[ 12.211665] x2 : 00000000173eed80 x1 : ffff80000893b940 x0 : 0000000000000000
[ 12.211669] Call trace:
[ 12.211670] clk_core_init_rate_req+0x84/0x90
[ 12.211673] clk_core_round_rate_nolock+0xe8/0x10c
[ 12.211675] clk_mux_determine_rate_flags+0x174/0x1f0
[ 12.211677] clk_mux_determine_rate+0x1c/0x30
[ 12.211680] clk_core_determine_round_nolock+0x74/0x130
[ 12.211682] clk_core_round_rate_nolock+0x58/0x10c
[ 12.211684] clk_core_round_rate_nolock+0xf4/0x10c
[ 12.211686] clk_core_set_rate_nolock+0x194/0x2ac
[ 12.211688] clk_set_rate+0x40/0x94
[ 12.211691] _opp_config_clk_single+0x38/0xa0
[ 12.211693] _set_opp+0x1b0/0x500
[ 12.211695] dev_pm_opp_set_rate+0x120/0x290
[ 12.211697] panfrost_devfreq_target+0x3c/0x50 [panfrost]
[ 12.211705] devfreq_set_target+0x8c/0x2d0
[ 12.211707] devfreq_update_target+0xcc/0xf4
[ 12.211708] devfreq_monitor+0x40/0x1d0
[ 12.211710] process_one_work+0x294/0x664
[ 12.211712] worker_thread+0x7c/0x45c
[ 12.211713] kthread+0x104/0x110
[ 12.211716] ret_from_fork+0x10/0x20
[ 12.211718] irq event stamp: 7102
[ 12.211719] hardirqs last enabled at (7101): [<ffffdddf904ea5a0>] finish_task_switch.isra.0+0xec/0x2f0
[ 12.211723] hardirqs last disabled at (7102): [<ffffdddf91794b74>] el1_dbg+0x24/0x90
[ 12.211726] softirqs last enabled at (6716): [<ffffdddf90410be4>] __do_softirq+0x414/0x588
[ 12.211728] softirqs last disabled at (6507): [<ffffdddf904171d8>] ____do_softirq+0x18/0x24
[ 12.211730] ---[ end trace 0000000000000000 ]---
Fixes: 262ca38f4b ("clk: Stop forwarding clk_rate_requests to the parent")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221011135548.318323-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
When debugging LLVM IR, it can be handy for clang to not discard value
names used for local variables and parameters. Compare the generated IR.
-fdiscard-value-names:
define i32 @core_sys_select(i32 %0, ptr %1, ptr %2, ptr %3, ptr %4) {
%6 = alloca i64
%7 = alloca %struct.poll_wqueues
%8 = alloca [64 x i32]
-fno-discard-value-names:
define i32 @core_sys_select(i32 %n, ptr %inp, ptr %outp, ptr %exp,
ptr %end_time) {
%expire.i = alloca i64
%table.i = alloca %struct.poll_wqueues
%stack_fds = alloca [64 x i32]
The rule for generating human readable LLVM IR (.ll) is only useful as a
debugging feature:
$ make LLVM=1 fs/select.ll
As Fangrui notes:
A LLVM_ENABLE_ASSERTIONS=off build of Clang defaults to
-fdiscard-value-names.
A LLVM_ENABLE_ASSERTIONS=on build of Clang defaults to
-fno-discard-value-names.
Explicitly enable -fno-discard-value-names so that the IR always contains
value names regardless of whether assertions were enabled or not.
Assertions generally are not enabled in releases of clang packaged by
distributions.
Link: https://github.com/ClangBuiltLinux/linux/issues/1467
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Fangrui Song <maskray@google.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Here are a few remaining patches for 6.1-rc1. The major changes
are the hibernation fixes for HD-audio CS35L41 codec and the
USB-audio small fixes against the last change. In addition, a
couple of HD-audio regression fixes and a couple of potential
mutex-deadlock fixes with OSS emulation in ALSA core side are seen.
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Merge tag 'sound-fix-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Here are a few remaining patches for 6.1-rc1.
The major changes are the hibernation fixes for HD-audio CS35L41 codec
and the USB-audio small fixes against the last change. In addition, a
couple of HD-audio regression fixes and a couple of potential
mutex-deadlock fixes with OSS emulation in ALSA core side are seen"
* tag 'sound-fix-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda: cs35l41: Support System Suspend
ALSA: hda: cs35l41: Remove suspend/resume hda hooks
ALSA: hda/cs_dsp_ctl: Fix mutex inversion when creating controls
ALSA: hda: hda_cs_dsp_ctl: Ensure pwr_lock is held before reading/writing controls
ALSA: hda: hda_cs_dsp_ctl: Minor clean and redundant code removal
ALSA: oss: Fix potential deadlock at unregistration
ALSA: rawmidi: Drop register_mutex in snd_rawmidi_free()
ALSA: hda/realtek: Add Intel Reference SSID to support headset keys
ALSA: hda/realtek: Add quirk for ASUS GV601R laptop
ALSA: hda/realtek: Correct pin configs for ASUS G533Z
ALSA: usb-audio: Avoid superfluous endpoint setup
ALSA: usb-audio: Correct the return code from snd_usb_endpoint_set_params()
ALSA: usb-audio: Apply mutex around snd_usb_endpoint_set_params()
ALSA: usb-audio: Avoid unnecessary interface change at EP close
ALSA: hda: Update register polling macros
ALSA: hda/realtek: remove ALC289_FIXUP_DUAL_SPK for Dell 5530
that's pretty much it.
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Merge tag 'leds-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
"This is very quiet release for LEDs, pca963 got blinking support and
that's pretty much it"
* tag 'leds-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
leds: pca963: fix misleading indentation
dt-bindings: leds: Document mmc trigger
leds: pca963x: fix blink with hw acceleration
- Various performance optimizations, resulting in a 4%-9% speedup
in the mmtests/config-scheduler-perfpipe micro-benchmark.
- New interface to turn PSI on/off on a per cgroup level.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-psi-2022-10-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull PSI updates from Ingo Molnar:
- Various performance optimizations, resulting in a 4%-9% speedup in
the mmtests/config-scheduler-perfpipe micro-benchmark.
- New interface to turn PSI on/off on a per cgroup level.
* tag 'sched-psi-2022-10-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/psi: Per-cgroup PSI accounting disable/re-enable interface
sched/psi: Cache parent psi_group to speed up group iteration
sched/psi: Consolidate cgroup_psi()
sched/psi: Add PSI_IRQ to track IRQ/SOFTIRQ pressure
sched/psi: Remove NR_ONCPU task accounting
sched/psi: Optimize task switch inside shared cgroups again
sched/psi: Move private helpers to sched/stats.h
sched/psi: Save percpu memory when !psi_cgroups_enabled
sched/psi: Don't create cgroup PSI files when psi_disabled
sched/psi: Fix periodic aggregation shut off
- Cortex-A55 errata workaround (repeat TLBI).
- AMPERE1 added to the Spectre-BHB affected list.
- MTE fix to avoid setting PG_mte_tagged if no tags have been touched on
a page.
- Fixed typo in the SCTLR_EL1.SPINTMASK bit naming (the commit log has
other typos).
- perf: return value check in ali_drw_pmu_probe(),
ALIBABA_UNCORE_DRW_PMU dependency on ACPI.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Cortex-A55 errata workaround (repeat TLBI)
- AMPERE1 added to the Spectre-BHB affected list
- MTE fix to avoid setting PG_mte_tagged if no tags have been touched
on a page
- Fixed typo in the SCTLR_EL1.SPINTMASK bit naming (the commit log has
other typos)
- perf: return value check in ali_drw_pmu_probe(),
ALIBABA_UNCORE_DRW_PMU dependency on ACPI
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Add AMPERE1 to the Spectre-BHB affected list
arm64: mte: Avoid setting PG_mte_tagged if no tags cleared or restored
MAINTAINERS: rectify file entry in ALIBABA PMU DRIVER
drivers/perf: ALIBABA_UNCORE_DRW_PMU should depend on ACPI
drivers/perf: fix return value check in ali_drw_pmu_probe()
arm64: errata: Add Cortex-A55 to the repeat tlbi list
arm64/sysreg: Fix typo in SCTR_EL1.SPINTMASK
refcounting errors in ZONE_DEVICE pages.
- Peter Xu fixes some userfaultfd test harness instability.
- Various other patches in MM, mainly fixes.
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Merge tag 'mm-stable-2022-10-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more MM updates from Andrew Morton:
- fix a race which causes page refcounting errors in ZONE_DEVICE pages
(Alistair Popple)
- fix userfaultfd test harness instability (Peter Xu)
- various other patches in MM, mainly fixes
* tag 'mm-stable-2022-10-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (29 commits)
highmem: fix kmap_to_page() for kmap_local_page() addresses
mm/page_alloc: fix incorrect PGFREE and PGALLOC for high-order page
mm/selftest: uffd: explain the write missing fault check
mm/hugetlb: use hugetlb_pte_stable in migration race check
mm/hugetlb: fix race condition of uffd missing/minor handling
zram: always expose rw_page
LoongArch: update local TLB if PTE entry exists
mm: use update_mmu_tlb() on the second thread
kasan: fix array-bounds warnings in tests
hmm-tests: add test for migrate_device_range()
nouveau/dmem: evict device private memory during release
nouveau/dmem: refactor nouveau_dmem_fault_copy_one()
mm/migrate_device.c: add migrate_device_range()
mm/migrate_device.c: refactor migrate_vma and migrate_deivce_coherent_page()
mm/memremap.c: take a pgmap reference on page allocation
mm: free device private pages have zero refcount
mm/memory.c: fix race when faulting a device private page
mm/damon: use damon_sz_region() in appropriate place
mm/damon: move sz_damon_region to damon_sz_region
lib/test_meminit: add checks for the allocation functions
...
This reverts commit e96e27fc6f.
Jonathan reported that this commit broke this topology, where all the space
available on bus 02 was assigned to the 02:00.0 bridge window, leaving none
for the e1000 device at 02:00.1:
pci 0000:00:04.0: bridge window [mem 0x10200000-0x103fffff] to [bus 02-04]
pci 0000:02:00.0: bridge window [mem 0x10200000-0x103fffff] to [bus 03-04]
pci 0000:02:00.1: BAR 0: failed to assign [mem size 0x00020000]
e1000 0000:02:00.1: can't ioremap BAR 0: [??? 0x00000000 flags 0x0]
Link: https://lore.kernel.org/r/20221014124553.0000696f@huawei.com
Reported-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
* Convert the PDC console to an early console
* Unbreak mmap() of graphics card memory due to PAGE_SPECIAL pgtable flag
* Reduce the size of the alternative tables
* Align stifb graphics card memory size to 4MB
* Spelling fixes
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Merge tag 'parisc-for-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
"Fixes:
- When we added basic vDSO support in kernel 5.18 we introduced a bug
which prevented a mmap() of graphic card memory. This is because we
used the DMB (data memory break trap bit) page flag as special-bit,
but missed to clear that bit when loading the TLB.
- Graphics card memory size was not correctly aligned
- Spelling fixes (from Colin Ian King)
Enhancements:
- PDC console (which uses firmware calls) now rewritten as early
console
- Reduced size of alternative tables"
* tag 'parisc-for-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix spelling mistake "mis-match" -> "mismatch" in eisa driver
parisc: Fix userspace graphics card breakage due to pgtable special bit
parisc: fbdev/stifb: Align graphics memory size to 4MB
parisc: Convert PDC console to an early console
parisc: Reduce kernel size by packing alternative tables
- Generate a change uevent on unsolicited device end I/O interrupt for z/VM
unit record devices supported by the vmur driver. This event can be used to
automatically trigger processing of files as they arrive in the z/VM reader.
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Merge tag 's390-6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Vasily Gorbik:
- Generate a change uevent on unsolicited device end I/O interrupt for
z/VM unit record devices supported by the vmur driver. This event can
be used to automatically trigger processing of files as they arrive
in the z/VM reader.
* tag 's390-6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/vmur: generate uevent on unsolicited device end
s390/vmur: remove unnecessary BUG statement
* A handful of DT updates for the PolarFire SOC.
* A fix to correct the handling of write-only mappings.
* m{vetndor,arcd,imp}id is now in /proc/cpuinfo
* The SiFive L2 cache controller support has been refactored to also
support L3 caches.
There's also a handful of fixes, cleanups and improvements throughout
the tree.
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Merge tag 'riscv-for-linus-6.1-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull more RISC-V updates from Palmer Dabbelt:
- DT updates for the PolarFire SOC
- a fix to correct the handling of write-only mappings
- m{vetndor,arcd,imp}id is now in /proc/cpuinfo
- the SiFive L2 cache controller support has been refactored to also
support L3 caches
- misc fixes, cleanups and improvements throughout the tree
* tag 'riscv-for-linus-6.1-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (42 commits)
MAINTAINERS: add RISC-V's patchwork
RISC-V: Make port I/O string accessors actually work
riscv: enable software resend of irqs
RISC-V: Re-enable counter access from userspace
riscv: vdso: fix NULL deference in vdso_join_timens() when vfork
riscv: Add cache information in AUX vector
soc: sifive: ccache: define the macro for the register shifts
soc: sifive: ccache: use pr_fmt() to remove CCACHE: prefixes
soc: sifive: ccache: reduce printing on init
soc: sifive: ccache: determine the cache level from dts
soc: sifive: ccache: Rename SiFive L2 cache to Composable cache.
dt-bindings: sifive-ccache: change Sifive L2 cache to Composable cache
riscv: check for kernel config option in t-head memory types errata
riscv: use BIT() marco for cpufeature probing
riscv: use BIT() macros in t-head errata init
riscv: drop some idefs from CMO initialization
riscv: cleanup svpbmt cpufeature probing
riscv: Pass -mno-relax only on lld < 15.0.0
RISC-V: Avoid dereferening NULL regs in die()
dt-bindings: riscv: add new riscv,isa strings for emulators
...
- Fix 32-bit syscall wrappers with 64-bit arguments of unaligned register-pairs.
Notably this broke ftruncate64 & pread/write64, which can lead to file corruption.
- Fix lost interrupts when returning to soft-masked context on 64-bit.
- Fix build failure when CONFIG_DTL=n.
Thanks to: Nicholas Piggin, Jason A. Donenfeld, Guenter Roeck, Arnd Bergmann, Sachin Sant.
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Merge tag 'powerpc-6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix 32-bit syscall wrappers with 64-bit arguments of unaligned
register-pairs. Notably this broke ftruncate64 & pread/write64, which
can lead to file corruption.
- Fix lost interrupts when returning to soft-masked context on 64-bit.
- Fix build failure when CONFIG_DTL=n.
Thanks to Nicholas Piggin, Jason A. Donenfeld, Guenter Roeck, Arnd
Bergmann, and Sachin Sant.
* tag 'powerpc-6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/pseries: Fix CONFIG_DTL=n build
powerpc/64s/interrupt: Fix lost interrupts when returning to soft-masked context
powerpc/32: fix syscall wrappers with 64-bit arguments of unaligned register-pairs
After commit 8799c0be89 ("drm/amd/display: Fix vblank refcount in vrr
transition"), a build with CONFIG_DEBUG_FS=n is broken due to a
misplaced brace, along the lines of:
In file included from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_trace.h:39,
from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:41:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: At top level:
./include/drm/drm_atomic.h:864:9: error: expected identifier or ‘(’ before ‘for’
864 | for ((__i) = 0; \
| ^~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:8317:9: note: in expansion of macro ‘for_each_new_crtc_in_state’
8317 | for_each_new_crtc_in_state(state, crtc, new_crtc_state, j)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
Move the brace within the #ifdef so that the file can be built with or
without CONFIG_DEBUG_FS.
Fixes: 8799c0be89 ("drm/amd/display: Fix vblank refcount in vrr transition")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There are several spelling mistakes in kernel error messages. Fix them.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Remove unnecessary NULL check of oparam->cifs_sb when parsing symlink
error response as it's already set by all smb2_open_file() callers and
deferenced earlier.
This fixes below report:
fs/cifs/smb2file.c:126 smb2_open_file()
warn: variable dereferenced before check 'oparms->cifs_sb' (see line 112)
Link: https://lore.kernel.org/r/Y0kt42j2tdpYakRu@kili
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
If the kernel exposes a new perf_event_attr field in a format attr, perf
will return an error stating the specified PMU can't be found. For
example, a format attr with 'config3:0-63' causes an error as config3 is
unknown to perf. This causes a compatibility issue between a newer
kernel with older perf tool.
Before this change with a kernel adding 'config3' I get:
$ perf record -e arm_spe// -- true
event syntax error: 'arm_spe//'
\___ Cannot find PMU `arm_spe'. Missing kernel support?
Run 'perf list' for a list of valid events
Usage: perf record [<options>] [<command>]
or: perf record [<options>] -- <command> [<options>]
-e, --event <event> event selector. use 'perf list' to list
available events
After this change, I get:
$ perf record -e arm_spe// -- true
WARNING: 'arm_spe_0' format 'inv_event_filter' requires 'perf_event_attr::config3' which is not supported by this version of perf!
[ perf record: Woken up 2 times to write data ]
[ perf record: Captured and wrote 0.091 MB perf.data ]
To support unknown configN formats, rework the YACC implementation to
pass any config[0-9]+ format to perf_pmu__new_format() to handle with a
warning.
Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Tested-by: Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220914-arm-perf-tool-spe1-2-v2-v4-1-83c098e6212e@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
$ perf list metricgroups
gives
List of pre-defined events (to be used in -e):
Metric Groups:
Backend
Bad
BadSpec
But that's incorrect of course because metric groups or metrics can only
be specified with -M. So fix the message to say -e or -M
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20221004192634.998984-1-ak@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The -C/--cpu option was maily for report but it also affected record as
it ate the option. So users needed to use "--" after perf mem record to
pass the info to the perf record properly.
Check if this option is set for record, and pass it to the actual perf
record.
Before)
$ sudo perf --debug perf-event-open mem record -C 0 2>&1 | grep -a sys_perf_event_open
...
sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 4
sys_perf_event_open: pid -1 cpu 1 group_fd -1 flags 0x8 = 5
sys_perf_event_open: pid -1 cpu 2 group_fd -1 flags 0x8 = 6
sys_perf_event_open: pid -1 cpu 3 group_fd -1 flags 0x8 = 7
sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 8
sys_perf_event_open: pid -1 cpu 1 group_fd -1 flags 0x8 = 9
sys_perf_event_open: pid -1 cpu 2 group_fd -1 flags 0x8 = 10
sys_perf_event_open: pid -1 cpu 3 group_fd -1 flags 0x8 = 11
...
After)
$ sudo perf --debug perf-event-open mem record -C 0 2>&1 | grep -a sys_perf_event_open
...
sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 4
sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 5
sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 6
sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 = 7
Reported-by: Ravi Bangoria <ravi.bangoria@amd.com>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Leo Yan <leo.yan@linaro.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20221004200211.1444521-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Its just for that __packed define, so use it expanded as __attribute__((packed)),
like the other files in /usr/include do.
This was problem was preventing building the libperf examples on ALT
Linux and Fedora 35, fix it.
Reported-by: Vitaly Chikunov <vt@altlinux.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Dmitry Levin <ldv@altlinux.org
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lore.kernel.org/lkml/Y0lnpl2Ix7VljVDc@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Convert list of clang-tidy arguments to a list for ease of adding to
them and extending them as required.
Signed-off-by: Guru Das Srinagesh <quic_gurus@quicinc.com>
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
The musl implementation of getopt stops looking for options after the
first non-option argument. Put the options before the non-option
argument so environments using musl can still build the kernel and
modules.
Fixes: f73edc8951 ("kbuild: unify two modpost invocations")
Link: https://git.musl-libc.org/cgit/musl/tree/src/misc/getopt.c?h=dc9285ad1dc19349c407072cc48ba70dab86de45#n44
Signed-off-by: Richard Acayan <mailingradian@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This test commonly fails on Arm Juno because the instruction interval
is large enough to miss generating any samples for Perf in system-wide
mode.
Fix this by lowering the interval until a comfortable number of Perf
instructions are generated. The test is still quick to run because only
a small amount of trace is gathered.
Before:
sudo ./perf test coresight -vvv
...
Recording trace with system wide mode
Looking at perf.data file for dumping branch samples:
Looking at perf.data file for reporting branch samples:
Looking at perf.data file for instruction samples:
CoreSight system wide testing: FAIL
...
After:
sudo ./perf test coresight -vvv
...
Recording trace with system wide mode
Looking at perf.data file for dumping branch samples:
Looking at perf.data file for reporting branch samples:
Looking at perf.data file for instruction samples:
CoreSight system wide testing: PASS
...
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: James Clark <james.clark@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org
Link: https://lore.kernel.org/r/20221005140508.1537277-1-james.clark@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The recent change in the cgroup will break the backward compatiblity in
the BPF program. It should support both old and new kernels using BPF
CO-RE technique.
Like the task_struct->__state handling in the offcpu analysis, we can
check the field name in the cgroup struct.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: bpf@vger.kernel.org
Cc: cgroups@vger.kernel.org
Cc: zefan li <lizefan.x@bytedance.com>
Link: http://lore.kernel.org/lkml/20221011052808.282394-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Commit df24e1783e ("parisc: Add vDSO support") introduced the vDSO
support, for which a _PAGE_SPECIAL page table flag was needed. Since we
wanted to keep every page table entry in 32-bits, this patch re-used the
existing - but yet unused - _PAGE_DMB flag (which triggers a hardware break
if a page is accessed) to store the special bit.
But when graphics card memory is mmapped into userspace, the kernel uses
vm_iomap_memory() which sets the the special flag. So, with the DMB bit
set, every access to the graphics memory now triggered a hardware
exception and segfaulted the userspace program.
Fix this breakage by dropping the DMB bit when writing the page
protection bits to the CPU TLB.
In addition this patch adds a small optimization: if huge pages aren't
configured (which is at least the case for 32-bit kernels), then the
special bit is stored in the hpage (HUGE PAGE) bit instead. That way we
can skip to reset the DMB bit.
Fixes: df24e1783e ("parisc: Add vDSO support")
Cc: <stable@vger.kernel.org> # 5.18+
Signed-off-by: Helge Deller <deller@gmx.de>
Independend of the current graphics resolution, adjust the reported
graphics card memory size to the next 4MB boundary.
This fixes the fbtest program which expects a naturally aligned size.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org>
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Merge tag 'block-6.1-2022-10-13' of git://git.kernel.dk/linux
Pull more block updates from Jens Axboe:
"Fixes that ended up landing later than the initial block pull request.
Nothing really major in here:
- NVMe pull request via Christoph:
- add NVME_QUIRK_BOGUS_NID for Lexar NM760 (Abhijit)
- add NVME_QUIRK_NO_DEEPEST_PS to avoid the deepest sleep state
on ZHITAI TiPro5000 SSDs (Xi Ruoyao)
- fix possible hang caused during ctrl deletion (Sagi Grimberg)
- fix possible hang in live ns resize with ANA access (Sagi
Grimberg)
- Proactively avoid a sign extension issue with the queue flags
(Brian)
- Regression fix for hidden disks (Christoph)
- Update OPAL maintainers entry (Jonathan)
- blk-wbt regression initialization fix (Yu)"
* tag 'block-6.1-2022-10-13' of git://git.kernel.dk/linux:
nvme-multipath: fix possible hang in live ns resize with ANA access
nvme-pci: avoid the deepest sleep state on ZHITAI TiPro5000 SSDs
nvme-pci: add NVME_QUIRK_BOGUS_NID for Lexar NM760
nvme-tcp: fix possible hang caused during ctrl deletion
nvme-rdma: fix possible hang caused during ctrl deletion
block: fix leaking minors of hidden disks
block: avoid sign extend problem with default queue flags mask
blk-wbt: fix that 'rwb->wc' is always set to 1 in wbt_init()
block: Remove the repeat word 'can'
MAINTAINERS: Update SED-Opal Maintainers
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Merge tag 'io_uring-6.1-2022-10-13' of git://git.kernel.dk/linux
Pull more io_uring updates from Jens Axboe:
"A collection of fixes that ended up either being later than the
initial pull, or dependent on multiple branches (6.0-late being one of
them) and hence deferred purposely. This contains:
- Cleanup fixes for the single submitter late 6.0 change, which we
pushed to 6.1 to keep the 6.0 changes small (Dylan, Pavel)
- Fix for IORING_OP_CONNECT not handling -EINPROGRESS correctly (me)
- Ensure that the zc sendmsg variant gets audited correctly (me)
- Regression fix from this merge window where kiocb_end_write()
doesn't always gets called, which can cause issues with fs freezing
(me)
- Registered files SCM handling fix (Pavel)
- Regression fix for big sqe dumping in fdinfo (Pavel)
- Registered buffers accounting fix (Pavel)
- Remove leftover notification structures, we killed them off late in
6.0 (Pavel)
- Minor optimizations (Pavel)
- Cosmetic variable shadowing fix (Stefan)"
* tag 'io_uring-6.1-2022-10-13' of git://git.kernel.dk/linux:
io_uring/rw: ensure kiocb_end_write() is always called
io_uring: fix fdinfo sqe offsets calculation
io_uring: local variable rw shadows outer variable in io_write
io_uring/opdef: remove 'audit_skip' from SENDMSG_ZC
io_uring: optimise locking for local tw with submit_wait
io_uring: remove redundant memory barrier in io_req_local_work_add
io_uring/net: handle -EINPROGRESS correct for IORING_OP_CONNECT
io_uring: remove notif leftovers
io_uring: correct pinned_vm accounting
io_uring/af_unix: defer registered files gc to io_uring release
io_uring: limit registration w/ SINGLE_ISSUER
io_uring: remove io_register_submitter
io_uring: simplify __io_uring_add_tctx_node
The RISC-V patchwork instance on kernel.org has had some necromancy
performed on it & will be used going forward. The statuses that are
intended to be used are:
- New: No action has been taken yet
- Under Review: The maintainer is waiting for review comments from others
- Changes Requested: Either the maintainer or a reviewer requested
changes in the patch. The patch author is expected to submit a new
version
- Superseded: There's a new version of the patch available
- Not Applicable: The patch is not intended for the RISC-V tree
- Accepted: The patch has been applied
- Rejected: The patch has been rejected, with reasons stated in an
email
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221011160744.2167025-1-conor@kernel.org/
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Compiler warnings：
drivers/rtc/rtc-rv3028.c: In function 'rv3028_param_set':
drivers/rtc/rtc-rv3028.c:559:20: warning: statement will never be executed [-Wswitch-unreachable]
559 | u8 mode;
| ^~~~
drivers/rtc/rtc-rv3028.c: In function 'rv3028_param_get':
drivers/rtc/rtc-rv3028.c:526:21: warning: statement will never be executed [-Wswitch-unreachable]
526 | u32 value;
| ^~~~~
Fix it by moving the variable declaration to the beginning of the function.
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: linux-rtc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reported-by: k2ci <kernel-bot@kylinos.cn>
Signed-off-by: Ke Sun <sunke@kylinos.cn>
Link: https://lore.kernel.org/r/20221008071321.1799971-1-sunke@kylinos.cn
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Because acpi_install_fixed_event_handler() enables the event
automatically on success, it is incorrect to call it before the
handler routine passed to it is ready to handle events.
Unfortunately, the rtc-cmos driver does exactly the incorrect thing
by calling cmos_wake_setup(), which passes rtc_handler() to
acpi_install_fixed_event_handler(), before cmos_do_probe(), because
rtc_handler() uses dev_get_drvdata() to get to the cmos object
pointer and the driver data pointer is only populated in
cmos_do_probe().
This leads to a NULL pointer dereference in rtc_handler() on boot
if the RTC fixed event happens to be active at the init time.
To address this issue, change the initialization ordering of the
driver so that cmos_wake_setup() is always called after a successful
cmos_do_probe() call.
While at it, change cmos_pnp_probe() to call cmos_do_probe() after
the initial if () statement used for computing the IRQ argument to
be passed to cmos_do_probe() which is cleaner than calling it in
each branch of that if () (local variable "irq" can be of type int,
because it is passed to that function as an argument of type int).
Note that commit 6492fed7d8 ("rtc: rtc-cmos: Do not check
ACPI_FADT_LOW_POWER_S0") caused this issue to affect a larger number
of systems, because previously it only affected systems with
ACPI_FADT_LOW_POWER_S0 set, but it is present regardless of that
commit.
Fixes: 6492fed7d8 ("rtc: rtc-cmos: Do not check ACPI_FADT_LOW_POWER_S0")
Fixes: a474aaedac ("rtc-cmos: move wake setup from ACPI glue into RTC driver")
Link: https://lore.kernel.org/linux-acpi/20221010141630.zfzi7mk7zvnmclzy@techsingularity.net/
Reported-by: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Mel Gorman <mgorman@techsingularity.net>
Link: https://lore.kernel.org/r/5629262.DvuYhMxLoT@kreacher
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Fix port I/O string accessors such as `insb', `outsb', etc. which use
the physical PCI port I/O address rather than the corresponding memory
mapping to get at the requested location, which in turn breaks at least
accesses made by our parport driver to a PCIe parallel port such as:
PCI parallel port detected: 1415:c118, I/O at 0x1000(0x1008), IRQ 20
parport0: PC-style at 0x1000 (0x1008), irq 20, using FIFO [PCSPP,TRISTATE,COMPAT,EPP,ECP]
causing a memory access fault:
Unable to handle kernel access to user memory without uaccess routines at virtual address 0000000000001008
Oops [#1]
Modules linked in:
CPU: 1 PID: 350 Comm: cat Not tainted 6.0.0-rc2-00283-g10d4879f9ef0-dirty #23
Hardware name: SiFive HiFive Unmatched A00 (DT)
epc : parport_pc_fifo_write_block_pio+0x266/0x416
ra : parport_pc_fifo_write_block_pio+0xb4/0x416
epc : ffffffff80542c3e ra : ffffffff80542a8c sp : ffffffd88899fc60
gp : ffffffff80fa2700 tp : ffffffd882b1e900 t0 : ffffffd883d0b000
t1 : ffffffffff000002 t2 : 4646393043330a38 s0 : ffffffd88899fcf0
s1 : 0000000000001000 a0 : 0000000000000010 a1 : 0000000000000000
a2 : ffffffd883d0a010 a3 : 0000000000000023 a4 : 00000000ffff8fbb
a5 : ffffffd883d0a001 a6 : 0000000100000000 a7 : ffffffc800000000
s2 : ffffffffff000002 s3 : ffffffff80d28880 s4 : ffffffff80fa1f50
s5 : 0000000000001008 s6 : 0000000000000008 s7 : ffffffd883d0a000
s8 : 0004000000000000 s9 : ffffffff80dc1d80 s10: ffffffd8807e4000
s11: 0000000000000000 t3 : 00000000000000ff t4 : 393044410a303930
t5 : 0000000000001000 t6 : 0000000000040000
status: 0000000200000120 badaddr: 0000000000001008 cause: 000000000000000f
[<ffffffff80543212>] parport_pc_compat_write_block_pio+0xfe/0x200
[<ffffffff8053bbc0>] parport_write+0x46/0xf8
[<ffffffff8050530e>] lp_write+0x158/0x2d2
[<ffffffff80185716>] vfs_write+0x8e/0x2c2
[<ffffffff80185a74>] ksys_write+0x52/0xc2
[<ffffffff80185af2>] sys_write+0xe/0x16
[<ffffffff80003770>] ret_from_syscall+0x0/0x2
---[ end trace 0000000000000000 ]---
For simplicity address the problem by adding PCI_IOBASE to the physical
address requested in the respective wrapper macros only, observing that
the raw accessors such as `__insb', `__outsb', etc. are not supposed to
be used other than by said macros. Remove the cast to `long' that is no
longer needed on `addr' now that it is used as an offset from PCI_IOBASE
and add parentheses around `addr' needed for predictable evaluation in
macro expansion. No need to make said adjustments in separate changes
given that current code is gravely broken and does not ever work.
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Fixes: fab957c11e ("RISC-V: Atomic and Locking Code")
Cc: stable@vger.kernel.org # v4.15+
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/alpine.DEB.2.21.2209220223080.29493@angie.orcam.me.uk
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
I'm merging this in as a single commit as it's a dependency for some
other work.
* commit '3baca1a4d490484fcd555413f1fec85b2e071912':
RISC-V: Add mvendorid, marchid, and mimpid to /proc/cpuinfo output
Commit 2139619bca ("riscv: mmap with PROT_WRITE but no PROT_READ is
invalid") made mmap() reject mappings with only PROT_WRITE set in an
attempt to fix an observed inconsistency in behavior when attempting
to read from a PROT_WRITE-only mapping. The root cause of this behavior
was actually that while RISC-V's protection_map maps VM_WRITE to
readable PTE permissions (since write-only PTEs are considered reserved
by the privileged spec), the page fault handler considered loads from
VM_WRITE-only VMAs illegal accesses. Fix the underlying cause by
handling faults in VM_WRITE-only VMAs (patch 1) and then re-enable
use of mmap(PROT_WRITE) (patch 2), making RISC-V's behavior consistent
with all other architectures that don't support write-only PTEs.
* remotes/palmer/riscv-wonly:
riscv: Allow PROT_WRITE-only mmap()
riscv: Make VM_WRITE imply VM_READ
Link: https://lore.kernel.org/r/20220915193702.2201018-1-abrestic@rivosinc.com/
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
- Fixes for Mediatek MT6370 binding
- Merge the DT overlay maintainer entry to the main entry as Pantelis is
not active and Frank is taking a step back
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Merge tag 'devicetree-fixes-for-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Fixes for Mediatek MT6370 binding
- Merge the DT overlay maintainer entry to the main entry as Pantelis
is not active and Frank is taking a step back
* tag 'devicetree-fixes-for-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
MAINTAINERS: of: collapse overlay entry into main device tree entry
dt-bindings: mfd: mt6370: fix the interrupt order of the charger in the example
dt-bindings: leds: mt6370: Fix MT6370 LED indicator DT warning
The PLIC specification does not describe the interrupt pendings bits as
read-write, only that they "can be read". To allow for retriggering of
interrupts (and the use of the irq debugfs interface) enable
HARDIRQS_SW_RESEND for RISC-V.
Link: https://github.com/riscv/riscv-plic-spec/blob/master/riscv-plic.adoc#interrupt-pending-bits
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Tested-by: Palmer Dabbelt <palmer@rivosinc.com> # on QEMU
Reviewed-by: Björn Töpel <bjorn@kernel.org>
Link: https://lore.kernel.org/r/20220729111116.259146-1-conor.dooley@microchip.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Zong Li <zong.li@sifive.com> says:
Since composable cache may be L3 cache if private L2 cache exists, we
should use its original name "composable cache" to prevent confusion.
This patchset contains the modification which is related to ccache, such
as DT binding and EDAC driver.
* b4-shazam-merge:
riscv: Add cache information in AUX vector
soc: sifive: ccache: define the macro for the register shifts
soc: sifive: ccache: use pr_fmt() to remove CCACHE: prefixes
soc: sifive: ccache: reduce printing on init
soc: sifive: ccache: determine the cache level from dts
soc: sifive: ccache: Rename SiFive L2 cache to Composable cache.
dt-bindings: sifive-ccache: change Sifive L2 cache to Composable cache
Link: https://lore.kernel.org/r/20220913061817.22564-1-zong.li@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
