Merge remote-tracking branch 'torvalds/master' into perf/core

To pick up fixes and move perf/core forward, minor conflict as
perf_evlist__add_dummy() lost its 'perf_' prefix as it operates on a
'str

Merge remote-tracking branch 'torvalds/master' into perf/core

To pick up fixes and move perf/core forward, minor conflict as
perf_evlist__add_dummy() lost its 'perf_' prefix as it operates on a
'struct evlist', not on a 'struct perf_evlist', i.e. its tools/perf/
specific, it is not in libperf.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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Merge tag 'v5.8-rc4' into for-5.9/drivers

Merge in 5.8-rc4 for-5.9/block to setup for-5.9/drivers, to provide
a clean base and making the life for the NVMe changes easier.

Signed-off-by: Jens Axboe

Merge tag 'v5.8-rc4' into for-5.9/drivers

Merge in 5.8-rc4 for-5.9/block to setup for-5.9/drivers, to provide
a clean base and making the life for the NVMe changes easier.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

* tag 'v5.8-rc4': (732 commits)
Linux 5.8-rc4
x86/ldt: use "pr_info_once()" instead of open-coding it badly
MIPS: Do not use smp_processor_id() in preemptible code
MIPS: Add missing EHB in mtc0 -> mfc0 sequence for DSPen
.gitignore: Do not track `defconfig` from `make savedefconfig`
io_uring: fix regression with always ignoring signals in io_cqring_wait()
x86/ldt: Disable 16-bit segments on Xen PV
x86/entry/32: Fix #MC and #DB wiring on x86_32
x86/entry/xen: Route #DB correctly on Xen PV
x86/entry, selftests: Further improve user entry sanity checks
x86/entry/compat: Clear RAX high bits on Xen PV SYSENTER
i2c: mlxcpld: check correct size of maximum RECV_LEN packet
i2c: add Kconfig help text for slave mode
i2c: slave-eeprom: update documentation
i2c: eg20t: Load module automatically if ID matches
i2c: designware: platdrv: Set class based on DMI
i2c: algo-pca: Add 0x78 as SCL stuck low status for PCA9665
mm/page_alloc: fix documentation error
vmalloc: fix the owner argument for the new __vmalloc_node_range callers
mm/cma.c: use exact_nid true to fix possible per-numa cma leak
...

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Merge branch 'sched/urgent'

Merge remote-tracking branch 'torvalds/master' into perf/urgent

To synchronize UAPI headers.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

Merge branch 'perf/vlbr'

Merge tag 'v5.8-rc3' into arm/qcom

Linux 5.8-rc3

Merge 5.8-rc3 into usb-next

We want the USB fixes in here, and this resolves a merge issue found in
linux-next.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Merge 5.8-rc3 into staging-next

We want the staging fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Merge tag 'pm-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
"These fix a recent regression that broke suspend-to-idle on

Merge tag 'pm-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
"These fix a recent regression that broke suspend-to-idle on some x86
systems, fix the intel_pstate driver to correctly let the platform
firmware control CPU performance in some cases and add __init
annotations to a couple of functions.

Specifics:

- Make sure that the _TIF_POLLING_NRFLAG is clear before entering the
last phase of suspend-to-idle to avoid wakeup issues on some x86
systems (Chen Yu, Rafael Wysocki).

- Cover one more case in which the intel_pstate driver should let the
platform firmware control the CPU frequency and refuse to load
(Srinivas Pandruvada).

- Add __init annotations to 2 functions in the power management core
(Christophe JAILLET)"

* tag 'pm-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: Rearrange s2idle-specific idle state entry code
PM: sleep: core: mark 2 functions as __init to save some memory
cpufreq: intel_pstate: Add one more OOB control bit
PM: s2idle: Clear _TIF_POLLING_NRFLAG before suspend to idle

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Merge branches 'pm-cpufreq' and 'pm-cpuidle'

* pm-cpufreq:
cpufreq: intel_pstate: Add one more OOB control bit

* pm-cpuidle:
cpuidle: Rearrange s2idle-specific idle state entry code
PM: s2idl

Merge branches 'pm-cpufreq' and 'pm-cpuidle'

* pm-cpufreq:
cpufreq: intel_pstate: Add one more OOB control bit

* pm-cpuidle:
cpuidle: Rearrange s2idle-specific idle state entry code
PM: s2idle: Clear _TIF_POLLING_NRFLAG before suspend to idle

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cpuidle: Rearrange s2idle-specific idle state entry code

Implement call_cpuidle_s2idle() in analogy with call_cpuidle()
for the s2idle-specific idle state entry and invoke it from
cpuidle_idle_call(

cpuidle: Rearrange s2idle-specific idle state entry code

Implement call_cpuidle_s2idle() in analogy with call_cpuidle()
for the s2idle-specific idle state entry and invoke it from
cpuidle_idle_call() to make the s2idle-specific idle entry code
path look more similar to the "regular" idle entry one.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Chen Yu <yu.c.chen@intel.com>

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PM: s2idle: Clear _TIF_POLLING_NRFLAG before suspend to idle

Suspend to idle was found to not work on Goldmont CPU recently.

The issue happens due to:

1. On Goldmont the CPU in idle can only be w

PM: s2idle: Clear _TIF_POLLING_NRFLAG before suspend to idle

Suspend to idle was found to not work on Goldmont CPU recently.

The issue happens due to:

1. On Goldmont the CPU in idle can only be woken up via IPIs,
not POLLING mode, due to commit 08e237fa56a1 ("x86/cpu: Add
workaround for MONITOR instruction erratum on Goldmont based
CPUs")

2. When the CPU is entering suspend to idle process, the
_TIF_POLLING_NRFLAG remains on, because cpuidle_enter_s2idle()
doesn't match call_cpuidle() exactly.

3. Commit b2a02fc43a1f ("smp: Optimize send_call_function_single_ipi()")
makes use of _TIF_POLLING_NRFLAG to avoid sending IPIs to idle
CPUs.

4. As a result, some IPIs related functions might not work
well during suspend to idle on Goldmont. For example, one
suspected victim:

tick_unfreeze() -> timekeeping_resume() -> hrtimers_resume()
-> clock_was_set() -> on_each_cpu() might wait forever,
because the IPIs will not be sent to the CPUs which are
sleeping with _TIF_POLLING_NRFLAG set, and Goldmont CPU
could not be woken up by only setting _TIF_NEED_RESCHED
on the monitor address.

To avoid that, clear the _TIF_POLLING_NRFLAG flag before invoking
enter_s2idle_proper() in cpuidle_enter_s2idle() in analogy with the
call_cpuidle() code flow.

Fixes: b2a02fc43a1f ("smp: Optimize send_call_function_single_ipi()")
Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Suggested-by: Rafael J. Wysocki <rafael@kernel.org>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
[ rjw: Subject / changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

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Merge branch 'next' into for-linus

Prepare input updates for 5.8 merge window.

Merge branch 'for-5.8' into for-linus

Merge branch 'timers/drivers/timer-ti' into timers/drivers/next

Merge tag 'v5.6' into next

Sync up with mainline to get device tree and other changes.

Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu

Pull RCU updates from Paul McKenney:

1. Miscellaneous fixes.
2. kfree_rcu() updates.

Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu

Pull RCU updates from Paul McKenney:

1. Miscellaneous fixes.
2. kfree_rcu() updates.
3. Remove scheduler locking restriction
4. RCU-tasks update, including addition of RCU Tasks Trace for
BPF use and RCU Tasks Rude. (This branch is on top of #3 due
to overlap of changed code.)
5. RCU CPU stall warning updates.
6. Torture-test updates.

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Merge tag 'efi-next' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into efi/core

Pull EFI changes for v5.8 from Ard Biesheuvel:

"- preliminary changes for RISC-V
- add support for setti

Merge tag 'efi-next' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into efi/core

Pull EFI changes for v5.8 from Ard Biesheuvel:

"- preliminary changes for RISC-V
- add support for setting the resolution on the EFI framebuffer
- simplify kernel image loading for arm64
- Move .bss into .data via the linker script instead of relying on symbol
annotations.
- Get rid of __pure getters to access global variables
- Clean up the config table matching arrays"

Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Merge branch 'topic/nhlt' into for-next

Merge NHLT init cleanup.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

Merge tag 'tegra-for-5.7-asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into asoc-5.7

ASoC: tegra: Fixes for v5.7-rc3

This contains a couple of fixes that are needed to properly

Merge tag 'tegra-for-5.7-asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into asoc-5.7

ASoC: tegra: Fixes for v5.7-rc3

This contains a couple of fixes that are needed to properly reconfigure
the audio clocks on older Tegra devices.

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Merge branch 'fixes-v5.7' into fixes

Merge drm/drm-next into drm-misc-next

Backmerging required to pull topic/phy-compliance.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>

Merge drm/drm-next into drm-intel-next-queued

Backmerging in order to pull "topic/phy-compliance".

Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

Merge v5.7-rc1 into drm-misc-fixes

Start the new drm-misc-fixes cycle.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>

Merge tag 'v5.7-rc1' into locking/kcsan, to resolve conflicts and refresh

Resolve these conflicts:

arch/x86/Kconfig
arch/x86/kernel/Makefile

Do a minor "evil merge" to move the KCSAN entry up a

Merge tag 'v5.7-rc1' into locking/kcsan, to resolve conflicts and refresh

Resolve these conflicts:

arch/x86/Kconfig
arch/x86/kernel/Makefile

Do a minor "evil merge" to move the KCSAN entry up a bit by a few lines
in the Kconfig to reduce the probability of future conflicts.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

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