linux-kernel - Re: [PATCH v6 0/4] SRF: Fix offline CPU preventing pc6 entry

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Message-ID: <Z1bDbLZkfrxlie3M@BLRRASHENOY1.amd.com>
Date: Mon, 9 Dec 2024 15:46:12 +0530
From: "Gautham R. Shenoy" <gautham.shenoy@....com>
To: Patryk Wlazlyn <patryk.wlazlyn@...ux.intel.com>
Cc: x86@...nel.org, linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	rafael.j.wysocki@...el.com, peterz@...radead.org,
	dave.hansen@...ux.intel.com, tglx@...utronix.de,
	len.brown@...el.com, artem.bityutskiy@...ux.intel.com
Subject: Re: [PATCH v6 0/4] SRF: Fix offline CPU preventing pc6 entry

On Wed, Nov 27, 2024 at 05:15:14PM +0100, Patryk Wlazlyn wrote:
> Changes since v5:
>  * Split 1/3 from v5 into two commits, as suggestem by Gautham.
>    1/4 splits wait_play_dead into mwait_play_dead_with_hint.
>    2/4 and 3/4 uses the new mwait_play_dead_with_hint
>    4/4 removes mwait_play_dead and calls cpuidle_play_dead right away
> 
>  * Reword 1-3/4 changelog slightly.
> 
>  * Move changelog from v5 1/3 into v6 4/4

FWIW,

I have tested the series on AMD platforms and there are no issues.

Tested-by: Gautham R. Shenoy <gautham.shenoy@....com>

> 
> Patryk Wlazlyn (4):
>   x86/smp: Allow calling mwait_play_dead with an arbitrary hint
>   ACPI: processor_idle: Add FFH state handling
>   intel_idle: Provide the default enter_dead() handler
>   x86/smp native_play_dead: Prefer cpuidle_play_dead() over
>     mwait_play_dead()
> 
>  arch/x86/include/asm/smp.h    |  4 ++-
>  arch/x86/kernel/acpi/cstate.c |  9 +++++++
>  arch/x86/kernel/smpboot.c     | 50 ++++-------------------------------
>  drivers/acpi/processor_idle.c |  2 ++
>  drivers/idle/intel_idle.c     | 18 +++++++++++--
>  include/acpi/processor.h      |  5 ++++
>  6 files changed, 40 insertions(+), 48 deletions(-)
> 
> -- 
> 2.47.1
> 

--
Thanks and Regards
gautham.