linux-kernel - Re: [PATCH v2] x86 / hibernate: Use hlt_play

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Date:	Thu, 14 Jul 2016 10:57:15 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	linux-pm@...r.kernel.org, x86@...nel.org,
	Chen Yu <yu.c.chen@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, Pavel Machek <pavel@....cz>,
	Borislav Petkov <bp@...e.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>, Len Brown <lenb@...nel.org>,
	linux-kernel@...r.kernel.org, James Morse <james.morse@....com>
Subject: Re: [PATCH v2] x86 / hibernate: Use hlt_play_dead() when resuming
 from hibernation


* Rafael J. Wysocki <rjw@...ysocki.net> wrote:

> A new version here.
> 
> I prefer this one, because it only adds any overhead if hibernation is actually
> used, but then it is a bit more of a hack.
> 
> If you prefer the previous one, please let me know.
> 
> ---
>  arch/x86/include/asm/smp.h |    1 +
>  arch/x86/kernel/smpboot.c  |    2 +-
>  arch/x86/power/cpu.c       |   30 ++++++++++++++++++++++++++++++
>  kernel/power/hibernate.c   |    7 ++++++-
>  kernel/power/power.h       |    2 ++
>  5 files changed, 40 insertions(+), 2 deletions(-)

Acked-by: Ingo Molnar <mingo@...nel.org>

Thanks,

	Ingo