All of lore.kernel.org
 help / color / mirror / Atom feed
From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: enable generic idle loop
Date: Tue, 15 Sep 2015 15:44:09 +0100	[thread overview]
Message-ID: <20150915144409.GF31157@arm.com> (raw)
In-Reply-To: <20150915143135.GG14287@e104818-lin.cambridge.arm.com>

On Tue, Sep 15, 2015 at 03:31:35PM +0100, Catalin Marinas wrote:
> On Tue, Sep 15, 2015 at 07:20:08PM +0800, Leo Yan wrote:
> > On Fri, Aug 21, 2015 at 04:54:25PM +0100, Catalin Marinas wrote:
> > > On Fri, Aug 21, 2015 at 05:14:46PM +0800, Leo Yan wrote:
> > > > On Fri, Aug 21, 2015 at 10:00:43AM +0100, Catalin Marinas wrote:
> > > > > On Fri, Aug 21, 2015 at 11:40:22AM +0800, Leo Yan wrote:
> > > > > > Enable generic idle loop for ARM64, so can support for hlt/nohlt
> > > > > > command line options to override default idle loop behavior.
> > > > > 
> > > > > Just curious, what do you need this for?
> > > > 
> > > > With this config, usually we can add "nohlt" in command line to force
> > > > the cpu will never be powered off; so can quickly narrow down if some
> > > > issues are related with cpuidle or not.
> > > > 
> > > > And if CPU is powered off, then its debug logic also will be powered off.
> > > > So we can simply use this method to let debugger always hot connect with
> > > > the target CPU.
> > > 
> > > OK.
> > > 
> > > Acked-by: Catalin Marinas <catalin.marinas@arm.com>
> > 
> > Suppose you have missed this patch at previous merge window,
> > so just for reminding.
> 
> It looks like it missed the merging window. Will, can this still be
> picked for 4.3? If not, it will be 4.4.

Yeah, it's harmless enough to pick up with the current crop of fixes.
Sorry I missed it.

Will

WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will.deacon@arm.com>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: "leo.yan@linaro.org" <leo.yan@linaro.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] arm64: enable generic idle loop
Date: Tue, 15 Sep 2015 15:44:09 +0100	[thread overview]
Message-ID: <20150915144409.GF31157@arm.com> (raw)
In-Reply-To: <20150915143135.GG14287@e104818-lin.cambridge.arm.com>

On Tue, Sep 15, 2015 at 03:31:35PM +0100, Catalin Marinas wrote:
> On Tue, Sep 15, 2015 at 07:20:08PM +0800, Leo Yan wrote:
> > On Fri, Aug 21, 2015 at 04:54:25PM +0100, Catalin Marinas wrote:
> > > On Fri, Aug 21, 2015 at 05:14:46PM +0800, Leo Yan wrote:
> > > > On Fri, Aug 21, 2015 at 10:00:43AM +0100, Catalin Marinas wrote:
> > > > > On Fri, Aug 21, 2015 at 11:40:22AM +0800, Leo Yan wrote:
> > > > > > Enable generic idle loop for ARM64, so can support for hlt/nohlt
> > > > > > command line options to override default idle loop behavior.
> > > > > 
> > > > > Just curious, what do you need this for?
> > > > 
> > > > With this config, usually we can add "nohlt" in command line to force
> > > > the cpu will never be powered off; so can quickly narrow down if some
> > > > issues are related with cpuidle or not.
> > > > 
> > > > And if CPU is powered off, then its debug logic also will be powered off.
> > > > So we can simply use this method to let debugger always hot connect with
> > > > the target CPU.
> > > 
> > > OK.
> > > 
> > > Acked-by: Catalin Marinas <catalin.marinas@arm.com>
> > 
> > Suppose you have missed this patch at previous merge window,
> > so just for reminding.
> 
> It looks like it missed the merging window. Will, can this still be
> picked for 4.3? If not, it will be 4.4.

Yeah, it's harmless enough to pick up with the current crop of fixes.
Sorry I missed it.

Will

  reply	other threads:[~2015-09-15 14:44 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-21  3:40 [PATCH] arm64: enable generic idle loop Leo Yan
2015-08-21  3:40 ` Leo Yan
2015-08-21  9:00 ` Catalin Marinas
2015-08-21  9:00   ` Catalin Marinas
2015-08-21  9:14   ` Leo Yan
2015-08-21  9:14     ` Leo Yan
2015-08-21 15:54     ` Catalin Marinas
2015-08-21 15:54       ` Catalin Marinas
2015-09-15 11:20       ` Leo Yan
2015-09-15 11:20         ` Leo Yan
2015-09-15 14:31         ` Catalin Marinas
2015-09-15 14:31           ` Catalin Marinas
2015-09-15 14:44           ` Will Deacon [this message]
2015-09-15 14:44             ` Will Deacon
2015-09-15 14:51             ` Leo Yan
2015-09-15 14:51               ` Leo Yan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20150915144409.GF31157@arm.com \
    --to=will.deacon@arm.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.