linux-kernel - Re: sched: Fix signedness bug in yield

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Message-ID: <20130221085654.GB23223@gmail.com>
Date:	Thu, 21 Feb 2013 09:56:54 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Shuah Khan <shuahkhan@...il.com>,
	Marcelo Tosatti <mtosatti@...hat.com>
Cc:	dan.carpenter@...cle.com, peterz@...radead.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	torvalds@...ux-foundation.org
Subject: Re: sched: Fix signedness bug in yield_to()


* Shuah Khan <shuahkhan@...il.com> wrote:

> On Tue, Feb 19, 2013 at 7:27 PM, Linux Kernel Mailing List
> <linux-kernel@...r.kernel.org> wrote:
> > Gitweb:     http://git.kernel.org/linus/;a=commit;h=c3c186403c6abd32e719f005f0af950155a9e54d
> > Commit:     c3c186403c6abd32e719f005f0af950155a9e54d
> > Parent:     e0a79f529d5ba2507486d498b25da40911d95cf6
> > Author:     Dan Carpenter <dan.carpenter@...cle.com>
> > AuthorDate: Tue Feb 5 14:37:51 2013 +0300
> > Committer:  Ingo Molnar <mingo@...nel.org>
> > CommitDate: Tue Feb 5 12:59:29 2013 +0100
> >
> >     sched: Fix signedness bug in yield_to()
> >
> >     In 7b270f6099 "sched: Bail out of yield_to when source and
> >     target runqueue has one task" we changed this to store -ESRCH so
> >     it needs to be signed.
> 
> Dan, Ingo,
> 
> I can't find the 7b270f6099 "sched: Bail out of yield_to when 
> source and target runqueue has one task" in the latest Linus's 
> git. Am I missing something.
> 
> The current kenel/sched/core.c doesn't have the code from the
> associated patch https://patchwork.kernel.org/patch/2016651/

As per the lkml discussion that one was supposed to go upstream 
via the KVM tree. Marcelo?

Thanks,

	Ingo
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