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Message-ID: <CAK1hOcNvC+GCBoj4vtCPYstnOOOq=hkKYCB8ceWCXEOxnzAAHg@mail.gmail.com>
Date: Mon, 13 Jul 2015 23:06:02 +0200
From: Denys Vlasenko <vda.linux@...glemail.com>
To: Hagen Paul Pfeifer <hagen@...u.net>
Cc: Ingo Molnar <mingo@...nel.org>, Borislav Petkov <bp@...en8.de>,
"H. Peter Anvin" <hpa@...or.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Ingo Molnar <mingo@...hat.com>,
Peter Zijlstra <peterz@...radead.org>,
Markus Trippelsdorf <markus@...ppelsdorf.de>,
Thomas Gleixner <tglx@...utronix.de>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH RFC] x86: enforce inlining for atomics
On Mon, Jul 13, 2015 at 9:20 PM, Hagen Paul Pfeifer <hagen@...u.net> wrote:
>> On July 13, 2015 at 8:27 PM Denys Vlasenko <vda.linux@...glemail.com>
>> wrote:
>
>> > So I think the original patch makes sense (and I already applied it),
>> > we want known-simple and performance critical methods (such as atomic
>> > ops) always inlined.
>>
>> I will send more such force-inlining patches your way then.
>
> Now? We discuss this a month back or so? :-)
Not *your* way.
I meant that I'll send patches to Ingo - I see that he agrees that
this worth fixing instead of waiting for a better compiler.
(Ideally, the compiler shouldn't do this, but gcc BZ comments
are not encouraging).
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