From: Borislav Petkov <bp@amd64.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Borislav Petkov <bp@amd64.org>, Michal Marek <mmarek@suse.cz>,
linux-kbuild <linux-kbuild@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Wu Fengguang <fengguang.wu@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
Jamie Lokier <jamie@shareable.org>,
Roland Dreier <rdreier@cisco.com>,
Al Viro <viro@ZenIV.linux.org.uk>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
Ingo Molnar <mingo@elte.hu>, Brian Gerst <brgerst@gmail.com>
Subject: Re: [PATCH] x86: Add optimized popcnt variants
Date: Sat, 27 Feb 2010 09:28:07 +0100 [thread overview]
Message-ID: <20100227082807.GA21706@aftab> (raw)
In-Reply-To: <4B88097E.7010608@zytor.com>
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Fri, Feb 26, 2010 at 09:48:46AM -0800
> Looks like -mm, which really means that either Andrew has to take your
> patch, too, or we have to wait until that is upstream until we can merge
> your patch.
>
> I'm a little nervous about just acking the patch and telling Andrew to
> test it, because I don't know what the fallout would look like. I'm
> particularly concerned about gcc version dependencies.
I have the same concern. Actually, I'll be much more at ease if it saw a
bit of wider testing without hitting mainline just yet. I'll try to give
it some more testing with the machines and toolchains I can get my hands
on next week.
> I guess, on the other hand, if it ends up not getting merged until .35
> it's not a huge deal either.
Yeah, let's give it another round of testing and queue it for .35 -
AFAIR Ingo runs also a wide testing effort so it spending another cycle
in -tip and being hammered on by us could give us a bit more certainty.
Thanks.
--
Regards/Gruss,
Boris.
-
Advanced Micro Devices, Inc.
Operating Systems Research Center
next prev parent reply other threads:[~2010-02-27 8:28 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
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[not found] ` <20100206093659.GA28326@aftab>
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[not found] ` <20100208092845.GB12618@a1.tnic>
[not found] ` <4B6FDAED.9060204@zytor.com>
[not found] ` <20100208095945.GA14740@a1.tnic>
[not found] ` <20100211172424.GB19779@aftab>
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[not found] ` <4B758FC0.1020600@zytor.com>
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2010-02-12 19:05 ` [PATCH 2/5] bitops: compile time optimization for hweight_long(CONSTANT) H. Peter Anvin
2010-02-17 13:57 ` Michal Marek
2010-02-17 17:20 ` Borislav Petkov
2010-02-17 17:31 ` Michal Marek
2010-02-17 17:34 ` Borislav Petkov
2010-02-17 17:39 ` Michal Marek
2010-02-18 6:19 ` Borislav Petkov
2010-02-19 14:22 ` [PATCH] x86: Add optimized popcnt variants Borislav Petkov
2010-02-19 16:06 ` H. Peter Anvin
2010-02-19 16:45 ` Borislav Petkov
2010-02-19 16:53 ` H. Peter Anvin
2010-02-22 14:17 ` Borislav Petkov
2010-02-22 17:21 ` H. Peter Anvin
2010-02-22 18:49 ` Borislav Petkov
2010-02-22 19:55 ` H. Peter Anvin
2010-02-23 6:37 ` Borislav Petkov
2010-02-23 15:58 ` Borislav Petkov
2010-02-23 17:34 ` H. Peter Anvin
2010-02-23 17:54 ` Borislav Petkov
2010-02-23 18:17 ` H. Peter Anvin
2010-02-23 19:06 ` Borislav Petkov
2010-02-26 5:27 ` H. Peter Anvin
2010-02-26 7:47 ` Borislav Petkov
2010-02-26 17:48 ` H. Peter Anvin
2010-02-27 8:28 ` Borislav Petkov [this message]
2010-02-27 20:00 ` H. Peter Anvin
2010-03-09 15:36 ` Borislav Petkov
2010-03-09 15:50 ` Peter Zijlstra
2010-03-09 16:23 ` Borislav Petkov
2010-03-09 16:32 ` Peter Zijlstra
2010-03-09 17:32 ` Borislav Petkov
2010-03-09 17:37 ` Peter Zijlstra
2010-03-18 11:17 ` Borislav Petkov
2010-03-18 11:19 ` [PATCH 1/2] bitops: Optimize hweight() by making use of compile-time evaluation Borislav Petkov
2010-03-18 11:20 ` [PATCH 2/2] x86: Add optimized popcnt variants Borislav Petkov
2010-02-18 10:51 ` [PATCH 2/5] bitops: compile time optimization for hweight_long(CONSTANT) Peter Zijlstra
2010-02-18 11:51 ` Borislav Petkov
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