From: "H. Peter Anvin" <hpa@zytor.com>
To: Borislav Petkov <petkovbb@gmail.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
Borislav Petkov <borislav.petkov@amd.com>,
greg@kroah.com, mingo@elte.hu, norsk5@yahoo.com,
tglx@linutronix.de, mchehab@redhat.com, aris@redhat.com,
edt@aei.ca, linux-kernel@vger.kernel.org,
randy.dunlap@oracle.com, Sam Ravnborg <sam@ravnborg.org>
Subject: Re: [PATCH 0/4] amd64_edac: misc fixes
Date: Mon, 01 Jun 2009 11:57:18 -0700 [thread overview]
Message-ID: <4A24248E.3060005@zytor.com> (raw)
In-Reply-To: <20090601181208.GA30565@liondog.tnic>
Borislav Petkov wrote:
> Actually, popcnt got added to gas in July 2006 so checking the gas
> version should suffice, IMHO.
gas is part of binutils.
> Anyway, I proposed something similar before but Andrew suggested that we
> should simply slap in the opcode so we don't need the Kbuild changes.
> The advantage of the approach is that it works unconditionally on all
> toolchains and introduces less code changes. Hmm...
That really sucks, though, in the long run. I personally prefer to have
the "right thing" -- which in this case is probably gcc intrinsics --
and then a fallback that will gradually fall out of use.
-hpa
next prev parent reply other threads:[~2009-06-01 18:58 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-20 18:43 [PATCH 0/4] amd64_edac: misc fixes Borislav Petkov
2009-05-20 18:43 ` [PATCH 1/4] x86: msr.h: fix build error Borislav Petkov
2009-05-20 18:43 ` [PATCH 2/4] amd64_edac: do not enable module by default Borislav Petkov
2009-05-20 18:43 ` [PATCH 3/4] EDAC: do not enable modules " Borislav Petkov
2009-05-20 18:43 ` [PATCH 4/4] amd64_edac: add MAINTAINERS entry Borislav Petkov
2009-05-20 21:41 ` [PATCH 0/4] amd64_edac: misc fixes Randy Dunlap
2009-05-28 23:47 ` Andrew Morton
2009-05-29 10:33 ` Borislav Petkov
2009-05-29 20:01 ` Andrew Morton
2009-05-30 8:19 ` Borislav Petkov
2009-05-30 8:40 ` Andrew Morton
2009-05-30 10:31 ` Borislav Petkov
2009-05-30 19:22 ` H. Peter Anvin
2009-06-01 14:53 ` Borislav Petkov
2009-06-01 16:54 ` H. Peter Anvin
2009-06-01 17:02 ` H. Peter Anvin
2009-06-01 17:31 ` H.J. Lu
2009-06-01 18:12 ` Borislav Petkov
2009-06-01 18:57 ` H. Peter Anvin [this message]
2009-06-03 18:20 ` Borislav Petkov
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