From: Miles Bader <miles@gnu.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@linux.com>, Tejun Heo <tj@kernel.org>,
Pekka Enbeerg <penberg@cs.helsinki.fi>,
linux-kernel@vger.kernel.org,
Eric Dumazet <eric.dumazet@gmail.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Subject: Re: x86: A fast way to check capabilities of the current cpu
Date: Fri, 17 Dec 2010 13:26:33 +0900 [thread overview]
Message-ID: <buolj3pja86.fsf@dhlpc061.dev.necel.com> (raw)
In-Reply-To: <4D0A3267.40300@zytor.com> (H. Peter Anvin's message of "Thu, 16 Dec 2010 07:38:15 -0800")
"H. Peter Anvin" <hpa@zytor.com> writes:
> The alternatives are equivalent when used in the common context. Your
> examples are bogus, because they don't account for the
> __builtin_constant_p().
Ah, true ... :}
-miles
--
Abstainer, n. A weak person who yields to the temptation of denying himself a
pleasure. A total abstainer is one who abstains from everything but
abstention, and especially from inactivity in the affairs of others.
next prev parent reply other threads:[~2010-12-17 4:28 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-15 20:07 x86: A fast way to check capabilities of the current cpu Christoph Lameter
2010-12-15 20:11 ` x86: Avoid passing struct cpuinfo pointer to mce_available Christoph Lameter
2010-12-15 20:56 ` x86: A fast way to check capabilities of the current cpu Andrew Morton
2010-12-15 21:03 ` H. Peter Anvin
2010-12-15 21:30 ` Miguel Ojeda
2010-12-15 21:39 ` H. Peter Anvin
2010-12-15 21:48 ` Miguel Ojeda
2010-12-16 6:25 ` Miles Bader
2010-12-16 10:17 ` Miguel Ojeda
2010-12-16 10:29 ` Miles Bader
2010-12-16 15:38 ` H. Peter Anvin
2010-12-17 4:26 ` Miles Bader [this message]
2011-01-21 17:11 ` Tejun Heo
2011-01-21 17:21 ` Christoph Lameter
2011-01-21 17:28 ` Tejun Heo
2011-01-21 17:46 ` Christoph Lameter
2011-01-21 17:48 ` Tejun Heo
2011-01-21 17:57 ` Christoph Lameter
2011-01-21 18:12 ` Tejun Heo
2011-01-21 18:20 ` Christoph Lameter
2011-01-21 22:32 ` H. Peter Anvin
2011-01-24 17:05 ` Christoph Lameter
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