From: Peter Zijlstra <peterz@infradead.org>
To: Borislav Petkov <borislav.petkov@amd.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
mingo@kernel.org, linux-kernel@vger.kernel.org,
frank.arnold@amd.com, akpm@linux-foundation.org,
torvalds@linux-foundation.org, tglx@linutronix.de,
linux-tip-commits@vger.kernel.org
Subject: Re: [tip:x86/mce] x86/bitops: Move BIT_64() for a wider use
Date: Wed, 23 May 2012 18:54:43 +0200 [thread overview]
Message-ID: <1337792083.9783.34.camel@laptop> (raw)
In-Reply-To: <1337790571.9783.28.camel@laptop>
On Wed, 2012-05-23 at 18:29 +0200, Peter Zijlstra wrote:
> If I remember my type rules correctly you'll get something like that
> with:
>
> #define BIT(n) ({ typeof(n) __n = (n); (__n < 32) ? (1UL << __n) : (1ULL << __n); })
OK, that doesn't work. Memory played tricks on me. Now I'll keep
wondering what was special about ?: and how I've seen it abused.
next prev parent reply other threads:[~2012-05-23 16:54 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-22 10:53 [PATCH 1/2] x86, bitops: Move BIT_64 for a wider use Borislav Petkov
2012-05-22 10:53 ` [PATCH 2/2] x86, MCE: Fix 32-bit build Borislav Petkov
2012-05-23 16:08 ` [tip:x86/mce] x86/mce: " tip-bot for Borislav Petkov
2012-05-23 16:18 ` Peter Zijlstra
2012-05-23 16:23 ` Borislav Petkov
2012-05-23 16:31 ` Peter Zijlstra
2012-05-23 16:44 ` Borislav Petkov
2012-05-23 16:46 ` Peter Zijlstra
2012-05-23 16:54 ` Borislav Petkov
2012-05-23 16:07 ` [tip:x86/mce] x86/bitops: Move BIT_64() for a wider use tip-bot for Borislav Petkov
2012-05-23 16:10 ` Peter Zijlstra
2012-05-23 16:11 ` H. Peter Anvin
2012-05-23 16:19 ` Borislav Petkov
2012-05-23 16:29 ` Peter Zijlstra
2012-05-23 16:31 ` H. Peter Anvin
2012-05-23 16:43 ` Linus Torvalds
2012-05-23 16:47 ` H. Peter Anvin
2012-05-23 16:50 ` H. Peter Anvin
2012-05-23 16:54 ` Linus Torvalds
2012-05-23 16:55 ` H. Peter Anvin
2012-05-23 16:53 ` Borislav Petkov
2012-05-23 16:57 ` Linus Torvalds
2012-05-23 17:11 ` Borislav Petkov
2012-05-23 17:37 ` Linus Torvalds
2012-05-23 16:54 ` Peter Zijlstra [this message]
2012-05-23 16:40 ` Linus Torvalds
2012-05-23 16:42 ` H. Peter Anvin
2012-05-23 16:45 ` Linus Torvalds
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