From: "H. Peter Anvin" <hpa@zytor.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: David Howells <dhowells@redhat.com>,
tglx@linutronix.de, mingo@redhat.com, x86@kernel.org,
linux-arch@vger.kernel.org
Subject: Re: [PATCH 1/3] X86_64: Optimise fls(), ffs() and fls64()
Date: Fri, 16 Dec 2011 07:27:25 -0800 [thread overview]
Message-ID: <4EEB635D.2050508@zytor.com> (raw)
In-Reply-To: <201112161357.14463.arnd@arndb.de>
On 12/16/2011 05:57 AM, Arnd Bergmann wrote:
>>
>> Yes, it's one of many issues with this stuff. After tracking down
>> things a bit further it looks like this was simply a conversion error in
>> checkin:
>>
>> d57594c203b1 bitops: use __fls for fls64 on 64-bit archs
>
> Hmm, I also looked a bit closer and noticed that we don't actually
> export any bitops headers to user space, so any use of __KERNEL__ in
> those headers is bogus, but I don't think there is an actual bug here.
>
That whole thing probably wants to be cleaned up, then.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2011-12-16 15:27 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-13 14:56 [PATCH 1/3] X86_64: Optimise fls(), ffs() and fls64() David Howells
2011-12-13 14:57 ` [PATCH 2/3] Adjust the comment on get_order() to describe the size==0 case David Howells
2011-12-19 18:45 ` H. Peter Anvin
2011-12-19 18:47 ` H. Peter Anvin
2011-12-20 15:09 ` Arnd Bergmann
2011-12-20 15:39 ` David Howells
2012-02-20 21:22 ` H. Peter Anvin
2011-12-20 16:09 ` hpanvin@gmail.com
2011-12-13 14:57 ` [PATCH 3/3] Optimise get_order() David Howells
2011-12-15 0:03 ` [PATCH 1/3] X86_64: Optimise fls(), ffs() and fls64() Linus Torvalds
2011-12-15 0:35 ` David Howells
2011-12-15 18:12 ` H. Peter Anvin
2011-12-15 21:29 ` H. Peter Anvin
2011-12-15 22:43 ` Arnd Bergmann
2011-12-15 23:58 ` H. Peter Anvin
2011-12-16 13:57 ` Arnd Bergmann
2011-12-16 15:27 ` H. Peter Anvin [this message]
2011-12-15 23:01 ` David Howells
2011-12-15 23:26 ` [tip:x86/asm] x86_64, asm: " tip-bot for David Howells
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