From: Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>
To: Alexander van Heukelum
<heukelum-hWlb6USbxJRiLUuM0BA3LQ@public.gmane.org>
Cc: Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
linux-arch <linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Andi Kleen <andi-Vw/NltI1exuRpAAqCnN02g@public.gmane.org>,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [0/3] Improve generic fls64 for 64-bit machines
Date: Fri, 21 Mar 2008 14:10:51 +0100 [thread overview]
Message-ID: <20080321131046.GG27245@elte.hu> (raw)
In-Reply-To: <20080315172913.GA21648-hWlb6USbxJRiLUuM0BA3LQ@public.gmane.org>
* Alexander van Heukelum <heukelum-hWlb6USbxJRiLUuM0BA3LQ@public.gmane.org> wrote:
> This series of patches:
>
> [1/3] adds __fls.h to asm-generic
> [2/3] modifies asm-*/bitops.h for 64-bit archs to implement __fls
> [3/3] modifies asm-generic/fls64.h to make use of __fls
>
> I have compiled i386 and x86_64, and they generate the same code as
> before the change. The changes to the other archs are a best effort.
> Please comment.
i've applied #1 and #3 to x86.git/testing, to see how this works out on
x86. But it looks good to me in general.
Ingo
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WARNING: multiple messages have this Message-ID (diff)
From: Ingo Molnar <mingo@elte.hu>
To: Alexander van Heukelum <heukelum@mailshack.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-arch <linux-arch@vger.kernel.org>,
Andi Kleen <andi@firstfloor.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [0/3] Improve generic fls64 for 64-bit machines
Date: Fri, 21 Mar 2008 14:10:51 +0100 [thread overview]
Message-ID: <20080321131046.GG27245@elte.hu> (raw)
Message-ID: <20080321131051._gRzx-fWZuB0VQvFQeFDzEg_-9xYX4hSyGWGfIFhWts@z> (raw)
In-Reply-To: <20080315172913.GA21648@mailshack.com>
* Alexander van Heukelum <heukelum@mailshack.com> wrote:
> This series of patches:
>
> [1/3] adds __fls.h to asm-generic
> [2/3] modifies asm-*/bitops.h for 64-bit archs to implement __fls
> [3/3] modifies asm-generic/fls64.h to make use of __fls
>
> I have compiled i386 and x86_64, and they generate the same code as
> before the change. The changes to the other archs are a best effort.
> Please comment.
i've applied #1 and #3 to x86.git/testing, to see how this works out on
x86. But it looks good to me in general.
Ingo
next prev parent reply other threads:[~2008-03-21 13:10 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-15 17:29 [0/3] Improve generic fls64 for 64-bit machines Alexander van Heukelum
2008-03-15 17:29 ` Alexander van Heukelum
[not found] ` <20080315172913.GA21648-hWlb6USbxJRiLUuM0BA3LQ@public.gmane.org>
2008-03-15 17:30 ` [1/3] Introduce a generic __fls implementation Alexander van Heukelum
2008-03-15 17:30 ` Alexander van Heukelum
2008-03-15 17:31 ` [2/3] Implement __fls on all 64-bit archs Alexander van Heukelum
2008-03-15 17:31 ` Alexander van Heukelum
2008-03-15 17:32 ` [3/3] Use __fls for fls64 on " Alexander van Heukelum
2008-03-15 17:32 ` Alexander van Heukelum
2008-07-05 16:56 ` Ricardo M. Correia
2008-07-05 17:53 ` [PATCH] x86: fix description of __fls(): __fls(0) is undefined Alexander van Heukelum
2008-07-18 12:33 ` Ingo Molnar
2008-03-21 13:10 ` Ingo Molnar [this message]
2008-03-21 13:10 ` [0/3] Improve generic fls64 for 64-bit machines Ingo Molnar
2008-04-03 17:19 ` Benny Halevy
2008-04-03 17:19 ` Benny Halevy
[not found] ` <47F511BF.8090506-C4P08NqkoRlBDgjK7y7TUQ@public.gmane.org>
2008-04-04 14:22 ` Alexander van Heukelum
2008-04-04 14:22 ` Alexander van Heukelum
2008-04-06 15:03 ` Benny Halevy
[not found] ` <47F8E64C.9030104-C4P08NqkoRlBDgjK7y7TUQ@public.gmane.org>
2008-04-06 19:10 ` Alexander van Heukelum
2008-04-06 19:10 ` Alexander van Heukelum
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