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Re: [PATCH] RWSEM: Rewrite rwsem.c and rwsem-spinlock.c more simply.

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From: Andi Kleen <andi@...>
To: Robert P. J. Day <rpjday@...>
Cc: Linux Kernel Mailing List <linux-kernel@...>, Andrew Morton <akpm@...>
Subject: Re: [PATCH] RWSEM: Rewrite rwsem.c and rwsem-spinlock.c more simply.
Date: Tuesday, March 25, 2008 - 8:08 am

"Robert P. J. Day" <rpjday@crashcourse.ca> writes:


This is likely a code pessimization because "current" is inline
assembler and many gcc versions cannot CSE it.

-Andi
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Messages in current thread:
[PATCH] RWSEM: Rewrite rwsem.c and rwsem-spinlock.c more sim..., Robert P. J. Day, (Tue Mar 25, 7:02 am)
Re: [PATCH] RWSEM: Rewrite rwsem.c and rwsem-spinlock.c more..., Andi Kleen, (Tue Mar 25, 8:08 am)
Re: [PATCH] RWSEM: Rewrite rwsem.c and rwsem-spinlock.c more..., Robert P. J. Day, (Tue Mar 25, 8:27 am)
Re: [PATCH] RWSEM: Rewrite rwsem.c and rwsem-spinlock.c more..., Andi Kleen, (Tue Mar 25, 8:36 am)
Re: [PATCH] RWSEM: Rewrite rwsem.c and rwsem-spinlock.c more..., Robert P. J. Day, (Tue Mar 25, 8:42 am)
Re: [PATCH] RWSEM: Rewrite rwsem.c and rwsem-spinlock.c more..., Andrew Morton, (Tue Mar 25, 3:14 pm)