From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Russell King <rmk+lkml@arm.linux.org.uk>
Cc: Andrew Morton <akpm@osdl.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@osdl.org>
Subject: Re: [patch 2/5] atomic: cmpxchg
Date: Sat, 05 Nov 2005 20:21:58 +1100 [thread overview]
Message-ID: <436C79B6.3020004@yahoo.com.au> (raw)
In-Reply-To: <20051105091311.GA19516@flint.arm.linux.org.uk>
Russell King wrote:
> On Sat, Nov 05, 2005 at 08:10:53PM +1100, Nick Piggin wrote:
>
>>While you're here, does the assembly code for the SMP version look
>>OK? You basically provided me with it but I don't think you saw its
>>final form.
>
>
> Looks fine. The only comment is changing the "r" (old) to be
> "Ir" (old). The "I" tells the compiler that it may also use a
> constant for that argument, which may allow it to optimise the
> code a bit better.
>
Thanks. Will submit a new patch after this round of feedback.
--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com
prev parent reply other threads:[~2005-11-05 9:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-05 7:55 [patch 0/4] atomic primitives again Nick Piggin
2005-11-05 7:56 ` [patch 1/5] i386: generic cmpxchg Nick Piggin
2005-11-05 7:57 ` [patch 2/5] atomic: cmpxchg Nick Piggin
2005-11-05 7:58 ` [patch 3/5] atomic: inc_not_zero Nick Piggin
2005-11-05 7:58 ` [patch 4/5] rcu file: use atomic Nick Piggin
2005-11-05 7:59 ` [patch 5/5] atomic: dec_and_lock " Nick Piggin
2005-11-05 9:00 ` [patch 2/5] atomic: cmpxchg Russell King
2005-11-05 9:10 ` Nick Piggin
2005-11-05 9:13 ` Russell King
2005-11-05 9:21 ` Nick Piggin [this message]
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