From: Jeff Garzik <jgarzik@pobox.com>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: akpm@zip.com.au, davem@redhat.com, torvalds@transmeta.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] __cacheline_aligned_in_smp?
Date: Mon, 13 Jan 2003 02:45:16 -0500 [thread overview]
Message-ID: <20030113074516.GA4677@gtf.org> (raw)
In-Reply-To: <20030113072521.74B842C104@lists.samba.org>
On Mon, Jan 13, 2003 at 06:24:40PM +1100, Rusty Russell wrote:
> Dave: Anton suggested you might have a justification for
> __cacheline_aligned doing something on UP?
>
> I think I'd prefer __cacheline_aligned to be the same as
> __cacheline_aligned_in_smp, and have a new __cacheline_aligned_always
> for those who REALLY want it (if any).
See the recent thread on tg3 and cacheline_aligned for David's
description... I and one other did some performance measurements and
____cacheline_aligned proved useful even on UP...
sigh. I wish I had caught you on IRC.
Don't you think changing the meaning of cacheline_aligned, and adding a
new __cacheline_aligned_always to mean what it used to, is completely
pointless churn??
Jeff
next prev parent reply other threads:[~2003-01-13 7:36 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-13 7:24 [PATCH] __cacheline_aligned_in_smp? Rusty Russell
2003-01-13 7:35 ` David S. Miller
2003-01-14 1:10 ` Rusty Russell
2003-01-14 6:32 ` David S. Miller
2003-01-15 8:02 ` Rusty Russell
2003-01-16 7:21 ` David S. Miller
2003-01-21 14:09 ` Bill Davidsen
2003-01-13 7:45 ` Jeff Garzik [this message]
2003-01-14 2:22 ` Rusty Russell
2003-01-13 9:41 ` David Gibson
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