From: "David S. Miller" <davem@davemloft.net>
To: Anton Blanchard <anton@samba.org>
Cc: linux-arch@vger.kernel.org
Subject: Re: [PATCH] ?mb() -> smp_?mb() conversion
Date: Mon, 21 Mar 2005 15:06:19 -0800 [thread overview]
Message-ID: <20050321150619.2ea75257.davem@davemloft.net> (raw)
In-Reply-To: <20050321225904.GF23908@krispykreme>
On Tue, 22 Mar 2005 09:59:04 +1100
Anton Blanchard <anton@samba.org> wrote:
> Thinking some more about this, perhaps we should remove the ?mb() barriers
> and instead have only io_?mb() and smp_?mb(). This has the advantage of
> making it clear what barriers should be used in drivers to order
> cacheable and non cacheable memory (a problem on ppc/ppc64 at least).
No objections to this idea.
If I remember correctly, the ?mb() routines _were_ the original
SMP memory barriers.
next prev parent reply other threads:[~2005-03-21 23:06 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-21 22:59 [PATCH] ?mb() -> smp_?mb() conversion Anton Blanchard
2005-03-21 23:06 ` David S. Miller [this message]
2005-03-22 10:43 ` David Howells
2005-03-22 13:13 ` Matthew Wilcox
2005-03-22 14:27 ` David Howells
2005-03-22 16:03 ` Anton Blanchard
2005-03-22 16:34 ` Matthew Wilcox
2005-03-22 16:48 ` David Howells
2005-03-22 17:13 ` David S. Miller
2005-03-22 17:44 ` James Bottomley
2005-03-22 18:09 ` Jesse Barnes
2005-03-22 18:00 ` David Howells
2005-03-22 21:59 ` Paul Mackerras
2005-03-22 18:15 ` Jesse Barnes
2005-03-22 18:24 ` Jesse Barnes
2005-03-23 6:23 ` Paul Mackerras
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