From: "David S. Miller" <davem@redhat.com>
To: Russell King <rmk+lkml@arm.linux.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Fix loop device cache handling
Date: Tue, 1 Jun 2004 21:56:10 -0700 [thread overview]
Message-ID: <20040601215610.7ebcc0d9.davem@redhat.com> (raw)
In-Reply-To: <20040601180336.C31301@flint.arm.linux.org.uk>
On Tue, 1 Jun 2004 18:03:36 +0100
Russell King <rmk+lkml@arm.linux.org.uk> wrote:
> The effect of this is that we pull the loop device page into cache
> to exhasibate the problem, since newly allocated pages are _not_
> guaranteed to be completely clean of cache lines in their kernel
> space mapping.
>
> Note that other drivers need to be audited to ensure that any CPU
> writes to page cache pages have a flush_dcache_page() call.
>
> This patch adds the necessary missing flush:
I %100 agree with this patch.
prev parent reply other threads:[~2004-06-02 4:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-01 17:03 Russell King
2004-06-02 4:56 ` David S. Miller [this message]
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