From: Zachary Amsden <zach@vmware.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Andrew Morton <akpm@osdl.org>,
Rusty Russell <rusty@rustcorp.com.au>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Fix kunmap_atomic's use of kpte_clear_flush()
Date: Tue, 07 Nov 2006 16:42:11 -0800 [thread overview]
Message-ID: <455127E3.1050301@vmware.com> (raw)
In-Reply-To: <4551232A.4020203@goop.org>
Jeremy Fitzhardinge wrote:
> kunmap_atomic() will call kpte_clear_flush with vaddr/ptep arguments
> which don't correspond if the vaddr is just a normal lowmem address
> (ie, not in the KMAP area). This patch makes sure that the pte is
> only cleared if kmap area was actually used for the mapping.
>
> Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
> Cc: Zachary Amsden <zach@vmware.com>
Ack.
next prev parent reply other threads:[~2006-11-08 0:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-08 0:22 [PATCH] Fix kunmap_atomic's use of kpte_clear_flush() Jeremy Fitzhardinge
2006-11-08 0:42 ` Zachary Amsden [this message]
2006-11-08 0:42 ` Rusty Russell
2006-11-08 1:10 ` Jeremy Fitzhardinge
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