From: Peter Zijlstra <peterz@infradead.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Christopher Yeoh <cyeoh@au1.ibm.com>, linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH] Cross Memory Attach
Date: Thu, 16 Sep 2010 18:27:31 +0200 [thread overview]
Message-ID: <1284654451.2275.579.camel@laptop> (raw)
In-Reply-To: <AANLkTimNsDxeyZL4GVaH4L7YGO-EoRyCMHDtMPWU37hN@mail.gmail.com>
On Wed, 2010-09-15 at 08:11 -0700, Linus Torvalds wrote:
> if (copy_to)
> ret = copy_from_user(..);
> else
> ret = copy_to_user(..);
> kunmap(process_pages[i]);
> if (ret)
> goto out;
Shouldn't we be using kmap_atomic()
next prev parent reply other threads:[~2010-09-16 16:27 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-15 1:18 [RFC][PATCH] Cross Memory Attach Christopher Yeoh
2010-09-15 8:02 ` Ingo Molnar
2010-09-15 8:16 ` Ingo Molnar
2010-09-15 13:23 ` Christopher Yeoh
2010-09-15 13:20 ` Christopher Yeoh
2010-09-15 10:58 ` Avi Kivity
2010-09-15 13:51 ` Ingo Molnar
2010-09-15 16:10 ` Avi Kivity
2010-09-15 14:42 ` Christopher Yeoh
2010-09-15 14:52 ` Linus Torvalds
2010-09-15 15:44 ` Robin Holt
2010-09-16 6:32 ` Brice Goglin
2010-09-16 9:15 ` Brice Goglin
2010-09-16 14:00 ` Christopher Yeoh
2010-09-15 14:46 ` Bryan Donlan
2010-09-15 16:13 ` Avi Kivity
2010-09-15 19:35 ` Eric W. Biederman
2010-09-16 1:18 ` Christopher Yeoh
2010-09-16 9:26 ` Avi Kivity
2010-11-02 3:37 ` Christopher Yeoh
2010-11-02 11:10 ` Avi Kivity
2010-09-16 1:58 ` KOSAKI Motohiro
2010-09-16 8:08 ` Ingo Molnar
2010-09-15 15:11 ` Linus Torvalds
2010-09-15 15:14 ` Linus Torvalds
2010-09-16 2:25 ` Christopher Yeoh
2010-09-16 16:27 ` Peter Zijlstra [this message]
2010-09-16 16:54 ` Linus Torvalds
2010-09-16 17:13 ` Peter Zijlstra
2010-09-16 17:34 ` Linus Torvalds
2010-09-16 17:47 ` Peter Zijlstra
2010-09-16 17:54 ` Linus Torvalds
2010-09-16 18:00 ` Linus Torvalds
2010-09-19 4:44 ` Yuhong Bao
2010-09-19 19:20 ` Yuhong Bao
2010-09-19 21:48 ` Russell King - ARM Linux
2010-09-19 22:47 ` Yuhong Bao
2010-09-19 4:55 ` Yuhong Bao
2010-09-15 16:07 ` Valdis.Kletnieks
2010-09-16 2:17 ` Christopher Yeoh
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