| To: | vagabon.xyz@gmail.com |
|---|---|
| Subject: | Re: [PATCH] Fix __copy_{to,from}_user_inatomic |
| From: | Atsushi Nemoto <anemo@mba.ocn.ne.jp> |
| Date: | Sat, 17 Feb 2007 01:12:20 +0900 (JST) |
| Cc: | ralf@linux-mips.org, linux-mips@linux-mips.org |
| In-reply-to: | <45D5CEA5.3050604@innova-card.com> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <45D5CEA5.3050604@innova-card.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
On Fri, 16 Feb 2007 16:32:53 +0100, Franck Bui-Huu <vagabon.xyz@gmail.com>
wrote:
> These functions are aliases to __copy_{to,from}_user resp but they
> are not allowed to sleep. Therefore might_sleep() must not be used
> by their implementions.
This changes CONFIG_PREEMPT_VOLUNTARY behavior.
In this case might_sleep() is not just an annotation.
Well, so currently CONFIG_PREEMPT_VOLUNTARY seems broken. Maybe we
need separete functions anyway.
---
Atsushi Nemoto
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