From: "tip-bot for Michael S. Tsirkin" <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org,
a.p.zijlstra@chello.nl, torvalds@linux-foundation.org,
mst@redhat.com, peterz@infradead.org, cmetcalf@tilera.com,
akpm@linux-foundation.org, tglx@linutronix.de
Subject: [tip:sched/mm] tile: uaccess s/might_sleep/might_fault/
Date: Tue, 28 May 2013 06:23:18 -0700 [thread overview]
Message-ID: <tip-f8abe86cc4fbd4ba083fd151b88e02fb3ce88b9c@git.kernel.org> (raw)
In-Reply-To: <1369577426-26721-8-git-send-email-mst@redhat.com>
Commit-ID: f8abe86cc4fbd4ba083fd151b88e02fb3ce88b9c
Gitweb: http://git.kernel.org/tip/f8abe86cc4fbd4ba083fd151b88e02fb3ce88b9c
Author: Michael S. Tsirkin <mst@redhat.com>
AuthorDate: Sun, 26 May 2013 17:31:48 +0300
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Tue, 28 May 2013 09:41:09 +0200
tile: uaccess s/might_sleep/might_fault/
The only reason uaccess routines might sleep
is if they fault. Make this explicit.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1369577426-26721-8-git-send-email-mst@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/tile/include/asm/uaccess.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h
index 8a082bc..e4d44bd 100644
--- a/arch/tile/include/asm/uaccess.h
+++ b/arch/tile/include/asm/uaccess.h
@@ -442,7 +442,7 @@ extern unsigned long __copy_in_user_inatomic(
static inline unsigned long __must_check
__copy_in_user(void __user *to, const void __user *from, unsigned long n)
{
- might_sleep();
+ might_fault();
return __copy_in_user_inatomic(to, from, n);
}
next prev parent reply other threads:[~2013-05-28 13:24 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-26 14:21 [PATCH v3-resend 00/11] uaccess: better might_sleep/might_fault behavior Michael S. Tsirkin
2013-05-26 14:30 ` [PATCH v3-resend 01/11] asm-generic: uaccess s/might_sleep/might_fault/ Michael S. Tsirkin
2013-05-28 13:14 ` [tip:sched/mm] " tip-bot for Michael S. Tsirkin
2013-05-26 14:30 ` [PATCH v3-resend 02/11] arm64: " Michael S. Tsirkin
2013-05-28 13:15 ` [tip:sched/mm] " tip-bot for Michael S. Tsirkin
2013-05-26 14:30 ` [PATCH v3-resend 03/11] frv: " Michael S. Tsirkin
2013-05-28 13:16 ` [tip:sched/mm] " tip-bot for Michael S. Tsirkin
2013-05-26 14:30 ` [PATCH v3-resend 04/11] m32r: " Michael S. Tsirkin
2013-05-28 13:18 ` [tip:sched/mm] " tip-bot for Michael S. Tsirkin
2013-05-26 14:30 ` [PATCH v3-resend 05/11] microblaze: " Michael S. Tsirkin
2013-05-28 13:19 ` [tip:sched/mm] " tip-bot for Michael S. Tsirkin
2013-05-26 14:31 ` [PATCH v3-resend 06/11] mn10300: " Michael S. Tsirkin
2013-05-28 13:20 ` [tip:sched/mm] " tip-bot for Michael S. Tsirkin
2013-05-26 14:31 ` [PATCH v3-resend 07/11] powerpc: " Michael S. Tsirkin
2013-05-27 9:36 ` Benjamin Herrenschmidt
2013-05-28 13:22 ` [tip:sched/mm] " tip-bot for Michael S. Tsirkin
2013-05-26 14:31 ` [PATCH v3-resend 08/11] tile: " Michael S. Tsirkin
2013-05-28 13:23 ` tip-bot for Michael S. Tsirkin [this message]
2013-05-26 14:31 ` [PATCH v3-resend 09/11] x86: " Michael S. Tsirkin
2013-05-28 13:24 ` [tip:sched/mm] " tip-bot for Michael S. Tsirkin
2013-05-26 14:32 ` [PATCH v3-resend 10/11] kernel: drop voluntary schedule from might_fault Michael S. Tsirkin
2013-05-28 13:25 ` [tip:sched/mm] mm, sched: Drop voluntary schedule from might_fault() tip-bot for Michael S. Tsirkin
2013-05-26 14:32 ` [PATCH v3-resend 11/11] kernel: uaccess in atomic with pagefault_disable Michael S. Tsirkin
2013-05-28 13:27 ` [tip:sched/mm] mm, sched: Allow uaccess in atomic with pagefault_disable() tip-bot for Michael S. Tsirkin
2013-05-27 16:35 ` [PATCH v3-resend 00/11] uaccess: better might_sleep/might_fault behavior Peter Zijlstra
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