linux-kernel - [tip:sched/mm] frv: uaccess s/might_sleep/might

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 28 May 2013 06:16:56 -0700
From:	"tip-bot for Michael S. Tsirkin" <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	a.p.zijlstra@...llo.nl, torvalds@...ux-foundation.org,
	mst@...hat.com, peterz@...radead.org, akpm@...ux-foundation.org,
	tglx@...utronix.de
Subject: [tip:sched/mm] frv: uaccess s/might_sleep/might_fault/

Commit-ID:  b607ae78ac8a78f8e5e36817500e7c311519f032
Gitweb:     http://git.kernel.org/tip/b607ae78ac8a78f8e5e36817500e7c311519f032
Author:     Michael S. Tsirkin <mst@...hat.com>
AuthorDate: Sun, 26 May 2013 17:30:47 +0300
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 28 May 2013 09:41:07 +0200

frv: 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@...hat.com>
Signed-off-by: Peter Zijlstra <peterz@...radead.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1369577426-26721-3-git-send-email-mst@redhat.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/frv/include/asm/uaccess.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/frv/include/asm/uaccess.h b/arch/frv/include/asm/uaccess.h
index 0b67ec5..3ac9a59 100644
--- a/arch/frv/include/asm/uaccess.h
+++ b/arch/frv/include/asm/uaccess.h
@@ -280,14 +280,14 @@ extern long __memcpy_user(void *dst, const void *src, unsigned long count);
 static inline unsigned long __must_check
 __copy_to_user(void __user *to, const void *from, unsigned long n)
 {
-       might_sleep();
+       might_fault();
        return __copy_to_user_inatomic(to, from, n);
 }
 
 static inline unsigned long
 __copy_from_user(void *to, const void __user *from, unsigned long n)
 {
-       might_sleep();
+       might_fault();
        return __copy_from_user_inatomic(to, from, n);
 }
 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/