From: Vineet Gupta <vineet.gupta1@synopsys.com>
To: <linux-kernel@vger.kernel.org>
Cc: <linux-snps-arc@lists.infradead.org>, <linux-mm@kvack.org>,
<peterz@infradead.org>, Vineet Gupta <vineet.gupta1@synopsys.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
<linux-fsdevel@vger.kernel.org>
Subject: [PATCH 1/3] coredump: Replace opencoded set_mask_bits()
Date: Thu, 10 Jan 2019 16:26:25 -0800 [thread overview]
Message-ID: <1547166387-19785-2-git-send-email-vgupta@synopsys.com> (raw)
In-Reply-To: <1547166387-19785-1-git-send-email-vgupta@synopsys.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: linux-fsdevel@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/g/20150807115710.GA16897@redhat.com
Acked-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
---
fs/exec.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/fs/exec.c b/fs/exec.c
index fb72d36f7823..df7f05362283 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1944,15 +1944,10 @@ EXPORT_SYMBOL(set_binfmt);
*/
void set_dumpable(struct mm_struct *mm, int value)
{
- unsigned long old, new;
-
if (WARN_ON((unsigned)value > SUID_DUMP_ROOT))
return;
- do {
- old = READ_ONCE(mm->flags);
- new = (old & ~MMF_DUMPABLE_MASK) | value;
- } while (cmpxchg(&mm->flags, old, new) != old);
+ set_mask_bits(&mm->flags, MMF_DUMPABLE_MASK, value);
}
SYSCALL_DEFINE3(execve,
--
2.7.4
next prev parent reply other threads:[~2019-01-11 0:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-11 0:26 [PATCH 0/3] Replace opencoded set_mask_bits Vineet Gupta
2019-01-11 0:26 ` Vineet Gupta [this message]
2019-01-11 4:24 ` [PATCH 1/3] coredump: Replace opencoded set_mask_bits() Anthony Yznaga
2019-01-11 0:26 ` [PATCH 2/3] fs: inode_set_flags() replace " Vineet Gupta
2019-01-11 4:24 ` Anthony Yznaga
2019-01-11 0:26 ` [PATCH 3/3] bitops.h: set_mask_bits() to return old value Vineet Gupta
2019-01-11 4:25 ` Anthony Yznaga
2019-01-11 9:24 ` Peter Zijlstra
2019-01-11 20:58 ` Vineet Gupta
2019-01-14 19:00 ` Will Deacon
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