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authorIngo Molnar <mingo@elte.hu>2008-09-11 20:53:21 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-11 21:42:59 +0200
commit1d18ef489509314506328b9e464dd47c24c1d68f (patch)
tree0462ee876e127f9b86afa05e48cfc50d0163cbd4 /arch/x86/lib
parent3ee1afa308f2a38e5d1e2ad3752ad7abcf480da1 (diff)
downloadop-kernel-dev-1d18ef489509314506328b9e464dd47c24c1d68f.zip
op-kernel-dev-1d18ef489509314506328b9e464dd47c24c1d68f.tar.gz
x86: some lock annotations for user copy paths, v3
- add annotation back to clear_user() - change probe_kernel_address() to _inatomic*() method Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/lib')
-rw-r--r--arch/x86/lib/usercopy_32.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c
index 7393152..fab5fab 100644
--- a/arch/x86/lib/usercopy_32.c
+++ b/arch/x86/lib/usercopy_32.c
@@ -148,6 +148,7 @@ do { \
unsigned long
clear_user(void __user *to, unsigned long n)
{
+ might_fault();
if (access_ok(VERIFY_WRITE, to, n))
__do_clear_user(to, n);
return n;
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