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[PATCH] Define vsyscall cache as blob to make clearer that user space shouldn't use it

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Signed-off-by: Andi Kleen <ak@suse.de>
This commit is contained in:
Andi Kleen
2006-09-30 01:47:55 +02:00
committed by Andi Kleen
parent 120b114237
commit 34596dc9e5
3 changed files with 15 additions and 13 deletions
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8
kernel/sys.c
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@@ -2083,12 +2083,12 @@ asmlinkage long sys_getcpu(unsigned __user *cpup, unsigned __user *nodep,
* padding
*/
unsigned long t0, t1;
get_user(t0, &cache->t0);
get_user(t1, &cache->t1);
get_user(t0, &cache->blob[0]);
get_user(t1, &cache->blob[1]);
t0++;
t1++;
put_user(t0, &cache->t0);
put_user(t1, &cache->t1);
put_user(t0, &cache->blob[0]);
put_user(t1, &cache->blob[1]);
}
return err ? -EFAULT : 0;
}