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| author |   Josh Poimboeuf <jpoimboe@redhat.com> | 2019-07-17 20:36:44 -0500 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2019-07-18 21:01:06 +0200 |
| commit | 82e844a6536d1a3c12a73e44712f4021d90a4b53 (patch) | |
| tree | ca18cbcd737c05255669e9bad7c33537509b6dd2 /include/linux/compiler-gcc.h | |
| parent | x86/uaccess: Don't leak AC flag into fentry from mcsafe_handle_tail() (diff) | |
| download | wireguard-linux-82e844a6536d1a3c12a73e44712f4021d90a4b53.tar.xz wireguard-linux-82e844a6536d1a3c12a73e44712f4021d90a4b53.zip | |
x86/uaccess: Remove redundant CLACs in getuser/putuser error paths
The same getuser/putuser error paths are used regardless of whether AC
is set. In non-exception failure cases, this results in an unnecessary
CLAC.
Fixes the following warnings:
arch/x86/lib/getuser.o: warning: objtool: .altinstr_replacement+0x18: redundant UACCESS disable
arch/x86/lib/putuser.o: warning: objtool: .altinstr_replacement+0x18: redundant UACCESS disable
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/bc14ded2755ae75bd9010c446079e113dbddb74b.1563413318.git.jpoimboe@redhat.com
Diffstat (limited to 'include/linux/compiler-gcc.h')
0 files changed, 0 insertions, 0 deletions