diff options
| author |  Al Viro <viro@zeniv.linux.org.uk>
| 2020-03-26 17:34:40 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk>
| 2020-03-27 23:58:54 -0400 |
| commit | 8aef36dacb3a932cb77da8bb7eb21a154babd0b8 (patch) | |
| tree | dc536db1c2a979982e0f0020b114d55b3a1f4152 /include/asm-generic | |
| parent | x86: convert arch_futex_atomic_op_inuser() to user_access_begin/user_access_e... (diff) | |
| download | linux-8aef36dacb3a932cb77da8bb7eb21a154babd0b8.tar.gz linux-8aef36dacb3a932cb77da8bb7eb21a154babd0b8.tar.bz2 linux-8aef36dacb3a932cb77da8bb7eb21a154babd0b8.zip | |
x86: don't reload after cmpxchg in unsafe_atomic_op2() loop
lock cmpxchg leaves the current value in eax; no need to reload it.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/asm-generic')
0 files changed, 0 insertions, 0 deletions