diff options
| author | Max Filippov <jcmvbkbc@gmail.com> | 2014-08-01 11:07:10 -0400 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2014-08-14 03:59:26 -0400 |
| commit | a450dc69dc57e2bd9de5a970f5015502e6950c73 (patch) | |
| tree | fa2584633d19fdbcdd52d54c16523a21b0253dde /arch/xtensa | |
| parent | b82837c772c3a1d8778295ab094cf46ecddc8057 (diff) | |
xtensa: fix kernel/user jump out of fast_unaligned
Use correct register (a0, just read from the PS) to check user mode bit.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/kernel/align.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/xtensa/kernel/align.S b/arch/xtensa/kernel/align.S index d4cef6039a5c..25a65938dda8 100644 --- a/arch/xtensa/kernel/align.S +++ b/arch/xtensa/kernel/align.S | |||
| @@ -441,7 +441,7 @@ ENTRY(fast_unaligned) | |||
| 441 | mov a1, a2 | 441 | mov a1, a2 |
| 442 | 442 | ||
| 443 | rsr a0, ps | 443 | rsr a0, ps |
| 444 | bbsi.l a2, PS_UM_BIT, 1f # jump if user mode | 444 | bbsi.l a0, PS_UM_BIT, 1f # jump if user mode |
| 445 | 445 | ||
| 446 | movi a0, _kernel_exception | 446 | movi a0, _kernel_exception |
| 447 | jx a0 | 447 | jx a0 |