diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-19 00:29:22 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-01 09:58:13 -0400 |
| commit | 00df111e7eb505558c54f23861e9341e56dd5fb0 (patch) | |
| tree | d351d0268b39837c1c57f1e5f923e1f1184c308e /arch/parisc/hpux/gate.S | |
| parent | 8ca8230b71322bfe45fc78090019a5bb20cd7439 (diff) | |
parisc: fix double restarts
Don't bother restoring r28 on syscall restarts; it's clobbered by
syscall anyway. Reuse (now unused) ->orig_r28 as "no restarts allowed"
flag.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/parisc/hpux/gate.S')
| -rw-r--r-- | arch/parisc/hpux/gate.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/parisc/hpux/gate.S b/arch/parisc/hpux/gate.S index 38a1c1b8d4e8..011468857e98 100644 --- a/arch/parisc/hpux/gate.S +++ b/arch/parisc/hpux/gate.S | |||
| @@ -71,7 +71,7 @@ ENTRY(hpux_gateway_page) | |||
| 71 | STREG %r26, TASK_PT_GR26(%r1) /* 1st argument */ | 71 | STREG %r26, TASK_PT_GR26(%r1) /* 1st argument */ |
| 72 | STREG %r27, TASK_PT_GR27(%r1) /* user dp */ | 72 | STREG %r27, TASK_PT_GR27(%r1) /* user dp */ |
| 73 | STREG %r28, TASK_PT_GR28(%r1) /* return value 0 */ | 73 | STREG %r28, TASK_PT_GR28(%r1) /* return value 0 */ |
| 74 | STREG %r28, TASK_PT_ORIG_R28(%r1) /* return value 0 (saved for signals) */ | 74 | STREG %r0, TASK_PT_ORIG_R28(%r1) /* don't prohibit restarts */ |
| 75 | STREG %r29, TASK_PT_GR29(%r1) /* 8th argument */ | 75 | STREG %r29, TASK_PT_GR29(%r1) /* 8th argument */ |
| 76 | STREG %r31, TASK_PT_GR31(%r1) /* preserve syscall return ptr */ | 76 | STREG %r31, TASK_PT_GR31(%r1) /* preserve syscall return ptr */ |
| 77 | 77 | ||