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| author |   Ralf Baechle <ralf@linux-mips.org> | 2012-10-09 21:16:07 +0200 |
|---|---|---|
| committer |   Al Viro <viro@zeniv.linux.org.uk> | 2012-10-14 19:31:30 -0400 |
| commit | baf9ff74eda9f0efcc8a68e8a9c9d183be13a810 (patch) | |
| tree | 4edd32d85cae4ef850973214a922c376537991c3 /arch/mips/kernel/entry.S | |
| parent | mips: switch to generic kernel_thread() (diff) | |
| download | linux-dev-baf9ff74eda9f0efcc8a68e8a9c9d183be13a810.tar.xz linux-dev-baf9ff74eda9f0efcc8a68e8a9c9d183be13a810.zip | |
MIPS: Switch over to generic sys_execve and kernel_execve.
This version contains a few updates by David Daney, in particular it's
now using __builtin_frame_address() instead of asm() which depending
on personal taste, is slightly more appealing.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/entry.S')
| -rw-r--r-- | arch/mips/kernel/entry.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S index aab6997b8f47..5dcb5fbbbd53 100644 --- a/arch/mips/kernel/entry.S +++ b/arch/mips/kernel/entry.S @@ -192,6 +192,15 @@ syscall_exit_work: jal syscall_trace_leave b resume_userspace +LEAF(ret_from_kernel_execve) + move sp, a0 + ori $28, sp, _THREAD_SIZE - 1 + xori $28, $28, _THREAD_SIZE - 1 + li v0, 0 + li a3, 0 + j syscall_exit_partial + END(ret_from_kernel_execve) + #if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_MIPS_MT) /* |