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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-08-31 23:48:05 +0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-01 07:35:51 +0400 |
| commit | be6abfa769fa07ce89ac73273360b335ae978805 (patch) | |
| tree | e6b9ba23767a93839c5e4e14f197d4781bf95cf4 /arch/powerpc/kernel/entry_32.S | |
| parent | 58254e1002a82eb383c5977ad9fd5a451b91fe29 (diff) | |
| download | linux-be6abfa769fa07ce89ac73273360b335ae978805.tar.xz | |
powerpc: switch to generic sys_execve()/kernel_execve()
the only non-obvious part is that current_pt_regs() is really needed
here - task_pt_regs() is NULL for kernel threads; it's OK for ptrace
uses (the thing task_pt_regs() is intended for), but not for us.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/powerpc/kernel/entry_32.S')
| -rw-r--r-- | arch/powerpc/kernel/entry_32.S | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 6eb330a87c36..e6be75fc491a 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -446,6 +446,11 @@ ret_from_kernel_thread: li r3,0 b do_exit # no return + .globl __ret_from_kernel_execve +__ret_from_kernel_execve: + addi r1,r3,-STACK_FRAME_OVERHEAD + b ret_from_syscall + /* Traced system call support */ syscall_dotrace: SAVE_NVGPRS(r1) |