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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-08-31 15:48:05 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-30 23:35:51 -0400 |
| commit | be6abfa769fa07ce89ac73273360b335ae978805 (patch) | |
| tree | e6b9ba23767a93839c5e4e14f197d4781bf95cf4 /arch/powerpc/kernel/entry_64.S | |
| parent | 58254e1002a82eb383c5977ad9fd5a451b91fe29 (diff) | |
| download | linux-be6abfa769fa07ce89ac73273360b335ae978805.tar.gz | |
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_64.S')
| -rw-r--r-- | arch/powerpc/kernel/entry_64.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index d7f4fafc751533..1ca3d9fa48c470 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -380,6 +380,12 @@ _GLOBAL(ret_from_kernel_thread) li r3,0 b .do_exit # no return +_GLOBAL(__ret_from_kernel_execve) + addi r1,r3,-STACK_FRAME_OVERHEAD + li r10,1 + std r10,SOFTE(r1) + b syscall_exit + .section ".toc","aw" DSCR_DEFAULT: .tc dscr_default[TC],dscr_default |