diff options
| author | Anton Blanchard <anton@samba.org> | 2014-02-04 16:08:51 +1100 |
|---|---|---|
| committer | Anton Blanchard <anton@samba.org> | 2014-04-23 10:05:23 +1000 |
| commit | 7cedd6014bfe353d4b552ed8d54d63f6e06e26ba (patch) | |
| tree | e65291b54d3de8d90c370581d776dbb4d2aafe05 /arch/powerpc/kernel/entry_64.S | |
| parent | b86206e4c32cbe6ac3de1c6dc52c2d64bcf461cb (diff) | |
| download | linux-7cedd6014bfe353d4b552ed8d54d63f6e06e26ba.tar.gz | |
powerpc: Fix kernel thread creation on ABIv2
Change how we setup registers for ret_from_kernel_thread. In
ABIv1, instead of passing a function descriptor in, dereference
it and pass the target in directly.
Use ppc_global_function_entry to get it right on both ABIv1 and ABIv2.
Signed-off-by: Anton Blanchard <anton@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/entry_64.S')
| -rw-r--r-- | arch/powerpc/kernel/entry_64.S | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index d23d7526d37a16..cf4f6e69343730 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -378,9 +378,11 @@ _GLOBAL(ret_from_fork) _GLOBAL(ret_from_kernel_thread) bl schedule_tail REST_NVGPRS(r1) - ld r14, 0(r14) mtlr r14 mr r3,r15 +#if defined(_CALL_ELF) && _CALL_ELF == 2 + mr r12,r14 +#endif blrl li r3,0 b syscall_exit |