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| author | Brian Gerst <brgerst@gmail.com> | 2009-12-09 12:34:42 -0500 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-12-10 15:55:36 -0800 |
| commit | e840227c141116171c89ab1abb5cc9fee6fdb488 (patch) | |
| tree | 786ac8591fc89272a6a118d2e1b4ad9b3e7eff32 /arch/x86/kernel/entry_32.S | |
| parent | fa4b8f84383ae197e643a46c36bf58ab8dffc95c (diff) | |
| download | op-kernel-dev-e840227c141116171c89ab1abb5cc9fee6fdb488.zip op-kernel-dev-e840227c141116171c89ab1abb5cc9fee6fdb488.tar.gz | |
x86, 32-bit: Use same regs as 64-bit for kernel_thread_helper
The arg should be in %eax, but that is clobbered by the return value
of clone. The function pointer can be in any register. Also, don't
push args onto the stack, since regparm(3) is the normal calling
convention now.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
LKML-Reference: <1260380084-3707-4-git-send-email-brgerst@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel/entry_32.S')
| -rw-r--r-- | arch/x86/kernel/entry_32.S | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index cb12b9b..44a8e0d 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -1047,12 +1047,8 @@ END(spurious_interrupt_bug) ENTRY(kernel_thread_helper) pushl $0 # fake return address for unwinder CFI_STARTPROC - movl %edx,%eax - push %edx - CFI_ADJUST_CFA_OFFSET 4 - call *%ebx - push %eax - CFI_ADJUST_CFA_OFFSET 4 + movl %edi,%eax + call *%esi call do_exit ud2 # padding for call trace CFI_ENDPROC |
