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x86/entry/32: Remove common_exception()

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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Andy Lutomirski <luto@kernel.org>
Link: https://lore.kernel.org/r/20200521202118.611906966@linutronix.de
This commit is contained in:
Thomas Gleixner 2020-05-21 22:05:32 +02:00
parent 23d73f2ad4
commit 74ebed3193
1 changed files with 0 additions and 21 deletions
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21
arch/x86/entry/entry_32.S
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@ -1397,27 +1397,6 @@ BUILD_INTERRUPT3(hv_stimer0_callback_vector, HYPERV_STIMER0_VECTOR,
#endif /* CONFIG_HYPERV */
SYM_CODE_START_LOCAL_NOALIGN(common_exception)
/* the function address is in %gs's slot on the stack */
SAVE_ALL switch_stacks=1 skip_gs=1 unwind_espfix=1
ENCODE_FRAME_POINTER
/* fixup %gs */
GS_TO_REG %ecx
movl PT_GS(%esp), %edi # get the function address
REG_TO_PTGS %ecx
SET_KERNEL_GS %ecx
/* fixup orig %eax */
movl PT_ORIG_EAX(%esp), %edx # get the error code
movl $-1, PT_ORIG_EAX(%esp) # no syscall to restart
TRACE_IRQS_OFF
movl %esp, %eax # pt_regs pointer
CALL_NOSPEC edi
jmp ret_from_exception
SYM_CODE_END(common_exception)
SYM_CODE_START_LOCAL_NOALIGN(handle_exception)
/* the function address is in %gs's slot on the stack */
SAVE_ALL switch_stacks=1 skip_gs=1 unwind_espfix=1