diff options
Diffstat (limited to 'arch/x86/entry/entry_32.S')
| -rw-r--r-- | arch/x86/entry/entry_32.S | 33 |
1 files changed, 4 insertions, 29 deletions
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 158a5250ebc5..40092c81dcb8 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -1215,40 +1215,15 @@ SYM_FUNC_END(entry_INT80_32) #endif .endm -/* - * Build the entry stubs with some assembler magic. - * We pack 1 stub into every 8-byte block. - */ - .align 8 -SYM_CODE_START(irq_entries_start) - vector=FIRST_EXTERNAL_VECTOR - .rept (FIRST_SYSTEM_VECTOR - FIRST_EXTERNAL_VECTOR) - pushl $(~vector+0x80) /* Note: always in signed byte range */ - vector=vector+1 - jmp common_interrupt - .align 8 - .endr -SYM_CODE_END(irq_entries_start) - #ifdef CONFIG_X86_LOCAL_APIC - .align 8 -SYM_CODE_START(spurious_entries_start) - vector=FIRST_SYSTEM_VECTOR - .rept (NR_VECTORS - FIRST_SYSTEM_VECTOR) - pushl $(~vector+0x80) /* Note: always in signed byte range */ - vector=vector+1 - jmp common_spurious - .align 8 - .endr -SYM_CODE_END(spurious_entries_start) - SYM_CODE_START_LOCAL(common_spurious) ASM_CLAC - addl $-0x80, (%esp) /* Adjust vector into the [-256, -1] range */ SAVE_ALL switch_stacks=1 ENCODE_FRAME_POINTER TRACE_IRQS_OFF movl %esp, %eax + movl PT_ORIG_EAX(%esp), %edx /* get the vector from stack */ + movl $-1, PT_ORIG_EAX(%esp) /* no syscall to restart */ call smp_spurious_interrupt jmp ret_from_intr SYM_CODE_END(common_spurious) @@ -1261,12 +1236,12 @@ SYM_CODE_END(common_spurious) .p2align CONFIG_X86_L1_CACHE_SHIFT SYM_CODE_START_LOCAL(common_interrupt) ASM_CLAC - addl $-0x80, (%esp) /* Adjust vector into the [-256, -1] range */ - SAVE_ALL switch_stacks=1 ENCODE_FRAME_POINTER TRACE_IRQS_OFF movl %esp, %eax + movl PT_ORIG_EAX(%esp), %edx /* get the vector from stack */ + movl $-1, PT_ORIG_EAX(%esp) /* no syscall to restart */ call do_IRQ jmp ret_from_intr SYM_CODE_END(common_interrupt) |