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| author | David S. Miller | 2015-06-09 05:06:56 +0200 |
|---|---|---|
| committer | David S. Miller | 2015-06-09 05:06:56 +0200 |
| commit | 941742f49762ba4c908510f036b09a46c1b14513 (patch) | |
| tree | aafb7a72c2072f98889406668003234bed56df02 /arch/x86/kernel/head_64.S | |
| parent | net: phy: dp83867: Fix device tree entries (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| download | kernel-qcow2-linux-941742f49762ba4c908510f036b09a46c1b14513.tar.gz kernel-qcow2-linux-941742f49762ba4c908510f036b09a46c1b14513.tar.xz kernel-qcow2-linux-941742f49762ba4c908510f036b09a46c1b14513.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/x86/kernel/head_64.S')
| -rw-r--r-- | arch/x86/kernel/head_64.S | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index ae6588b301c2..df7e78057ae0 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -321,26 +321,28 @@ bad_address: jmp bad_address __INIT - .globl early_idt_handlers -early_idt_handlers: +ENTRY(early_idt_handler_array) # 104(%rsp) %rflags # 96(%rsp) %cs # 88(%rsp) %rip # 80(%rsp) error code i = 0 .rept NUM_EXCEPTION_VECTORS - .if (EXCEPTION_ERRCODE_MASK >> i) & 1 - ASM_NOP2 - .else + .ifeq (EXCEPTION_ERRCODE_MASK >> i) & 1 pushq $0 # Dummy error code, to make stack frame uniform .endif pushq $i # 72(%rsp) Vector number - jmp early_idt_handler + jmp early_idt_handler_common i = i + 1 + .fill early_idt_handler_array + i*EARLY_IDT_HANDLER_SIZE - ., 1, 0xcc .endr +ENDPROC(early_idt_handler_array) -/* This is global to keep gas from relaxing the jumps */ -ENTRY(early_idt_handler) +early_idt_handler_common: + /* + * The stack is the hardware frame, an error code or zero, and the + * vector number. + */ cld cmpl $2,(%rsp) # X86_TRAP_NMI @@ -412,7 +414,7 @@ ENTRY(early_idt_handler) is_nmi: addq $16,%rsp # drop vector number and error code INTERRUPT_RETURN -ENDPROC(early_idt_handler) +ENDPROC(early_idt_handler_common) __INITDATA |