diff options
Diffstat (limited to 'arch/i386/kernel/vmi.c')
| -rw-r--r-- | arch/i386/kernel/vmi.c | 39 |
1 files changed, 6 insertions, 33 deletions
diff --git a/arch/i386/kernel/vmi.c b/arch/i386/kernel/vmi.c index ea77d93f59d..b8d01c3cbff 100644 --- a/arch/i386/kernel/vmi.c +++ b/arch/i386/kernel/vmi.c @@ -83,11 +83,6 @@ extern struct paravirt_patch __start_parainstructions[], #define MNEM_JMP 0xe9 #define MNEM_RET 0xc3 -static char irq_save_disable_callout[] = { - MNEM_CALL, 0, 0, 0, 0, - MNEM_CALL, 0, 0, 0, 0, - MNEM_RET -}; #define IRQ_PATCH_INT_MASK 0 #define IRQ_PATCH_DISABLE 5 @@ -135,33 +130,17 @@ static unsigned patch_internal(int call, unsigned len, void *insns) static unsigned vmi_patch(u8 type, u16 clobbers, void *insns, unsigned len) { switch (type) { - case PARAVIRT_IRQ_DISABLE: + case PARAVIRT_PATCH(irq_disable): return patch_internal(VMI_CALL_DisableInterrupts, len, insns); - case PARAVIRT_IRQ_ENABLE: + case PARAVIRT_PATCH(irq_enable): return patch_internal(VMI_CALL_EnableInterrupts, len, insns); - case PARAVIRT_RESTORE_FLAGS: + case PARAVIRT_PATCH(restore_fl): return patch_internal(VMI_CALL_SetInterruptMask, len, insns); - case PARAVIRT_SAVE_FLAGS: + case PARAVIRT_PATCH(save_fl): return patch_internal(VMI_CALL_GetInterruptMask, len, insns); - case PARAVIRT_SAVE_FLAGS_IRQ_DISABLE: - if (len >= 10) { - patch_internal(VMI_CALL_GetInterruptMask, len, insns); - patch_internal(VMI_CALL_DisableInterrupts, len-5, insns+5); - return 10; - } else { - /* - * You bastards didn't leave enough room to - * patch save_flags_irq_disable inline. Patch - * to a helper - */ - BUG_ON(len < 5); - *(char *)insns = MNEM_CALL; - patch_offset(insns, irq_save_disable_callout); - return 5; - } - case PARAVIRT_INTERRUPT_RETURN: + case PARAVIRT_PATCH(iret): return patch_internal(VMI_CALL_IRET, len, insns); - case PARAVIRT_STI_SYSEXIT: + case PARAVIRT_PATCH(irq_enable_sysexit): return patch_internal(VMI_CALL_SYSEXIT, len, insns); default: break; @@ -796,12 +775,6 @@ static inline int __init activate_vmi(void) para_fill(irq_disable, DisableInterrupts); para_fill(irq_enable, EnableInterrupts); - /* irq_save_disable !!! sheer pain */ - patch_offset(&irq_save_disable_callout[IRQ_PATCH_INT_MASK], - (char *)paravirt_ops.save_fl); - patch_offset(&irq_save_disable_callout[IRQ_PATCH_DISABLE], - (char *)paravirt_ops.irq_disable); - para_fill(wbinvd, WBINVD); para_fill(read_tsc, RDTSC); |