diff options
Diffstat (limited to 'arch/x86/xen/xen-asm.S')
| -rw-r--r-- | arch/x86/xen/xen-asm.S | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/arch/x86/xen/xen-asm.S b/arch/x86/xen/xen-asm.S index 1a43b60c0c6..fe161ed4b01 100644 --- a/arch/x86/xen/xen-asm.S +++ b/arch/x86/xen/xen-asm.S @@ -33,12 +33,17 @@ events, then enter the hypervisor to get them handled. */ ENTRY(xen_irq_enable_direct) - /* Clear mask and test pending */ - andw $0x00ff, PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_pending + /* Unmask events */ + movb $0, PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_mask + /* Preempt here doesn't matter because that will deal with any pending interrupts. The pending check may end up being run on the wrong CPU, but that doesn't hurt. */ + + /* Test for pending */ + testb $0xff, PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_pending jz 1f + 2: call check_events 1: ENDPATCH(xen_irq_enable_direct) @@ -130,13 +135,8 @@ ENDPATCH(xen_restore_fl_direct) current stack state in whatever form its in, we keep things simple by only using a single register which is pushed/popped on the stack. - - Non-direct iret could be done in the same way, but it would - require an annoying amount of code duplication. We'll assume - that direct mode will be the common case once the hypervisor - support becomes commonplace. */ -ENTRY(xen_iret_direct) +ENTRY(xen_iret) /* test eflags for special cases */ testl $(X86_EFLAGS_VM | XEN_EFLAGS_NMI), 8(%esp) jnz hyper_iret @@ -150,9 +150,9 @@ ENTRY(xen_iret_direct) GET_THREAD_INFO(%eax) movl TI_cpu(%eax),%eax movl __per_cpu_offset(,%eax,4),%eax - lea per_cpu__xen_vcpu_info(%eax),%eax + mov per_cpu__xen_vcpu(%eax),%eax #else - movl $per_cpu__xen_vcpu_info, %eax + movl per_cpu__xen_vcpu, %eax #endif /* check IF state we're restoring */ |