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Diffstat (limited to 'arch/x86/xen/irq.c')
-rw-r--r--arch/x86/xen/irq.c23
1 files changed, 0 insertions, 23 deletions
diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c
index 850c93f346c7..dfa091d79c2e 100644
--- a/arch/x86/xen/irq.c
+++ b/arch/x86/xen/irq.c
@@ -42,28 +42,6 @@ asmlinkage __visible unsigned long xen_save_fl(void)
}
PV_CALLEE_SAVE_REGS_THUNK(xen_save_fl);
-__visible void xen_restore_fl(unsigned long flags)
-{
- struct vcpu_info *vcpu;
-
- /* convert from IF type flag */
- flags = !(flags & X86_EFLAGS_IF);
-
- /* See xen_irq_enable() for why preemption must be disabled. */
- preempt_disable();
- vcpu = this_cpu_read(xen_vcpu);
- vcpu->evtchn_upcall_mask = flags;
-
- if (flags == 0) {
- barrier(); /* unmask then check (avoid races) */
- if (unlikely(vcpu->evtchn_upcall_pending))
- xen_force_evtchn_callback();
- preempt_enable();
- } else
- preempt_enable_no_resched();
-}
-PV_CALLEE_SAVE_REGS_THUNK(xen_restore_fl);
-
asmlinkage __visible void xen_irq_disable(void)
{
/* There's a one instruction preempt window here. We need to
@@ -118,7 +96,6 @@ static void xen_halt(void)
static const struct pv_irq_ops xen_irq_ops __initconst = {
.save_fl = PV_CALLEE_SAVE(xen_save_fl),
- .restore_fl = PV_CALLEE_SAVE(xen_restore_fl),
.irq_disable = PV_CALLEE_SAVE(xen_irq_disable),
.irq_enable = PV_CALLEE_SAVE(xen_irq_enable),