Merge branch 'x86-asmlinkage-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[~andy/linux] / arch / x86 / xen / irq.c

diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c
index 0da7f863056ff05fab1d31dc01e708bdc008badb..08f763de26fe4132d7e6dcf0a7b50a660af76319 100644 (file)
--- a/arch/x86/xen/irq.c
+++ b/arch/x86/xen/irq.c
@@ -5,6 +5,7 @@
 #include <xen/interface/xen.h>
 #include <xen/interface/sched.h>
 #include <xen/interface/vcpu.h>
+#include <xen/features.h>
 #include <xen/events.h>
 
 #include <asm/xen/hypercall.h>
@@ -22,7 +23,7 @@ void xen_force_evtchn_callback(void)
        (void)HYPERVISOR_xen_version(0, NULL);
 }
 
-static unsigned long xen_save_fl(void)
+asmlinkage unsigned long xen_save_fl(void)
 {
        struct vcpu_info *vcpu;
        unsigned long flags;
@@ -40,7 +41,7 @@ static unsigned long xen_save_fl(void)
 }
 PV_CALLEE_SAVE_REGS_THUNK(xen_save_fl);
 
-static void xen_restore_fl(unsigned long flags)
+__visible void xen_restore_fl(unsigned long flags)
 {
        struct vcpu_info *vcpu;
 
@@ -62,7 +63,7 @@ static void xen_restore_fl(unsigned long flags)
 }
 PV_CALLEE_SAVE_REGS_THUNK(xen_restore_fl);
 
-static void xen_irq_disable(void)
+asmlinkage void xen_irq_disable(void)
 {
        /* There's a one instruction preempt window here.  We need to
           make sure we're don't switch CPUs between getting the vcpu
@@ -73,7 +74,7 @@ static void xen_irq_disable(void)
 }
 PV_CALLEE_SAVE_REGS_THUNK(xen_irq_disable);
 
-static void xen_irq_enable(void)
+asmlinkage void xen_irq_enable(void)
 {
        struct vcpu_info *vcpu;
 
@@ -128,6 +129,8 @@ static const struct pv_irq_ops xen_irq_ops __initconst = {
 
 void __init xen_init_irq_ops(void)
 {
-       pv_irq_ops = xen_irq_ops;
+       /* For PVH we use default pv_irq_ops settings. */
+       if (!xen_feature(XENFEAT_hvm_callback_vector))
+               pv_irq_ops = xen_irq_ops;
        x86_init.irqs.intr_init = xen_init_IRQ;
 }