diff options
Diffstat (limited to 'arch/x86/xen/enlighten_hvm.c')
| -rw-r--r-- | arch/x86/xen/enlighten_hvm.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten_hvm.c b/arch/x86/xen/enlighten_hvm.c index e138f7de52d2..3e89b0067ff0 100644 --- a/arch/x86/xen/enlighten_hvm.c +++ b/arch/x86/xen/enlighten_hvm.c @@ -13,6 +13,7 @@ #include <asm/smp.h> #include <asm/reboot.h> #include <asm/setup.h> +#include <asm/idtentry.h> #include <asm/hypervisor.h> #include <asm/e820/api.h> #include <asm/early_ioremap.h> @@ -118,6 +119,17 @@ static void __init init_hvm_pv_info(void) this_cpu_write(xen_vcpu_id, smp_processor_id()); } +DEFINE_IDTENTRY_SYSVEC(sysvec_xen_hvm_callback) +{ + struct pt_regs *old_regs = set_irq_regs(regs); + + inc_irq_stat(irq_hv_callback_count); + + xen_hvm_evtchn_do_upcall(); + + set_irq_regs(old_regs); +} + #ifdef CONFIG_KEXEC_CORE static void xen_hvm_shutdown(void) { |