diff options
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/enlighten.c | 5 | ||||
| -rw-r--r-- | arch/x86/xen/irq.c | 5 |
2 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 2eca618..a4e2f30 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1144,8 +1144,9 @@ void xen_setup_vcpu_info_placement(void) xen_vcpu_setup(cpu); /* xen_vcpu_setup managed to place the vcpu_info within the - percpu area for all cpus, so make use of it */ - if (have_vcpu_info_placement) { + * percpu area for all cpus, so make use of it. Note that for + * PVH we want to use native IRQ mechanism. */ + if (have_vcpu_info_placement && !xen_pvh_domain()) { pv_irq_ops.save_fl = __PV_IS_CALLEE_SAVE(xen_save_fl_direct); pv_irq_ops.restore_fl = __PV_IS_CALLEE_SAVE(xen_restore_fl_direct); pv_irq_ops.irq_disable = __PV_IS_CALLEE_SAVE(xen_irq_disable_direct); diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c index 0da7f86..76ca326 100644 --- 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> @@ -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; } |