diff options
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/enlighten_hvm.c | 24 | ||||
| -rw-r--r-- | arch/x86/xen/enlighten_pvh.c | 9 |
2 files changed, 22 insertions, 11 deletions
diff --git a/arch/x86/xen/enlighten_hvm.c b/arch/x86/xen/enlighten_hvm.c index 754d5391d9fa..826898701045 100644 --- a/arch/x86/xen/enlighten_hvm.c +++ b/arch/x86/xen/enlighten_hvm.c @@ -1,3 +1,4 @@ +#include <linux/acpi.h> #include <linux/cpu.h> #include <linux/kexec.h> #include <linux/memblock.h> @@ -188,8 +189,6 @@ static void __init xen_hvm_guest_init(void) xen_hvm_init_time_ops(); xen_hvm_init_mmu_ops(); - if (xen_pvh_domain()) - machine_ops.emergency_restart = xen_emergency_restart; #ifdef CONFIG_KEXEC_CORE machine_ops.shutdown = xen_hvm_shutdown; machine_ops.crash_shutdown = xen_hvm_crash_shutdown; @@ -226,6 +225,26 @@ static uint32_t __init xen_platform_hvm(void) return xen_cpuid_base(); } +static __init void xen_hvm_guest_late_init(void) +{ +#ifdef CONFIG_XEN_PVH + /* Test for PVH domain (PVH boot path taken overrides ACPI flags). */ + if (!xen_pvh && + (x86_platform.legacy.rtc || !x86_platform.legacy.no_vga)) + return; + + /* PVH detected. */ + xen_pvh = true; + + /* Make sure we don't fall back to (default) ACPI_IRQ_MODEL_PIC. */ + if (!nr_ioapics && acpi_irq_model == ACPI_IRQ_MODEL_PIC) + acpi_irq_model = ACPI_IRQ_MODEL_PLATFORM; + + machine_ops.emergency_restart = xen_emergency_restart; + pv_info.name = "Xen PVH"; +#endif +} + const __initconst struct hypervisor_x86 x86_hyper_xen_hvm = { .name = "Xen HVM", .detect = xen_platform_hvm, @@ -233,5 +252,6 @@ const __initconst struct hypervisor_x86 x86_hyper_xen_hvm = { .init.init_platform = xen_hvm_guest_init, .init.x2apic_available = xen_x2apic_para_available, .init.init_mem_mapping = xen_hvm_init_mem_mapping, + .init.guest_late_init = xen_hvm_guest_late_init, .runtime.pin_vcpu = xen_pin_vcpu, }; diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c index 7bd3ee08393e..436c4f003e17 100644 --- a/arch/x86/xen/enlighten_pvh.c +++ b/arch/x86/xen/enlighten_pvh.c @@ -25,13 +25,6 @@ struct boot_params pvh_bootparams __attribute__((section(".data"))); struct hvm_start_info pvh_start_info; unsigned int pvh_start_info_sz = sizeof(pvh_start_info); -static void xen_pvh_arch_setup(void) -{ - /* Make sure we don't fall back to (default) ACPI_IRQ_MODEL_PIC. */ - if (nr_ioapics == 0) - acpi_irq_model = ACPI_IRQ_MODEL_PLATFORM; -} - static void __init init_pvh_bootparams(void) { struct xen_memory_map memmap; @@ -102,6 +95,4 @@ void __init xen_prepare_pvh(void) wrmsr_safe(msr, (u32)pfn, (u32)(pfn >> 32)); init_pvh_bootparams(); - - x86_init.oem.arch_setup = xen_pvh_arch_setup; } |