diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/hugetlb.h | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mshyperv.c | 12 |
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h index f8a29d2..e6a8613 100644 --- a/arch/x86/include/asm/hugetlb.h +++ b/arch/x86/include/asm/hugetlb.h @@ -4,6 +4,7 @@ #include <asm/page.h> #include <asm-generic/hugetlb.h> +#define hugepages_supported() cpu_has_pse static inline int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index 4e7c693..10c11b4 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -152,6 +152,11 @@ static struct clocksource hyperv_cs = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; +static unsigned char hv_get_nmi_reason(void) +{ + return 0; +} + static void __init ms_hyperv_init_platform(void) { /* @@ -191,6 +196,13 @@ static void __init ms_hyperv_init_platform(void) machine_ops.crash_shutdown = hv_machine_crash_shutdown; #endif mark_tsc_unstable("running on Hyper-V"); + + /* + * Generation 2 instances don't support reading the NMI status from + * 0x61 port. + */ + if (efi_enabled(EFI_BOOT)) + x86_platform.get_nmi_reason = hv_get_nmi_reason; } const __refconst struct hypervisor_x86 x86_hyper_ms_hyperv = { |
