diff options
Diffstat (limited to 'arch/x86/kvm/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index e10962dfc203..b1f6451022e5 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -44,6 +44,7 @@ #include <asm/page.h> #include <asm/pat.h> #include <asm/cmpxchg.h> +#include <asm/e820/api.h> #include <asm/io.h> #include <asm/vmx.h> #include <asm/kvm_page_track.h> @@ -2892,7 +2893,9 @@ static bool kvm_is_mmio_pfn(kvm_pfn_t pfn) */ (!pat_enabled() || pat_pfn_immune_to_uc_mtrr(pfn)); - return true; + return !e820__mapped_raw_any(pfn_to_hpa(pfn), + pfn_to_hpa(pfn + 1) - 1, + E820_TYPE_RAM); } /* Bits which may be returned by set_spte() */ |