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| author | Thomas Gleixner <tglx@linutronix.de> | 2015-07-30 00:13:24 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-07-30 00:13:24 +0200 |
| commit | 4b979e4c611ce750d32b51737f837b485f43c69b (patch) | |
| tree | 3bc56f2a22d2cf29bc183b67e74e1e8c0733efc0 /arch/x86/kvm/mmu.c | |
| parent | 1559f3b8d0527e24219149c95b3de5e7b2924828 (diff) | |
| parent | cbfe8fa6cd672011c755c3cd85c9ffd4e2d10a6f (diff) | |
| download | linux-4b979e4c611ce750d32b51737f837b485f43c69b.tar.gz linux-4b979e4c611ce750d32b51737f837b485f43c69b.tar.bz2 linux-4b979e4c611ce750d32b51737f837b485f43c69b.zip | |
Merge branch 'linus' into irq/core
Pull in upstream fixes before applying conflicting changes
Diffstat (limited to 'arch/x86/kvm/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index f807496b62c2..44171462bd2a 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2479,6 +2479,14 @@ static int mmu_need_write_protect(struct kvm_vcpu *vcpu, gfn_t gfn, return 0; } +static bool kvm_is_mmio_pfn(pfn_t pfn) +{ + if (pfn_valid(pfn)) + return !is_zero_pfn(pfn) && PageReserved(pfn_to_page(pfn)); + + return true; +} + static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep, unsigned pte_access, int level, gfn_t gfn, pfn_t pfn, bool speculative, @@ -2506,7 +2514,7 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep, spte |= PT_PAGE_SIZE_MASK; if (tdp_enabled) spte |= kvm_x86_ops->get_mt_mask(vcpu, gfn, - kvm_is_reserved_pfn(pfn)); + kvm_is_mmio_pfn(pfn)); if (host_writable) spte |= SPTE_HOST_WRITEABLE; |