From: Tiejun Chen Date: Tue, 18 Nov 2014 09:14:38 +0000 (+0800) Subject: kvm: x86: vmx: remove MMIO_MAX_GEN X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=842bb26a40af52b06a423d58e0d70609a936b162;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git kvm: x86: vmx: remove MMIO_MAX_GEN MMIO_MAX_GEN is the same as MMIO_GEN_MASK. Use only one. Signed-off-by: Tiejun Chen Signed-off-by: Paolo Bonzini --- diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index ac1c4de3a484..4ea0dcb0b21b 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -214,13 +214,12 @@ EXPORT_SYMBOL_GPL(kvm_mmu_set_mmio_spte_mask); #define MMIO_GEN_LOW_SHIFT 10 #define MMIO_GEN_LOW_MASK ((1 << MMIO_GEN_LOW_SHIFT) - 2) #define MMIO_GEN_MASK ((1 << MMIO_GEN_SHIFT) - 1) -#define MMIO_MAX_GEN ((1 << MMIO_GEN_SHIFT) - 1) static u64 generation_mmio_spte_mask(unsigned int gen) { u64 mask; - WARN_ON(gen > MMIO_MAX_GEN); + WARN_ON(gen & ~MMIO_GEN_MASK); mask = (gen & MMIO_GEN_LOW_MASK) << MMIO_SPTE_GEN_LOW_SHIFT; mask |= ((u64)gen >> MMIO_GEN_LOW_SHIFT) << MMIO_SPTE_GEN_HIGH_SHIFT; @@ -263,13 +262,13 @@ static bool is_mmio_spte(u64 spte) static gfn_t get_mmio_spte_gfn(u64 spte) { - u64 mask = generation_mmio_spte_mask(MMIO_MAX_GEN) | shadow_mmio_mask; + u64 mask = generation_mmio_spte_mask(MMIO_GEN_MASK) | shadow_mmio_mask; return (spte & ~mask) >> PAGE_SHIFT; } static unsigned get_mmio_spte_access(u64 spte) { - u64 mask = generation_mmio_spte_mask(MMIO_MAX_GEN) | shadow_mmio_mask; + u64 mask = generation_mmio_spte_mask(MMIO_GEN_MASK) | shadow_mmio_mask; return (spte & ~mask) & ~PAGE_MASK; }