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Diffstat (limited to 'arch/x86/kvm/mmu/spte.c')
-rw-r--r--arch/x86/kvm/mmu/spte.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/kvm/mmu/spte.c b/arch/x86/kvm/mmu/spte.c
index cf2c6426a6fc..4a599130e9c9 100644
--- a/arch/x86/kvm/mmu/spte.c
+++ b/arch/x86/kvm/mmu/spte.c
@@ -61,7 +61,7 @@ static u64 generation_mmio_spte_mask(u64 gen)
{
u64 mask;
- WARN_ON(gen & ~MMIO_SPTE_GEN_MASK);
+ WARN_ON_ONCE(gen & ~MMIO_SPTE_GEN_MASK);
mask = (gen << MMIO_SPTE_GEN_LOW_SHIFT) & MMIO_SPTE_GEN_LOW_MASK;
mask |= (gen << MMIO_SPTE_GEN_HIGH_SHIFT) & MMIO_SPTE_GEN_HIGH_MASK;
@@ -221,8 +221,6 @@ bool make_spte(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
* shadow pages and unsync'ing pages is not allowed.
*/
if (mmu_try_to_unsync_pages(vcpu->kvm, slot, gfn, can_unsync, prefetch)) {
- pgprintk("%s: found shadow page for %llx, marking ro\n",
- __func__, gfn);
wrprot = true;
pte_access &= ~ACC_WRITE_MASK;
spte &= ~(PT_WRITABLE_MASK | shadow_mmu_writable_mask);
@@ -242,7 +240,7 @@ out:
if ((spte & PT_WRITABLE_MASK) && kvm_slot_dirty_track_enabled(slot)) {
/* Enforced by kvm_mmu_hugepage_adjust. */
- WARN_ON(level > PG_LEVEL_4K);
+ WARN_ON_ONCE(level > PG_LEVEL_4K);
mark_page_dirty_in_slot(vcpu->kvm, slot, gfn);
}