diff options
| author | Michal Luczaj <mhal@rbox.co> | 2022-10-13 23:12:27 +0200 |
|---|---|---|
| committer | David Woodhouse <dwmw@amazon.co.uk> | 2022-11-30 20:25:23 +0100 |
| commit | 2a0b128a906ab28b1ab41ceedcaf462b6f74f1aa (patch) | |
| tree | f9d26c2f45a8ec2e18e515b348b2c051d8241957 /virt | |
| parent | KVM: Use gfn_to_pfn_cache's immutable "kvm" in kvm_gpc_check() (diff) | |
| download | linux-2a0b128a906ab28b1ab41ceedcaf462b6f74f1aa.tar.xz linux-2a0b128a906ab28b1ab41ceedcaf462b6f74f1aa.zip | |
KVM: Clean up hva_to_pfn_retry()
Make hva_to_pfn_retry() use kvm instance cached in gfn_to_pfn_cache.
Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Michal Luczaj <mhal@rbox.co>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/pfncache.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/virt/kvm/pfncache.c b/virt/kvm/pfncache.c index decf4fdde668..9d506de6c150 100644 --- a/virt/kvm/pfncache.c +++ b/virt/kvm/pfncache.c @@ -138,7 +138,7 @@ static inline bool mmu_notifier_retry_cache(struct kvm *kvm, unsigned long mmu_s return kvm->mmu_invalidate_seq != mmu_seq; } -static kvm_pfn_t hva_to_pfn_retry(struct kvm *kvm, struct gfn_to_pfn_cache *gpc) +static kvm_pfn_t hva_to_pfn_retry(struct gfn_to_pfn_cache *gpc) { /* Note, the new page offset may be different than the old! */ void *old_khva = gpc->khva - offset_in_page(gpc->khva); @@ -158,7 +158,7 @@ static kvm_pfn_t hva_to_pfn_retry(struct kvm *kvm, struct gfn_to_pfn_cache *gpc) gpc->valid = false; do { - mmu_seq = kvm->mmu_invalidate_seq; + mmu_seq = gpc->kvm->mmu_invalidate_seq; smp_rmb(); write_unlock_irq(&gpc->lock); @@ -216,7 +216,7 @@ static kvm_pfn_t hva_to_pfn_retry(struct kvm *kvm, struct gfn_to_pfn_cache *gpc) * attempting to refresh. */ WARN_ON_ONCE(gpc->valid); - } while (mmu_notifier_retry_cache(kvm, mmu_seq)); + } while (mmu_notifier_retry_cache(gpc->kvm, mmu_seq)); gpc->valid = true; gpc->pfn = new_pfn; @@ -294,7 +294,7 @@ int kvm_gpc_refresh(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, gpa_t gpa, * drop the lock and do the HVA to PFN lookup again. */ if (!gpc->valid || old_uhva != gpc->uhva) { - ret = hva_to_pfn_retry(kvm, gpc); + ret = hva_to_pfn_retry(gpc); } else { /* * If the HVA→PFN mapping was already valid, don't unmap it. |