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authorSean Christopherson <seanjc@google.com>2022-04-30 00:00:20 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2022-05-25 12:23:41 +0300
commit345b0fd6fe5f66dfe841bad0b39dd11a5672df68 (patch)
treea8a245f6931d6e03db18014013f0a8d88c1cf09b /virt
parent0471a7bd1bca2a47a5f378f2222c5cf39ce94152 (diff)
downloadlinux-345b0fd6fe5f66dfe841bad0b39dd11a5672df68.tar.xz
KVM: Drop unused @gpa param from gfn=>pfn cache's __release_gpc() helper
Drop the @pga param from __release_gpc() and rename the helper to make it more obvious that the cache itself is not being released. The helper will be reused by a future commit to release a pfn+khva combination that is _never_ associated with the cache, at which point the current name would go from slightly misleading to blatantly wrong. No functional change intended. Cc: stable@vger.kernel.org Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20220429210025.3293691-4-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/pfncache.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/virt/kvm/pfncache.c b/virt/kvm/pfncache.c
index dd84676615f1..e05a6a1b8eff 100644
--- a/virt/kvm/pfncache.c
+++ b/virt/kvm/pfncache.c
@@ -95,7 +95,7 @@ bool kvm_gfn_to_pfn_cache_check(struct kvm *kvm, struct gfn_to_pfn_cache *gpc,
}
EXPORT_SYMBOL_GPL(kvm_gfn_to_pfn_cache_check);
-static void __release_gpc(struct kvm *kvm, kvm_pfn_t pfn, void *khva, gpa_t gpa)
+static void gpc_release_pfn_and_khva(struct kvm *kvm, kvm_pfn_t pfn, void *khva)
{
/* Unmap the old page if it was mapped before, and release it */
if (!is_error_noslot_pfn(pfn)) {
@@ -146,7 +146,6 @@ int kvm_gfn_to_pfn_cache_refresh(struct kvm *kvm, struct gfn_to_pfn_cache *gpc,
unsigned long page_offset = gpa & ~PAGE_MASK;
kvm_pfn_t old_pfn, new_pfn;
unsigned long old_uhva;
- gpa_t old_gpa;
void *old_khva;
bool old_valid;
int ret = 0;
@@ -160,7 +159,6 @@ int kvm_gfn_to_pfn_cache_refresh(struct kvm *kvm, struct gfn_to_pfn_cache *gpc,
write_lock_irq(&gpc->lock);
- old_gpa = gpc->gpa;
old_pfn = gpc->pfn;
old_khva = gpc->khva - offset_in_page(gpc->khva);
old_uhva = gpc->uhva;
@@ -244,7 +242,7 @@ int kvm_gfn_to_pfn_cache_refresh(struct kvm *kvm, struct gfn_to_pfn_cache *gpc,
out:
write_unlock_irq(&gpc->lock);
- __release_gpc(kvm, old_pfn, old_khva, old_gpa);
+ gpc_release_pfn_and_khva(kvm, old_pfn, old_khva);
return ret;
}
@@ -254,14 +252,12 @@ void kvm_gfn_to_pfn_cache_unmap(struct kvm *kvm, struct gfn_to_pfn_cache *gpc)
{
void *old_khva;
kvm_pfn_t old_pfn;
- gpa_t old_gpa;
write_lock_irq(&gpc->lock);
gpc->valid = false;
old_khva = gpc->khva - offset_in_page(gpc->khva);
- old_gpa = gpc->gpa;
old_pfn = gpc->pfn;
/*
@@ -273,7 +269,7 @@ void kvm_gfn_to_pfn_cache_unmap(struct kvm *kvm, struct gfn_to_pfn_cache *gpc)
write_unlock_irq(&gpc->lock);
- __release_gpc(kvm, old_pfn, old_khva, old_gpa);
+ gpc_release_pfn_and_khva(kvm, old_pfn, old_khva);
}
EXPORT_SYMBOL_GPL(kvm_gfn_to_pfn_cache_unmap);