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| author | Sean Christopherson <seanjc@google.com> | 2024-10-10 20:24:17 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-10-25 19:00:49 +0200 |
| commit | ce6bf70346891f75e400f93193773fcbf72c27fc (patch) | |
| tree | de80e440e6de78a2f23d2fc09e17b1e9556b3247 /virt/kvm/kvm_main.c | |
| parent | KVM: PPC: Use kvm_vcpu_map() to map guest memory to patch dcbz instructions (diff) | |
| download | linux-ce6bf70346891f75e400f93193773fcbf72c27fc.tar.xz linux-ce6bf70346891f75e400f93193773fcbf72c27fc.zip | |
KVM: Convert gfn_to_page() to use kvm_follow_pfn()
Convert gfn_to_page() to the new kvm_follow_pfn() internal API, which will
eventually allow removing gfn_to_pfn() and kvm_pfn_to_refcounted_page().
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20241010182427.1434605-76-seanjc@google.com>
Diffstat (limited to '')
| -rw-r--r-- | virt/kvm/kvm_main.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index f79745d6500c..5a424598610f 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -3139,14 +3139,16 @@ EXPORT_SYMBOL_GPL(kvm_prefetch_pages); */ struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn) { - kvm_pfn_t pfn; - - pfn = gfn_to_pfn(kvm, gfn); - - if (is_error_noslot_pfn(pfn)) - return NULL; + struct page *refcounted_page = NULL; + struct kvm_follow_pfn kfp = { + .slot = gfn_to_memslot(kvm, gfn), + .gfn = gfn, + .flags = FOLL_WRITE, + .refcounted_page = &refcounted_page, + }; - return kvm_pfn_to_refcounted_page(pfn); + (void)kvm_follow_pfn(&kfp); + return refcounted_page; } EXPORT_SYMBOL_GPL(gfn_to_page); |