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| author | David Stevens <stevensd@chromium.org> | 2024-10-10 20:23:32 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-10-25 18:57:59 +0200 |
| commit | 2ff072ba7ad2deb1c3b2d231faa0ac3a25e2451b (patch) | |
| tree | 934f21186bbe6c62557b7f669ecab753cbb39a6f /include | |
| parent | KVM: pfncache: Precisely track refcounted pages (diff) | |
| download | linux-2ff072ba7ad2deb1c3b2d231faa0ac3a25e2451b.tar.xz linux-2ff072ba7ad2deb1c3b2d231faa0ac3a25e2451b.zip | |
KVM: Migrate kvm_vcpu_map() to kvm_follow_pfn()
Migrate kvm_vcpu_map() to kvm_follow_pfn(), and have it track whether or
not the map holds a refcounted struct page. Precisely tracking struct
page references will eventually allow removing kvm_pfn_to_refcounted_page()
and its various wrappers.
Signed-off-by: David Stevens <stevensd@chromium.org>
[sean: use a pointer instead of a boolean]
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: <20241010182427.1434605-31-seanjc@google.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/kvm_host.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index cd6f5cc1930f..35e1beb017dd 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -280,6 +280,7 @@ struct kvm_host_map { * can be used as guest memory but they are not managed by host * kernel). */ + struct page *refcounted_page; struct page *page; void *hva; kvm_pfn_t pfn; @@ -1238,7 +1239,6 @@ void kvm_release_pfn_dirty(kvm_pfn_t pfn); void kvm_set_pfn_dirty(kvm_pfn_t pfn); void kvm_set_pfn_accessed(kvm_pfn_t pfn); -void kvm_release_pfn(kvm_pfn_t pfn, bool dirty); int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset, int len); int kvm_read_guest(struct kvm *kvm, gpa_t gpa, void *data, unsigned long len); |