diff options
| author | Sean Christopherson <seanjc@google.com> | 2024-10-10 21:23:48 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-10-25 20:00:47 +0300 |
| commit | 1fbee5b01a0fd27db571eed757682a7c20045107 (patch) | |
| tree | d50a2e371ec480cfb4a69c6a995205db3dd738a7 /include/linux | |
| parent | 4af18dc6a9204464db76d9771d1f40e2b46bf6ae (diff) | |
| download | linux-1fbee5b01a0fd27db571eed757682a7c20045107.tar.xz | |
KVM: guest_memfd: Provide "struct page" as output from kvm_gmem_get_pfn()
Provide the "struct page" associated with a guest_memfd pfn as an output
from __kvm_gmem_get_pfn() so that KVM guest page fault handlers can
directly put the page instead of having to rely on
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: <20241010182427.1434605-47-seanjc@google.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/kvm_host.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index a63b0325d3e2..6efdc00b4254 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -2487,11 +2487,13 @@ static inline bool kvm_mem_is_private(struct kvm *kvm, gfn_t gfn) #ifdef CONFIG_KVM_PRIVATE_MEM int kvm_gmem_get_pfn(struct kvm *kvm, struct kvm_memory_slot *slot, - gfn_t gfn, kvm_pfn_t *pfn, int *max_order); + gfn_t gfn, kvm_pfn_t *pfn, struct page **page, + int *max_order); #else static inline int kvm_gmem_get_pfn(struct kvm *kvm, struct kvm_memory_slot *slot, gfn_t gfn, - kvm_pfn_t *pfn, int *max_order) + kvm_pfn_t *pfn, struct page **page, + int *max_order) { KVM_BUG_ON(1, kvm); return -EIO; |