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Signed-off-by: Paolo Bonzini Link: https://patch.msgid.link/20260918135030.171564-16-pbonzini@redhat.com Signed-off-by: Paolo Bonzini --- arch/x86/kvm/x86.c | 4 ++-- include/linux/kvm_host.h | 2 ++ virt/kvm/kvm_main.c | 9 +++++++++ 3 files changed, 13 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 63d48ac4e1c6..ab7a859dda79 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4916,8 +4916,8 @@ static int kvm_fetch_guest_virt(struct x86_emulate_ctxt *ctxt, offset = addr & (PAGE_SIZE-1); if (WARN_ON(offset + bytes > PAGE_SIZE)) bytes = (unsigned)PAGE_SIZE - offset; - ret = kvm_vcpu_read_guest_page(vcpu, gpa >> PAGE_SHIFT, val, - offset, bytes); + ret = kvm_vcpu_fetch_guest_page(vcpu, gpa >> PAGE_SHIFT, val, + offset, bytes); if (unlikely(ret < 0)) return X86EMUL_IO_NEEDED; diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 3791e4290742..1974cd8d361f 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1456,6 +1456,8 @@ DEFINE_VCPU_MAP_CLASS(_readonly); unsigned long kvm_vcpu_gfn_to_hva(struct kvm_vcpu *vcpu, gfn_t gfn); unsigned long kvm_vcpu_gfn_to_hva_prot(struct kvm_vcpu *vcpu, gfn_t gfn, bool *writable); +int kvm_vcpu_fetch_guest_page(struct kvm_vcpu *vcpu, gfn_t gfn, void *data, + int offset, int len); int kvm_vcpu_read_guest_page(struct kvm_vcpu *vcpu, gfn_t gfn, void *data, int offset, int len); int kvm_vcpu_read_guest_atomic(struct kvm_vcpu *vcpu, gpa_t gpa, void *data, diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index d3f074d7fd6f..41818ed5eb3a 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -3398,6 +3398,15 @@ int kvm_vcpu_read_guest_page(struct kvm_vcpu *vcpu, gfn_t gfn, void *data, } EXPORT_SYMBOL_FOR_KVM_INTERNAL(kvm_vcpu_read_guest_page); +int kvm_vcpu_fetch_guest_page(struct kvm_vcpu *vcpu, gfn_t gfn, void *data, + int offset, int len) +{ + struct kvm_memory_slot *slot = kvm_vcpu_gfn_to_memslot(vcpu, gfn); + + return __kvm_read_guest_page(slot, gfn, data, offset, len); +} +EXPORT_SYMBOL_FOR_KVM_INTERNAL(kvm_vcpu_fetch_guest_page); + int kvm_read_guest(struct kvm *kvm, gpa_t gpa, void *data, unsigned long len) { gfn_t gfn = gpa >> PAGE_SHIFT; -- 2.52.0