diff options
| author | Sean Christopherson <seanjc@google.com> | 2026-07-09 13:49:42 -0700 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2026-07-10 09:01:11 -0700 |
| commit | bfbf5fa51145cf874fa6a51d123e0d917db6eedc (patch) | |
| tree | 2abde2d5c69b4d1544eded176edcf0725b28f55f | |
| parent | 98fb11aed12ba8c2edb42428a0188f726a61182f (diff) | |
KVM: x86: Guard .gmem_prepare() declarations with HAVE_KVM_GMEM_PREPARE=y
Wrap the .gmem_prepare() declarations with HAVE_KVM_GMEM_PREPARE so that
non-SEV code doesn't try to wire up a callback without doing the necessary
enabling.
No functional change intended.
Fixes: 3bb2531e20bf ("KVM: guest_memfd: Add hook for initializing memory")
Reviewed-by: Ackerley Tng <ackerleytng@google.com>
Reviewed-by: Michael Roth <michael.roth@amd.com>
Link: https://patch.msgid.link/20260709204948.1988414-13-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
| -rw-r--r-- | arch/x86/include/asm/kvm-x86-ops.h | 4 | ||||
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/include/asm/kvm-x86-ops.h b/arch/x86/include/asm/kvm-x86-ops.h index ccf23b3f0e1c..736129db272a 100644 --- a/arch/x86/include/asm/kvm-x86-ops.h +++ b/arch/x86/include/asm/kvm-x86-ops.h @@ -146,12 +146,14 @@ KVM_X86_OP(vcpu_deliver_sipi_vector) KVM_X86_OP_OPTIONAL_RET0(vcpu_get_apicv_inhibit_reasons); KVM_X86_OP_OPTIONAL(get_untagged_addr) KVM_X86_OP_OPTIONAL(alloc_apic_backing_page) +#ifdef CONFIG_HAVE_KVM_ARCH_GMEM_PREPARE KVM_X86_OP_OPTIONAL_RET0(gmem_prepare) -KVM_X86_OP_OPTIONAL_RET0(gmem_max_mapping_level) +#endif KVM_X86_OP_OPTIONAL(gmem_invalidate) #ifdef CONFIG_HAVE_KVM_ARCH_GMEM_INVALIDATE KVM_X86_OP_OPTIONAL(gmem_invalidate_range) #endif +KVM_X86_OP_OPTIONAL_RET0(gmem_max_mapping_level) #endif #undef KVM_X86_OP diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 1c598b40e0c3..1f8ef0e1566a 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1903,7 +1903,9 @@ struct kvm_x86_ops { gva_t (*get_untagged_addr)(struct kvm_vcpu *vcpu, gva_t gva, unsigned int flags); void *(*alloc_apic_backing_page)(struct kvm_vcpu *vcpu); +#ifdef CONFIG_HAVE_KVM_ARCH_GMEM_PREPARE int (*gmem_prepare)(struct kvm *kvm, kvm_pfn_t pfn, gfn_t gfn, int max_order); +#endif void (*gmem_invalidate)(kvm_pfn_t start, kvm_pfn_t end); #ifdef CONFIG_HAVE_KVM_ARCH_GMEM_INVALIDATE void (*gmem_invalidate_range)(struct kvm *kvm, struct kvm_gfn_range *range); |