From: Paul Durrant <pdurrant@amazon.com>
Date: Mon, 18 Sep 2023 09:42:14 +0000 (+0000)
Subject: KVM: xen: advertize the KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA capability
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=329ec40b45c408db1d6339e56791f5447fff7bf0;p=people%2Fpauldu%2Flinux.git

KVM: xen: advertize the KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA capability

Now that all relevant kernel changes and selftests are in place, enable the
new capability.

Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
---
Cc: Sean Christopherson <seanjc@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: x86@kernel.org

v2:
 - New in this version.
---

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index f4ebac198ff5..917551e4a0af 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4638,7 +4638,8 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
 		    KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL |
 		    KVM_XEN_HVM_CONFIG_SHARED_INFO |
 		    KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL |
-		    KVM_XEN_HVM_CONFIG_EVTCHN_SEND;
+		    KVM_XEN_HVM_CONFIG_EVTCHN_SEND |
+		    KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA;
 		if (sched_info_on())
 			r |= KVM_XEN_HVM_CONFIG_RUNSTATE |
 			     KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG;