From: Paul Durrant <paul@xen.org>
To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Paul Durrant <pdurrant@amazon.com>,
Sean Christopherson <seanjc@google.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
David Woodhouse <dwmw2@infradead.org>,
x86@kernel.org
Subject: [PATCH v2 12/12] KVM: xen: advertize the KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA capability
Date: Mon, 18 Sep 2023 11:21:48 +0000 [thread overview]
Message-ID: <20230918112148.28855-13-paul@xen.org> (raw)
In-Reply-To: <20230918112148.28855-1-paul@xen.org>
From: Paul Durrant <pdurrant@amazon.com>
Now that all relevant kernel changes and selftests are in place, enable the
new capability.
Signed-off-by: Paul Durrant <pdurrant@amazon.com>
---
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.
---
arch/x86/kvm/x86.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 2d7d0ae18820..4cd577d01bc4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4527,7 +4527,8 @@ 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;
--
2.39.2
next prev parent reply other threads:[~2023-09-18 11:43 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-18 11:21 [PATCH v2 00/12] KVM: xen: update shared_info and vcpu_info handling Paul Durrant
2023-09-18 11:21 ` [PATCH v2 01/12] KVM: pfncache: add a map helper function Paul Durrant
2023-09-18 11:21 ` [PATCH v2 02/12] KVM: pfncache: add a mark-dirty helper Paul Durrant
2023-09-18 11:21 ` [PATCH v2 03/12] KVM: pfncache: add a helper to get the gpa Paul Durrant
2023-09-18 11:21 ` [PATCH v2 04/12] KVM: pfncache: base offset check on khva rather than gpa Paul Durrant
2023-09-18 11:21 ` [PATCH v2 05/12] KVM: pfncache: allow a cache to be activated with a fixed (userspace) HVA Paul Durrant
2023-09-18 11:34 ` David Woodhouse
2023-09-18 12:11 ` Paul Durrant
2023-09-18 12:59 ` David Woodhouse
2023-09-18 13:00 ` Paul Durrant
2023-09-18 11:21 ` [PATCH v2 06/12] KVM: xen: allow shared_info to be mapped by fixed HVA Paul Durrant
2023-09-18 11:21 ` [PATCH v2 07/12] KVM: xen: prepare for using 'default' vcpu_info Paul Durrant
2023-09-18 11:21 ` [PATCH v2 08/12] KVM: xen: automatically use the vcpu_info embedded in shared_info Paul Durrant
2023-09-18 11:49 ` David Woodhouse
2023-09-18 12:15 ` Paul Durrant
2023-09-18 11:21 ` [PATCH v2 09/12] KVM: selftests / xen: set KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID Paul Durrant
2023-09-18 11:59 ` David Woodhouse
2023-09-18 12:18 ` Paul Durrant
2023-09-18 12:26 ` David Woodhouse
2023-09-18 11:21 ` [PATCH v2 10/12] KVM: selftests / xen: map shared_info using HVA rather than GFN Paul Durrant
2023-09-18 13:19 ` David Woodhouse
2023-09-18 13:24 ` Paul Durrant
2023-09-18 13:30 ` David Woodhouse
2023-09-18 11:21 ` [PATCH v2 11/12] KVM: selftests / xen: don't explicitly set the vcpu_info address Paul Durrant
2023-09-18 13:21 ` David Woodhouse
2023-09-18 13:26 ` Paul Durrant
2023-09-18 13:36 ` David Woodhouse
2023-09-18 13:41 ` Paul Durrant
2023-09-18 14:05 ` David Woodhouse
2023-09-18 14:14 ` Paul Durrant
2023-09-18 11:21 ` Paul Durrant [this message]
2023-09-18 13:22 ` [PATCH v2 12/12] KVM: xen: advertize the KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA capability David Woodhouse
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