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From: Paul Durrant <paul@xen.org>
To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Paul Durrant <pdurrant@amazon.com>,
	David Woodhouse <dwmw@amazon.co.uk>,
	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 v4 13/13] KVM: xen: advertize the KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA capability
Date: Tue, 19 Sep 2023 13:41:49 +0000	[thread overview]
Message-ID: <20230919134149.6091-14-paul@xen.org> (raw)
In-Reply-To: <20230919134149.6091-1-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>
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.
---
 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


      parent reply	other threads:[~2023-09-19 14:00 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-19 13:41 [PATCH v4 00/13] KVM: xen: update shared_info and vcpu_info handling Paul Durrant
2023-09-19 13:41 ` [PATCH v4 01/13] KVM: pfncache: add a map helper function Paul Durrant
2023-09-19 13:41 ` [PATCH v4 02/13] KVM: pfncache: add a mark-dirty helper Paul Durrant
2023-09-19 13:41 ` [PATCH v4 03/13] KVM: pfncache: add a helper to get the gpa Paul Durrant
2023-09-19 13:41 ` [PATCH v4 04/13] KVM: pfncache: base offset check on khva rather than gpa Paul Durrant
2023-09-19 13:41 ` [PATCH v4 05/13] KVM: pfncache: allow a cache to be activated with a fixed (userspace) HVA Paul Durrant
2023-09-19 14:20   ` David Woodhouse
2023-09-19 14:22     ` Paul Durrant
2023-09-19 13:41 ` [PATCH v4 06/13] KVM: xen: allow shared_info to be mapped by fixed HVA Paul Durrant
2023-09-19 13:41 ` [PATCH v4 07/13] KVM: xen: prepare for using 'default' vcpu_info Paul Durrant
2023-09-19 13:41 ` [PATCH v4 08/13] KVM: xen: prevent vcpu_id from changing whilst shared_info is valid Paul Durrant
2023-09-19 13:41 ` [PATCH v4 09/13] KVM: xen: automatically use the vcpu_info embedded in shared_info Paul Durrant
2023-09-19 14:18   ` David Woodhouse
2023-09-19 14:34     ` Paul Durrant
2023-09-19 15:38       ` David Woodhouse
2023-09-19 15:47         ` Paul Durrant
2023-09-19 16:14           ` David Woodhouse
2023-09-19 13:41 ` [PATCH v4 10/13] KVM: selftests / xen: set KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID Paul Durrant
2023-09-19 13:41 ` [PATCH v4 11/13] KVM: selftests / xen: map shared_info using HVA rather than GFN Paul Durrant
2023-09-19 13:41 ` [PATCH v4 12/13] KVM: selftests / xen: don't explicitly set the vcpu_info address Paul Durrant
2023-09-19 13:41 ` Paul Durrant [this message]

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