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 v7 10/11] KVM: xen: advertize the KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA capability
Date: Mon, 2 Oct 2023 09:57:39 +0000 [thread overview]
Message-ID: <20231002095740.1472907-11-paul@xen.org> (raw)
In-Reply-To: <20231002095740.1472907-1-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 eee252a0afef..1487b679ae45 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4531,7 +4531,8 @@ 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:[~2023-10-02 10:00 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-02 9:57 [PATCH v7 00/11] KVM: xen: update shared_info and vcpu_info handling Paul Durrant
2023-10-02 9:57 ` [PATCH v7 01/11] KVM: pfncache: add a map helper function Paul Durrant
2023-10-31 23:20 ` Sean Christopherson
2023-11-02 17:09 ` Paul Durrant
2023-10-02 9:57 ` [PATCH v7 02/11] KVM: pfncache: add a mark-dirty helper Paul Durrant
2023-10-31 23:28 ` Sean Christopherson
2023-11-02 17:52 ` Paul Durrant
2023-11-03 23:07 ` Sean Christopherson
2023-10-02 9:57 ` [PATCH v7 03/11] KVM: pfncache: add a helper to get the gpa Paul Durrant
2023-10-31 23:37 ` Sean Christopherson
2023-10-02 9:57 ` [PATCH v7 04/11] KVM: pfncache: base offset check on khva rather than gpa Paul Durrant
2023-10-31 23:40 ` Sean Christopherson
2023-11-02 18:11 ` Paul Durrant
2023-11-03 23:10 ` Sean Christopherson
2023-10-02 9:57 ` [PATCH v7 05/11] KVM: pfncache: allow a cache to be activated with a fixed (userspace) HVA Paul Durrant
2023-10-31 23:49 ` Sean Christopherson
2023-11-02 18:01 ` Paul Durrant
2023-11-03 23:12 ` Sean Christopherson
2023-10-02 9:57 ` [PATCH v7 06/11] KVM: xen: allow shared_info to be mapped by fixed HVA Paul Durrant
2023-10-31 23:52 ` Sean Christopherson
2023-10-02 9:57 ` [PATCH v7 07/11] KVM: xen: allow vcpu_info " Paul Durrant
2023-10-02 9:57 ` [PATCH v7 08/11] KVM: selftests / xen: map shared_info using HVA rather than GFN Paul Durrant
2023-10-02 9:57 ` [PATCH v7 09/11] KVM: selftests / xen: re-map vcpu_info using HVA rather than GPA Paul Durrant
2023-10-02 9:57 ` Paul Durrant [this message]
2023-10-02 9:57 ` [PATCH v7 11/11] KVM: xen: allow vcpu_info content to be 'safely' copied Paul Durrant
2023-10-31 23:58 ` Sean Christopherson
2023-11-08 15:15 ` David Woodhouse
2023-11-08 20:55 ` Sean Christopherson
2023-11-08 21:56 ` David Woodhouse
2023-10-05 6:41 ` [PATCH v7 00/11] KVM: xen: update shared_info and vcpu_info handling David Woodhouse
2023-10-05 8:36 ` Paul Durrant
2023-11-09 10:02 ` David Woodhouse
2023-11-09 10:06 ` Paul Durrant
2023-10-30 12:00 ` Paul Durrant
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