linux-kernel - [PATCH 5/6] x86/kvm/hyper-v: Drop KVM_CAP_HYPERV_STIMER

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Date:   Thu,  6 Dec 2018 17:58:24 +0100
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     kvm@...r.kernel.org
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        linux-kernel@...r.kernel.org, Roman Kagan <rkagan@...tuozzo.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>, x86@...nel.org,
        "Michael Kelley (EOSG)" <Michael.H.Kelley@...rosoft.com>,
        Eduardo Habkost <ehabkost@...hat.com>
Subject: [PATCH 5/6] x86/kvm/hyper-v: Drop KVM_CAP_HYPERV_STIMER_DIRECT

The newly introduced KVM_GET_SUPPORTED_HV_CPUID covers Direct Mode stimers
feature so we can drop KVM_CAP_HYPERV_STIMER_DIRECT and reuse its number.

Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
---
- This patch only makes sense befor 4.21 merge window, disregard if it
 doesn't make it in time.
---
 arch/x86/kvm/x86.c       | 1 -
 include/uapi/linux/kvm.h | 3 +--
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 142776435166..67ba42929c11 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2997,7 +2997,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
 	case KVM_CAP_HYPERV_TLBFLUSH:
 	case KVM_CAP_HYPERV_SEND_IPI:
 	case KVM_CAP_HYPERV_ENLIGHTENED_VMCS:
-	case KVM_CAP_HYPERV_STIMER_DIRECT:
 	case KVM_CAP_HYPERV_CPUID:
 	case KVM_CAP_PCI_SEGMENT:
 	case KVM_CAP_DEBUGREGS:
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 9d0038eae002..a9121c9bada5 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -975,8 +975,7 @@ struct kvm_ppc_resize_hpt {
 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
 #define KVM_CAP_EXCEPTION_PAYLOAD 164
 #define KVM_CAP_ARM_VM_IPA_SIZE 165
-#define KVM_CAP_HYPERV_STIMER_DIRECT 166
-#define KVM_CAP_HYPERV_CPUID 167
+#define KVM_CAP_HYPERV_CPUID 166
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
-- 
2.19.2