UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

KVM: x86: allow TSC deadline timer on all hosts 

Emulation does not utilize the feature.

Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Radim Krčmář 2015-01-08 15:59:30 +01:00 committed by Paolo Bonzini
parent bab5bb3982
commit defcf51fa9
1 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/x86/kvm/x86.c
View File

@ -2752,6 +2752,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_READONLY_MEM: case KVM_CAP_READONLY_MEM:
case KVM_CAP_HYPERV_TIME: case KVM_CAP_HYPERV_TIME:
case KVM_CAP_IOAPIC_POLARITY_IGNORED: case KVM_CAP_IOAPIC_POLARITY_IGNORED:
case KVM_CAP_TSC_DEADLINE_TIMER:
#ifdef CONFIG_KVM_DEVICE_ASSIGNMENT #ifdef CONFIG_KVM_DEVICE_ASSIGNMENT
case KVM_CAP_ASSIGN_DEV_IRQ: case KVM_CAP_ASSIGN_DEV_IRQ:
case KVM_CAP_PCI_2_3: case KVM_CAP_PCI_2_3:
@ -2790,9 +2791,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_TSC_CONTROL: case KVM_CAP_TSC_CONTROL:
r = kvm_has_tsc_control; r = kvm_has_tsc_control;
break; break;
case KVM_CAP_TSC_DEADLINE_TIMER:
r = boot_cpu_has(X86_FEATURE_TSC_DEADLINE_TIMER);
break;
default: default:
r = 0; r = 0;
break; break;