search for: kvm_vcpu_ioctl_x86_set_xsav

...insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 4d5be48b5239..b7eb223dc1aa 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4224,8 +4224,8 @@ void kvm_vcpu_ioctl_x86_get_xsave(struct kvm_vcpu *vcpu, #define XSAVE_MXCSR_OFFSET 24 -static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu, - struct kvm_xsave *guest_xsave) +int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu, + struct kvm_xsave *guest_xsave) { u64 xstate_bv = *(u64 *)&guest_xsave->region[XSAVE_HDR_OFFSET / sizeof(u32)]; diff --git a/include/linux/kvm_host.h b/include/lin...

...*req, + size_t req_size) +{ + struct kvm_xsave *area; + size_t dest_size = sizeof(*area); + int err; + + if (req_size > dest_size) + return -KVM_EINVAL; + + area = kzalloc(dest_size, GFP_KERNEL); + if (!area) + return -KVM_ENOMEM; + + memcpy(area, req, min(req_size, dest_size)); + + err = kvm_vcpu_ioctl_x86_set_xsave(vcpu, area); + kfree(area); + + return err ? -KVM_EINVAL : 0; +} diff --git a/include/uapi/linux/kvmi.h b/include/uapi/linux/kvmi.h index 6b5662f54ba1..441586cec238 100644 --- a/include/uapi/linux/kvmi.h +++ b/include/uapi/linux/kvmi.h @@ -41,6 +41,7 @@ enum { KVMI_VCPU_GET_XCR = 18, KVMI_VC...

...KVM: UAPI: add error codes used by the VM introspection code KVM: add kvm_vcpu_kick_and_wait() KVM: doc: fix the hypercall numbering KVM: x86: add .control_cr3_intercept() to struct kvm_x86_ops KVM: x86: add .desc_ctrl_supported() KVM: x86: add .control_desc_intercept() KVM: x86: export kvm_vcpu_ioctl_x86_set_xsave() KVM: introspection: add hook/unhook ioctls KVM: introspection: add permission access ioctls KVM: introspection: add the read/dispatch message function KVM: introspection: add KVMI_GET_VERSION KVM: introspection: add KVMI_VM_CHECK_COMMAND and KVMI_VM_CHECK_EVENT KVM: introspection: ad...