summaryrefslogtreecommitdiff
path: root/arch/x86/kvm/emulate.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-09-25 09:22:13 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-09-25 09:22:13 +0200
commita12c689209185c1ad872723a644d0cd27e52d49c (patch)
tree11c01d147a9241561eb7a3ad5a999e234be2750c /arch/x86/kvm/emulate.c
parent4c8928850c9dc5c849ee37d89a79d44a283bdd87 (diff)
parent7e2cd21e02b35483ce8ea88da5732d4d3ec3a6c9 (diff)
Merge 7e2cd21e02b3 ("Merge tag 'tty-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty") into tty-next
We need the tty fixes and api additions in this branch. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/kvm/emulate.c')
-rw-r--r--arch/x86/kvm/emulate.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index d5ec3a2ed5a4..aacb28c83e43 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -4132,6 +4132,9 @@ static int em_xsetbv(struct x86_emulate_ctxt *ctxt)
{
u32 eax, ecx, edx;
+ if (!(ctxt->ops->get_cr(ctxt, 4) & X86_CR4_OSXSAVE))
+ return emulate_ud(ctxt);
+
eax = reg_read(ctxt, VCPU_REGS_RAX);
edx = reg_read(ctxt, VCPU_REGS_RDX);
ecx = reg_read(ctxt, VCPU_REGS_RCX);