diff options
| author |   Sean Christopherson <seanjc@google.com> | 2022-08-30 23:15:56 +0000 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2022-09-26 12:03:06 -0400 |
| commit | 0701ec903e6bf1fcc07f92e64ca8474d151844da (patch) | |
| tree | b3df52928bde627a30d184d4b2d1b37edc7891cb | |
| parent | KVM: x86: Treat #DBs from the emulator as fault-like (code and DR7.GD=1) (diff) | |
| download | linux-dev-0701ec903e6bf1fcc07f92e64ca8474d151844da.tar.xz linux-dev-0701ec903e6bf1fcc07f92e64ca8474d151844da.zip | |
KVM: x86: Use DR7_GD macro instead of open coding check in emulator
Use DR7_GD in the emulator instead of open coding the check, and drop a
comically wrong comment.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20220830231614.3580124-10-seanjc@google.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | arch/x86/kvm/emulate.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 862498dc3d75..b6180032dfd6 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -4166,8 +4166,7 @@ static int check_dr7_gd(struct x86_emulate_ctxt *ctxt) ctxt->ops->get_dr(ctxt, 7, &dr7); - /* Check if DR7.Global_Enable is set */ - return dr7 & (1 << 13); + return dr7 & DR7_GD; } static int check_dr_read(struct x86_emulate_ctxt *ctxt) |