qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
* [Qemu-devel] [PATCH] target-i386: fix typo
@ 2016-11-02 19:58 Paolo Bonzini
  2016-11-04 16:20 ` Richard Henderson
  0 siblings, 1 reply; 2+ messages in thread
From: Paolo Bonzini @ 2016-11-02 19:58 UTC (permalink / raw)
  To: qemu-devel

The impact is small because kvm_get_vcpu_events fixes env->hflags, but
it is wrong and could cause INITs to be delayed arbitrarily with
-machine kernel_irqchip=off.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target-i386/kvm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 1c0864e..f62264a 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -2855,7 +2855,7 @@ MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run)
     if (run->flags & KVM_RUN_X86_SMM) {
         env->hflags |= HF_SMM_MASK;
     } else {
-        env->hflags &= HF_SMM_MASK;
+        env->hflags &= ~HF_SMM_MASK;
     }
     if (run->if_flag) {
         env->eflags |= IF_MASK;
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [Qemu-devel] [PATCH] target-i386: fix typo
  2016-11-02 19:58 [Qemu-devel] [PATCH] target-i386: fix typo Paolo Bonzini
@ 2016-11-04 16:20 ` Richard Henderson
  0 siblings, 0 replies; 2+ messages in thread
From: Richard Henderson @ 2016-11-04 16:20 UTC (permalink / raw)
  To: Paolo Bonzini, qemu-devel

On 11/02/2016 01:58 PM, Paolo Bonzini wrote:
> The impact is small because kvm_get_vcpu_events fixes env->hflags, but
> it is wrong and could cause INITs to be delayed arbitrarily with
> -machine kernel_irqchip=off.
>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  target-i386/kvm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Richard Henderson <rth@twiddle.net>


r~

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2016-11-04 16:20 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-11-02 19:58 [Qemu-devel] [PATCH] target-i386: fix typo Paolo Bonzini
2016-11-04 16:20 ` Richard Henderson

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).