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From: Paolo Bonzini <pbonzini@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>,
	kvm@vger.kernel.org, qemu-devel@nongnu.org
Cc: Eduardo Habkost <ehabkost@redhat.com>
Subject: Re: [patch 1/2] target-i386: support "invariant tsc" flag
Date: Tue, 22 Apr 2014 20:26:36 -0400	[thread overview]
Message-ID: <535708BC.5060704@redhat.com> (raw)
In-Reply-To: <20140422191200.328459410@amt.cnet>

Il 22/04/2014 15:10, Marcelo Tosatti ha scritto:
> +    case 0x80000007:
> +        *eax = 0;
> +        *ebx = 0;
> +        *ecx = 0;
> +
> +        if (kvm_enabled()) {
> +            *edx = env->features[FEAT_8000_0007_EDX];
> +        } else {
> +            *edx = 0;
> +        }

I think TCG is able to eliminate unsupported features too before they 
get in env->features[].  Or are those patches not in yet?  Eduardo?

Paolo

  reply	other threads:[~2014-04-23  0:26 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-22 19:10 [patch 0/2] expose invariant tsc flag for kvm guests Marcelo Tosatti
2014-04-22 19:10 ` [patch 1/2] target-i386: support "invariant tsc" flag Marcelo Tosatti
2014-04-23  0:26   ` Paolo Bonzini [this message]
2014-04-23  1:11     ` Eduardo Habkost
2014-04-22 19:10 ` [patch 2/2] target-i386: block migration and savevm if invariant tsc is exposed Marcelo Tosatti
2014-04-22 19:28   ` Marcelo Tosatti
2014-04-22 20:38   ` Eduardo Habkost
2014-04-22 21:27     ` Marcelo Tosatti
2014-04-23  1:14       ` Eduardo Habkost
2014-04-24 20:42         ` Paolo Bonzini
2014-04-24 20:57           ` Eduardo Habkost
2014-04-24 22:57             ` Paolo Bonzini
2014-04-24 23:18               ` Eduardo Habkost
2014-04-25 21:08                 ` Paolo Bonzini
2014-04-28 15:46                   ` Eduardo Habkost
2014-04-28 19:06                     ` Paolo Bonzini
2014-04-28 19:23                       ` Eduardo Habkost
2014-04-29  6:22                         ` Paolo Bonzini
2014-04-29 14:29                           ` Eduardo Habkost
2014-04-23 18:20 ` [patch 0/2] expose invariant tsc flag for kvm guests (v2) Marcelo Tosatti
2014-04-23 18:20   ` [patch 1/2] target-i386: support "invariant tsc" flag Marcelo Tosatti
2014-04-23 19:04     ` Eduardo Habkost
2014-04-23 18:20   ` [patch 2/2] target-i386: block migration and savevm if invariant tsc is exposed Marcelo Tosatti
2014-04-23 19:09     ` Eduardo Habkost
2014-04-23 21:04       ` target-i386: block migration and savevm if invariant tsc is exposed (v3) Marcelo Tosatti
2014-04-24 19:21         ` Eduardo Habkost
2014-04-24 21:32           ` Marcelo Tosatti
2014-04-25 20:38             ` Eduardo Habkost
2014-04-25 22:47               ` [PATCH] savevm: check vmsd for migratability status Marcelo Tosatti
2014-04-28 20:36                 ` Eduardo Habkost
2014-04-30  0:39                   ` [PATCH] savevm: check vmsd for migratability status (v2) Marcelo Tosatti
2014-04-30 15:47                     ` [Qemu-devel] " Eduardo Habkost
2014-04-25 22:47               ` target-i386: block migration and savevm if invariant tsc is exposed (v3) Marcelo Tosatti

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