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
next prev parent 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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