From: Alexander Graf <agraf@suse.de>
To: Eduardo Habkost <ehabkost@redhat.com>, qemu-devel@nongnu.org
Cc: "Borislav Petkov" <bp@alien8.de>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Gabriel L. Somlo" <gsomlo@gmail.com>,
kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>,
"Michael Mueller" <mimu@linux.vnet.ibm.com>,
"Christian Borntraeger" <borntraeger@de.ibm.com>,
"Jason J. Herne" <jjherne@linux.vnet.ibm.com>,
"Andreas Färber" <afaerber@suse.de>
Subject: Re: [RFC 0/2] GET_EMULATED_CPUID support with "allow-emulation" option
Date: Thu, 05 Jun 2014 18:24:22 +0200 [thread overview]
Message-ID: <539099B6.2090000@suse.de> (raw)
In-Reply-To: <1401984741-26882-1-git-send-email-ehabkost@redhat.com>
On 05.06.14 18:12, Eduardo Habkost wrote:
> This implements GET_SUPPORTED_CPUID support using an explicit option for it:
> "allow-emulation". We don't want any emulated feature to be enabled by accident,
> so they will be enabled only if the user explicitly wants to allow them.
So is this an all-or-nothing approach? I would really prefer to override
individual bits.
Also, I don't think the line "emulated" is the right one to draw. We
"emulate" SVM or VMX too, but still enable them by default as soon as we
think they're ready enough.
So could we add a new flag specifier instead? Today we have -flag and
+flag. How about *flag to "force enable if the kernel can handle it, but
doesn't do so by default"?
Alex
next prev parent reply other threads:[~2014-06-05 16:24 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-05 16:12 [RFC 0/2] GET_EMULATED_CPUID support with "allow-emulation" option Eduardo Habkost
2014-06-05 16:24 ` Alexander Graf [this message]
2014-06-05 16:26 ` Paolo Bonzini
2014-06-05 16:40 ` Alexander Graf
2014-06-05 16:44 ` Paolo Bonzini
2014-06-05 16:45 ` Alexander Graf
2014-06-05 16:52 ` Paolo Bonzini
2014-06-05 16:54 ` Alexander Graf
2014-06-05 16:57 ` Paolo Bonzini
2014-06-05 17:19 ` Eduardo Habkost
2014-06-05 17:39 ` Paolo Bonzini
2014-06-05 18:02 ` Eduardo Habkost
2014-06-05 19:12 ` Eduardo Habkost
2014-06-05 19:24 ` [Qemu-devel] " Borislav Petkov
2014-06-05 19:45 ` Eric Blake
2014-06-05 19:52 ` Eduardo Habkost
2014-06-05 16:58 ` Alexander Graf
2014-06-05 17:48 ` Eduardo Habkost
2014-06-05 22:24 ` Alexander Graf
2014-06-06 1:21 ` Borislav Petkov
2014-06-06 2:37 ` Eduardo Habkost
2014-06-06 11:16 ` Alexander Graf
2014-06-06 18:38 ` Eduardo Habkost
2014-06-05 17:17 ` Eduardo Habkost
2014-06-05 17:38 ` Paolo Bonzini
2014-06-05 17:52 ` Eduardo Habkost
2014-06-05 17:34 ` Eduardo Habkost
2014-06-06 13:29 ` gleb
2014-06-05 18:11 ` [Qemu-devel] " Eduardo Habkost
[not found] ` <1401984741-26882-3-git-send-email-ehabkost@redhat.com>
2014-06-05 19:57 ` [RFC 2/2 v2] target-i386: Add "x-allow-emulation" X86CPU property Eduardo Habkost
2014-06-05 22:27 ` Alexander Graf
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