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Re: [Qemu-devel] [PATCH] target-i386: kvm: Don't enable MONITOR by defau
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From: |
Marcelo Tosatti |
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Subject: |
Re: [Qemu-devel] [PATCH] target-i386: kvm: Don't enable MONITOR by default on any CPU model |
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Date: |
Tue, 29 Apr 2014 22:11:08 -0300 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Tue, Apr 29, 2014 at 06:17:17PM -0300, Eduardo Habkost wrote:
> KVM never supported the MONITOR flag so it doesn't make sense to have it
> enabled by default when KVM is enabled.
>
> The rationale here is similar to the cases where it makes sense to have
> a feature enabled by default on all CPU models when on KVM mode (e.g.
> x2apic). In this case we are having a feature disabled by default for
> the same reasons.
>
> In this case we don't need machine-type compat code because it is
> currently impossible to run a KVM VM with the MONITOR flag set.
>
> Signed-off-by: Eduardo Habkost <address@hidden>
Why relying on the kernel filtering is not sufficient ?