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From: Paolo Bonzini <pbonzini@redhat.com>
To: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: bsd@redhat.com, qemu-devel@nongnu.org, ehabkost@redhat.com,
	rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH 1/2] target-i386: emulate CPUID level of real hardware
Date: Thu, 18 Jun 2015 17:42:41 +0200	[thread overview]
Message-ID: <5582E6F1.7080001@redhat.com> (raw)
In-Reply-To: <20150618154018.GA10217@potion.brq.redhat.com>



On 18/06/2015 17:40, Radim Krčmář wrote:
> > This unfortunately has to be done only for new machine types.  Old types
> > will remain buggy forever.
>
> Ah, ok, which machine type should I target, 2.4?

Yes.

> And is patch 2 is only supposed to work with new machine types?

I'm a bit undecided there, since it only triggers with explicitly
specified CPU flags and the old code would basically never work (it's a
known bug, triggered by libvirt's "host-model" code in some cases).

Paolo

  reply	other threads:[~2015-06-18 15:42 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-18 15:24 [Qemu-devel] [PATCH 0/2] target-i386: fix W10 bug and bring CPUID levels closer to reality Radim Krčmář
2015-06-18 15:24 ` [Qemu-devel] [PATCH 1/2] target-i386: emulate CPUID level of real hardware Radim Krčmář
2015-06-18 15:29   ` Paolo Bonzini
2015-06-18 15:40     ` Radim Krčmář
2015-06-18 15:42       ` Paolo Bonzini [this message]
2015-06-18 17:26     ` Bandan Das
2015-06-18 15:24 ` [Qemu-devel] [PATCH 2/2] target-i386: automatically raise cpuid level to 0xd Radim Krčmář
2015-06-18 15:50   ` Eduardo Habkost
2015-06-18 17:12     ` Bandan Das
2015-06-18 17:26       ` Eduardo Habkost
2015-06-19  9:47     ` Radim Krčmář
2015-06-19  9:54       ` Radim Krčmář
2015-06-19 11:28       ` Radim Krčmář

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