From: Avi Kivity <avi@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: mtosatti@redhat.com, kvm@vger.kernel.org
Subject: Re: [PATCH 1/2] KVM: x86 emulator: don't update vcpu state if instruction is restarted.
Date: Sun, 01 Aug 2010 15:17:10 +0300 [thread overview]
Message-ID: <4C5565C6.1090004@redhat.com> (raw)
In-Reply-To: <20100801105337.GF24773@redhat.com>
On 08/01/2010 01:53 PM, Gleb Natapov wrote:
>
>> That requires everyone to update, or suffer major breakage.
>>
> They will suffer major breakage when they update to a kvm that calls to
> kvm-tpr-opt.c from emulator anyway.
Why?
>>> IIRC it was always this way in emulator. I'd rather fix userspace than
>>> break emulator.
>> It wasn't a problem because the emulator wasn't (and still isn't)
>> used for this. But it has the potential to break badly once we make
>> emulate_invalid_guest_state=1 the default.
>>
> So what can we do about it?
>
Keep the existing behaviour.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-08-01 12:17 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-29 12:11 [PATCH 0/2] Speedup ins instruction emulation a little Gleb Natapov
2010-07-29 12:11 ` [PATCH 1/2] KVM: x86 emulator: don't update vcpu state if instruction is restarted Gleb Natapov
2010-07-31 17:25 ` Avi Kivity
2010-08-01 8:28 ` Gleb Natapov
2010-08-01 8:54 ` Avi Kivity
2010-08-01 9:01 ` Gleb Natapov
2010-08-01 9:14 ` Avi Kivity
2010-08-01 9:24 ` Gleb Natapov
2010-08-01 10:00 ` Avi Kivity
2010-08-01 10:53 ` Gleb Natapov
2010-08-01 12:17 ` Avi Kivity [this message]
2010-08-01 12:23 ` Gleb Natapov
2010-08-01 12:35 ` Avi Kivity
2010-08-01 13:27 ` Gleb Natapov
2010-08-02 5:04 ` Avi Kivity
2010-08-02 7:58 ` Gleb Natapov
2010-08-02 8:03 ` Avi Kivity
2010-08-02 8:17 ` Gleb Natapov
2010-08-02 8:24 ` Avi Kivity
2010-08-02 8:34 ` Gleb Natapov
2010-08-02 8:54 ` Avi Kivity
2010-08-02 9:05 ` Gleb Natapov
2010-08-02 9:08 ` Avi Kivity
2010-07-29 12:11 ` [PATCH 2/2] KVM: x86 emulator: check io permissions only once for string pio Gleb Natapov
2010-07-31 1:59 ` Marcelo Tosatti
2010-07-29 12:19 ` [PATCH 0/2] Speedup ins instruction emulation a little Avi Kivity
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