From: Avi Kivity <avi@qumranet.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm@vger.kernel.org
Subject: Re: [patch 2/2] KVM: x86: do not execute halted vcpus (v2)
Date: Wed, 13 Aug 2008 13:53:39 +0300 [thread overview]
Message-ID: <48A2BD33.8080307@qumranet.com> (raw)
In-Reply-To: <48A2BCAD.50005@qumranet.com>
Avi Kivity wrote:
> Marcelo Tosatti wrote:
>> Offline or uninitialized vcpu's can be executed if requested to perform
>> userspace work.
>> Follow Avi's suggestion to handle halted vcpu's in the main loop,
>> simplifying kvm_emulate_halt(). Introduce a new vcpu->requests bit to
>> indicate events that promote state from halted to running.
>>
>> Also standardize vcpu wake sites.
>>
>
> Apart from moving the entry checks to the exit, this looks fine (if
> scary... this code is sensitive).
>
btw, this is a step forward for big real mode. We can later split the
guest entry to have an emulation path if the guest state is not hardware
friendly.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2008-08-13 10:53 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-01 23:09 [patch 0/2] do not run halted vcpu's Marcelo Tosatti
2008-08-01 23:09 ` [patch 1/2] KVM: x86: set debug registers after "schedulable" section Marcelo Tosatti
2008-08-13 10:46 ` Avi Kivity
2008-08-01 23:09 ` [patch 2/2] KVM: x86: do not execute halted vcpus (v2) Marcelo Tosatti
2008-08-13 10:51 ` Avi Kivity
2008-08-13 10:53 ` Avi Kivity [this message]
2008-08-13 10:44 ` [patch 0/2] do not run halted vcpu's Avi Kivity
2008-08-15 0:19 ` Marcelo Tosatti
2008-08-17 6:31 ` Avi Kivity
2008-08-17 7:41 ` Avi Kivity
2008-08-19 23:07 ` Marcelo Tosatti
2008-08-20 4:04 ` Avi Kivity
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