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From: Gleb Natapov <gleb@redhat.com>
To: Glauber Costa <glommer@gmail.com>
Cc: qemu-devel@nongnu.org, Glauber Costa <glommer@redhat.com>,
	Avi Kivity <avi@redhat.com>,
	aliguori@us.ibm.com
Subject: Re: [Qemu-devel] [PATCH 5/7] tell kernel about all registers instead of just mp_state
Date: Mon, 30 Nov 2009 14:04:44 +0200	[thread overview]
Message-ID: <20091130120444.GH30150@redhat.com> (raw)
In-Reply-To: <5d6222a80911300345w3df34c9bvad12344df484d935@mail.gmail.com>

On Mon, Nov 30, 2009 at 09:45:56AM -0200, Glauber Costa wrote:
> >> since
> >> +     * apic base was just updated
> >> +     */
> >> +    kvm_arch_put_registers(s->cpu_env);
> >>
> >>
> >
> > Better to use cpu_synchronize_state() instead.
> >
> I might be misreading it, but :
> 
> void kvm_cpu_synchronize_state(CPUState *env)
> {
>     if (!env->kvm_state->regs_modified) {
>         kvm_arch_get_registers(env);
>         env->kvm_state->regs_modified = 1;
>     }
> }
> 
> Only does get. And we need put.
> 
Put is on the entry into the kernel in vcpu_run.

--
			Gleb.

  reply	other threads:[~2009-11-30 12:04 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-26 17:24 [Qemu-devel] [PATCH 0/7] KVM SMP support, early version Glauber Costa
2009-11-26 17:24 ` [Qemu-devel] [PATCH 1/7] Don't mess with halted state Glauber Costa
2009-11-26 17:24   ` [Qemu-devel] [PATCH 2/7] store thread-specific env information Glauber Costa
2009-11-26 17:24     ` [Qemu-devel] [PATCH 3/7] update halted state on mp_state sync Glauber Costa
2009-11-26 17:24       ` [Qemu-devel] [PATCH 4/7] qemu_flush_work for remote vcpu execution Glauber Costa
2009-11-26 17:24         ` [Qemu-devel] [PATCH 5/7] tell kernel about all registers instead of just mp_state Glauber Costa
2009-11-26 17:24           ` [Qemu-devel] [PATCH 6/7] Don't call kvm cpu reset on initialization Glauber Costa
2009-11-26 17:25             ` [Qemu-devel] [PATCH 7/7] remove smp restriction from kvm Glauber Costa
2009-11-29 15:32           ` [Qemu-devel] [PATCH 5/7] tell kernel about all registers instead of just mp_state Avi Kivity
2009-11-30 11:45             ` Glauber Costa
2009-11-30 12:04               ` Gleb Natapov [this message]
2009-11-30 12:05               ` Avi Kivity
2009-11-30 13:31                 ` Glauber Costa
2009-11-30 13:32                   ` Avi Kivity
2009-11-29 15:32         ` [Qemu-devel] [PATCH 4/7] qemu_flush_work for remote vcpu execution Avi Kivity
2009-11-30 11:44           ` Glauber Costa
2009-11-30 12:06             ` Avi Kivity
2009-11-30 11:48         ` [Qemu-devel] " Paolo Bonzini
2009-11-29 15:29     ` [Qemu-devel] [PATCH 2/7] store thread-specific env information Avi Kivity
2009-11-29 15:38       ` Andreas Färber
2009-11-29 15:42         ` Avi Kivity
2009-11-29 16:00           ` Andreas Färber
2009-11-29 22:29           ` Jamie Lokier
2009-11-30 11:36         ` [Qemu-devel] " Paolo Bonzini
2009-11-30 11:41           ` Glauber Costa
2009-11-30 11:49             ` Paolo Bonzini
2009-11-30 12:07               ` Avi Kivity
2009-11-29 17:32 ` [Qemu-devel] Re: [PATCH 0/7] KVM SMP support, early version Jan Kiszka
2009-11-30 11:42   ` Glauber Costa
2009-11-30 15:55     ` Glauber Costa
2009-11-30 16:40       ` Avi Kivity
2009-11-30 16:47         ` Glauber Costa
2009-11-30 17:30           ` Jan Kiszka
2009-12-01 12:10             ` Avi Kivity
2009-12-01 12:17               ` Jan Kiszka
2009-12-01 12:20                 ` Glauber Costa
2009-12-01 12:33                   ` Jan Kiszka
2009-11-30 16:50         ` Avi Kivity
2009-12-01  0:31 ` [Qemu-devel] " Ed Swierk
2009-12-01  0:42   ` Ed Swierk
2009-12-01 12:20 ` Alexander Graf

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