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Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest

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From: Christian Borntraeger <borntraeger@...>
To: Avi Kivity <avi@...>
Cc: Laurent Vivier <Laurent.Vivier@...>, Ingo Molnar <mingo@...>, linux-kernel <linux-kernel@...>
Subject: Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest
Date: Monday, October 15, 2007 - 7:33 am

Am Montag, 15. Oktober 2007 schrieb Avi Kivity:

Ah, I see. The host interrupt  behaves different and instead of running the
interrupt handler, it exits the vmrun on x86? The interrupt handler will be
called some cycles after the sti?
That is different to s390. We can run the guest code for a long time and the
host instruction pointer stays on the sie instruction. That means, we can 
interrupt sie and continue by simply setting the instrution pointer (PSW) 
back to the sie instruction.

Any idea how to make this proper on all architectures? I will have a look.

Christian
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Messages in current thread:
[RESEND 2][PATCH 4/4] Modify KVM to update guest time accoun..., Laurent Vivier, (Mon Sep 10, 10:13 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Ingo Molnar, (Mon Oct 15, 5:38 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Avi Kivity, (Mon Oct 15, 5:47 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Ingo Molnar, (Mon Oct 15, 5:51 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Avi Kivity, (Mon Oct 15, 6:02 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Laurent Vivier, (Mon Oct 15, 6:53 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest , Christian Borntraeger, (Mon Oct 15, 7:19 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Avi Kivity, (Mon Oct 15, 7:15 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Laurent Vivier, (Mon Oct 15, 7:37 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Avi Kivity, (Mon Oct 15, 8:07 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Laurent Vivier, (Mon Oct 15, 8:29 am)
[PATCH] move kvm_guest_exit() after local_irq_enable(), Laurent Vivier, (Thu Oct 18, 9:19 am)
Re: [PATCH] move kvm_guest_exit() after local_irq_enable(), Ingo Molnar, (Mon Oct 22, 4:26 am)
Re: [PATCH] move kvm_guest_exit() after local_irq_enable(), Avi Kivity, (Mon Oct 22, 4:51 am)
Re: [PATCH] move kvm_guest_exit() after local_irq_enable(), Ingo Molnar, (Mon Oct 22, 4:57 am)
Re: [kvm-devel] [PATCH] move kvm_guest_exit() after local_ir..., Avi Kivity, (Mon Oct 22, 5:10 am)
Re: [kvm-devel] [PATCH] move kvm_guest_exit() after local_ir..., Avi Kivity, (Thu Oct 18, 9:32 am)
Re: [kvm-devel] [PATCH] move kvm_guest_exit() after local_ir..., Laurent Vivier, (Thu Oct 18, 9:49 am)
[PATCH] clear PF_VCPU in kvm_guest_exit(), Laurent Vivier, (Wed Oct 17, 9:08 am)
Use virtual cpu accounting if available for guest times., Christian Borntraeger, (Thu Oct 18, 8:39 am)
Re: [kvm-devel] Use virtual cpu accounting if available for ..., Hollis Blanchard, (Fri Oct 19, 12:57 pm)
Re: [kvm-devel] Use virtual cpu accounting if available for ..., Hollis Blanchard, (Fri Oct 19, 1:18 pm)
Re: Use virtual cpu accounting if available for guest times., Avi Kivity, (Thu Oct 18, 8:41 am)
Re: [PATCH] clear PF_VCPU in kvm_guest_exit(), Avi Kivity, (Wed Oct 17, 10:16 am)
Re: [PATCH] clear PF_VCPU in kvm_guest_exit(), Laurent Vivier, (Wed Oct 17, 11:09 am)
Re: [PATCH] clear PF_VCPU in kvm_guest_exit(), Christian Borntraeger, (Wed Oct 17, 9:18 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Avi Kivity, (Mon Oct 15, 12:46 pm)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Laurent Vivier, (Mon Oct 15, 3:45 pm)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest , Christian Borntraeger, (Mon Oct 15, 7:33 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Laurent Vivier, (Mon Oct 15, 7:38 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Christian Borntraeger, (Mon Oct 15, 10:39 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Laurent Vivier, (Mon Oct 15, 10:45 am)
Re: [RESEND 2][PATCH 4/4] Modify KVM to update guest time ac..., Ingo Molnar, (Mon Oct 15, 5:50 am)