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From: Gerd Hoffmann <kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
	jeremy-TSDbQ3PG+2Y@public.gmane.org,
	Glauber de Oliveira Costa
	<gcosta-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH 2/3] kvmclock - the host part.
Date: Wed, 16 Jan 2008 09:54:58 +0100	[thread overview]
Message-ID: <478DC662.6010902@redhat.com> (raw)
In-Reply-To: <478DC2CF.4040803-atKUWr5tajBWk0Htik3J/w@public.gmane.org>

  Hi,

> We want to avoid updating wall clock all the time.  As far as I 
> understand, wall clock is just a base which doesn't change.

Yep, it is.  Got that wrong first in xenner, with the result that guest
time ran at double speed ;)

>> +/* xen binary-compatible interfaces. See xen headers for details */
>> +struct xen_vcpu_time_info {
>> +	uint32_t version;
>> +	uint32_t pad0;
>> +	uint64_t tsc_timestamp;
>> +	uint64_t system_time;
>> +	uint32_t tsc_to_system_mul;
>> +	int8_t   tsc_shift;
>> +	int8_t   pad1[3];
>> +};

>> +struct xen_vcpu_info {
>> +	uint8_t  pad[32];
>> +	struct xen_vcpu_time_info time;
>> +};
>>   
> 
> Please drop xen_vcpu_info...

Oh, yeah.  No point in assembling the whole xen shared info page.  Just
xen_vcpu_time_info is enougth, it will work just fine for xenner.

cheers,
  Gerd

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  parent reply	other threads:[~2008-01-16  8:54 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-15 15:10 [PATCH 0/3] kvm clock - with the patches this time Glauber de Oliveira Costa
     [not found] ` <1200409817411-git-send-email-gcosta-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-01-15 15:10   ` [PATCH 1/3] put kvm_para.h include outside __KERNEL__ Glauber de Oliveira Costa
     [not found]     ` <120040983179-git-send-email-gcosta-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-01-15 15:10       ` [PATCH 2/3] kvmclock - the host part Glauber de Oliveira Costa
     [not found]         ` <12004098373625-git-send-email-gcosta-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-01-15 15:10           ` [PATCH 3/3] [PATCH] kvmclock implementation, the guest part Glauber de Oliveira Costa
2008-01-16  8:39           ` [PATCH 2/3] kvmclock - the host part Avi Kivity
     [not found]             ` <478DC2CF.4040803-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-16  8:54               ` Gerd Hoffmann [this message]
     [not found]                 ` <478DC662.6010902-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-01-16  9:32                   ` Avi Kivity
2008-01-16  8:41       ` [PATCH 1/3] put kvm_para.h include outside __KERNEL__ Avi Kivity
  -- strict thread matches above, loose matches on Subject: below --
2007-11-08 22:39 [PATCH 0/3] Kvm clocksource, new spin Glauber de Oliveira Costa
2007-11-08 22:39 ` [PATCH 1/3] include files for kvmclock Glauber de Oliveira Costa
     [not found]   ` <11945615703593-git-send-email-gcosta-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2007-11-08 22:39     ` [PATCH 2/3] kvmclock - the host part Glauber de Oliveira Costa
     [not found]       ` <11945615751747-git-send-email-gcosta-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2007-11-11 10:17         ` Avi Kivity
     [not found]           ` <4736D6C0.8040408-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-11-13 11:28             ` Glauber de Oliveira Costa
     [not found]               ` <47398A68.8080009-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2007-11-13 14:44                 ` Avi Kivity
2007-11-13  5:00         ` Dong, Eddie
     [not found]           ` <10EA09EFD8728347A513008B6B0DA77A025DF8A2-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-11-13 11:54             ` Glauber de Oliveira Costa
     [not found]               ` <4739906B.2080103-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2007-11-13 12:08                 ` Izik Eidus
2007-11-13 14:47                 ` Avi Kivity
     [not found]                   ` <4739B916.4000405-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-11-13 15:23                     ` Dong, Eddie
     [not found]                       ` <10EA09EFD8728347A513008B6B0DA77A025DFB75-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-11-13 16:12                         ` Avi Kivity
     [not found]                           ` <4739CD03.90406-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-11-14  0:41                             ` Dong, Eddie

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