WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/

Home

xen-devel

[Top] [All Lists]

Re: [Xen-devel] [PATCH] x86 hvm: freeze PIT/LAPIC timer emulation while

from [Kouya Shimura]

[Permanent Link][Original]

To:	Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Subject:	Re: [Xen-devel] [PATCH] x86 hvm: freeze PIT/LAPIC timer emulation while its IRQ is masked
From:	Kouya Shimura <kouya@xxxxxxxxxxxxxx>
Date:	Mon, 14 Sep 2009 14:58:09 +0900
Cc:	xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date:	Sun, 13 Sep 2009 22:58:38 -0700
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to:	<20090911120719.GC10234@xxxxxxxxxxxxxxxxxxx>
List-help:	<mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id:	Xen developer discussion <xen-devel.lists.xensource.com>
List-post:	<mailto:xen-devel@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References:	<7khbvb73lz.fsf@xxxxxxxxxxxxxxxxxxxxxxxxxx> <20090911120719.GC10234@xxxxxxxxxxxxxxxxxxx>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx

Konrad Rzeszutek Wilk writes:
> On Thu, Sep 10, 2009 at 02:47:22PM +0900, Kouya Shimura wrote:
> Content-Description: message body text
> > Hi,
> > 
> > I've found that modern windows OS never use the PIT timer,
> 
> What about older Linux versions? Like RHEL3?

older Linux uses the PIT timer. Although I don't know about RHEL3,
RHEL5 uses the PIT timer actually.

Any way, my patch doesn't give a benefit to Linux.  For example,
linux-2.6.28 (ubuntu 9.04) stops the PIT timer by itself.

Thanks,
Kouya

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

[More with this subject...]

<Prev in Thread]	Current Thread	[Next in Thread>
[Xen-devel] [PATCH 1/2] x86 hvm: don't set periodical timer again until its IRQ is delivered., (continued) [Xen-devel] [PATCH 1/2] x86 hvm: don't set periodical timer again until its IRQ is delivered., Kouya Shimura [Xen-devel] [PATCH 2/2] x86 hvm: suspend platform timer emulation while its IRQ is masked, Kouya Shimura Re: [Xen-devel] [PATCH] x86 hvm: freeze PIT/LAPIC timer emulation while its IRQ is masked, Keir Fraser RE: [Xen-devel] [PATCH] x86 hvm: freeze PIT/LAPIC timer emulation while its IRQ is masked, Cui, Dexuan Re: [Xen-devel] [PATCH] x86 hvm: freeze PIT/LAPIC timer emulation while its IRQ is masked, Keir Fraser RE: [Xen-devel] [PATCH] x86 hvm: freeze PIT/LAPIC timer emulation while its IRQ is masked, Cui, Dexuan Re: [Xen-devel] [PATCH] x86 hvm: freeze PIT/LAPIC timer emulation while its IRQ is masked, Keir Fraser RE: [Xen-devel] [PATCH] x86 hvm: freeze PIT/LAPIC timer emulation while its IRQ is masked, Kouya Shimura Re: [Xen-devel] [PATCH] x86 hvm: freeze PIT/LAPIC timer emulation while its IRQ is masked, Keir Fraser Re: [Xen-devel] [PATCH] x86 hvm: freeze PIT/LAPIC timer emulation while its IRQ is masked, Konrad Rzeszutek Wilk Re: [Xen-devel] [PATCH] x86 hvm: freeze PIT/LAPIC timer emulation while its IRQ is masked, Kouya Shimura <=

Previous by Date:	RE: [Xen-devel] pvusb performance, James Harper
Next by Date:	[Xen-devel] [PATCH] MSI-X & co-assign : BCM 5709 NICs cannot mapping to DomU., Yi, Shunli
Previous by Thread:	Re: [Xen-devel] [PATCH] x86 hvm: freeze PIT/LAPIC timer emulation while its IRQ is masked, Konrad Rzeszutek Wilk
Next by Thread:	Re: [Xen-devel] Attempt to load 2.6.31-rc8 under Xen 3.4.1 on top of Ubuntu 9.04 Server + Serial logs 4097, 4096 on F11, Boris Derzhavets
Indexes:	[Date] [Thread] [Top] [All Lists]

This site is hosted by Citrix