RE: [Xen-ia64-devel][PATCH] optimization for windows

>From: Alex Williamson [mailto:[EMAIL PROTECTED] >Sent: 2007年4月27日 21:08 >To: Xu, Anthony >Cc: Jürgen Groß; xen-ia64-devel@lists.xensource.com >Subject: RE: [Xen-ia64-devel][PATCH] optimization for windows > >On Fri, 2007-04-27 at 17:36 +0800, Xu, Anthony wrote: >> >Wouldn't it be better to have so

Re: [Xen-ia64-devel] [RFC] paravirtualize stock swiotlb

On Fri, 2007-04-27 at 18:13 -0600, Alex Williamson wrote: > We need to get to a CONFIG_IA64_GENERIC kernel working, and the first > step to doing that seems to be fixing our usage of the i386 swiotlb and > pci-dma-xen. The patch below paravirtualizes lib/swiotlb.c and rips out > a lot of the code

[Xen-ia64-devel] [RFC] paravirtualize stock swiotlb

We need to get to a CONFIG_IA64_GENERIC kernel working, and the first step to doing that seems to be fixing our usage of the i386 swiotlb and pci-dma-xen. The patch below paravirtualizes lib/swiotlb.c and rips out a lot of the code we had around for supporting the i386 versions. It should be a

RE: [Xen-ia64-devel][PATCH] optimization for windows

>-Original Message- >From: [EMAIL PROTECTED] [mailto:xen-ia64-devel- >[EMAIL PROTECTED] On Behalf Of Alex Williamson >Subject: RE: [Xen-ia64-devel][PATCH] optimization for windows > >On Fri, 2007-04-27 at 17:36 +0800, Xu, Anthony wrote: >> >Wouldn't it be better to have some generic featu

RE: [Xen-ia64-devel][PATCH] optimization for windows

>-Original Message- >From: [EMAIL PROTECTED] [mailto:xen-ia64-devel- >[EMAIL PROTECTED] On Behalf Of Jürgen Groß >Xu, Anthony wrote: >> This is optimization for windows 2003. >> >> Windows use region 4 and region 5 for identity mapping. >> >> I see ~3% improvement when running specjbb2005

Re: [Xen-ia64-devel][PATCH] optimization for windows

Alex Williamson wrote: > On Fri, 2007-04-27 at 17:36 +0800, Xu, Anthony wrote: >>> Wouldn't it be better to have some generic features like "region x identity >>> mapping with attributes y" which can be set via DomU configuration file? >> It is not convenient for user. >> And user can't know this i

RE: [Xen-ia64-devel][PATCH] optimization for windows

On Fri, 2007-04-27 at 17:36 +0800, Xu, Anthony wrote: > >Wouldn't it be better to have some generic features like "region x identity > >mapping with attributes y" which can be set via DomU configuration file? > It is not convenient for user. > And user can't know this information, if we provide thi

RE: [Xen-ia64-devel][PATCH] optimization for windows

Thanks for your comments. >From: Jürgen Groß [mailto:[EMAIL PROTECTED] >Sent: 2007年4月27日 17:28 >To: Xu, Anthony >Cc: xen-ia64-devel@lists.xensource.com >Subject: Re: [Xen-ia64-devel][PATCH] optimization for windows > >Xu, Anthony wrote: >> This is optimization for windows 2003. >> >> Windows use r

Re: [Xen-ia64-devel][PATCH] optimization for windows

Xu, Anthony wrote: > This is optimization for windows 2003. > > Windows use region 4 and region 5 for identity mapping. > > I see ~3% improvement when running specjbb2005 on guest windows after > applying this patch. > Did I understand this correct? If Region 7 preferred page size is 8kB, Regio

[Xen-ia64-devel][PATCH] optimization for windows

This is optimization for windows 2003. Windows use region 4 and region 5 for identity mapping. I see ~3% improvement when running specjbb2005 on guest windows after applying this patch. Signed-off-by, Anthony Xu < [EMAIL PROTECTED] > winopt04271659.patch Description: winopt04271659.p

RE: [Xen-ia64-devel] [PATCH] Always insert entry to VHPT's head, or double TLB miss occurs.

Hi Alex, Please drop the previous one. Don't need to disable IRQ during possible collision chain recycle, because it may need long time. Xiantao > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Zhang, Xiantao > Sent: 2007年4月26日 18:00 > To: