Re: [Xen-devel] [PATCH] tools/firmware: use a canned config for seabios

2017-03-29 Thread Wei Liu
On Wed, Mar 29, 2017 at 11:28:15AM +0100, Paul Durrant wrote: > > -Original Message- > [snip] > > > > > This patch adds the canned configuration into tools/firmware and > > modifies > > > > > the Makefile rule to copy it into place. > > > > > > > > > > > > > I think at some point someone (y

Re: [Xen-devel] [PATCH] tools/firmware: use a canned config for seabios

2017-03-29 Thread Paul Durrant
> -Original Message- [snip] > > > > This patch adds the canned configuration into tools/firmware and > modifies > > > > the Makefile rule to copy it into place. > > > > > > > > > > I think at some point someone (you?) tried to change the default > > > upstream, what was the outcome? > > > >

Re: [Xen-devel] [PATCH] tools/firmware: use a canned config for seabios

2017-03-27 Thread Wei Liu
On Fri, Mar 24, 2017 at 11:54:45AM +, Paul Durrant wrote: > > -Original Message- > > From: Wei Liu [mailto:wei.l...@citrix.com] > > Sent: 24 March 2017 11:47 > > To: Paul Durrant > > Cc: xen-de...@lists.xenproject.org; Ian Jackson ; > > Wei Liu > > Subject: Re: [PATCH] tools/firmware:

Re: [Xen-devel] [PATCH] tools/firmware: use a canned config for seabios

2017-03-24 Thread Paul Durrant
> -Original Message- > From: Wei Liu [mailto:wei.l...@citrix.com] > Sent: 24 March 2017 11:47 > To: Paul Durrant > Cc: xen-de...@lists.xenproject.org; Ian Jackson ; > Wei Liu > Subject: Re: [PATCH] tools/firmware: use a canned config for seabios > > On Thu, Mar 23, 2017 at 05:03:09PM +00

Re: [Xen-devel] [PATCH] tools/firmware: use a canned config for seabios

2017-03-24 Thread Wei Liu
On Thu, Mar 23, 2017 at 05:03:09PM +, Paul Durrant wrote: > The use of seabios defconfig kills boot performance of Windows guests > because the default is for the int13 handler to use PIO when accessing > the emulated IDE device. > > By instead using a canned configuration with the ATA setting

[Xen-devel] [PATCH] tools/firmware: use a canned config for seabios

2017-03-23 Thread Paul Durrant
The use of seabios defconfig kills boot performance of Windows guests because the default is for the int13 handler to use PIO when accessing the emulated IDE device. By instead using a canned configuration with the ATA settings overridden to enable DMA access (and also wider PIO) boot performance