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
> -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?
> > >
>
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:
> -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
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
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