Re: [Qemu-devel] [PATCH 1/1] e820: pass high memory too.

2013-10-18 Thread Gerd Hoffmann
On Fr, 2013-10-18 at 15:31 +0200, Andrea Arcangeli wrote: > On Fri, Oct 18, 2013 at 10:55:12AM +0200, Gerd Hoffmann wrote: > > Hi, > > > > > > > The premise that "this will also allow to pass non-contiguous memory" > > > > > is partly false, as you can't use the e820 API below 4g so there's no >

Re: [Qemu-devel] [PATCH 1/1] e820: pass high memory too.

2013-10-18 Thread Andrea Arcangeli
On Fri, Oct 18, 2013 at 10:55:12AM +0200, Gerd Hoffmann wrote: > Hi, > > > > > The premise that "this will also allow to pass non-contiguous memory" > > > > is partly false, as you can't use the e820 API below 4g so there's no > > > > way to create non contiguous memory with this mix-cmos-e820-A

Re: [Qemu-devel] [PATCH 1/1] e820: pass high memory too.

2013-10-18 Thread Gerd Hoffmann
Hi, > > > The premise that "this will also allow to pass non-contiguous memory" > > > is partly false, as you can't use the e820 API below 4g so there's no > > > way to create non contiguous memory with this mix-cmos-e820-API. > > > > Sure you can. Why do you think you can't? > > How do you s

Re: [Qemu-devel] [PATCH 1/1] e820: pass high memory too.

2013-10-17 Thread Andrea Arcangeli
On Thu, Oct 17, 2013 at 04:30:27PM +0200, Gerd Hoffmann wrote: > On Do, 2013-10-17 at 15:00 +0200, Andrea Arcangeli wrote: > > Hi, > > > > On Thu, Oct 17, 2013 at 01:09:38PM +0200, Gerd Hoffmann wrote: > > > We have a fw_cfg entry to pass e820 entries from qemu to the firmware. > > > Today it's us

Re: [Qemu-devel] [PATCH 1/1] e820: pass high memory too.

2013-10-17 Thread Gerd Hoffmann
On Do, 2013-10-17 at 15:00 +0200, Andrea Arcangeli wrote: > Hi, > > On Thu, Oct 17, 2013 at 01:09:38PM +0200, Gerd Hoffmann wrote: > > We have a fw_cfg entry to pass e820 entries from qemu to the firmware. > > Today it's used to pass reservations only. This patch makes qemu pass > > entries for R

Re: [Qemu-devel] [PATCH 1/1] e820: pass high memory too.

2013-10-17 Thread Andrea Arcangeli
Hi, On Thu, Oct 17, 2013 at 01:09:38PM +0200, Gerd Hoffmann wrote: > We have a fw_cfg entry to pass e820 entries from qemu to the firmware. > Today it's used to pass reservations only. This patch makes qemu pass > entries for RAM too. > > This allows to pass RAM sizes larger than 1TB to the firm