Re: [Qemu-devel] [PATCH] isapc: Shadow ISA BIOS by default

2012-10-12 Thread Kevin O'Connor
On Fri, Oct 12, 2012 at 11:29:47AM +0200, Jan Kiszka wrote: > On 2012-10-08 20:52, Anthony Liguori wrote: > > Jan Kiszka writes: > > > >> On 2012-09-11 17:53, Jan Kiszka wrote: > >>> Our one and only BIOS depends on a writable shadowed BIOS in the ISA > >>> range. As we have no interface to contr

Re: [Qemu-devel] [PATCH] isapc: Shadow ISA BIOS by default

2012-10-12 Thread Anthony Liguori
Jan Kiszka writes: > On 2012-10-12 15:41, Anthony Liguori wrote: >> Jan Kiszka writes: >> >>> On 2012-10-08 20:52, Anthony Liguori wrote: Jan Kiszka writes: > On 2012-09-11 17:53, Jan Kiszka wrote: >> Our one and only BIOS depends on a writable shadowed BIOS in the ISA >>

Re: [Qemu-devel] [PATCH] isapc: Shadow ISA BIOS by default

2012-10-12 Thread Jan Kiszka
On 2012-10-12 15:41, Anthony Liguori wrote: > Jan Kiszka writes: > >> On 2012-10-08 20:52, Anthony Liguori wrote: >>> Jan Kiszka writes: >>> On 2012-09-11 17:53, Jan Kiszka wrote: > Our one and only BIOS depends on a writable shadowed BIOS in the ISA > range. As we have no interface

Re: [Qemu-devel] [PATCH] isapc: Shadow ISA BIOS by default

2012-10-12 Thread Anthony Liguori
Jan Kiszka writes: > On 2012-10-08 20:52, Anthony Liguori wrote: >> Jan Kiszka writes: >> >>> On 2012-09-11 17:53, Jan Kiszka wrote: Our one and only BIOS depends on a writable shadowed BIOS in the ISA range. As we have no interface to control the write property, make that region

Re: [Qemu-devel] [PATCH] isapc: Shadow ISA BIOS by default

2012-10-12 Thread Jan Kiszka
On 2012-10-08 20:52, Anthony Liguori wrote: > Jan Kiszka writes: > >> On 2012-09-11 17:53, Jan Kiszka wrote: >>> Our one and only BIOS depends on a writable shadowed BIOS in the ISA >>> range. As we have no interface to control the write property, make that >>> region writable by default. >>> >>>

Re: [Qemu-devel] [PATCH] isapc: Shadow ISA BIOS by default

2012-10-08 Thread Anthony Liguori
Jan Kiszka writes: > On 2012-09-11 17:53, Jan Kiszka wrote: >> Our one and only BIOS depends on a writable shadowed BIOS in the ISA >> range. As we have no interface to control the write property, make that >> region writable by default. >> >> Signed-off-by: Jan Kiszka >> --- >> >> This unbrea

Re: [Qemu-devel] [PATCH] isapc: Shadow ISA BIOS by default

2012-10-08 Thread Jan Kiszka
On 2012-09-11 17:53, Jan Kiszka wrote: > Our one and only BIOS depends on a writable shadowed BIOS in the ISA > range. As we have no interface to control the write property, make that > region writable by default. > > Signed-off-by: Jan Kiszka > --- > > This unbreaks isapc for TCG, and keep it w

Re: [Qemu-devel] [PATCH] isapc: Shadow ISA BIOS by default

2012-09-12 Thread Jan Kiszka
[forgot to CC stable: this one apparently qualifies for older QEMU releases as well but would require some adaptions for < 1.1] On 2012-09-11 17:53, Jan Kiszka wrote: > Our one and only BIOS depends on a writable shadowed BIOS in the ISA > range. As we have no interface to control the write proper

Re: [Qemu-devel] [PATCH] isapc: Shadow ISA BIOS by default

2012-09-12 Thread Avi Kivity
On 09/12/2012 08:57 AM, Michael Tokarev wrote: >> >> This unbreaks isapc for TCG, and keep it working for KVM once it starts >> supporting read-only memslots. > > Can you clarify please, -- referring to the above? :) kvm only works due to a bug. Once the kvm bug is fixed, isapc will break, unle

Re: [Qemu-devel] [PATCH] isapc: Shadow ISA BIOS by default

2012-09-11 Thread Michael Tokarev
On 11.09.2012 19:53, Jan Kiszka wrote: > Our one and only BIOS depends on a writable shadowed BIOS in the ISA > range. As we have no interface to control the write property, make that > region writable by default. We've a long-standing bug -- http://bugs.debian.org/605525 https://bugs.launchpad.

[Qemu-devel] [PATCH] isapc: Shadow ISA BIOS by default

2012-09-11 Thread Jan Kiszka
Our one and only BIOS depends on a writable shadowed BIOS in the ISA range. As we have no interface to control the write property, make that region writable by default. Signed-off-by: Jan Kiszka --- This unbreaks isapc for TCG, and keep it working for KVM once it starts supporting read-only mems