Re: [Qemu-devel] HPET configuration in Seabios

2011-08-29 Thread Jan Kiszka
On 2011-08-29 13:05, Jan Kiszka wrote: > On 2011-08-29 13:00, Avi Kivity wrote: >> On 08/29/2011 01:25 PM, Jan Kiszka wrote: Can't seabios just poke at the hpet itself and see if it exists or not? >>> >>> Would be hard for the BIOS to guess the locations of the blocks unless >>> we

Re: [Qemu-devel] HPET configuration in Seabios

2011-08-29 Thread Avi Kivity
On 08/29/2011 02:05 PM, Jan Kiszka wrote: On 2011-08-29 13:00, Avi Kivity wrote: > On 08/29/2011 01:25 PM, Jan Kiszka wrote: >>> >>> Can't seabios just poke at the hpet itself and see if it exists or not? >>> >> >> Would be hard for the BIOS to guess the locations of the blocks unless >> we

Re: [Qemu-devel] HPET configuration in Seabios

2011-08-29 Thread Jan Kiszka
On 2011-08-29 13:00, Avi Kivity wrote: > On 08/29/2011 01:25 PM, Jan Kiszka wrote: >>> >>> Can't seabios just poke at the hpet itself and see if it exists or not? >>> >> >> Would be hard for the BIOS to guess the locations of the blocks unless >> we define the addresses used by QEMU as something l

Re: [Qemu-devel] HPET configuration in Seabios

2011-08-29 Thread Avi Kivity
On 08/29/2011 01:25 PM, Jan Kiszka wrote: > > Can't seabios just poke at the hpet itself and see if it exists or not? > Would be hard for the BIOS to guess the locations of the blocks unless we define the addresses used by QEMU as something like base + hpet_no * block_size in all cases. Curr

Re: [Qemu-devel] HPET configuration in Seabios

2011-08-29 Thread Jan Kiszka
On 2011-08-29 07:32, Avi Kivity wrote: > On 08/29/2011 01:14 AM, Kevin O'Connor wrote: >> On Sun, Aug 28, 2011 at 10:42:49PM +0200, Jan Kiszka wrote: >> > On 2011-08-28 20:54, Alexander Graf wrote: >> > > >> > > On 28.08.2011, at 02:42, Avi Kivity wrote: >> > > >> > >> On 08/26/2011 08:32 AM

Re: [Qemu-devel] HPET configuration in Seabios

2011-08-28 Thread Avi Kivity
On 08/29/2011 01:14 AM, Kevin O'Connor wrote: On Sun, Aug 28, 2011 at 10:42:49PM +0200, Jan Kiszka wrote: > On 2011-08-28 20:54, Alexander Graf wrote: > > > > On 28.08.2011, at 02:42, Avi Kivity wrote: > > > >> On 08/26/2011 08:32 AM, ya su wrote: > >>> hi,Avi: > >>> > >>> I met t

Re: [Qemu-devel] HPET configuration in Seabios (was: Re: windows workload: many ept_violation and mmio exits)

2011-08-28 Thread Kevin O'Connor
On Sun, Aug 28, 2011 at 10:42:49PM +0200, Jan Kiszka wrote: > On 2011-08-28 20:54, Alexander Graf wrote: > > > > On 28.08.2011, at 02:42, Avi Kivity wrote: > > > >> On 08/26/2011 08:32 AM, ya su wrote: > >>> hi,Avi: > >>> > >>> I met the same problem, tons of hpet vm_exits(vector 209, fault >

[Qemu-devel] HPET configuration in Seabios (was: Re: windows workload: many ept_violation and mmio exits)

2011-08-28 Thread Jan Kiszka
On 2011-08-28 20:54, Alexander Graf wrote: > > On 28.08.2011, at 02:42, Avi Kivity wrote: > >> On 08/26/2011 08:32 AM, ya su wrote: >>> hi,Avi: >>> >>> I met the same problem, tons of hpet vm_exits(vector 209, fault >>> address is in the guest vm's hpet mmio range), even I disable hpet >>> de