Re: QEMU fw_cfg DMA interface

2015-08-06 Thread Marc Marí
On Thu, 6 Aug 2015 11:30:43 -0400 "Kevin O'Connor" wrote: > On Thu, Aug 06, 2015 at 02:37:45PM +0200, Marc Marí wrote: > > On Thu, 6 Aug 2015 13:27:16 +0100 > > Stefan Hajnoczi wrote: > > > > > On Thu, Aug 6, 2015 at 12:00 PM, Marc Marí > > > wrote: > > > > When running a Linux guest on top of

Re: QEMU fw_cfg DMA interface

2015-08-06 Thread Kevin O'Connor
On Thu, Aug 06, 2015 at 02:37:45PM +0200, Marc Marí wrote: > On Thu, 6 Aug 2015 13:27:16 +0100 > Stefan Hajnoczi wrote: > > > On Thu, Aug 6, 2015 at 12:00 PM, Marc Marí wrote: > > > When running a Linux guest on top of QEMU, using the -kernel > > > options, this is the timing improvement for x86

Re: QEMU fw_cfg DMA interface

2015-08-06 Thread Stefan Hajnoczi
On Thu, Aug 6, 2015 at 1:37 PM, Marc Marí wrote: > On Thu, 6 Aug 2015 13:27:16 +0100 > Stefan Hajnoczi wrote: > >> On Thu, Aug 6, 2015 at 12:00 PM, Marc Marí wrote: >> > When running a Linux guest on top of QEMU, using the -kernel >> > options, this is the timing improvement for x86: >> > >> > Q

Re: QEMU fw_cfg DMA interface

2015-08-06 Thread Marc Marí
On Thu, 6 Aug 2015 13:27:16 +0100 Stefan Hajnoczi wrote: > On Thu, Aug 6, 2015 at 12:00 PM, Marc Marí wrote: > > When running a Linux guest on top of QEMU, using the -kernel > > options, this is the timing improvement for x86: > > > > QEMU commit 2be4f242b50a8 and SeaBIOS commit 908a58c1d5ff > >

Re: QEMU fw_cfg DMA interface

2015-08-06 Thread Stefan Hajnoczi
On Thu, Aug 6, 2015 at 12:00 PM, Marc Marí wrote: > When running a Linux guest on top of QEMU, using the -kernel options, this > is the timing improvement for x86: > > QEMU commit 2be4f242b50a8 and SeaBIOS commit 908a58c1d5ff > QEMU startup time: .078 > BIOS startup time: .060 > Kernel setup time: