Re: [Qemu-devel] [PATCH v7 3/4] piix_pci: optimize set irq path

2011-05-22 Thread TeLeMan
I did a patch for it. http://lists.gnu.org/archive/html/qemu-devel/2011-05/msg01239.html On Sun, May 22, 2011 at 20:24, Stefan Weil wrote: > > Hi, > > I got a regression report which was obviously caused by this commit: > > $ git bisect bad > ab431c283e7055bcd6fb622f212bb29e84a6a134 is the first

Re: [Qemu-devel] [PATCH v7 3/4] piix_pci: optimize set irq path

2011-05-22 Thread Stefan Weil
Am 01.04.2011 13:43, schrieb Isaku Yamahata: optimize irq routing in piix_pic.c which has been a TODO. So far piix3 tracks each pirq level and checks whether a given pic pins is asserted by seeing if each pirq is mapped into the pic pin. This is independent on irq routing, but data path is on slo

[Qemu-devel] [PATCH v7 3/4] piix_pci: optimize set irq path

2011-04-01 Thread Isaku Yamahata
optimize irq routing in piix_pic.c which has been a TODO. So far piix3 tracks each pirq level and checks whether a given pic pins is asserted by seeing if each pirq is mapped into the pic pin. This is independent on irq routing, but data path is on slow path. Given that irq routing is rarely chang