Re: [Qemu-devel] MMIO coalescing of the i82378 bridge

2012-06-23 Thread Jan Kiszka
On 2012-06-23 14:46, Andreas Färber wrote: > Hi Jan, > > Am 23.06.2012 11:28, schrieb Jan Kiszka: >> just stumbled over the memory_region_set_coalescing in pci_i82378_init: >> What ISA devices are affected by this? It looks a bit strange to me as >> the MMIO requests are apparently mapped on PIO r

Re: [Qemu-devel] MMIO coalescing of the i82378 bridge

2012-06-23 Thread Andreas Färber
Hi Jan, Am 23.06.2012 11:28, schrieb Jan Kiszka: > just stumbled over the memory_region_set_coalescing in pci_i82378_init: > What ISA devices are affected by this? It looks a bit strange to me as > the MMIO requests are apparently mapped on PIO requests, and we don't > have PIO coalescing on x86.

[Qemu-devel] MMIO coalescing of the i82378 bridge

2012-06-23 Thread Jan Kiszka
Hi all, just stumbled over the memory_region_set_coalescing in pci_i82378_init: What ISA devices are affected by this? It looks a bit strange to me as the MMIO requests are apparently mapped on PIO requests, and we don't have PIO coalescing on x86. Depending on the target device on PREP, this may