Re: [Qemu-devel] [PATCH 16/16] hpet: Add MSI support

2010-06-11 Thread Paul Brook
> +} else if (timer_fsb_route(timer)) { > +apic_send_msi(timer->fsb >> 32, timer->fsb & 0x); This should use a regular memory write, like the PCI MSI-X code does. Paul

[Qemu-devel] [PATCH 16/16] hpet: Add MSI support

2010-06-06 Thread Jan Kiszka
From: Jan Kiszka This implements the HPET capability of routing IRQs to the front-side bus, aka MSI support. This feature can be enabled via the qdev property "msi" and is off by default. Note that switching it on can cause guests (at least Linux) to use the HPET as timer instead of the LAPIC. K