On 6 February 2015 at 18:55, Will Deacon <will.deacon@xxxxxxx> wrote: > On Wed, Feb 04, 2015 at 03:39:50PM +0000, Andre Przywara wrote: >> In PCI config space there is an interrupt line field (offset 0x3f), >> which is used to initially communicate the IRQ line number from >> firmware to the OS. _Hardware_ should never use this information, >> as the OS is free to write any information in there. > > Is this true even with probe-only? I appreciate that this isn't a BAR, > but it still feels odd for Linux to write this in that case. The hardware (model) shouldn't be doing anything with the value in this register anyway, so I think this change to kvmtool is correct regardless of Linux's behaviour. -- PMM -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
