On Wed, Feb 07, 2018 at 12:05:23PM +0100, Paolo Bonzini wrote: > On 06/02/2018 21:30, Roman Kagan wrote: > > From: Andrey Smetanin <asmeta...@virtuozzo.com> > > > > Guest OS uses ACPI to discover vmbus presence. Add a corresponding > > entry to DSDT in case vmbus has been enabled. > > > > Experimentally Windows guests were found to require this entry to > > include two IRQ resources, so this patch adds two semi-arbitrarily > > chosen ones (7 and 13). This results, in particular, in parallel port > > conflicting with vmbus. > > > > TODO: discover and use spare IRQs to avoid conflicts. > > Could they be level-triggered IRQs?
Dunno, I'll have to experiment. There appears to be no *use* for them, only their presence seems to matter. > If so you could reuse 10 and 11 > which are used by PCI INTx. Otherwise, the parallel port conflict is > not a huge deal. > > > Signed-off-by: Evgeny Yakovlev <eyakov...@virtuozzo.com> > > Somewhat messy SoB chain. :) Yes that happens when the patches circulate within the team before being posted outside. Will fix when submitting. Thanks, Roman.
