On Wed, 2018-03-14 at 18:47 +0100, Cédric Le Goater wrote: > We could also loop on the ESB 'P' bit to wait for the irqs to be handled, > using : > > xive_esb_read(irq, XIVE_ESB_GET) > > which has no side effect. It looks simpler to me. Is that possible ?
But you can race with something sending another one... I prefer the guarantee that after final masking, we check the queue contents on shutdown. That will be solid vs. other type of interrupts as well. Cheers, Ben.
