[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] x86/IO-APIC: fix setup of Xen internally used IRQs (take 2)
On 13/11/15 15:41, Jan Beulich wrote: > ..., i.e. namely that of a PCI serial card with an IRQ above the > legacy range. This had got broken by the switch to cpumask_any() in > cpu_mask_to_apicid_phys(). Fix this by allowing all CPUs for that IRQ > (via setup_vector_irq() properly updating a booting CPU's vector_irq[], > thus avoiding "No irq handler for vector" messages and the interrupt > not working). > > Cleanup coding style and types there at once. > > While doing this I also noticed that io_apic_set_pci_routing() can't > be quite right: It sets up the destination _before_ getting a vector > allocated (which on other than systems using the flat APIC mode > affects the possible destinations), and also didn't restrict affinity > to ->arch.cpu_mask (as established by assign_irq_vector()). > > Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> Appears to cover the issues identified from v1. Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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