[Xen-devel] [PATCH] xen/events: Always allocate legacy interrupts on PV guests
david.vrabel at citrix.com
Thu Nov 26 10:22:27 PST 2015
On 20/11/15 16:25, Boris Ostrovsky wrote:
> After commit 8c058b0b9c34 ("x86/irq: Probe for PIC presence before
> allocating descs for legacy IRQs") early_irq_init() will no longer
> preallocate descriptors for legacy interrupts if PIC does not
> exist, which is the case for Xen PV guests.
> Therefore we may need to allocate those descriptors ourselves.
Applied to for-linus-4.4, thanks.
> --- a/arch/arm64/include/asm/irq.h
> +++ b/arch/arm64/include/asm/irq.h
> @@ -7,4 +7,10 @@ struct pt_regs;
> extern void set_handle_irq(void (*handle_irq)(struct pt_regs *));
> +#define NR_IRQS_LEGACY 0
I dropped this unnecessary #define.
More information about the linux-arm-kernel