Re: [PATCH v2] xen/events: Always allocate legacy interrupts on PV guests

2015-11-20 Thread Boris Ostrovsky
On 11/20/2015 11:33 AM, Stefano Stabellini wrote: BTW, I got this build error: STUBCPY drivers/firmware/efi/libstub/lib-sort.stub.o R_AARCH64_ABS64 __efistub_sort 0008 R_AARCH64_ABS64 .init__ksymtab_strings drivers/firmware/efi/libstub/lib-sort.stub.o: abso

Re: [PATCH v2] xen/events: Always allocate legacy interrupts on PV guests

2015-11-20 Thread Stefano Stabellini
On Fri, 20 Nov 2015, Boris Ostrovsky wrote: > On 11/20/2015 10:36 AM, Stefano Stabellini wrote: > > On Fri, 20 Nov 2015, Boris Ostrovsky wrote: > > > On 11/20/2015 06:24 AM, Stefano Stabellini wrote: > > > > On Wed, 18 Nov 2015, Boris Ostrovsky wrote: > > > > > After commit 8c058b0b9c34 ("x86/irq:

Re: [PATCH v2] xen/events: Always allocate legacy interrupts on PV guests

2015-11-20 Thread Boris Ostrovsky
On 11/20/2015 10:36 AM, Stefano Stabellini wrote: On Fri, 20 Nov 2015, Boris Ostrovsky wrote: On 11/20/2015 06:24 AM, Stefano Stabellini wrote: On Wed, 18 Nov 2015, Boris Ostrovsky wrote: After commit 8c058b0b9c34 ("x86/irq: Probe for PIC presence before allocating descs for legacy IRQs") earl

Re: [PATCH v2] xen/events: Always allocate legacy interrupts on PV guests

2015-11-20 Thread Stefano Stabellini
On Fri, 20 Nov 2015, Boris Ostrovsky wrote: > On 11/20/2015 06:24 AM, Stefano Stabellini wrote: > > On Wed, 18 Nov 2015, Boris Ostrovsky wrote: > > > After commit 8c058b0b9c34 ("x86/irq: Probe for PIC presence before > > > allocating descs for legacy IRQs") early_irq_init() will no longer > > > pre

Re: [PATCH v2] xen/events: Always allocate legacy interrupts on PV guests

2015-11-20 Thread Boris Ostrovsky
On 11/20/2015 06:24 AM, Stefano Stabellini wrote: On Wed, 18 Nov 2015, 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,

Re: [PATCH v2] xen/events: Always allocate legacy interrupts on PV guests

2015-11-20 Thread Stefano Stabellini
On Wed, 18 Nov 2015, 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. > > Th

Re: [PATCH v2] xen/events: Always allocate legacy interrupts on PV guests

2015-11-19 Thread Juergen Gross
On 18/11/15 19:14, 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. > > Ther