Re: [Xen-devel] [PATCH v2] [Bugfix] x86/apic: Fix xen IRQ allocation failure caused by commit b81975eade8c

2015-01-13 Thread Jiang Liu
On 2015/1/13 18:09, David Vrabel wrote: > On 13/01/15 02:23, Jiang Liu wrote: >> On 2015/1/12 23:01, David Vrabel wrote: >>> On 12/01/15 13:39, Jiang Liu wrote: Commit b81975eade8c ("x86, irq: Clean up irqdomain transition code") breaks xen IRQ allocation because xen_smp_prepare_cpus() do

Re: [Xen-devel] [PATCH v2] [Bugfix] x86/apic: Fix xen IRQ allocation failure caused by commit b81975eade8c

2015-01-13 Thread David Vrabel
On 13/01/15 02:23, Jiang Liu wrote: > On 2015/1/12 23:01, David Vrabel wrote: >> On 12/01/15 13:39, Jiang Liu wrote: >>> Commit b81975eade8c ("x86, irq: Clean up irqdomain transition code") >>> breaks xen IRQ allocation because xen_smp_prepare_cpus() doesn't invoke >>> setup_IO_APIC(), so no irqdom

Re: [Xen-devel] [PATCH v2] [Bugfix] x86/apic: Fix xen IRQ allocation failure caused by commit b81975eade8c

2015-01-13 Thread Thomas Gleixner
On Tue, 13 Jan 2015, Sander Eikelenboom wrote: > > Monday, January 12, 2015, 4:01:00 PM, you wrote: > > > On 12/01/15 13:39, Jiang Liu wrote: > >> Commit b81975eade8c ("x86, irq: Clean up irqdomain transition code") > >> breaks xen IRQ allocation because xen_smp_prepare_cpus() doesn't invoke > >

Re: [Xen-devel] [PATCH v2] [Bugfix] x86/apic: Fix xen IRQ allocation failure caused by commit b81975eade8c

2015-01-12 Thread Jiang Liu
On 2015/1/12 23:01, David Vrabel wrote: > On 12/01/15 13:39, Jiang Liu wrote: >> Commit b81975eade8c ("x86, irq: Clean up irqdomain transition code") >> breaks xen IRQ allocation because xen_smp_prepare_cpus() doesn't invoke >> setup_IO_APIC(), so no irqdomains created for IOAPICs and >> mp_map_pin

Re: [Xen-devel] [PATCH v2] [Bugfix] x86/apic: Fix xen IRQ allocation failure caused by commit b81975eade8c

2015-01-12 Thread Sander Eikelenboom
Monday, January 12, 2015, 4:01:00 PM, you wrote: > On 12/01/15 13:39, Jiang Liu wrote: >> Commit b81975eade8c ("x86, irq: Clean up irqdomain transition code") >> breaks xen IRQ allocation because xen_smp_prepare_cpus() doesn't invoke >> setup_IO_APIC(), so no irqdomains created for IOAPICs and >>

Re: [Xen-devel] [PATCH v2] [Bugfix] x86/apic: Fix xen IRQ allocation failure caused by commit b81975eade8c

2015-01-12 Thread David Vrabel
On 12/01/15 13:39, Jiang Liu wrote: > Commit b81975eade8c ("x86, irq: Clean up irqdomain transition code") > breaks xen IRQ allocation because xen_smp_prepare_cpus() doesn't invoke > setup_IO_APIC(), so no irqdomains created for IOAPICs and > mp_map_pin_to_irq() fails at the very beginning. > > En