Re: [Xen-devel] [PATCH RFC 3/4] xen/pvhvm: Unmap all PIRQs on startup and shutdown

2014-07-29 Thread David Vrabel
On 29/07/14 18:06, Vitaly Kuznetsov wrote: > David Vrabel writes: > >> On 29/07/14 14:50, Vitaly Kuznetsov wrote: >>> David Vrabel writes: >>> On 15/07/14 14:40, Vitaly Kuznetsov wrote: > When kexec is being run PIRQs from Qemu-emulated devices are still > mapped to old event channe

Re: [Xen-devel] [PATCH RFC 3/4] xen/pvhvm: Unmap all PIRQs on startup and shutdown

2014-07-29 Thread Vitaly Kuznetsov
David Vrabel writes: > On 29/07/14 14:50, Vitaly Kuznetsov wrote: >> David Vrabel writes: >> >>> On 15/07/14 14:40, Vitaly Kuznetsov wrote: When kexec is being run PIRQs from Qemu-emulated devices are still mapped to old event channels and new kernel has no information about that

Re: [Xen-devel] [PATCH RFC 3/4] xen/pvhvm: Unmap all PIRQs on startup and shutdown

2014-07-29 Thread David Vrabel
On 29/07/14 14:50, Vitaly Kuznetsov wrote: > David Vrabel writes: > >> On 15/07/14 14:40, Vitaly Kuznetsov wrote: >>> When kexec is being run PIRQs from Qemu-emulated devices are still >>> mapped to old event channels and new kernel has no information about >>> that. Trying to map them twice resu

Re: [PATCH RFC 3/4] xen/pvhvm: Unmap all PIRQs on startup and shutdown

2014-07-29 Thread Vitaly Kuznetsov
David Vrabel writes: > On 15/07/14 14:40, Vitaly Kuznetsov wrote: >> When kexec is being run PIRQs from Qemu-emulated devices are still >> mapped to old event channels and new kernel has no information about >> that. Trying to map them twice results in the following in Xen's dmesg: >> >> (XEN)

Re: [PATCH RFC 3/4] xen/pvhvm: Unmap all PIRQs on startup and shutdown

2014-07-28 Thread David Vrabel
On 15/07/14 14:40, Vitaly Kuznetsov wrote: > When kexec is being run PIRQs from Qemu-emulated devices are still > mapped to old event channels and new kernel has no information about > that. Trying to map them twice results in the following in Xen's dmesg: > > (XEN) irq.c:2278: dom7: pirq 24 or e

Re: [PATCH RFC 3/4] xen/pvhvm: Unmap all PIRQs on startup and shutdown

2014-07-16 Thread Vitaly Kuznetsov
Konrad Rzeszutek Wilk writes: > On Wed, Jul 16, 2014 at 11:37:10AM +0200, Vitaly Kuznetsov wrote: >> Konrad Rzeszutek Wilk writes: >> >> > On Tue, Jul 15, 2014 at 03:40:39PM +0200, Vitaly Kuznetsov wrote: >> >> When kexec is being run PIRQs from Qemu-emulated devices are still >> >> mapped to o

Re: [PATCH RFC 3/4] xen/pvhvm: Unmap all PIRQs on startup and shutdown

2014-07-16 Thread Konrad Rzeszutek Wilk
On Wed, Jul 16, 2014 at 11:37:10AM +0200, Vitaly Kuznetsov wrote: > Konrad Rzeszutek Wilk writes: > > > On Tue, Jul 15, 2014 at 03:40:39PM +0200, Vitaly Kuznetsov wrote: > >> When kexec is being run PIRQs from Qemu-emulated devices are still > >> mapped to old event channels and new kernel has no

Re: [PATCH RFC 3/4] xen/pvhvm: Unmap all PIRQs on startup and shutdown

2014-07-16 Thread Vitaly Kuznetsov
Konrad Rzeszutek Wilk writes: > On Tue, Jul 15, 2014 at 03:40:39PM +0200, Vitaly Kuznetsov wrote: >> When kexec is being run PIRQs from Qemu-emulated devices are still >> mapped to old event channels and new kernel has no information about >> that. Trying to map them twice results in the followin

Re: [PATCH RFC 3/4] xen/pvhvm: Unmap all PIRQs on startup and shutdown

2014-07-15 Thread Konrad Rzeszutek Wilk
On Tue, Jul 15, 2014 at 03:40:39PM +0200, Vitaly Kuznetsov wrote: > When kexec is being run PIRQs from Qemu-emulated devices are still > mapped to old event channels and new kernel has no information about > that. Trying to map them twice results in the following in Xen's dmesg: > > (XEN) irq.c:2

[PATCH RFC 3/4] xen/pvhvm: Unmap all PIRQs on startup and shutdown

2014-07-15 Thread Vitaly Kuznetsov
When kexec is being run PIRQs from Qemu-emulated devices are still mapped to old event channels and new kernel has no information about that. Trying to map them twice results in the following in Xen's dmesg: (XEN) irq.c:2278: dom7: pirq 24 or emuirq 8 already mapped (XEN) irq.c:2278: dom7: pirq