Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support

2015-09-29 Thread Boris Ostrovsky
On 09/29/2015 07:39 AM, Vitaly Kuznetsov wrote: Boris Ostrovsky writes: On 09/25/2015 03:35 PM, Konrad Rzeszutek Wilk wrote: On Fri, Sep 25, 2015 at 03:19:57PM -0400, Boris Ostrovsky wrote: On 09/25/2015 03:01 PM, Konrad Rzeszutek Wilk wrote: On Fri, Sep 25, 2015 at 01:17:40PM -0400, Boris

Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support

2015-09-29 Thread Vitaly Kuznetsov
Boris Ostrovsky writes: > On 09/25/2015 03:35 PM, Konrad Rzeszutek Wilk wrote: >> On Fri, Sep 25, 2015 at 03:19:57PM -0400, Boris Ostrovsky wrote: >>> On 09/25/2015 03:01 PM, Konrad Rzeszutek Wilk wrote: On Fri, Sep 25, 2015 at 01:17:40PM -0400, Boris Ostrovsky wrote: > On 09/25/2015 12:

Re: [Xen-devel] [PATCH] xen/pvhvm: add soft reset on kexec/kdump support

2015-09-28 Thread David Vrabel
On 25/09/15 10:59, Vitaly Kuznetsov wrote: > Currently there is a number of issues preventing PVHVM Xen guests from > doing successful kexec/kdump: > - Bound event channels. > - Registered vcpu_info. > - PIRQ/emuirq mappings. > - shared_info frame after XENMAPSPACE_shared_info operation. > - Active

Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support

2015-09-25 Thread Boris Ostrovsky
On 09/25/2015 03:35 PM, Konrad Rzeszutek Wilk wrote: On Fri, Sep 25, 2015 at 03:19:57PM -0400, Boris Ostrovsky wrote: On 09/25/2015 03:01 PM, Konrad Rzeszutek Wilk wrote: On Fri, Sep 25, 2015 at 01:17:40PM -0400, Boris Ostrovsky wrote: On 09/25/2015 12:07 PM, Vitaly Kuznetsov wrote: Also, I a

Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support

2015-09-25 Thread Konrad Rzeszutek Wilk
On Fri, Sep 25, 2015 at 03:19:57PM -0400, Boris Ostrovsky wrote: > On 09/25/2015 03:01 PM, Konrad Rzeszutek Wilk wrote: > >On Fri, Sep 25, 2015 at 01:17:40PM -0400, Boris Ostrovsky wrote: > >>On 09/25/2015 12:07 PM, Vitaly Kuznetsov wrote: > Also, I am not sure I see how this new op will be use

Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support

2015-09-25 Thread Boris Ostrovsky
On 09/25/2015 03:01 PM, Konrad Rzeszutek Wilk wrote: On Fri, Sep 25, 2015 at 01:17:40PM -0400, Boris Ostrovsky wrote: On 09/25/2015 12:07 PM, Vitaly Kuznetsov wrote: Also, I am not sure I see how this new op will be used in the hypervisor --- currently AFAICS it is only processed under is_hardw

Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support

2015-09-25 Thread Konrad Rzeszutek Wilk
On Fri, Sep 25, 2015 at 01:17:40PM -0400, Boris Ostrovsky wrote: > On 09/25/2015 12:07 PM, Vitaly Kuznetsov wrote: > >>Also, I am not sure I see how this new op will be used in the > >>hypervisor --- currently AFAICS it is only processed under > >>is_hardware_domain(). Are there other patches that

Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support

2015-09-25 Thread Boris Ostrovsky
On 09/25/2015 12:07 PM, Vitaly Kuznetsov wrote: Also, I am not sure I see how this new op will be used in the hypervisor --- currently AFAICS it is only processed under is_hardware_domain(). Are there other patches that will support HVM guests? Please see my Xen series: http://lists.xenproject.o

Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support

2015-09-25 Thread Vitaly Kuznetsov
Boris Ostrovsky writes: > On 09/25/2015 09:59 AM, Konrad Rzeszutek Wilk wrote: >> On Fri, Sep 25, 2015 at 11:59:52AM +0200, Vitaly Kuznetsov wrote: >>> Currently there is a number of issues preventing PVHVM Xen guests from >>> doing successful kexec/kdump: >>> - Bound event channels. >>> - Regist

Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support

2015-09-25 Thread Boris Ostrovsky
On 09/25/2015 09:59 AM, Konrad Rzeszutek Wilk wrote: On Fri, Sep 25, 2015 at 11:59:52AM +0200, Vitaly Kuznetsov wrote: Currently there is a number of issues preventing PVHVM Xen guests from doing successful kexec/kdump: - Bound event channels. - Registered vcpu_info. - PIRQ/emuirq mappings. - sh

Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support

2015-09-25 Thread Konrad Rzeszutek Wilk
On Fri, Sep 25, 2015 at 11:59:52AM +0200, Vitaly Kuznetsov wrote: > Currently there is a number of issues preventing PVHVM Xen guests from > doing successful kexec/kdump: > - Bound event channels. > - Registered vcpu_info. > - PIRQ/emuirq mappings. > - shared_info frame after XENMAPSPACE_shared_inf

[PATCH] xen/pvhvm: add soft reset on kexec/kdump support

2015-09-25 Thread Vitaly Kuznetsov
Currently there is a number of issues preventing PVHVM Xen guests from doing successful kexec/kdump: - Bound event channels. - Registered vcpu_info. - PIRQ/emuirq mappings. - shared_info frame after XENMAPSPACE_shared_info operation. - Active grant mappings. Basically, newly booted kernel stumbles