Re: [Xen-devel] [RFC PATCH 9/9] xen: Add use_iommu flag to createdomain domctl

2017-04-27 Thread Oleksandr Tyshchenko
Hi, Ian On Wed, Apr 26, 2017 at 1:05 PM, Ian Jackson wrote: > Oleksandr Tyshchenko writes ("Re: [RFC PATCH 9/9] xen: Add use_iommu flag to > createdomain domctl"): >> On Tue, Apr 25, 2017 at 6:23 PM, Wei Liu wrote: >> > Let me explain where I'm coming from: >> > >> > 1. if not populating the io

Re: [Xen-devel] [RFC PATCH 9/9] xen: Add use_iommu flag to createdomain domctl

2017-04-26 Thread Ian Jackson
Oleksandr Tyshchenko writes ("Re: [RFC PATCH 9/9] xen: Add use_iommu flag to createdomain domctl"): > On Tue, Apr 25, 2017 at 6:23 PM, Wei Liu wrote: > > Let me explain where I'm coming from: > > > > 1. if not populating the iommu page table causes Xen to malfunction > >(crash?), it is a bug.

Re: [Xen-devel] [RFC PATCH 9/9] xen: Add use_iommu flag to createdomain domctl

2017-04-25 Thread Oleksandr Tyshchenko
Hi, Wei On Tue, Apr 25, 2017 at 6:23 PM, Wei Liu wrote: > On Wed, Apr 19, 2017 at 07:26:44PM +0100, Julien Grall wrote: >> Hi Oleksandr, >> >> Please CC the appropriate maintainers for all the components you modify. >> >> On 15/03/17 20:05, Oleksandr Tyshchenko wrote: >> > From: Oleksandr Tyshche

Re: [Xen-devel] [RFC PATCH 9/9] xen: Add use_iommu flag to createdomain domctl

2017-04-25 Thread Wei Liu
On Wed, Apr 19, 2017 at 07:26:44PM +0100, Julien Grall wrote: > Hi Oleksandr, > > Please CC the appropriate maintainers for all the components you modify. > > On 15/03/17 20:05, Oleksandr Tyshchenko wrote: > > From: Oleksandr Tyshchenko > > > > This flag is intended to let Xen know that the gue

Re: [Xen-devel] [RFC PATCH 9/9] xen: Add use_iommu flag to createdomain domctl

2017-04-21 Thread Oleksandr Tyshchenko
On Wed, Apr 19, 2017 at 9:26 PM, Julien Grall wrote: > Hi Oleksandr, Hi, Julien > > Please CC the appropriate maintainers for all the components you modify. Sorry, sure. > > > On 15/03/17 20:05, Oleksandr Tyshchenko wrote: >> >> From: Oleksandr Tyshchenko >> >> This flag is intended to let Xen

Re: [Xen-devel] [RFC PATCH 9/9] xen: Add use_iommu flag to createdomain domctl

2017-04-19 Thread Julien Grall
Hi Oleksandr, Please CC the appropriate maintainers for all the components you modify. On 15/03/17 20:05, Oleksandr Tyshchenko wrote: From: Oleksandr Tyshchenko This flag is intended to let Xen know that the guest has devices which will most likely be used for passthrough. The primary aim of

Re: [Xen-devel] [RFC PATCH 9/9] xen: Add use_iommu flag to createdomain domctl

2017-03-24 Thread Oleksandr Tyshchenko
On Fri, Mar 24, 2017 at 1:38 PM, Jan Beulich wrote: On 24.03.17 at 12:19, wrote: >> Hi Jan >> >> On Thu, Mar 23, 2017 at 7:05 PM, Jan Beulich wrote: >> On 23.03.17 at 17:36, wrote: On Wed, Mar 22, 2017 at 5:56 PM, Jan Beulich wrote: On 15.03.17 at 21:05, wrote: >> -

Re: [Xen-devel] [RFC PATCH 9/9] xen: Add use_iommu flag to createdomain domctl

2017-03-24 Thread Jan Beulich
>>> On 24.03.17 at 12:19, wrote: > Hi Jan > > On Thu, Mar 23, 2017 at 7:05 PM, Jan Beulich wrote: > On 23.03.17 at 17:36, wrote: >>> On Wed, Mar 22, 2017 at 5:56 PM, Jan Beulich wrote: >>> On 15.03.17 at 21:05, wrote: > --- a/xen/include/public/domctl.h > +++ b/xen/include/pub

Re: [Xen-devel] [RFC PATCH 9/9] xen: Add use_iommu flag to createdomain domctl

2017-03-24 Thread Oleksandr Tyshchenko
Hi Jan On Thu, Mar 23, 2017 at 7:05 PM, Jan Beulich wrote: On 23.03.17 at 17:36, wrote: >> On Wed, Mar 22, 2017 at 5:56 PM, Jan Beulich wrote: >> On 15.03.17 at 21:05, wrote: --- a/xen/include/public/domctl.h +++ b/xen/include/public/domctl.h @@ -66,6 +66,9 @@ struct xe

Re: [Xen-devel] [RFC PATCH 9/9] xen: Add use_iommu flag to createdomain domctl

2017-03-23 Thread Jan Beulich
>>> On 23.03.17 at 17:36, wrote: > On Wed, Mar 22, 2017 at 5:56 PM, Jan Beulich wrote: > On 15.03.17 at 21:05, wrote: >>> --- a/xen/include/public/domctl.h >>> +++ b/xen/include/public/domctl.h >>> @@ -66,6 +66,9 @@ struct xen_domctl_createdomain { >>> /* Is this a xenstore domain? */ >>>

Re: [Xen-devel] [RFC PATCH 9/9] xen: Add use_iommu flag to createdomain domctl

2017-03-23 Thread Oleksandr Tyshchenko
On Wed, Mar 22, 2017 at 5:56 PM, Jan Beulich wrote: On 15.03.17 at 21:05, wrote: >> --- a/xen/include/public/domctl.h >> +++ b/xen/include/public/domctl.h >> @@ -66,6 +66,9 @@ struct xen_domctl_createdomain { >> /* Is this a xenstore domain? */ >> #define _XEN_DOMCTL_CDF_xs_domain 5 >

Re: [Xen-devel] [RFC PATCH 9/9] xen: Add use_iommu flag to createdomain domctl

2017-03-22 Thread Jan Beulich
>>> On 15.03.17 at 21:05, wrote: > --- a/xen/include/public/domctl.h > +++ b/xen/include/public/domctl.h > @@ -66,6 +66,9 @@ struct xen_domctl_createdomain { > /* Is this a xenstore domain? */ > #define _XEN_DOMCTL_CDF_xs_domain 5 > #define XEN_DOMCTL_CDF_xs_domain (1U<<_XEN_DOMCTL_CD