Re: [Xen-devel] [PATCH v3 2/4] xen: add sysfs node for guest type

2017-06-14 Thread Juergen Gross
On 14/06/17 17:01, Boris Ostrovsky wrote: > On 06/14/2017 11:00 AM, Juergen Gross wrote: >> On 14/06/17 16:48, Boris Ostrovsky wrote: diff --git a/drivers/xen/sys-hypervisor.c b/drivers/xen/sys-hypervisor.c index 84106f9c456c..d641e9970d5d 100644 --- a/drivers/xen/sys-hypervisor.c

Re: [Xen-devel] [PATCH v3 2/4] xen: add sysfs node for guest type

2017-06-14 Thread Boris Ostrovsky
On 06/14/2017 11:00 AM, Juergen Gross wrote: > On 14/06/17 16:48, Boris Ostrovsky wrote: >>> diff --git a/drivers/xen/sys-hypervisor.c b/drivers/xen/sys-hypervisor.c >>> index 84106f9c456c..d641e9970d5d 100644 >>> --- a/drivers/xen/sys-hypervisor.c >>> +++ b/drivers/xen/sys-hypervisor.c >>> @@

Re: [Xen-devel] [PATCH v3 2/4] xen: add sysfs node for guest type

2017-06-14 Thread Juergen Gross
On 14/06/17 16:48, Boris Ostrovsky wrote: > >> diff --git a/drivers/xen/sys-hypervisor.c b/drivers/xen/sys-hypervisor.c >> index 84106f9c456c..d641e9970d5d 100644 >> --- a/drivers/xen/sys-hypervisor.c >> +++ b/drivers/xen/sys-hypervisor.c >> @@ -50,6 +50,18 @@ static int __init

Re: [Xen-devel] [PATCH v3 2/4] xen: add sysfs node for guest type

2017-06-14 Thread Boris Ostrovsky
> diff --git a/drivers/xen/sys-hypervisor.c b/drivers/xen/sys-hypervisor.c > index 84106f9c456c..d641e9970d5d 100644 > --- a/drivers/xen/sys-hypervisor.c > +++ b/drivers/xen/sys-hypervisor.c > @@ -50,6 +50,18 @@ static int __init xen_sysfs_type_init(void) > return

[Xen-devel] [PATCH v3 2/4] xen: add sysfs node for guest type

2017-06-12 Thread Juergen Gross
Currently there is no reliable user interface inside a Xen guest to determine its type (e.g. HVM, PV or PVH). Instead of letting user mode try to determine this by various rather hacky mechanisms (parsing of boot messages before they are gone, trying to make use of known subtle differences in