Re: [Xen-devel] [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH

2018-12-07 Thread Maran Wilson
On 12/7/2018 7:14 AM, Paolo Bonzini wrote: On 07/12/18 14:58, Juergen Gross wrote: On 07/12/2018 14:52, Paolo Bonzini wrote: On 07/12/18 14:50, Juergen Gross wrote: The PVH boot entry is in the same bzImage binary as the normal one. Its just another entry, similar to the Xen PV boot entry. So

Re: [Xen-devel] [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH

2018-12-07 Thread Paolo Bonzini
On 07/12/18 14:58, Juergen Gross wrote: > On 07/12/2018 14:52, Paolo Bonzini wrote: >> On 07/12/18 14:50, Juergen Gross wrote: >>> The PVH boot entry is in the same bzImage binary as the normal one. >>> Its just another entry, similar to the Xen PV boot entry. So the binary >>>

Re: [Xen-devel] [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH

2018-12-07 Thread Juergen Gross
On 07/12/2018 14:52, Paolo Bonzini wrote: > On 07/12/18 14:50, Juergen Gross wrote: >> The PVH boot entry is in the same bzImage binary as the normal one. >> Its just another entry, similar to the Xen PV boot entry. So the binary >> arch/x86/boot/bzimage can be booted either on bare metal via

Re: [Xen-devel] [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH

2018-12-07 Thread Paolo Bonzini
On 07/12/18 14:50, Juergen Gross wrote: > The PVH boot entry is in the same bzImage binary as the normal one. > Its just another entry, similar to the Xen PV boot entry. So the binary > arch/x86/boot/bzimage can be booted either on bare metal via grub2 or > other boot-loaders, as Xen PV-guest, as

Re: [Xen-devel] [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH

2018-12-07 Thread Juergen Gross
On 07/12/2018 14:41, Paolo Bonzini wrote: > On 07/12/18 07:02, Juergen Gross wrote: >> On 06/12/2018 23:11, Paolo Bonzini wrote: >>> On 06/12/18 07:04, Maran Wilson wrote: +config PVH + bool "Support for running PVH guests" + ---help--- +This option enables the PVH entry

Re: [Xen-devel] [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH

2018-12-07 Thread Paolo Bonzini
On 07/12/18 07:02, Juergen Gross wrote: > On 06/12/2018 23:11, Paolo Bonzini wrote: >> On 06/12/18 07:04, Maran Wilson wrote: >>> +config PVH >>> + bool "Support for running PVH guests" >>> + ---help--- >>> + This option enables the PVH entry point for guest virtual machines >>> + as

Re: [Xen-devel] [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH

2018-12-06 Thread Juergen Gross
On 06/12/2018 23:11, Paolo Bonzini wrote: > On 06/12/18 07:04, Maran Wilson wrote: >> +config PVH >> +bool "Support for running PVH guests" >> +---help--- >> + This option enables the PVH entry point for guest virtual machines >> + as specified in the x86/HVM direct boot ABI. >>

Re: [Xen-devel] [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH

2018-12-06 Thread Andrew Cooper
On 06/12/2018 23:30, Paolo Bonzini wrote: > On 07/12/18 00:11, Boris Ostrovsky wrote: >> On 12/6/18 5:49 PM, Paolo Bonzini wrote: >>> On 06/12/18 23:34, Boris Ostrovsky wrote: On 12/6/18 5:11 PM, Paolo Bonzini wrote: > and also > > depends on !EFI > > because even

Re: [Xen-devel] [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH

2018-12-06 Thread Paolo Bonzini
On 07/12/18 00:11, Boris Ostrovsky wrote: > On 12/6/18 5:49 PM, Paolo Bonzini wrote: >> On 06/12/18 23:34, Boris Ostrovsky wrote: >>> On 12/6/18 5:11 PM, Paolo Bonzini wrote: >>> and also depends on !EFI because even though in principle it would be possible to write a

Re: [Xen-devel] [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH

2018-12-06 Thread Boris Ostrovsky
On 12/6/18 5:49 PM, Paolo Bonzini wrote: > On 06/12/18 23:34, Boris Ostrovsky wrote: >> On 12/6/18 5:11 PM, Paolo Bonzini wrote: >> >>> and also >>> >>> depends on !EFI >>> >>> because even though in principle it would be possible to write a PVH >>> loader for UEFI, PVH's start info does not

Re: [Xen-devel] [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH

2018-12-06 Thread Paolo Bonzini
On 06/12/18 23:34, Boris Ostrovsky wrote: > On 12/6/18 5:11 PM, Paolo Bonzini wrote: >> On 06/12/18 07:04, Maran Wilson wrote: >>> +config PVH >>> + bool "Support for running PVH guests" >>> + ---help--- >>> + This option enables the PVH entry point for guest virtual machines >>> + as

Re: [Xen-devel] [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH

2018-12-06 Thread Boris Ostrovsky
On 12/6/18 5:11 PM, Paolo Bonzini wrote: > On 06/12/18 07:04, Maran Wilson wrote: >> +config PVH >> +bool "Support for running PVH guests" >> +---help--- >> + This option enables the PVH entry point for guest virtual machines >> + as specified in the x86/HVM direct boot ABI. >> +

Re: [Xen-devel] [PATCH v8 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH

2018-12-06 Thread Paolo Bonzini
On 06/12/18 07:04, Maran Wilson wrote: > +config PVH > + bool "Support for running PVH guests" > + ---help--- > + This option enables the PVH entry point for guest virtual machines > + as specified in the x86/HVM direct boot ABI. > + IIUC this breaks "normal" bzImage boot, so