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Re: [PATCH for-4.19 v3 2/3] xen: enable altp2m at create domain domctl



On Thu, 23 May 2024, Roger Pau Monné wrote:
> On Fri, May 17, 2024 at 03:33:51PM +0200, Roger Pau Monne wrote:
> > Enabling it using an HVM param is fragile, and complicates the logic when
> > deciding whether options that interact with altp2m can also be enabled.
> > 
> > Leave the HVM param value for consumption by the guest, but prevent it from
> > being set.  Enabling is now done using and additional altp2m specific field 
> > in
> > xen_domctl_createdomain.
> > 
> > Note that albeit only currently implemented in x86, altp2m could be 
> > implemented
> > in other architectures, hence why the field is added to 
> > xen_domctl_createdomain
> > instead of xen_arch_domainconfig.
> > 
> > Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> > ---
> > Changes since v2:
> >  - Introduce a new altp2m field in xen_domctl_createdomain.
> > 
> > Changes since v1:
> >  - New in this version.
> > ---
> >  tools/libs/light/libxl_create.c     | 23 ++++++++++++++++++++++-
> >  tools/libs/light/libxl_x86.c        | 26 ++++++++++++--------------
> >  tools/ocaml/libs/xc/xenctrl_stubs.c |  2 +-
> >  xen/arch/arm/domain.c               |  6 ++++++
> 
> Could I get an Ack from one of the Arm maintainers for the trivial Arm
> change?

Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>

 


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