Re: [PATCH v2] x86/paravirt: merge activate_mm and dup_mmap callbacks

[Juergen Gross <jgross@xxxxxxxx>]

On 07.02.23 22:09, Srivatsa S. Bhat wrote:
> On 2/6/23 11:59 PM, Juergen Gross wrote:
> > The two paravirt callbacks .mmu.activate_mm and .mmu.dup_mmap are
> > sharing the same implementations in all cases: for Xen PV guests they
> > are pinning the PGD of the new mm_struct, and for all other cases
> > they are a NOP.
> >
> > In the end both callbacks are meant to register an address space with
> > the underlying hypervisor, so there needs to be only a single callback
> > for that purpose.
> >
> > So merge them to a common callback .mmu.enter_mmap (in contrast to the
> > corresponding already existing .mmu.exit_mmap).
> >
> > As the first parameter of the old callbacks isn't used, drop it from
> > the replacement one.
> >
> > Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> > Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
>
> Reviewed-by: Srivatsa S. Bhat (VMware) <srivatsa@xxxxxxxxxxxxx>
x86 maintainers, I think this patch should be carried via the tip tree.


Juergen

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