Re: [PATCH 1/6] x86_64/mm: map and unmap page tables in cleanup_frame_table

[Hongyan Xia <hx242@xen.org>]

Hi Julien,

On Fri, 2020-04-24 at 09:59 +0100, Julien Grall wrote:
> (resending)
> 
> On 17/04/2020 10:52, Hongyan Xia wrote:
> > From: Wei Liu <wei.liu2@citrix.com>
> > 
> > Also fix a weird indentation.
> > 
> > Signed-off-by: Wei Liu <wei.liu2@citrix.com>
> > Signed-off-by: Hongyan Xia <hongyxia@amazon.com>
> > ---
> >   xen/arch/x86/x86_64/mm.c | 14 +++++++-------
> >   1 file changed, 7 insertions(+), 7 deletions(-)
> > 
> > diff --git a/xen/arch/x86/x86_64/mm.c b/xen/arch/x86/x86_64/mm.c
> > index e85ef449f3..18210405f4 100644
> > --- a/xen/arch/x86/x86_64/mm.c
> > +++ b/xen/arch/x86/x86_64/mm.c
> > @@ -737,8 +737,8 @@ static void cleanup_frame_table(struct
> > mem_hotadd_info *info)
> >   
> >       while (sva < eva)
> >       {
> > -        l3e = l4e_to_l3e(idle_pg_table[l4_table_offset(sva)])[
> > -          l3_table_offset(sva)];
> > +        l3e = l3e_from_l4e(idle_pg_table[l4_table_offset(sva)],
> > +                           l3_table_offset(sva));
> 
> This macro doesn't exist yet in the tree. It would be good to spell
> out 
> the dependencies in the cover letter so this doesn't get merged
> before 
> the dependency is merged.

I believe the introduction of the new macros has been merged in staging
as 6c8afe5aadb33761431b24157d99b25eac15fc7e.

> Reviewed-by: Julien Grall <jgrall@amazon.com>

Thanks!

Hongyan