Re: [Xen-devel] [PATCH 2/5] xen: move XENMAPSPACE_grant_table code into grant_table.c

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 21.08.17 at 20:05, <jgross@xxxxxxxx> wrote:
> The x86 and arm versions of XENMAPSPACE_grant_table handling are nearly
> identical. Move the code into a function in grant_table.c and add an
> architecture dependant hook to handle the differences.
> 
> This at once fixes a bug in the arm code which didn't unlock the grant
> table in error case.
> 
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

This will need re-basing over the XSA-235 fix which went in yesterday.
Perhaps worth having a local variable for d->grant_table in
gnttab_map_frame(), but apart from that the change looks fine.

Jan


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