Re: [Xen-devel] [PATCH v2 REPOST 01/12] [x86|arm]: remove code duplication

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 22.08.17 at 16:50, <paul.durrant@xxxxxxxxxx> wrote:
> There is a substantial amount of code duplicated between the x86 and arm
> implementations of mm.c:xenmem_add_to_physmap_one() for
> XENMAPSPACE_grant_table. Also, the code in question looks like it really
> should be in common/grant_table.c
> 
> This patch introduces a new function in common/grant_table.c to get the mfn
> of a specified frame in the grant table of a specified guest, and calls to
> that from the arch-specific code in mm.c.
> 
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>

This would need re-basing over the XSA-235 fix, but I prefer
Jürgen's similar change, as it retains the present locking
properties better on ARM.

Jan

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