[Xen-devel] Re: paged granttable entries

[Olaf Hering <olaf@xxxxxxxxx>]

Patrick,

while looking for other usage of p2m_mem_paging_populate(), I found two
calls in __gnttab_copy(). They set the error gnttab_copy_t->status to
-ENOENT.
Should this better be something from the GNTST_* namespace? I did not
see a check for -ENOENT "on the other side".

At least the kernel drivers in SLES11 do only check for GNTST_okay and
GNTST_eagain and GNTST_bad_page.


And a quick search for op->status usage shows a mix of GNTST_* and
status != 0. While it may not make much difference, perhaps there should
be some translation between the granttable error namespace and other
namespaces.


Olaf


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