[LTP] [PATCH v4 2/2] pkey: add test for memory protection keys

Li Wang liwang@redhat.com
Mon Jul 1 09:11:45 CEST 2019


On Wed, Jun 26, 2019 at 5:59 PM Jan Stancek <jstancek@redhat.com> wrote:

>
> ...
> >
> > If a system(e.g PowerKVM guest) configured with NO huge page support,
> then
> > the file '/proc/sys/vm/nr_hugepages' exist but EOPNOTSUPP to read/write.
> In
> > this key01, perhaps I shouldn't use the "/proc/.../nr_hugepages" to
> detect
> > that at the beginning.
> >
> > Seems the correct way is to use "/sys/kernel/mm/hugepages/" for huge page
> > detecting and leave the SAFE_FILE_* still in setup(). Because we need to
> > catch the "/proc/.../nr_hugepages" open/close or read/write issue in
> > testing.
>
> That should work, I see we used that in some tests already.
>

Thanks, should I format new patch v5? or any more comments?

-- 
Regards,
Li Wang
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