<1466054627.5400.5.ca...@ellerman.id.au> <20160616055746.gc22...@birch.djwong.org> <8737oda1lt....@skywalker.in.ibm.com> <87ziql8l93....@skywalker.in.ibm.com> <87wplp8kxh....@skywalker.in.ibm.com> Organization: IBM Australia Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.20.3 (3.20.3-1.fc24) Mime-Version: 1.0 Content-Transfer-Encoding: 8bit
On Thu, 2016-06-16 at 16:22 +0530, Aneesh Kumar K.V wrote: > Hmm Qemu does > >        /* Looks like an IO address */ >        /* FIXME: What WIMG combinations could be sensible for IO? >         * For now we allow WIMG=010x, but are there others? */ >        /* FIXME: Should we check against registered IO addresses? */ >        if ((ptel & (HPTE64_R_W | HPTE64_R_I | HPTE64_R_M)) != > HPTE64_R_I) { >            return H_PARAMETER; >        } > > -aneesh And what do we get ? M ? I think we might be OR'ing it unconditionaly... Ben.
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