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[156.34.55.100]) by smtp.gmail.com with ESMTPSA id i27sm1079838qkk.58.2019.07.10.07.15.48 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 10 Jul 2019 07:15:48 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1hlDNr-0001Pb-Qi; Wed, 10 Jul 2019 11:15:47 -0300 Date: Wed, 10 Jul 2019 11:15:47 -0300 From: Jason Gunthorpe To: janani Cc: Bharata B Rao , linuxppc-dev@lists.ozlabs.org, linuxram@us.ibm.com, cclaudio@linux.ibm.com, kvm-ppc@vger.kernel.org, linux-mm@kvack.org, jglisse@redhat.com, aneesh.kumar@linux.vnet.ibm.com, paulus@au1.ibm.com, sukadev@linux.vnet.ibm.com, Anshuman Khandual , Linuxppc-dev Subject: Re: [PATCH v5 7/7] KVM: PPC: Ultravisor: Add PPC_UV config option Message-ID: <20190710141547.GB4051@ziepe.ca> References: <20190709102545.9187-1-bharata@linux.ibm.com> <20190709102545.9187-8-bharata@linux.ibm.com> <6759c8a79b2962d07ed99f2b1cd05637@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6759c8a79b2962d07ed99f2b1cd05637@linux.vnet.ibm.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Jul 10, 2019 at 08:24:56AM -0500, janani wrote: > On 2019-07-09 05:25, Bharata B Rao wrote: > > From: Anshuman Khandual > > > > CONFIG_PPC_UV adds support for ultravisor. > > > > Signed-off-by: Anshuman Khandual > > Signed-off-by: Bharata B Rao > > Signed-off-by: Ram Pai > > [ Update config help and commit message ] > > Signed-off-by: Claudio Carvalho > Reviewed-by: Janani Janakiraman > > arch/powerpc/Kconfig | 20 ++++++++++++++++++++ > > 1 file changed, 20 insertions(+) > > > > diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig > > index f0e5b38d52e8..20c6c213d2be 100644 > > +++ b/arch/powerpc/Kconfig > > @@ -440,6 +440,26 @@ config PPC_TRANSACTIONAL_MEM > > Support user-mode Transactional Memory on POWERPC. > > > > +config PPC_UV > > + bool "Ultravisor support" > > + depends on KVM_BOOK3S_HV_POSSIBLE > > + select HMM_MIRROR > > + select HMM > > + select ZONE_DEVICE These configs have also been changed lately, I didn't see any calls to hmm_mirror in this patchset, so most likely the two HMM selects should be dropped and all you'll need is ZONE_DEVICE.. Jason