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Wed, 02 Jun 2021 07:51:57 -0700 (PDT) Date: Wed, 2 Jun 2021 16:53:33 +0200 From: Thierry Reding To: Krzysztof Kozlowski Subject: Re: [PATCH v2 00/10] arm64: tegra: Prevent early SMMU faults Message-ID: References: <20210420172619.3782831-1-thierry.reding@gmail.com> <20210601122646.GB27832@willie-the-truck> <6826d892-d1ac-e3b1-ebee-68392d11d7c5@canonical.com> <8c70f82f-0db9-2312-7fc4-c079899c25a0@canonical.com> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/2.0.6 (98f8cb83) (2021-03-06) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210602_075159_747640_AC5F04F9 X-CRM114-Status: GOOD ( 33.81 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Will Deacon , Joerg Roedel , iommu@lists.linux-foundation.org, Jon Hunter , Nicolin Chen , linux-tegra@vger.kernel.org, Robin Murphy , linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============7782757005681765239==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============7782757005681765239== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="d7meRK8uCRENx+0w" Content-Disposition: inline --d7meRK8uCRENx+0w Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jun 02, 2021 at 12:44:58PM +0200, Krzysztof Kozlowski wrote: > On 02/06/2021 10:52, Thierry Reding wrote: > > On Wed, Jun 02, 2021 at 09:35:13AM +0200, Krzysztof Kozlowski wrote: > >> On 02/06/2021 09:33, Krzysztof Kozlowski wrote: > >>> On 01/06/2021 20:08, Thierry Reding wrote: > >>>> On Tue, Jun 01, 2021 at 01:26:46PM +0100, Will Deacon wrote: > >>>>> On Fri, May 28, 2021 at 07:05:28PM +0200, Thierry Reding wrote: > >>>>>> On Tue, Apr 20, 2021 at 07:26:09PM +0200, Thierry Reding wrote: > >>>>>>> From: Thierry Reding > >>>>>>> > >>>>> Probably best if I queue 3-6 on a separate branch once you send a v= 3, > >>>>> then Krzysztof can pull that in if he needs it. > >>>> > >>>> Patch 5 has a build-time dependency on patch 1, so they need to go in > >>>> together. The reason why I suggested Krzysztof pick these up is beca= use > >>>> there is a restructuring series that this depends on, which will go = into > >>>> Krzysztof's tree. So in order to pull in 3-6, you'd get a bunch of o= ther > >>>> and mostly unrelated stuff as well. > >>> > >>> I missed that part... what other series are needed for this one? Exce= pt > >>> Dmitry's power management set I do not have anything in my sight for > >>> Tegras memory controllers. > >>> > >>> Anyway, I can take the memory bits and provide a stable tag with thes= e. > >>> Recently there was quite a lot work around Tegra memory controllers, = so > >>> this makes especially sense if new patches appear. > >> > >> OK, I think I have now the patchset you talked about - "memory: tegra: > >> Driver unification" v2, right? > >=20 > > Yes, that's the one. That series is fairly self-contained, but Dmitry's > > power management set has dependencies that pull in the regulator, clock > > and ARM SoC trees. > >=20 > > I did a test merge of the driver unification series with a branch that > > has Dmitry's patches and all the dependencies and there are no conflicts > > so that, fortunately, doesn't further complicates things. > >=20 > > Do you want me to send you a pull request with Dmitry's memory > > controller changes? You could then apply the unification series on top, > > which should allow this SMMU series to apply cleanly on top of that. >=20 > Makes sense and it looks quite bulletproof for future changes. Let's do > like this. I will apply your patch 1/10 from this v2 on top of it and > driver unification later. The SMMU series here depends on the unification series, so the unification series needs to go first. It'd be a fair bit of work to reverse that because the ->probe_device() callback implemented by the first patch of this SMMU series is part of the tegra_mc_ops structure that's introduced in the unification series. Thierry --d7meRK8uCRENx+0w Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAmC3m2oACgkQ3SOs138+ s6E4eg//aFBqXZzywd1NQPNcq3zTATqjd/of/rM4RoIKdQ/wYGhm+Ur8KI4gqdvL Y0kfriu2nyazB5sOTW8avX9HldBX+Pey5Th0/9c/RnkKmc7Z8KyaL0ojdXt7je/K HOmKbNn8ndcpZWGQXqMSz6F2v9DQFNr27eJnPBQMCj+RGJeje50FQd9sQz8pedkm mjaNs9d0aV/oa/poHWYU+R0nIyDYVAaEVZvajtOP4nJo+kacKp1zf5wa0OCHKUed 8VmvD817JVUj7FOSLn6y7pCiJnbZcLsSoL/DwGqv/ehq7dd9bq1iAh+FMX2yggr+ B2Y6fKnLEh+6D75ncsAE7ouD4f3jNNF9tHk3w5e5ci9fV0l6W8J3dlEWTMYurfa7 AIP38eZwDNtxazgYx00CXdHOzPfrDP3oHfLGBo48fmsV5zesLvzZQujxFXpiSzfP wYdHWCok+79iu4FxO7lqsj3hlCxfAtKrnz/itYbSLrkooe5DrYoLmBHQVBNauQJz 2juAU0hyYP5OSN7T/rtQvj3OR8e/XIX10pJxOPiYTS2/bkWBEvUxM61+oc4OMy4r AvKuNI70T1vHlfr8EN4X5ucttyoBNqeADiKmzlAD9RaGA1zucEesp8vd5xzDNsBs 8lr2OA03q+sX+VpMHufXXOiLZFDJZ5ADd8Xys+CNfEIfJ6sL/OY= =FosS -----END PGP SIGNATURE----- --d7meRK8uCRENx+0w-- --===============7782757005681765239== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============7782757005681765239==--