From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx009.vodafonemail.xion.oxcs.net ([153.92.174.39]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fqPrK-0005ar-Da for barebox@lists.infradead.org; Thu, 16 Aug 2018 21:31:12 +0000 References: <20180815134659.32553-1-s.hauer@pengutronix.de> <20180815134937.ylp6k7ibo67rft5p@pengutronix.de> From: Giorgio Dal Molin Message-ID: Date: Thu, 16 Aug 2018 23:30:41 +0200 MIME-Version: 1.0 In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6773137456432324036==" Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH] ARM: MMU: fix wrong dma_flush_range in arm_create_pte() To: Andrey Smirnov , barebox@lists.infradead.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============6773137456432324036== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="v6FAQAKoHvuERejisc4lAvaWDs6yHxwVG" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --v6FAQAKoHvuERejisc4lAvaWDs6yHxwVG Content-Type: multipart/mixed; boundary="5I7EdEYaErOJeIYH8waGD7w4rtGcGuUPG"; protected-headers="v1" From: Giorgio Dal Molin To: Andrey Smirnov , barebox@lists.infradead.org Message-ID: Subject: Re: [PATCH] ARM: MMU: fix wrong dma_flush_range in arm_create_pte() References: <20180815134659.32553-1-s.hauer@pengutronix.de> <20180815134937.ylp6k7ibo67rft5p@pengutronix.de> In-Reply-To: --5I7EdEYaErOJeIYH8waGD7w4rtGcGuUPG Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable Hi, On 8/15/18 6:55 PM, Andrey Smirnov wrote: > On Wed, Aug 15, 2018 at 6:49 AM Sascha Hauer w= rote: >> >> On Wed, Aug 15, 2018 at 03:46:59PM +0200, Sascha Hauer wrote: >>> Since 7ba0f2d299 arm_create_pte() flushes the page table entries itse= lf >>> and it's no longer done in arch_remap_range(). Unfortunately it does >>> not flush the modified 1st level page table entry, but instead the ba= se >>> of the page table. Fix it up. >>> >>> Fixes: 7ba0f2d299 ARM: mmu: fix cache flushing when replacing a secti= on with a PTE >> >> Since the patch breaking it was the reason for creating v2018.07.1, th= is >> will be a reason for creating v2018.07.2 (and also v2018.08.1) >> >> I noticed misbehaviour when trying to sue network on a i.MX53 based >> board, here we got tronsmission timeouts. These are fixed with this pa= tch >> >=20 > Heh, you beat me to it by a couple of hours! I came up with the same > patch debugging networking (and various others) issues on i.MX51 last > night and was about to submit it. >=20 > Thanks, > Andrey Smirnov >=20 > _______________________________________________ > barebox mailing list > barebox@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/barebox >=20 I can also confirm this network problem on an imx7d soc. Tomorrow I will test the patch. giorgio --5I7EdEYaErOJeIYH8waGD7w4rtGcGuUPG-- --v6FAQAKoHvuERejisc4lAvaWDs6yHxwVG Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/ iQIzBAEBCAAdFiEE9QinPTH0TNNuN3rvP2UgThicmOcFAlt17QcACgkQP2UgThic mOeQXBAAzimtHRS177S64Sr+qnUg2qbK+/79vvW2cFhhAy0Thc+pHwNwtFH2B4bN pEo5wigMpN8ZVGpTJq0AZhjE968LzMLWqR3wYdNaW4aEY9Wlol6QTwkfQmXPaVeR ptLPMKLHnFWh4TbQKHCNCWMkTqT7UFjIRxKze/KnxuK2gp0XT2oNFXCfmNz4TqjV 8/JDhy597uxbkwwy4ADcR838jvfVK8YCxmXkYU2a1IM8e6AoBnlxijDE3l4cdndZ Eao3Mzk7O5kJWo6/WwFTLi5SWf8CW5z3ZlOqLdUWNYAipJGHmuUQNHbE4ox5oXpC hk+Jn9mWW4SLDn/5ikhy6HQUv8VC7wYVcTobm+ZegGZ/nnozKLUTYTcYAExboRIA +8L7H1N1VmtdMH1Snuqzz60Ylplqn0PQUh5vx1CPbxhEDqkpxkcFe71B89cVx9EA w17Ej0pZgkkvVfct/gr3yhbSoxvWy+6t6SlS1XvFSafdOmJXMuVhmqpA5dXYSzAg SVDDpaIV19VydkfetTFnnCDsMbpXoFUeQVYuNN9JtOvqugbW/CdGuvhcIwVcP6+d jgC+60lLtFrJElkC4X1TLE6Su+jC4ALIC3nZfjIS5qmTTvb0a53QVKU1F9lSf46b 67IwXqFKBfF6Mde7L6GOeas/UL3vpyxCaN1BzV3U3cdjaoQKGk4= =bykT -----END PGP SIGNATURE----- --v6FAQAKoHvuERejisc4lAvaWDs6yHxwVG-- --===============6773137456432324036== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox --===============6773137456432324036==--