From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fqCaw-000088-Qi for barebox@lists.infradead.org; Thu, 16 Aug 2018 07:21:24 +0000 Date: Thu, 16 Aug 2018 09:21:09 +0200 From: Sascha Hauer Message-ID: <20180816072109.orchkumwut4iwasv@pengutronix.de> References: <20180815134659.32553-1-s.hauer@pengutronix.de> <20180815134937.ylp6k7ibo67rft5p@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 Cc: Barebox List On Wed, Aug 15, 2018 at 09:55:32AM -0700, Andrey Smirnov wrote: > On Wed, Aug 15, 2018 at 6:49 AM Sascha Hauer wrote: > > > > On Wed, Aug 15, 2018 at 03:46:59PM +0200, Sascha Hauer wrote: > > > Since 7ba0f2d299 arm_create_pte() flushes the page table entries itself > > > 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 base > > > of the page table. Fix it up. > > > > > > Fixes: 7ba0f2d299 ARM: mmu: fix cache flushing when replacing a section with a PTE > > > > Since the patch breaking it was the reason for creating v2018.07.1, this > > 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 patch > > > > 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. So I guess I can take this as a Tested-by ;) Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox