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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Subject: Re: [PATCH] ARM: MMU: fix wrong dma_flush_range in arm_create_pte()
Date: Wed, 15 Aug 2018 15:49:37 +0200	[thread overview]
Message-ID: <20180815134937.ylp6k7ibo67rft5p@pengutronix.de> (raw)
In-Reply-To: <20180815134659.32553-1-s.hauer@pengutronix.de>

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

Sascha

-- 
Pengutronix e.K.                           |                             |
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  reply	other threads:[~2018-08-15 13:49 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-15 13:46 Sascha Hauer
2018-08-15 13:49 ` Sascha Hauer [this message]
2018-08-15 16:55   ` Andrey Smirnov
2018-08-16  7:21     ` Sascha Hauer
2018-08-16 21:30     ` Giorgio Dal Molin

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