From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH] ARM: dma: default ZONE_DMA to y if ARM_LPAE
Date: Sun, 11 Aug 2013 23:19:23 +0100 [thread overview]
Message-ID: <20130811221923.GA23006@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <CAOesGMgvU4Vxg1vwnvjUp3fEHbWDYc1mKTvCyaE4zQOfMr_2sw@mail.gmail.com>
On Sun, Aug 11, 2013 at 03:14:26PM -0700, Olof Johansson wrote:
> On Sun, Aug 11, 2013 at 3:05 PM, Russell King - ARM Linux
> <linux@arm.linux.org.uk> wrote:
>
> > No. As I keep telling people, go look at my dma-mask patches and stop
> > papering over this problem.
>
> Ah, yes, I'm going through email backlog. The DMA mask series will
> definitely cover this in a better way.
>
> This is a minimal patch that could be suitable for -stable backport.
> If we care about that -- I'm sure people can just amend their configs
> where needed.
Well, it's not a regression, it's something which has never worked. In
my mind, that isn't really -stable material - stable is for stuff that
was either working and has been broken or for security stuff.
Having all your system memory above 4G _and_ having 32-bit DMA masks is
something which never worked.
prev parent reply other threads:[~2013-08-11 22:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-26 13:05 [RFC PATCH] ARM: dma: default ZONE_DMA to y if ARM_LPAE Will Deacon
2013-08-11 21:51 ` Olof Johansson
2013-08-11 22:05 ` Russell King - ARM Linux
2013-08-11 22:14 ` Olof Johansson
2013-08-11 22:19 ` Russell King - ARM Linux [this message]
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