From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4] ARM: l2c: add options to overwrite prefetching behavior
Date: Thu, 11 Jun 2015 10:34:17 +0100 [thread overview]
Message-ID: <20150611093417.GV7557@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20150611112459.6590ab05@free-electrons.com>
On Thu, Jun 11, 2015 at 11:24:59AM +0200, Thomas Petazzoni wrote:
> Dear Hauke Mehrtens,
>
> On Wed, 10 Jun 2015 21:26:35 +0200, Hauke Mehrtens wrote:
>
> > Thanks for asking, I did not know Russell's patch process, but Florian
> > guided me and now it is submitted, see
> > http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=8391/1
>
> I tested your patch, and I'm not sure how it can work for you, because
> the changes made to the PREFETCH_CTRL register on the data/instruction
> prefetch bits are later overridden by changes made to the AUX_CTRL
> register.
There's also a patch I sent on May 14th which needs to be applied for this
to work, and fixes the above.
> How does your patch handles the fact that the prefetch data and
> prefetch instr are cloned between PREFETCH_CTRL and AUX_CTRL ?
It needs my patch.
--
FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up
according to speedtest.net.
next prev parent reply other threads:[~2015-06-11 9:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-29 23:19 [PATCH v4] ARM: l2c: add options to overwrite prefetching behavior Hauke Mehrtens
2015-06-10 15:21 ` Thomas Petazzoni
2015-06-10 19:26 ` Hauke Mehrtens
2015-06-11 7:26 ` Thomas Petazzoni
2015-06-11 9:24 ` Thomas Petazzoni
2015-06-11 9:34 ` Russell King - ARM Linux [this message]
2015-06-11 9:39 ` Russell King - ARM Linux
2015-06-11 9:47 ` Thomas Petazzoni
2015-06-10 16:57 ` Florian Fainelli
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