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From: Russell King - ARM Linux <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>
To: Thomas Petazzoni
	<thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: "Hauke Mehrtens" <hauke-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>,
	arnd-r2nGTMty4D4@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org,
	catalin.marinas-5wv7dgnIgG8@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	"Gregory Clément"
	<gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Subject: Re: [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-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>

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.

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  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
     [not found] ` <1432941541-18588-1-git-send-email-hauke-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>
2015-06-10 15:21   ` Thomas Petazzoni
     [not found]     ` <20150610172100.230c0e71-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2015-06-10 19:26       ` Hauke Mehrtens
     [not found]         ` <55788F6B.7060406-5/S+JYg5SzeELgA04lAiVw@public.gmane.org>
2015-06-11  7:26           ` Thomas Petazzoni
2015-06-11  9:24           ` Thomas Petazzoni
     [not found]             ` <20150611112459.6590ab05-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2015-06-11  9:34               ` Russell King - ARM Linux [this message]
     [not found]                 ` <20150611093417.GV7557-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2015-06-11  9:39                   ` Russell King - ARM Linux
     [not found]                     ` <20150611093907.GW7557-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2015-06-11  9:47                       ` Thomas Petazzoni
2015-06-10 16:57   ` Florian Fainelli

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