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From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: Alexander Aring <alex.aring@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 8/8] memtest: add rewritten memtest command
Date: Wed, 23 Jan 2013 21:30:51 +0100	[thread overview]
Message-ID: <20130123203051.GQ26329@game.jcrosoft.org> (raw)
In-Reply-To: <20130123202501.GC3427@x61s.8.8.8.8>

On 21:25 Wed 23 Jan     , Alexander Aring wrote:
> Hi Sascha,
> 
> On Wed, Jan 23, 2013 at 09:18:44PM +0100, Sascha Hauer wrote:
> > Hi Alexander,
> > 
> > On Wed, Jan 23, 2013 at 09:01:36PM +0100, Alexander Aring wrote:
> > > > > +/*
> > > > > + * PTE flags variables to set cached and
> > > > > + * uncached regions.
> > > > > + */
> > > > > +static uint32_t PTE_FLAGS_CACHED;
> > > > > +static uint32_t PTE_FLAGS_UNCACHED;
> > > > 
> > > > Please no uppercase letters for variable names.
> > > >
> > > Ok. I took it from mach/arm/cpu/mmu.c, should I create a patch which
> > > rename it in arch/arm/cpu/mmu.c lower case, too?
> > 
> > Yes, that would be great. I must have forgotten reviewing my own patch
> > ;)
> > 
> > > 
> > > > > +#else
> > > > > +static char optstr[] = "s:e:i:b";
> > > > > +#endif
> > > > > +
> > > > > +/*
> > > > > + * Perform a memory test. The complete test
> > > > > + * loops until interrupted by ctrl-c.
> > > > > + */
> > > > > +static int mem_test(vu_long _start, vu_long _end,
> > > > > +		int bus_only)
> > > > 
> > > > It would be good to move this function to common/memory_test.c. This way
> > > > it could be called from C. Especially testing memory might be called
> > > > from some early small (no shell) development binaries which are running from some
> > > > internal SRAM.
> > > > 
> > > Ok.
> > > Maybe we can do a menu entry via Kconfig or something else to run a
> > > memtest after booting automatically.
> > 
> > Maybe this could be added as an init script in the environment, but
> > personally I don't think I'll run it by default on our boards. We are
> > more into booting fast.
> But how will you run the memtest command in a (no shell) environment? :)
make as an option but this will be board specific

I do not want it by default too

booting time are critical for a lost of client

Best Regards,
J.
> 
> > 
> > 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 |
> 
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  reply	other threads:[~2013-01-23 20:32 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-15 13:48 [PATCH v2 0/8] add new " Alexander Aring
2013-01-15 13:48 ` [PATCH 1/8] remap_range: make function 'remap_range' global Alexander Aring
2013-01-15 13:48 ` [PATCH 2/8] mmu: add getters for pte cache flags Alexander Aring
2013-01-15 13:48 ` [PATCH 3/8] arm-mmu: move PAGE_ALIGN macro to common.h Alexander Aring
2013-01-15 13:48 ` [PATCH 4/8] common: add PAGE_ALIGN_DOWN macro Alexander Aring
2013-01-15 13:48 ` [PATCH 5/8] memory: add function address_in_sdram_regions Alexander Aring
2013-01-15 13:48 ` [PATCH 6/8] barebox-data: add barebox-data sections Alexander Aring
2013-01-15 13:48 ` [PATCH 7/8] memtest: remove memtest command Alexander Aring
2013-01-15 13:48 ` [PATCH 8/8] memtest: add rewritten " Alexander Aring
2013-01-17  9:54   ` Sascha Hauer
2013-01-23 20:01     ` Alexander Aring
2013-01-23 20:18       ` Sascha Hauer
2013-01-23 20:25         ` Alexander Aring
2013-01-23 20:30           ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2013-01-23 20:43             ` Alexander Aring
2013-01-23 20:55               ` Sascha Hauer

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