[U-Boot] [PATCH] mtest: Disable dcache during test

Benoît Thébaudeau benoit.thebaudeau at advansee.com
Mon Sep 3 16:25:15 CEST 2012


Dear Wolfgang Denk,

On Sunday, September 2, 2012 6:30:23 PM, Wolfgang Denk wrote:
> Dear Benoît Thébaudeau,
> 
> In message
> <1725235724.2300239.1344694624384.JavaMail.root at advansee.com> you
> wrote:
> > 
> > On 08/11/2012 05:18 AM, Mike Frysinger wrote:
> ...
> > > if you want dcache disabled, then why don't you run `dcache off`
> > > first ?  i
> > > think it's useful to be able to do both, and forcing it one way
> > > is
> > > wrong.
> > > 
> > > thus, NAK from me.
> > > -mike
> > 
> > Because you will very likely trust mtest and forget about running
> > `dcache off`
> > first, so you may then be happy about falsely positive mtest
> > results. Moreover,
> > I can't find any sense or usefulness in running mtest with dcache
> > enabled.
> 
> I agree with Mike.
> 
> "UNIX was not designed to stop you from doing stupid things,  because
> that would also stop you from doing clever things."       - Doug Gwyn
> 
> So NAK from me, too.

OK, but do you agree with the following that Mike and me agreed on after that?
http://lists.denx.de/pipermail/u-boot/2012-August/130650.html
http://lists.denx.de/pipermail/u-boot/2012-August/130726.html
http://patchwork.ozlabs.org/patch/176909/

Best regards,
Benoît


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