From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Mark A. Greer" <mgreer@mvista.com>
Cc: linuxppc-dev list <linuxppc-dev@ozlabs.org>
Subject: Re: [RFC/PATCH] powerpc: MPC7450 L2 HW cache flush feature utilization
Date: Thu, 21 Jun 2007 22:37:22 +1000 [thread overview]
Message-ID: <1182429443.24740.8.camel@localhost.localdomain> (raw)
In-Reply-To: <20070615212016.GB18055@mag.az.mvista.com>
On Fri, 2007-06-15 at 14:20 -0700, Mark A. Greer wrote:
> On Fri, Jun 15, 2007 at 10:14:24AM +0200, Segher Boessenkool wrote:
>
> > > I've double checked this. All processors considered 7450 in the kernel
> > > are covered by MPC7450 RISC Microprocessor Family Reference Manual
> > > where hardware cache flushing procedure is described.
> >
> > Nice. Now all that remains to be done is for the patch to
> > be tested on actual hardware for at least a few of those
> > other CPUs. Any volunteers?
>
> I just booted & played around on a prpmc2800e (7447A, 512MB) with
> this patch and it seemed to work fine.
>
> I *may* have some old sandpoint 745x modules that still work but
> I'll have to get the sandpoint working in arch/powerpc again.
> I'll try to get to that in a week or so.
The thing that needs torture is the powerbook sleep/wakeup code. That's
where all the cache flushing issues have been biting in the past.
Ben.
next prev parent reply other threads:[~2007-06-21 12:37 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-13 10:19 [RFC/PATCH] powerpc: MPC7450 L2 HW cache flush feature utilization Vladislav Buzov
2007-06-14 13:56 ` Segher Boessenkool
2007-06-14 17:12 ` Vladislav Buzov
2007-06-14 22:26 ` Mark A. Greer
2007-06-15 8:16 ` Segher Boessenkool
2007-06-15 8:55 ` Vladislav D. Buzov
2007-06-15 9:01 ` Segher Boessenkool
2007-06-15 9:33 ` Vladislav D. Buzov
2007-06-15 10:44 ` Segher Boessenkool
2007-06-15 8:14 ` Segher Boessenkool
2007-06-15 8:42 ` Vladislav D. Buzov
2007-06-15 8:56 ` Segher Boessenkool
2007-06-15 21:20 ` Mark A. Greer
2007-06-15 22:14 ` Segher Boessenkool
2007-06-21 12:37 ` Benjamin Herrenschmidt [this message]
2007-06-22 15:22 ` Vladislav Buzov
2007-06-23 15:46 ` Segher Boessenkool
2007-06-25 14:09 ` Vladislav Buzov
2007-06-28 8:24 ` Segher Boessenkool
2007-06-28 9:13 ` Benjamin Herrenschmidt
2007-06-28 10:47 ` Vladislav Buzov
2007-06-28 11:09 ` Benjamin Herrenschmidt
2007-06-25 19:00 ` Vladislav Buzov
2007-06-28 8:35 ` Segher Boessenkool
2007-06-29 10:41 ` Vladislav Buzov
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