[Cbe-oss-dev] [patch 01/20] cell: add RAS support

Geoff Levand geoffrey.levand at am.sony.com
Wed Jun 21 05:00:08 EST 2006


Olof Johansson wrote:
> On Tue, Jun 20, 2006 at 06:26:53PM +0200, Arnd Bergmann wrote:
>> On Tuesday 20 June 2006 17:43, Olof Johansson wrote:
>> > 
>> > > This is a first version of support for the Cell BE "Reliability,
>> > > Availability and Serviceability" features.
>> > 
>> > Does it really make sense to do this under a config option? I don't
> see
>> > why anyone would not want to know that their machine is about to
> melt.
>> > 
>> You can only have that when running on bare metal. Machines that run
>> on a hypervisor can't run that code.
> 
> Well, it's harmless to build it in even on hypervisor systems, right?


Harmless if you have a lot of RAM...


>> It probably makes sense to auto-select that option for
> CONFIG_CELL_BLADE
>> though.
> 
> Sounds like a reasonable trade-off.


If its always built in, then I guess we don't need the conditionals
in cell/setup.c:

+#ifdef CONFIG_CBE_RAS
+	cbe_ras_init();
+#endif


-Geoff




More information about the Linuxppc-dev mailing list