Re: [PATCH v8 01/11] ARM: brcmstb: add infrastructure for ARM-based Broadcom STB SoCs

From: Russell King - ARM Linux
Date: Sat Aug 02 2014 - 04:21:55 EST


On Fri, Aug 01, 2014 at 09:33:44AM -0500, Rob Herring wrote:
> On Wed, Jul 30, 2014 at 9:23 PM, Brian Norris
> <computersforpeace@xxxxxxxxx> wrote:
> > Like what?
>
> Errata work-arounds, performance bits, etc. I don't recall exactly
> which ones are per core vs. global. I assume this is an A9, but cores
> with virt extensions would also need to drop to non-secure mode.

The kernel's bringup just before enabling the CPU deals with that stuff
provided your CPU is running in secure mode, but you are right - we /do/
want to encourage platforms to do the errata fixups before they call the
kernel via any entry point.

--
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/