Re: [PATCH] [RFC] ARM: keystone: possibly fix big-endian kernels
From: Russell King - ARM Linux
Date: Tue Feb 23 2016 - 09:53:35 EST
On Tue, Feb 23, 2016 at 03:43:21PM +0100, Arnd Bergmann wrote:
> While discussing a regressing in the netcp driver, I wondered
> whether Keystone can work with a big-endian kernel, and noticed
> that we don't switch endianess when we enter the kernel on the
> secondary CPU, or when we call into smc.
NAK. Sorry Arnd, you're worringly wrong on this.
secondary_startup will do the setend if necessary, there's no need
to do this kind of junk in each and every platform. It's been this
way since:
commit 97bcb0fea590d3d704f985bec08f342d28992634
Author: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>
Date: Fri Feb 1 09:40:42 2013 +0000
So, I hope you've not been telling platform folk to do this. Please
audit the arm-soc code to make sure, thanks.
--
RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.