[PATCH 8/9] ARM: pxa: add iwmmx support for PJ4
nico at fluxnic.net
Wed Nov 10 20:51:51 EST 2010
On Thu, 11 Nov 2010, Eric Miao wrote:
> A run-time check of the core will be quicker, but doesn't look like a clean
Runtime checks should be avoided if possible, especially in the task
switching path. That would be appropriate, though, in setup code such
as it is done in xscale_cp0_init().
> A better way to go maybe introducing different function entries
> which call the common iwmmx handling code.
Right. And in this case it is probably a good idea to clone the content
of linux/arch/arm/kernel/xscale-cp0.c into a separate file, say
mvpj4-cp0.c, and adapt it accordingly as the core of it will be
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