[Cbe-oss-dev] [patch 3/3] cell: prevent alignment interrupt on local store

Benjamin Herrenschmidt benh at kernel.crashing.org
Wed Apr 11 07:22:48 EST 2007


On Tue, 2007-04-10 at 20:15 +0900, Akinobu Mita wrote:
> An Alignment interrupt occurs when the instruction is lmw, stmw, lswi, lswx,
> stswi, or stswx, and the operand is in local store.
> 
> GCC generated such instructions to handle memcpy() instead of kernel
> defined memcpy() without -mno-string option.
> 
> Signed-off-by: Akinobu Mita <mita at fixstars.com>

I would personally prefer building the entire kernel with -mno-string
when cell support is enabled...

Ben.





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