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[XTENSA] Add volatile keyword to asm statements accessing counter registers
authorChris Zankel <chris@zankel.net>
Wed, 19 Dec 2007 18:21:50 +0000 (10:21 -0800)
committerChris Zankel <chris@zankel.net>
Thu, 14 Feb 2008 01:24:47 +0000 (17:24 -0800)
The compiler get's sometimes to smart and doesn't reread the
counter registers and the kernel doesn't schedule until the
counter wraps around.

Signed-off-by: Chris Zankel <chris@zankel.net>

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