[PATCH] sched, time: fix build error with 64 bit cputime_t on 32 bit systems
From: peterz@infradead.org (Peter Zijlstra)
Date: 2014-09-30 19:09:05
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On Tue, Sep 30, 2014 at 09:06:13PM +0200, Frederic Weisbecker wrote:
Maybe cmpxchg() should itself be a wrapper that does this build time choice between cmpxchg32() and cmpxchg64(). And if it looks too dangerous to convert all users, this could be cmpxchg_t().
It cannot, not all 32bit archs can do a 64bit cmpxchg.