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From: Christoph Lameter <clameter@sgi.com> Date: Sat, 07 Jul 2007 20:49:52 -0700 > A cmpxchg is less costly than interrupt enabe/disable This is cpu dependant, and in fact not true at all on Niagara and several of the cpus in the UltraSPARC family. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | |||||||||
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