On Mon, Jul 18, 2011 at 01:44:50PM +0200, Peter Zijlstra wrote: > On Mon, 2011-07-18 at 14:36 +0300, Gleb Natapov wrote: > > > Why not use per cpu kernel_stack variable on all arches as x86_64 does? > > How big the advantage of using stack pointer to find current thread info is? > > One less load I imagine. Oh, yes of course. But what I mean is that if using kernel_stack is good enough for most popular architecture (x86_64) may be it is good enough for other architectures too? -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html