Messages in this thread | | | Date | Mon, 18 Jul 2011 14:48:34 +0300 | From | Gleb Natapov <> | Subject | Re: current_thread_info() vs task_thread_info(current) |
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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.
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