Re: current_thread_info() vs task_thread_info(current)

From: Peter Zijlstra
Date: Mon Jul 18 2011 - 07:45:20 EST

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.
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