Re: [PATCH 6/7] irq: Optimize softirq stack selection in irq exit

From: Linus Torvalds
Date: Wed Sep 25 2013 - 19:04:33 EST

On Wed, Sep 25, 2013 at 9:18 AM, Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:

Please don't introduce anymore of these insane ad-hoc crazy architecture macros.

Just make it a regular config option, which makes it much easier for
architectures to just select it at config time.

So make it something like CONFIG_IRQ_EXIT_ON_IRQ_STACK, and then
x86-64 (and now Power) can just do


in their arch/*/Kconfig files.

Basically, we really should strive to get rid of all those insane
[__]ARCH_xyzzy flags. We have too many of them, and they are insane.

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