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Date: Thu, 12 Dec 2019 04:51:16 -0800
From: Christoph Hellwig <hch@...radead.org>
To: Christophe Leroy <christophe.leroy@....fr>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>,
linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/irq: don't use current_stack_pointer() in
do_IRQ()
Why can't current_stack_pointer be turned into an inline function using
inline assembly? That would reduce the overhead for all callers.
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