linux-kernel - Re: [PATCH 1/5] jump_label: factor out the base part of jump

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Date:	Fri, 30 Aug 2013 18:37:33 +0200
From:	Radim Krčmář <rkrcmar@...hat.com>
To:	Kevin Hao <haokexin@...il.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linuxppc <linuxppc-dev@...ts.ozlabs.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] jump_label: factor out the base part of jump_label.h
 to a separate file

2013-08-25 15:15+0800, Kevin Hao:
> We plan to use the jump label in the cpu/mmu feature check on ppc.
> This will need to include the jump_label.h in several very basic header
> files of ppc which seems to be included by most of the other head
> files implicitly or explicitly. But in the current jump_label.h,
> it also include the "linux/workqueue.h" and this will cause recursive
> inclusion. In order to fix this, we choose to factor out the base
> part of jump_label.h to a separate header file and we can include
> that file instead of jump_label.h to avoid the recursive inclusion.
> No functional change.

"linux/workqueue.h" was included because of deferred keys and they are
split into "linux/jump_label_ratelimit.h" to solve the same problem in
paravirt ticket spinlock series.
(still in -next: 851cf6e7 jump_label: Split jumplabel ratelimit)
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