jump_label: Make it possible for arches to invoke jump_label_init() earlier
authorKevin Hao <haokexin@gmail.com>
Sat, 23 Jul 2016 09:12:37 +0000 (14:42 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 1 Aug 2016 01:15:01 +0000 (11:15 +1000)
commite3f91083facb792dc8d8fd0a59639e4d6e7c0c8f
treec8afe09d68a86f86bb04946d7d822af5f3bed121
parentb8f1b4f8606b40b478072fb551f79e2984d44fad
jump_label: Make it possible for arches to invoke jump_label_init() earlier

Some arches (powerpc at least) would like to invoke jump_label_init()
much earlier in boot. So check static_key_initialized in order to make
sure this function runs only once.

LGTM-by: Ingo (http://marc.info/?l=linux-kernel&m=144049104329961&w=2)
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
kernel/jump_label.c