From: Kevin Hao <haoke...@gmail.com> For some archs (such as powerpc) would want to invoke jump_label_init() in a much earlier stage. So check static_key_initialized in order to make sure this function run only once.
Signed-off-by: Kevin Hao <haoke...@gmail.com> Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com> --- Ingo did ack this patch in email http://marc.info/?l=linux-kernel&m=144049104329961&w=2 But there was no Acked-by: kernel/jump_label.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/jump_label.c b/kernel/jump_label.c index 4b353e0be121..8ada9f5dc507 100644 --- a/kernel/jump_label.c +++ b/kernel/jump_label.c @@ -235,6 +235,9 @@ void __init jump_label_init(void) struct static_key *key = NULL; struct jump_entry *iter; + if (static_key_initialized) + return; + jump_label_lock(); jump_label_sort_entries(iter_start, iter_stop); -- 2.7.4 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
