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Groups > linux.kernel > #1212080
| From | Kevin Hao <haokexin@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 1/6] jump_label: make it possible for the archs to invoke jump_label_init() much earlier |
| Date | 2015-08-24 13:30 +0200 |
| Message-ID | <q0Y6R-6gu-1@gated-at.bofh.it> (permalink) |
| References | <q0Y6R-6gu-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 <haokexin@gmail.com> --- v2: No change. kernel/jump_label.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/jump_label.c b/kernel/jump_label.c index f7dd15d537f9..cfc7d7b65432 100644 --- a/kernel/jump_label.c +++ b/kernel/jump_label.c @@ -205,6 +205,9 @@ 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); -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v2 1/6] jump_label: make it possible for the archs to invoke jump_label_init() much earlier Kevin Hao <haokexin@gmail.com> - 2015-08-24 13:30 +0200
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