diff options
-rw-r--r-- | MAINTAINERS | 16 | ||||
-rw-r--r-- | kernel/jump_label.c | 8 | ||||
-rw-r--r-- | kernel/softirq.c | 2 |
3 files changed, 22 insertions, 4 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 154c87032bae..546aa66428c9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -16917,6 +16917,22 @@ M: Ion Badulescu <ionut@badula.org> S: Odd Fixes F: drivers/net/ethernet/adaptec/starfire* +STATIC BRANCH/CALL +M: Peter Zijlstra <peterz@infradead.org> +M: Josh Poimboeuf <jpoimboe@redhat.com> +M: Jason Baron <jbaron@akamai.com> +R: Steven Rostedt <rostedt@goodmis.org> +R: Ard Biesheuvel <ardb@kernel.org> +S: Supported +F: arch/*/include/asm/jump_label*.h +F: arch/*/include/asm/static_call*.h +F: arch/*/kernel/jump_label.c +F: arch/*/kernel/static_call.c +F: include/linux/jump_label*.h +F: include/linux/static_call*.h +F: kernel/jump_label.c +F: kernel/static_call.c + STEC S1220 SKD DRIVER M: Damien Le Moal <Damien.LeMoal@wdc.com> L: linux-block@vger.kernel.org diff --git a/kernel/jump_label.c b/kernel/jump_label.c index 015ef903ce8c..c6a39d662935 100644 --- a/kernel/jump_label.c +++ b/kernel/jump_label.c @@ -793,6 +793,7 @@ int jump_label_text_reserved(void *start, void *end) static void jump_label_update(struct static_key *key) { struct jump_entry *stop = __stop___jump_table; + bool init = system_state < SYSTEM_RUNNING; struct jump_entry *entry; #ifdef CONFIG_MODULES struct module *mod; @@ -804,15 +805,16 @@ static void jump_label_update(struct static_key *key) preempt_disable(); mod = __module_address((unsigned long)key); - if (mod) + if (mod) { stop = mod->jump_entries + mod->num_jump_entries; + init = mod->state == MODULE_STATE_COMING; + } preempt_enable(); #endif entry = static_key_entries(key); /* if there are no users, entry can be NULL */ if (entry) - __jump_label_update(key, entry, stop, - system_state < SYSTEM_RUNNING); + __jump_label_update(key, entry, stop, init); } #ifdef CONFIG_STATIC_KEYS_SELFTEST diff --git a/kernel/softirq.c b/kernel/softirq.c index d5bfd5e661fc..9d71046ea247 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -186,7 +186,7 @@ void __local_bh_enable_ip(unsigned long ip, unsigned int cnt) * Keep preemption disabled until we are done with * softirq processing: */ - preempt_count_sub(cnt - 1); + __preempt_count_sub(cnt - 1); if (unlikely(!in_interrupt() && local_softirq_pending())) { /* |