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| author | Thomas Gleixner <tglx@linutronix.de> | 2020-05-12 09:44:43 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-05-15 19:52:53 +0200 |
| commit | 0adeeee7dd32b29e2f0d911a48aeac05475766fc (patch) | |
| tree | 5efc34d20d5698a9d55e2eda03bb7298bdb5f1c4 /crypto/crypto_engine.c | |
| parent | f03d6326bf505a1187695d467f1e3a33692e65a9 (diff) | |
rcu: Provide __rcu_is_watching()noinstr-rcu-nmi-2020-05-15
Same as rcu_is_watching() but without the preempt_disable/enable() pair
inside the function. It is merked noinstr so it ends up in the
non-instrumentable text section.
This is useful for non-preemptible code especially in the low level entry
section. Using rcu_is_watching() there results in a call to the
preempt_schedule_notrace() thunk which triggers noinstr section warnings in
objtool.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'crypto/crypto_engine.c')
0 files changed, 0 insertions, 0 deletions