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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2019-06-08 13:13:57 +0300 |
|---|---|---|
| committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2019-06-15 13:25:55 +0300 |
| commit | 4ecf0a43e729a7e641d800c294faabe87378fc05 (patch) | |
| tree | d7c164a2215c69a17b319076b64dd99ea1f85351 /include/linux/stop_machine.h | |
| parent | 38f2c691a4b3e89d476f8e8350d1ca299974b89d (diff) | |
| download | linux-4ecf0a43e729a7e641d800c294faabe87378fc05.tar.xz | |
processor: get rid of cpu_relax_yield
stop_machine is the only user left of cpu_relax_yield. Given that it
now has special semantics which are tied to stop_machine introduce a
weak stop_machine_yield function which architectures can override, and
get rid of the generic cpu_relax_yield implementation.
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'include/linux/stop_machine.h')
| -rw-r--r-- | include/linux/stop_machine.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h index 6d3635c86dbe..f9a0c6189852 100644 --- a/include/linux/stop_machine.h +++ b/include/linux/stop_machine.h @@ -36,6 +36,7 @@ int stop_cpus(const struct cpumask *cpumask, cpu_stop_fn_t fn, void *arg); int try_stop_cpus(const struct cpumask *cpumask, cpu_stop_fn_t fn, void *arg); void stop_machine_park(int cpu); void stop_machine_unpark(int cpu); +void stop_machine_yield(const struct cpumask *cpumask); #else /* CONFIG_SMP */ |