Messages in this thread Patch in this message | | | Date | Tue, 30 Jun 2015 03:29:55 +0200 | From | Oleg Nesterov <> | Subject | [PATCH 4/5] stop_machine: use cpu_stop_fn_t where possible |
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Cosmetic, but cpu_stop_fn_t actually makes the code more readable and it doesn't break cscope. And most of the declarations already use it.
Signed-off-by: Oleg Nesterov <oleg@redhat.com> --- include/linux/stop_machine.h | 8 ++++---- kernel/stop_machine.c | 8 ++++---- 2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h index 0fca276..414d924 100644 --- a/include/linux/stop_machine.h +++ b/include/linux/stop_machine.h @@ -112,13 +112,13 @@ static inline int try_stop_cpus(const struct cpumask *cpumask, * * This can be thought of as a very heavy write lock, equivalent to * grabbing every spinlock in the kernel. */ -int stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus); +int stop_machine(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus); -int stop_machine_from_inactive_cpu(int (*fn)(void *), void *data, +int stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus); #else /* CONFIG_STOP_MACHINE && CONFIG_SMP */ -static inline int stop_machine(int (*fn)(void *), void *data, +static inline int stop_machine(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus) { unsigned long flags; @@ -129,7 +129,7 @@ static inline int stop_machine(int (*fn)(void *), void *data, return ret; } -static inline int stop_machine_from_inactive_cpu(int (*fn)(void *), void *data, +static inline int stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus) { return stop_machine(fn, data, cpus); diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c index b50910d..9a70def 100644 --- a/kernel/stop_machine.c +++ b/kernel/stop_machine.c @@ -141,7 +141,7 @@ enum multi_stop_state { }; struct multi_stop_data { - int (*fn)(void *); + cpu_stop_fn_t fn; void *data; /* Like num_online_cpus(), but hotplug cpu uses us, so we need this. */ unsigned int num_threads; @@ -513,7 +513,7 @@ early_initcall(cpu_stop_init); #ifdef CONFIG_STOP_MACHINE -static int __stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus) +static int __stop_machine(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus) { struct multi_stop_data msdata = { .fn = fn, @@ -546,7 +546,7 @@ static int __stop_machine(int (*fn)(void *), void *data, const struct cpumask *c return stop_cpus(cpu_online_mask, multi_cpu_stop, &msdata); } -int stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus) +int stop_machine(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus) { int ret; @@ -580,7 +580,7 @@ EXPORT_SYMBOL_GPL(stop_machine); * 0 if all executions of @fn returned 0, any non zero return value if any * returned non zero. */ -int stop_machine_from_inactive_cpu(int (*fn)(void *), void *data, +int stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus) { struct multi_stop_data msdata = { .fn = fn, .data = data, -- 1.5.5.1
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