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smp: Remove smp_call_function() and on_each_cpu() return values

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The return value is fixed. Remove it and amend the callers.

[ tglx: Fixup arm/bL_switcher and powerpc/rtas ]

Signed-off-by: Nadav Amit <namit@vmware.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: https://lkml.kernel.org/r/20190613064813.8102-2-namit@vmware.com
This commit is contained in:
Nadav Amit 2019-06-12 23:48:05 -07:00 • committed by Thomas Gleixner
parent a22793c79d
commit caa759323c
11 changed files with 27 additions and 53 deletions
Download patch file Download diff file Expand all files Collapse all files

7
include/linux/smp.h
View file

@ -35,7 +35,7 @@ int smp_call_function_single(int cpuid, smp_call_func_t func, void *info,
/*
* Call a function on all processors
*/
int on_each_cpu(smp_call_func_t func, void *info, int wait);
void on_each_cpu(smp_call_func_t func, void *info, int wait);
/*
* Call a function on processors specified by mask, which might include
@ -101,7 +101,7 @@ extern void smp_cpus_done(unsigned int max_cpus);
/*
* Call a function on all other processors
*/
int smp_call_function(smp_call_func_t func, void *info, int wait);
void smp_call_function(smp_call_func_t func, void *info, int wait);
void smp_call_function_many(const struct cpumask *mask,
smp_call_func_t func, void *info, bool wait);
@ -144,9 +144,8 @@ static inline void smp_send_stop(void) { }
* These macros fold the SMP functionality into a single CPU system
*/
#define raw_smp_processor_id() 0
static inline int up_smp_call_function(smp_call_func_t func, void *info)
static inline void up_smp_call_function(smp_call_func_t func, void *info)
{
return 0;
}
#define smp_call_function(func, info, wait) \
(up_smp_call_function(func, info))