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kernel/smp.c: remove 'priv' of call_single_data 

The 'priv' field is redundant; we can pass data via 'info'.

Signed-off-by: liguang <lig.fnst@cn.fujitsu.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
liguang 2013-04-30 15:27:26 -07:00 committed by Linus Torvalds
parent 1def1dc917
commit 3440a1ca99
2 changed files with 2 additions and 5 deletions
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1
include/linux/smp.h
View File

@ -20,7 +20,6 @@ struct call_single_data {
smp_call_func_t func;
void *info;
u16 flags;
u16 priv;
};
/* total number of cpus in this system (may exceed NR_CPUS) */

6
kernel/softirq.c
View File

@ -620,8 +620,7 @@ static void remote_softirq_receive(void *data)
unsigned long flags;
int softirq;
softirq = cp->priv;
softirq = *(int *)cp->info;
local_irq_save(flags);
__local_trigger(cp, softirq);
local_irq_restore(flags);
@ -631,9 +630,8 @@ static int __try_remote_softirq(struct call_single_data *cp, int cpu, int softir
{
if (cpu_online(cpu)) {
cp->func = remote_softirq_receive;
cp->info = cp;
cp->info = &softirq;
cp->flags = 0;
cp->priv = softirq;
__smp_call_function_single(cpu, cp, 0);
return 0;