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smp: Cleanup smp_call_function*()

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Get rid of the __call_single_node union and cleanup the API a little
to avoid external code relying on the structure layout as much.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
This commit is contained in:
Peter Zijlstra 2020-06-15 11:29:31 +02:00
parent 7a9f50a058
commit 545b8c8df4
13 changed files with 61 additions and 95 deletions
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5
arch/mips/kernel/process.c
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@ -702,7 +702,6 @@ unsigned long arch_align_stack(unsigned long sp)
return sp & ALMASK;
}
static DEFINE_PER_CPU(call_single_data_t, backtrace_csd);
static struct cpumask backtrace_csd_busy;
static void handle_backtrace(void *info)
@ -711,6 +710,9 @@ static void handle_backtrace(void *info)
cpumask_clear_cpu(smp_processor_id(), &backtrace_csd_busy);
}
static DEFINE_PER_CPU(call_single_data_t, backtrace_csd) =
CSD_INIT(handle_backtrace, NULL);
static void raise_backtrace(cpumask_t *mask)
{
call_single_data_t *csd;
@ -730,7 +732,6 @@ static void raise_backtrace(cpumask_t *mask)
}
csd = &per_cpu(backtrace_csd, cpu);
csd->func = handle_backtrace;
smp_call_function_single_async(cpu, csd);
}
}