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Subject[RFC][PATCH 3/7] smp: Move irq_work_run() out of flush_smp_call_function_queue()
This ensures flush_smp_call_function_queue() is strictly about
call_single_queue.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
kernel/smp.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)

--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -84,6 +84,7 @@ int smpcfd_dying_cpu(unsigned int cpu)
* still pending.
*/
flush_smp_call_function_queue(false);
+ irq_work_run();
return 0;
}

@@ -191,6 +192,14 @@ static int generic_exec_single(int cpu,
void generic_smp_call_function_single_interrupt(void)
{
flush_smp_call_function_queue(true);
+
+ /*
+ * Handle irq works queued remotely by irq_work_queue_on().
+ * Smp functions above are typically synchronous so they
+ * better run first since some other CPUs may be busy waiting
+ * for them.
+ */
+ irq_work_run();
}

/**
@@ -267,14 +276,6 @@ static void flush_smp_call_function_queu
csd_unlock(csd);
func(info);
}
-
- /*
- * Handle irq works queued remotely by irq_work_queue_on().
- * Smp functions above are typically synchronous so they
- * better run first since some other CPUs may be busy waiting
- * for them.
- */
- irq_work_run();
}

/*

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