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x86: Mark atomic irq ops raw for 32bit legacy
The atomic ops emulation for 32bit legacy CPUs floods the tracer with irq off/on entries. The irq disabled regions are short and therefor not interesting when chasing long irq disabled latencies. Mark them raw and keep them out of the trace. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -187,10 +187,10 @@ static inline int atomic_add_return(int i, atomic_t *v)
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#ifdef CONFIG_M386
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no_xadd: /* Legacy 386 processor */
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local_irq_save(flags);
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raw_local_irq_save(flags);
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__i = atomic_read(v);
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atomic_set(v, i + __i);
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local_irq_restore(flags);
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raw_local_irq_restore(flags);
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return i + __i;
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#endif
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}
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