i386: make Oprofile call shutdown() only once per session
Oprofile: call model->shutdown() only once to avoid calling release_ev*() multiple times [ tglx: arch/x86 adaptation ] Signed-off-by: Stephane Eranian <eranian@hpl.hp.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -269,7 +269,6 @@ static void nmi_cpu_shutdown(void * dummy)
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apic_write(APIC_LVTPC, saved_lvtpc[cpu]);
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apic_write(APIC_LVTPC, saved_lvtpc[cpu]);
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apic_write(APIC_LVTERR, v);
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apic_write(APIC_LVTERR, v);
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nmi_restore_registers(msrs);
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nmi_restore_registers(msrs);
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model->shutdown(msrs);
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}
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}
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@ -278,6 +277,7 @@ static void nmi_shutdown(void)
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nmi_enabled = 0;
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nmi_enabled = 0;
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on_each_cpu(nmi_cpu_shutdown, NULL, 0, 1);
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on_each_cpu(nmi_cpu_shutdown, NULL, 0, 1);
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unregister_die_notifier(&profile_exceptions_nb);
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unregister_die_notifier(&profile_exceptions_nb);
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model->shutdown(cpu_msrs);
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free_msrs();
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free_msrs();
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}
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}
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