linux-kernel - [PATCH] make Oprofile call shutdown() only once per session

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Date:	Fri, 27 Jul 2007 05:36:57 -0700
From:	Stephane Eranian <eranian@....hp.com>
To:	linux-kernel@...r.kernel.org
Cc:	ak@...e.de, akpm@...ux-foundation.org,
	oprofile-list@...ts.sourceforge.net,
	Stephane Eranian <eranian@....hp.com>
Subject: [PATCH] make Oprofile call shutdown() only once per session

    Oprofile: call model->shutdown() only once to avoid calling release_ev*() multiple times
    
    signed-off-by: Stephane Eranian <eranian@....hp.com>

diff --git a/arch/i386/oprofile/nmi_int.c b/arch/i386/oprofile/nmi_int.c
index 11b7a51..2d0eeac 100644
--- a/arch/i386/oprofile/nmi_int.c
+++ b/arch/i386/oprofile/nmi_int.c
@@ -269,7 +269,6 @@ static void nmi_cpu_shutdown(void * dummy)
 	apic_write(APIC_LVTPC, saved_lvtpc[cpu]);
 	apic_write(APIC_LVTERR, v);
 	nmi_restore_registers(msrs);
-	model->shutdown(msrs);
 }
 
  
@@ -278,6 +277,7 @@ static void nmi_shutdown(void)
 	nmi_enabled = 0;
 	on_each_cpu(nmi_cpu_shutdown, NULL, 0, 1);
 	unregister_die_notifier(&profile_exceptions_nb);
+	model->shutdown(cpu_msrs);
 	free_msrs();
 }
 
-
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