linux-kernel - [PATCH 21/79] [PATCH] make __smp_prepare

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Message-Id: <12059476703608-git-send-email-gcosta@redhat.com>
Date:	Wed, 19 Mar 2008 14:25:16 -0300
From:	Glauber de Oliveira Costa <gcosta@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...ux-foundation.org, tglx@...utronix.de, mingo@...e.hu,
	ak@...e.de, Glauber Costa <gcosta@...hat.com>
Subject: [PATCH 21/79] [PATCH] make __smp_prepare_cpu void

From: Glauber Costa <gcosta@...hat.com>

We have already removed the only condition that could fail here.
so just don't test for any return value

Signed-off-by: Glauber Costa <gcosta@...hat.com>
---
 arch/x86/kernel/smpboot_32.c |   13 +++----------
 1 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c
index 147af81..ee6f3bd 100644
--- a/arch/x86/kernel/smpboot_32.c
+++ b/arch/x86/kernel/smpboot_32.c
@@ -704,11 +704,11 @@ static void __cpuinit do_warm_boot_cpu(struct work_struct *work)
 	complete(info->complete);
 }
 
-static int __cpuinit __smp_prepare_cpu(int cpu)
+static void __cpuinit __smp_prepare_cpu(int cpu)
 {
 	DECLARE_COMPLETION_ONSTACK(done);
 	struct warm_boot_cpu_info info;
-	int	apicid, ret;
+	int	apicid;
 
 	apicid = per_cpu(x86_cpu_to_apicid, cpu);
 
@@ -725,9 +725,6 @@ static int __cpuinit __smp_prepare_cpu(int cpu)
 	wait_for_completion(&done);
 
 	zap_low_mappings();
-	ret = 0;
-exit:
-	return ret;
 }
 #endif
 
@@ -950,7 +947,6 @@ int __cpuinit native_cpu_up(unsigned int cpu)
 {
 	int apicid = cpu_present_to_apicid(cpu);
 	unsigned long flags;
-	int ret = 0;
 
 	WARN_ON(irqs_disabled());
 
@@ -971,10 +967,7 @@ int __cpuinit native_cpu_up(unsigned int cpu)
 	 * when a cpu is taken offline from cpu_exit_clear().
 	 */
 	if (!cpu_isset(cpu, cpu_callin_map))
-		ret = __smp_prepare_cpu(cpu);
-
-	if (ret)
-		return -EIO;
+		__smp_prepare_cpu(cpu);
 #endif
 
 	/* In case one didn't come up */
-- 
1.5.0.6

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