linux-kernel - [PATCH 3/3] um: Avoid raw handling of cpu_online

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Date:	Tue, 14 Feb 2012 14:49:44 -0800
From:	Venkatesh Pallipadi <venki@...gle.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Tony Luck <tony.luck@...il.com>,
	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KOSAKI Motohiro <kosaki.motohiro@...il.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Mike Travis <travis@....com>,
	"Paul E. McKenney" <paul.mckenney@...aro.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	linux-kernel@...r.kernel.org, Richard Kuo <rkuo@...eaurora.org>,
	linux-hexagon@...r.kernel.org, Ralf Baechle <ralf@...ux-mips.org>,
	linux-mips@...ux-mips.org, Jeff Dike <jdike@...toit.com>,
	Richard Weinberger <richard@....at>,
	user-mode-linux-devel@...ts.sourceforge.net,
	Venkatesh Pallipadi <venki@...gle.com>
Subject: [PATCH 3/3] um: Avoid raw handling of cpu_online_map

Use init_cpu_online and set_cpu_online instead.

Signed-off-by: Venkatesh Pallipadi <venki@...gle.com>
---
 arch/um/kernel/skas/process.c |    2 +-
 arch/um/kernel/smp.c          |    8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/um/kernel/skas/process.c b/arch/um/kernel/skas/process.c
index 2e9852c..5daa0f5 100644
--- a/arch/um/kernel/skas/process.c
+++ b/arch/um/kernel/skas/process.c
@@ -41,7 +41,7 @@ static int __init start_kernel_proc(void *unused)
 	cpu_tasks[0].pid = pid;
 	cpu_tasks[0].task = current;
 #ifdef CONFIG_SMP
-	cpu_online_map = cpumask_of_cpu(0);
+	init_cpu_online(cpumask_of(0));
 #endif
 	start_kernel();
 	return 0;
diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c
index 155206a..b5d2ca9 100644
--- a/arch/um/kernel/smp.c
+++ b/arch/um/kernel/smp.c
@@ -76,7 +76,7 @@ static int idle_proc(void *cpup)
 		cpu_relax();
 
 	notify_cpu_starting(cpu);
-	cpu_set(cpu, cpu_online_map);
+	set_cpu_online(cpu, true);
 	default_idle();
 	return 0;
 }
@@ -110,8 +110,8 @@ void smp_prepare_cpus(unsigned int maxcpus)
 	for (i = 0; i < ncpus; ++i)
 		set_cpu_possible(i, true);
 
-	cpu_clear(me, cpu_online_map);
-	cpu_set(me, cpu_online_map);
+	set_cpu_online(me, false);
+	set_cpu_online(me, true);
 	cpu_set(me, cpu_callin_map);
 
 	err = os_pipe(cpu_data[me].ipi_pipe, 1, 1);
@@ -138,7 +138,7 @@ void smp_prepare_cpus(unsigned int maxcpus)
 
 void smp_prepare_boot_cpu(void)
 {
-	cpu_set(smp_processor_id(), cpu_online_map);
+	set_cpu_online(smp_processor_id(), true);
 }
 
 int __cpu_up(unsigned int cpu)
-- 
1.7.7.3

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