[PATCH 3/3] um: Avoid raw handling of cpu_online_map

From: Venkatesh Pallipadi
Date: Tue Feb 14 2012 - 17:52:48 EST


Use init_cpu_online and set_cpu_online instead.

Signed-off-by: Venkatesh Pallipadi <venki@xxxxxxxxxx>
---
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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