The patch titled
cpu: change cpu_sys_devices from array to per_cpu variable
has been removed from the -mm tree. Its filename was
cpu-change-cpu_sys_devices-from-array-to-per_cpu-variable.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: cpu: change cpu_sys_devices from array to per_cpu variable
From: Mike Travis <travis@xxxxxxx>
Change cpu_sys_devices from array to per_cpu variable in drivers/base/cpu.c.
Signed-off-by: Mike Travis <travis@xxxxxxx>
Cc: Ashok Raj <ashok.raj@xxxxxxxxx>
Cc: Vivek Goyal <vgoyal@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
Cc: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
Cc: Kay Sievers <kay.sievers@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/base/cpu.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff -puN drivers/base/cpu.c~cpu-change-cpu_sys_devices-from-array-to-per_cpu-variable drivers/base/cpu.c
--- a/drivers/base/cpu.c~cpu-change-cpu_sys_devices-from-array-to-per_cpu-variable
+++ a/drivers/base/cpu.c
@@ -18,7 +18,7 @@ struct sysdev_class cpu_sysdev_class = {
};
EXPORT_SYMBOL(cpu_sysdev_class);
-static struct sys_device *cpu_sys_devices[NR_CPUS];
+static DEFINE_PER_CPU(struct sys_device *, cpu_sys_devices);
#ifdef CONFIG_HOTPLUG_CPU
static ssize_t show_online(struct sys_device *dev, char *buf)
@@ -68,7 +68,7 @@ void unregister_cpu(struct cpu *cpu)
sysdev_remove_file(&cpu->sysdev, &attr_online);
sysdev_unregister(&cpu->sysdev);
- cpu_sys_devices[logical_cpu] = NULL;
+ per_cpu(cpu_sys_devices, logical_cpu) = NULL;
return;
}
#else /* ... !CONFIG_HOTPLUG_CPU */
@@ -167,7 +167,7 @@ int __cpuinit register_cpu(struct cpu *c
if (!error && cpu->hotpluggable)
register_cpu_control(cpu);
if (!error)
- cpu_sys_devices[num] = &cpu->sysdev;
+ per_cpu(cpu_sys_devices, num) = &cpu->sysdev;
if (!error)
register_cpu_under_node(num, cpu_to_node(num));
@@ -180,8 +180,8 @@ int __cpuinit register_cpu(struct cpu *c
struct sys_device *get_cpu_sysdev(unsigned cpu)
{
- if (cpu < NR_CPUS)
- return cpu_sys_devices[cpu];
+ if (cpu < nr_cpu_ids && cpu_possible(cpu))
+ return per_cpu(cpu_sys_devices, cpu);
else
return NULL;
}
_
Patches currently in -mm which might be from travis@xxxxxxx are
origin.patch
show_schedstat-fix-memleak.patch
drivers-base-topologyc-add-conditionals-around-show_cpumap.patch
cpufreq-change-cpu-freq-arrays-to-per_cpu-variables.patch
acpi-change-processors-from-array-to-per_cpu-variable.patch
net-remove-nr_cpus-arrays-in-net-core-devc-v2.patch
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