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authorNathan Fontenot <nfont@austin.ibm.com>2010-01-14 09:52:44 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-01-15 13:26:18 +1100
commitd0174c721900ff807b95ac4ab23191ffcb7511c7 (patch)
tree7f88a45d99e689d754f7ed4240403622d6ca3128 /arch
parent9becd2a0d6a7996669a606b9da33cee6d413acb0 (diff)
powerpc: Move cpu hotplug driver lock from pseries to powerpc
Move the defintion and lock helper routines for the cpu hotplug driver lock from pseries to powerpc code to avoid build breaks for platforms other than pseries that use cpu hotplug. Signed-off-by: Nathan Fontenot <nfont@austin.ibm.com> Acked-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kernel/smp.c12
-rw-r--r--arch/powerpc/platforms/pseries/dlpar.c14
2 files changed, 12 insertions, 14 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index a521fb8a40ee..c2ee14498077 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -619,4 +619,16 @@ void __cpu_die(unsigned int cpu)
if (smp_ops->cpu_die)
smp_ops->cpu_die(cpu);
}
+
+static DEFINE_MUTEX(powerpc_cpu_hotplug_driver_mutex);
+
+void cpu_hotplug_driver_lock()
+{
+ mutex_lock(&powerpc_cpu_hotplug_driver_mutex);
+}
+
+void cpu_hotplug_driver_unlock()
+{
+ mutex_unlock(&powerpc_cpu_hotplug_driver_mutex);
+}
#endif
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 3bd8df8af70b..37bce52526da 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -346,20 +346,6 @@ int dlpar_release_drc(u32 drc_index)
#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
-static DEFINE_MUTEX(pseries_cpu_hotplug_mutex);
-
-void cpu_hotplug_driver_lock(void)
-__acquires(pseries_cpu_hotplug_mutex)
-{
- mutex_lock(&pseries_cpu_hotplug_mutex);
-}
-
-void cpu_hotplug_driver_unlock(void)
-__releases(pseries_cpu_hotplug_mutex)
-{
- mutex_unlock(&pseries_cpu_hotplug_mutex);
-}
-
static int dlpar_online_cpu(struct device_node *dn)
{
int rc = 0;