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-rw-r--r--arch/powerpc/platforms/pseries/cmm.c1
-rw-r--r--arch/powerpc/platforms/pseries/dlpar.c1
-rw-r--r--arch/powerpc/platforms/pseries/dtl.c1
-rw-r--r--arch/powerpc/platforms/pseries/eeh_cache.c1
-rw-r--r--arch/powerpc/platforms/pseries/eeh_event.c1
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-cpu.c42
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-memory.c7
-rw-r--r--arch/powerpc/platforms/pseries/nvram.c1
-rw-r--r--arch/powerpc/platforms/pseries/offline_states.h23
-rw-r--r--arch/powerpc/platforms/pseries/phyp_dump.c1
-rw-r--r--arch/powerpc/platforms/pseries/plpar_wrappers.h4
-rw-r--r--arch/powerpc/platforms/pseries/ras.c1
-rw-r--r--arch/powerpc/platforms/pseries/reconfig.c1
-rw-r--r--arch/powerpc/platforms/pseries/scanlog.c1
-rw-r--r--arch/powerpc/platforms/pseries/setup.c1
-rw-r--r--arch/powerpc/platforms/pseries/xics.c7
16 files changed, 58 insertions, 36 deletions
diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c
index a277f2e28db..f4803868642 100644
--- a/arch/powerpc/platforms/pseries/cmm.c
+++ b/arch/powerpc/platforms/pseries/cmm.c
@@ -24,6 +24,7 @@
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/fs.h>
+#include <linux/gfp.h>
#include <linux/init.h>
#include <linux/kthread.h>
#include <linux/module.h>
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 37bce52526d..e1682bc168a 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -16,6 +16,7 @@
#include <linux/proc_fs.h>
#include <linux/spinlock.h>
#include <linux/cpu.h>
+#include <linux/slab.h>
#include "offline_states.h"
#include <asm/prom.h>
diff --git a/arch/powerpc/platforms/pseries/dtl.c b/arch/powerpc/platforms/pseries/dtl.c
index c5f3116b6ca..a00addb5594 100644
--- a/arch/powerpc/platforms/pseries/dtl.c
+++ b/arch/powerpc/platforms/pseries/dtl.c
@@ -21,6 +21,7 @@
*/
#include <linux/init.h>
+#include <linux/slab.h>
#include <linux/debugfs.h>
#include <asm/smp.h>
#include <asm/system.h>
diff --git a/arch/powerpc/platforms/pseries/eeh_cache.c b/arch/powerpc/platforms/pseries/eeh_cache.c
index ce37040af87..30b987b73c2 100644
--- a/arch/powerpc/platforms/pseries/eeh_cache.c
+++ b/arch/powerpc/platforms/pseries/eeh_cache.c
@@ -23,6 +23,7 @@
#include <linux/list.h>
#include <linux/pci.h>
#include <linux/rbtree.h>
+#include <linux/slab.h>
#include <linux/spinlock.h>
#include <asm/atomic.h>
#include <asm/pci-bridge.h>
diff --git a/arch/powerpc/platforms/pseries/eeh_event.c b/arch/powerpc/platforms/pseries/eeh_event.c
index ec5df8f519c..2ec500c130b 100644
--- a/arch/powerpc/platforms/pseries/eeh_event.c
+++ b/arch/powerpc/platforms/pseries/eeh_event.c
@@ -22,6 +22,7 @@
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/workqueue.h>
#include <asm/eeh_event.h>
#include <asm/ppc-pci.h>
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index d1b124e44d7..a8e1d5d17a2 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -122,44 +122,32 @@ static void pseries_mach_cpu_die(void)
if (!get_lppaca()->shared_proc)
get_lppaca()->donate_dedicated_cpu = 1;
- printk(KERN_INFO
- "cpu %u (hwid %u) ceding for offline with hint %d\n",
- cpu, hwcpu, cede_latency_hint);
while (get_preferred_offline_state(cpu) == CPU_STATE_INACTIVE) {
extended_cede_processor(cede_latency_hint);
- printk(KERN_INFO "cpu %u (hwid %u) returned from cede.\n",
- cpu, hwcpu);
- printk(KERN_INFO
- "Decrementer value = %x Timebase value = %llx\n",
- get_dec(), get_tb());
}
- printk(KERN_INFO "cpu %u (hwid %u) got prodded to go online\n",
- cpu, hwcpu);
-
if (!get_lppaca()->shared_proc)
get_lppaca()->donate_dedicated_cpu = 0;
get_lppaca()->idle = 0;
- }
- if (get_preferred_offline_state(cpu) == CPU_STATE_ONLINE) {
- unregister_slb_shadow(hwcpu, __pa(get_slb_shadow()));
+ if (get_preferred_offline_state(cpu) == CPU_STATE_ONLINE) {
+ unregister_slb_shadow(hwcpu, __pa(get_slb_shadow()));
- /*
- * NOTE: Calling start_secondary() here for now to
- * start new context.
- * However, need to do it cleanly by resetting the
- * stack pointer.
- */
- start_secondary();
+ /*
+ * Call to start_secondary_resume() will not return.
+ * Kernel stack will be reset and start_secondary()
+ * will be called to continue the online operation.
+ */
+ start_secondary_resume();
+ }
+ }
- } else if (get_preferred_offline_state(cpu) == CPU_STATE_OFFLINE) {
+ /* Requested state is CPU_STATE_OFFLINE at this point */
+ WARN_ON(get_preferred_offline_state(cpu) != CPU_STATE_OFFLINE);
- set_cpu_current_state(cpu, CPU_STATE_OFFLINE);
- unregister_slb_shadow(hard_smp_processor_id(),
- __pa(get_slb_shadow()));
- rtas_stop_self();
- }
+ set_cpu_current_state(cpu, CPU_STATE_OFFLINE);
+ unregister_slb_shadow(hwcpu, __pa(get_slb_shadow()));
+ rtas_stop_self();
/* Should never get here... */
BUG();
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index 9b21ee68ea5..01e7b5bb3c1 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -11,6 +11,7 @@
#include <linux/of.h>
#include <linux/lmb.h>
+#include <linux/vmalloc.h>
#include <asm/firmware.h>
#include <asm/machdep.h>
#include <asm/pSeries_reconfig.h>
@@ -54,6 +55,12 @@ static int pseries_remove_lmb(unsigned long base, unsigned int lmb_size)
*/
start = (unsigned long)__va(base);
ret = remove_section_mapping(start, start + lmb_size);
+
+ /* Ensure all vmalloc mappings are flushed in case they also
+ * hit that section of memory
+ */
+ vm_unmap_aliases();
+
return ret;
}
diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index 42f7e384e6c..bc3c7f2abd7 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -15,7 +15,6 @@
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/init.h>
-#include <linux/slab.h>
#include <linux/spinlock.h>
#include <asm/uaccess.h>
#include <asm/nvram.h>
diff --git a/arch/powerpc/platforms/pseries/offline_states.h b/arch/powerpc/platforms/pseries/offline_states.h
index 22574e0d9d9..75a6f480d93 100644
--- a/arch/powerpc/platforms/pseries/offline_states.h
+++ b/arch/powerpc/platforms/pseries/offline_states.h
@@ -9,10 +9,31 @@ enum cpu_state_vals {
CPU_MAX_OFFLINE_STATES
};
+#ifdef CONFIG_HOTPLUG_CPU
extern enum cpu_state_vals get_cpu_current_state(int cpu);
extern void set_cpu_current_state(int cpu, enum cpu_state_vals state);
-extern enum cpu_state_vals get_preferred_offline_state(int cpu);
extern void set_preferred_offline_state(int cpu, enum cpu_state_vals state);
extern void set_default_offline_state(int cpu);
+#else
+static inline enum cpu_state_vals get_cpu_current_state(int cpu)
+{
+ return CPU_STATE_ONLINE;
+}
+
+static inline void set_cpu_current_state(int cpu, enum cpu_state_vals state)
+{
+}
+
+static inline void set_preferred_offline_state(int cpu, enum cpu_state_vals state)
+{
+}
+
+static inline void set_default_offline_state(int cpu)
+{
+}
+#endif
+
+extern enum cpu_state_vals get_preferred_offline_state(int cpu);
extern int start_secondary(void);
+extern void start_secondary_resume(void);
#endif
diff --git a/arch/powerpc/platforms/pseries/phyp_dump.c b/arch/powerpc/platforms/pseries/phyp_dump.c
index 225a50ab14b..7ebd9e88d36 100644
--- a/arch/powerpc/platforms/pseries/phyp_dump.c
+++ b/arch/powerpc/platforms/pseries/phyp_dump.c
@@ -11,6 +11,7 @@
*
*/
+#include <linux/gfp.h>
#include <linux/init.h>
#include <linux/kobject.h>
#include <linux/mm.h>
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h
index 0603c91538a..a05f8d42785 100644
--- a/arch/powerpc/platforms/pseries/plpar_wrappers.h
+++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h
@@ -259,12 +259,12 @@ static inline long plpar_ipi(unsigned long servernum, unsigned long mfrr)
return plpar_hcall_norets(H_IPI, servernum, mfrr);
}
-static inline long plpar_xirr(unsigned long *xirr_ret)
+static inline long plpar_xirr(unsigned long *xirr_ret, unsigned char cppr)
{
long rc;
unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
- rc = plpar_hcall(H_XIRR, retbuf);
+ rc = plpar_hcall(H_XIRR, retbuf, cppr);
*xirr_ret = retbuf[0];
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index d20b96e22c2..db940d2c39a 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -30,7 +30,6 @@
#include <linux/interrupt.h>
#include <linux/timex.h>
#include <linux/init.h>
-#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/random.h>
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index a2305d29bbb..1a58637bcea 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -15,6 +15,7 @@
#include <linux/kref.h>
#include <linux/notifier.h>
#include <linux/proc_fs.h>
+#include <linux/slab.h>
#include <asm/prom.h>
#include <asm/machdep.h>
diff --git a/arch/powerpc/platforms/pseries/scanlog.c b/arch/powerpc/platforms/pseries/scanlog.c
index 1b45c458f95..80e9e7652a4 100644
--- a/arch/powerpc/platforms/pseries/scanlog.c
+++ b/arch/powerpc/platforms/pseries/scanlog.c
@@ -26,6 +26,7 @@
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/delay.h>
+#include <linux/slab.h>
#include <asm/uaccess.h>
#include <asm/rtas.h>
#include <asm/prom.h>
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index ca5f2e10972..6710761bf60 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -23,7 +23,6 @@
#include <linux/mm.h>
#include <linux/stddef.h>
#include <linux/unistd.h>
-#include <linux/slab.h>
#include <linux/user.h>
#include <linux/tty.h>
#include <linux/major.h>
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 4ca641042ec..1bcedd8b461 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -120,12 +120,12 @@ static inline void direct_qirr_info(int n_cpu, u8 value)
/* LPAR low level accessors */
-static inline unsigned int lpar_xirr_info_get(void)
+static inline unsigned int lpar_xirr_info_get(unsigned char cppr)
{
unsigned long lpar_rc;
unsigned long return_value;
- lpar_rc = plpar_xirr(&return_value);
+ lpar_rc = plpar_xirr(&return_value, cppr);
if (lpar_rc != H_SUCCESS)
panic(" bad return code xirr - rc = %lx\n", lpar_rc);
return (unsigned int)return_value;
@@ -331,7 +331,8 @@ static unsigned int xics_get_irq_direct(void)
static unsigned int xics_get_irq_lpar(void)
{
- unsigned int xirr = lpar_xirr_info_get();
+ struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr);
+ unsigned int xirr = lpar_xirr_info_get(os_cppr->stack[os_cppr->index]);
unsigned int vec = xics_xirr_vector(xirr);
unsigned int irq;