diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries')
-rw-r--r-- | arch/powerpc/platforms/pseries/cmm.c | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/dlpar.c | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/dtl.c | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/eeh_cache.c | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/eeh_event.c | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/hotplug-cpu.c | 42 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/hotplug-memory.c | 7 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/nvram.c | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/offline_states.h | 23 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/phyp_dump.c | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/plpar_wrappers.h | 4 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/ras.c | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/reconfig.c | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/scanlog.c | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/setup.c | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/xics.c | 7 |
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; |