10 files changed, 55 insertions, 70 deletions

diff --git a/arch/powerpc/platforms/pseries/dtl.c b/arch/powerpc/platforms/pseries/dtl.c
index 1062f71f5a85..39049e4884fb 100644
--- a/arch/powerpc/platforms/pseries/dtl.c
+++ b/arch/powerpc/platforms/pseries/dtl.c
@@ -75,7 +75,7 @@ static atomic_t dtl_count;
  */
 static void consume_dtle(struct dtl_entry *dtle, u64 index)
 {
-        struct dtl_ring *dtlr = &__get_cpu_var(dtl_rings);
+        struct dtl_ring *dtlr = this_cpu_ptr(&dtl_rings);
         struct dtl_entry *wp = dtlr->write_ptr;
         struct lppaca *vpa = local_paca->lppaca_ptr;
 
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index 1bbb78fab530..fa41f0da5b6f 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -12,7 +12,6 @@
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/memblock.h>
-#include <linux/vmalloc.h>
 #include <linux/memory.h>
 #include <linux/memory_hotplug.h>
 
@@ -66,22 +65,6 @@ unsigned long pseries_memory_block_size(void)
 }
 
 #ifdef CONFIG_MEMORY_HOTREMOVE
-static int pseries_remove_memory(u64 start, u64 size)
-{
-        int ret;
-
-        /* Remove htab bolted mappings for this section of memory */
-        start = (unsigned long)__va(start);
-        ret = remove_section_mapping(start, start + size);
-
-        /* Ensure all vmalloc mappings are flushed in case they also
-         * hit that section of memory
-         */
-        vm_unmap_aliases();
-
-        return ret;
-}
-
 static int pseries_remove_memblock(unsigned long base, unsigned int memblock_size)
 {
         unsigned long block_sz, start_pfn;
@@ -261,10 +244,6 @@ static int __init pseries_memory_hotplug_init(void)
         if (firmware_has_feature(FW_FEATURE_LPAR))
                 of_reconfig_notifier_register(&pseries_mem_nb);
 
-#ifdef CONFIG_MEMORY_HOTREMOVE
-        ppc_md.remove_memory = pseries_remove_memory;
-#endif
-
         return 0;
 }
 machine_device_initcall(pseries, pseries_memory_hotplug_init);
diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S
index 3fda3f17b84e..ccd53f91e8aa 100644
--- a/arch/powerpc/platforms/pseries/hvCall.S
+++ b/arch/powerpc/platforms/pseries/hvCall.S
@@ -18,7 +18,7 @@
         
 #ifdef CONFIG_TRACEPOINTS
 
-#ifndef CONFIG_JUMP_LABEL
+#ifndef HAVE_JUMP_LABEL
         .section        ".toc","aw"
 
         .globl hcall_tracepoint_refcount
@@ -78,7 +78,7 @@ hcall_tracepoint_refcount:
         mr      r5,BUFREG;                                      \
         __HCALL_INST_POSTCALL
 
-#ifdef CONFIG_JUMP_LABEL
+#ifdef HAVE_JUMP_LABEL
 #define HCALL_BRANCH(LABEL)                                     \
         ARCH_STATIC_BRANCH(LABEL, hcall_tracepoint_key)
 #else
diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c
index 4575f0c9e521..f02ec3ab428c 100644
--- a/arch/powerpc/platforms/pseries/hvCall_inst.c
+++ b/arch/powerpc/platforms/pseries/hvCall_inst.c
@@ -110,7 +110,7 @@ static void probe_hcall_entry(void *ignored, unsigned long opcode, unsigned long
         if (opcode > MAX_HCALL_OPCODE)
                 return;
 
-        h = &__get_cpu_var(hcall_stats)[opcode / 4];
+        h = this_cpu_ptr(&hcall_stats[opcode / 4]);
         h->tb_start = mftb();
         h->purr_start = mfspr(SPRN_PURR);
 }
@@ -123,7 +123,7 @@ static void probe_hcall_exit(void *ignored, unsigned long opcode, unsigned long
         if (opcode > MAX_HCALL_OPCODE)
                 return;
 
-        h = &__get_cpu_var(hcall_stats)[opcode / 4];
+        h = this_cpu_ptr(&hcall_stats[opcode / 4]);
         h->num_calls++;
         h->tb_total += mftb() - h->tb_start;
         h->purr_total += mfspr(SPRN_PURR) - h->purr_start;
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 3e5bfdafee63..1d3d52dc3ff3 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -199,7 +199,7 @@ static int tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
 
         local_irq_save(flags);  /* to protect tcep and the page behind it */
 
-        tcep = __get_cpu_var(tce_page);
+        tcep = __this_cpu_read(tce_page);
 
         /* This is safe to do since interrupts are off when we're called
          * from iommu_alloc{,_sg}()
@@ -212,7 +212,7 @@ static int tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
                         return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
                                             direction, attrs);
                 }
-                __get_cpu_var(tce_page) = tcep;
+                __this_cpu_write(tce_page, tcep);
         }
 
         rpn = __pa(uaddr) >> TCE_SHIFT;
@@ -398,7 +398,7 @@ static int tce_setrange_multi_pSeriesLP(unsigned long start_pfn,
         long l, limit;
 
         local_irq_disable();    /* to protect tcep and the page behind it */
-        tcep = __get_cpu_var(tce_page);
+        tcep = __this_cpu_read(tce_page);
 
         if (!tcep) {
                 tcep = (__be64 *)__get_free_page(GFP_ATOMIC);
@@ -406,7 +406,7 @@ static int tce_setrange_multi_pSeriesLP(unsigned long start_pfn,
                         local_irq_enable();
                         return -ENOMEM;
                 }
-                __get_cpu_var(tce_page) = tcep;
+                __this_cpu_write(tce_page, tcep);
         }
 
         proto_tce = TCE_PCI_READ | TCE_PCI_WRITE;
@@ -574,8 +574,7 @@ static void pci_dma_bus_setup_pSeries(struct pci_bus *bus)
         while (isa_dn && isa_dn != dn)
                 isa_dn = isa_dn->parent;
 
-        if (isa_dn_orig)
-                of_node_put(isa_dn_orig);
+        of_node_put(isa_dn_orig);
 
         /* Count number of direct PCI children of the PHB. */
         for (children = 0, tmp = dn->child; tmp; tmp = tmp->sibling)
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index f6880d2a40fb..469751d92004 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -284,7 +284,7 @@ static long pSeries_lpar_hpte_updatepp(unsigned long slot,
                                        unsigned long newpp,
                                        unsigned long vpn,
                                        int psize, int apsize,
-                                       int ssize, int local)
+                                       int ssize, unsigned long inv_flags)
 {
         unsigned long lpar_rc;
         unsigned long flags = (newpp & 7) | H_AVPN;
@@ -442,7 +442,7 @@ static void __pSeries_lpar_hugepage_invalidate(unsigned long *slot,
 static void pSeries_lpar_hugepage_invalidate(unsigned long vsid,
                                              unsigned long addr,
                                              unsigned char *hpte_slot_array,
-                                             int psize, int ssize)
+                                             int psize, int ssize, int local)
 {
         int i, index = 0;
         unsigned long s_addr = addr;
@@ -515,7 +515,7 @@ static void pSeries_lpar_flush_hash_range(unsigned long number, int local)
         unsigned long vpn;
         unsigned long i, pix, rc;
         unsigned long flags = 0;
-        struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch);
+        struct ppc64_tlb_batch *batch = this_cpu_ptr(&ppc64_tlb_batch);
         int lock_tlbie = !mmu_has_feature(MMU_FTR_LOCKLESS_TLBIE);
         unsigned long param[9];
         unsigned long hash, index, shift, hidx, slot;
@@ -705,7 +705,7 @@ void __trace_hcall_entry(unsigned long opcode, unsigned long *args)
 
         local_irq_save(flags);
 
-        depth = &__get_cpu_var(hcall_trace_depth);
+        depth = this_cpu_ptr(&hcall_trace_depth);
 
         if (*depth)
                 goto out;
@@ -730,7 +730,7 @@ void __trace_hcall_exit(long opcode, unsigned long retval,
 
         local_irq_save(flags);
 
-        depth = &__get_cpu_var(hcall_trace_depth);
+        depth = this_cpu_ptr(&hcall_trace_depth);
 
         if (*depth)
                 goto out;
diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index 11a3b617ef5d..054a0ed5c7ee 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -715,6 +715,8 @@ static int nvram_pstore_init(void)
         nvram_pstore_info.buf = oops_data;
         nvram_pstore_info.bufsize = oops_data_sz;
 
+        spin_lock_init(&nvram_pstore_info.buf_lock);
+
         rc = pstore_register(&nvram_pstore_info);
         if (rc != 0)
                 pr_err("nvram: pstore_register() failed, defaults to "
diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c
index 67e48594040c..fe16a50700de 100644
--- a/arch/powerpc/platforms/pseries/pci.c
+++ b/arch/powerpc/platforms/pseries/pci.c
@@ -134,7 +134,7 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge)
         of_node_put(pdn);
 
         if (rc) {
-                pr_err("no ibm,pcie-link-speed-stats property\n");
+                pr_debug("no ibm,pcie-link-speed-stats property\n");
                 return 0;
         }
 
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index 5a4d0fc03b03..c3b2a7e81ddb 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -302,8 +302,8 @@ static struct rtas_error_log *fwnmi_get_errinfo(struct pt_regs *regs)
         /* If it isn't an extended log we can use the per cpu 64bit buffer */
         h = (struct rtas_error_log *)&savep[1];
         if (!rtas_error_extended(h)) {
-                memcpy(&__get_cpu_var(mce_data_buf), h, sizeof(__u64));
-                errhdr = (struct rtas_error_log *)&__get_cpu_var(mce_data_buf);
+                memcpy(this_cpu_ptr(&mce_data_buf), h, sizeof(__u64));
+                errhdr = (struct rtas_error_log *)this_cpu_ptr(&mce_data_buf);
         } else {
                 int len, error_log_length;
 
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index ed8a90022a3d..e445b6701f50 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -500,7 +500,11 @@ static void __init pSeries_setup_arch(void)
 
         if (firmware_has_feature(FW_FEATURE_SET_MODE)) {
                 long rc;
-                if ((rc = pSeries_enable_reloc_on_exc()) != H_SUCCESS) {
+
+                rc = pSeries_enable_reloc_on_exc();
+                if (rc == H_P2) {
+                        pr_info("Relocation on exceptions not supported\n");
+                } else if (rc != H_SUCCESS) {
                         pr_warn("Unable to enable relocation on exceptions: "
                                 "%ld\n", rc);
                 }
@@ -660,6 +664,34 @@ static void __init pSeries_init_early(void)
         pr_debug(" <- pSeries_init_early()\n");
 }
 
+/**
+ * pseries_power_off - tell firmware about how to power off the system.
+ *
+ * This function calls either the power-off rtas token in normal cases
+ * or the ibm,power-off-ups token (if present & requested) in case of
+ * a power failure. If power-off token is used, power on will only be
+ * possible with power button press. If ibm,power-off-ups token is used
+ * it will allow auto poweron after power is restored.
+ */
+static void pseries_power_off(void)
+{
+        int rc;
+        int rtas_poweroff_ups_token = rtas_token("ibm,power-off-ups");
+
+        if (rtas_flash_term_hook)
+                rtas_flash_term_hook(SYS_POWER_OFF);
+
+        if (rtas_poweron_auto == 0 ||
+                rtas_poweroff_ups_token == RTAS_UNKNOWN_SERVICE) {
+                rc = rtas_call(rtas_token("power-off"), 2, 1, NULL, -1, -1);
+                printk(KERN_INFO "RTAS power-off returned %d\n", rc);
+        } else {
+                rc = rtas_call(rtas_poweroff_ups_token, 0, 1, NULL);
+                printk(KERN_INFO "RTAS ibm,power-off-ups returned %d\n", rc);
+        }
+        for (;;);
+}
+
 /*
  * Called very early, MMU is off, device-tree isn't unflattened
  */
@@ -742,6 +774,8 @@ static int __init pSeries_probe(void)
         else
                 hpte_init_native();
 
+        pm_power_off = pseries_power_off;
+
         pr_debug("Machine is%s LPAR !\n",
                  (powerpc_firmware_features & FW_FEATURE_LPAR) ? "" : " not");
 
@@ -755,34 +789,6 @@ static int pSeries_pci_probe_mode(struct pci_bus *bus)
         return PCI_PROBE_NORMAL;
 }
 
-/**
- * pSeries_power_off - tell firmware about how to power off the system.
- *
- * This function calls either the power-off rtas token in normal cases
- * or the ibm,power-off-ups token (if present & requested) in case of
- * a power failure. If power-off token is used, power on will only be
- * possible with power button press. If ibm,power-off-ups token is used
- * it will allow auto poweron after power is restored.
- */
-static void pSeries_power_off(void)
-{
-        int rc;
-        int rtas_poweroff_ups_token = rtas_token("ibm,power-off-ups");
-
-        if (rtas_flash_term_hook)
-                rtas_flash_term_hook(SYS_POWER_OFF);
-
-        if (rtas_poweron_auto == 0 ||
-                rtas_poweroff_ups_token == RTAS_UNKNOWN_SERVICE) {
-                rc = rtas_call(rtas_token("power-off"), 2, 1, NULL, -1, -1);
-                printk(KERN_INFO "RTAS power-off returned %d\n", rc);
-        } else {
-                rc = rtas_call(rtas_poweroff_ups_token, 0, 1, NULL);
-                printk(KERN_INFO "RTAS ibm,power-off-ups returned %d\n", rc);
-        }
-        for (;;);
-}
-
 #ifndef CONFIG_PCI
 void pSeries_final_fixup(void) { }
 #endif
@@ -797,7 +803,6 @@ define_machine(pseries) {
         .pcibios_fixup          = pSeries_final_fixup,
         .pci_probe_mode         = pSeries_pci_probe_mode,
         .restart                = rtas_restart,
-        .power_off              = pSeries_power_off,
         .halt                   = rtas_halt,
         .panic                  = rtas_os_term,
         .get_boot_time          = rtas_get_boot_time,