Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] IOSAPIC bogus error cleanup
  [IA64] Update printing of feature set bits
  [IA64] Fix IOSAPIC delivery mode setting
  [IA64] XPC heartbeat timer function must run on CPU 0
  [IA64] Clean up /proc/interrupts output
  [IA64] Disable/re-enable CPE interrupts on Altix
  [IA64] Clean-up McKinley Errata message
  [IA64] Add gate.lds to list of files ignored by Git
  [IA64] Fix section mismatch in contig.c version of per_cpu_init()
  [IA64] Wrong args to memset in efi_gettimeofday()
  [IA64] Remove duplicate includes from ia32priv.h
  [IA64] fix number of bytes zeroed by sys_fw_init() in arch/ia64/hp/sim/boot/fw-emu.c
  [IA64] Fix perfmon sysctl directory modes

15 files changed, 165 insertions, 75 deletions

diff --git a/arch/ia64/hp/sim/boot/fw-emu.c b/arch/ia64/hp/sim/boot/fw-emu.c
index 1189d035d316..bf6d9d8c802f 100644
--- a/arch/ia64/hp/sim/boot/fw-emu.c
+++ b/arch/ia64/hp/sim/boot/fw-emu.c
@@ -285,7 +285,7 @@ sys_fw_init (const char *args, int arglen)
         }
         cmd_line[arglen] = '\0';
 
-        memset(efi_systab, 0, sizeof(efi_systab));
+        memset(efi_systab, 0, sizeof(*efi_systab));
         efi_systab->hdr.signature = EFI_SYSTEM_TABLE_SIGNATURE;
         efi_systab->hdr.revision  = ((1 << 16) | 00);
         efi_systab->hdr.headersize = sizeof(efi_systab->hdr);
diff --git a/arch/ia64/ia32/ia32priv.h b/arch/ia64/ia32/ia32priv.h
index 466bbcb138b2..c5c872b250da 100644
--- a/arch/ia64/ia32/ia32priv.h
+++ b/arch/ia64/ia32/ia32priv.h
@@ -290,7 +290,6 @@ struct old_linux32_dirent {
 #define _ASM_IA64_ELF_H         /* Don't include elf.h */
 
 #include <linux/sched.h>
-#include <asm/processor.h>
 
 /*
  * This is used to ensure we don't load something for the wrong architecture.
diff --git a/arch/ia64/kernel/.gitignore b/arch/ia64/kernel/.gitignore
new file mode 100644
index 000000000000..98307759a3b8
--- /dev/null
+++ b/arch/ia64/kernel/.gitignore
@@ -0,0 +1 @@
+gate.lds
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 3d45d24a9d61..897e2083a3b1 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -678,9 +678,11 @@ int __init acpi_boot_init(void)
         /* I/O APIC */
 
         if (acpi_table_parse_madt
-            (ACPI_MADT_TYPE_IO_SAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1)
-                printk(KERN_ERR PREFIX
-                       "Error parsing MADT - no IOSAPIC entries\n");
+            (ACPI_MADT_TYPE_IO_SAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1) {
+                if (!ia64_platform_is("sn2"))
+                        printk(KERN_ERR PREFIX
+                               "Error parsing MADT - no IOSAPIC entries\n");
+        }
 
         /* System-Level Interrupt Routing */
 
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 6216eba2e38f..5181bf551f3c 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -218,9 +218,10 @@ efi_gettimeofday (struct timespec *ts)
 {
         efi_time_t tm;
 
-        memset(ts, 0, sizeof(ts));
-        if ((*efi.get_time)(&tm, NULL) != EFI_SUCCESS)
+        if ((*efi.get_time)(&tm, NULL) != EFI_SUCCESS) {
+                memset(ts, 0, sizeof(*ts));
                 return;
+        }
 
         ts->tv_sec = mktime(tm.year, tm.month, tm.day, tm.hour, tm.minute, tm.second);
         ts->tv_nsec = tm.nanosecond;
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index cfe4654838f4..274a59383043 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -748,6 +748,15 @@ skip_numa_setup:
 #endif
 }
 
+static inline unsigned char choose_dmode(void)
+{
+#ifdef CONFIG_SMP
+        if (smp_int_redirect & SMP_IRQ_REDIRECTION)
+                return IOSAPIC_LOWEST_PRIORITY;
+#endif
+        return IOSAPIC_FIXED;
+}
+
 /*
  * ACPI can describe IOSAPIC interrupts via static tables and namespace
  * methods.  This provides an interface to register those interrupts and
@@ -762,6 +771,7 @@ iosapic_register_intr (unsigned int gsi,
         unsigned long flags;
         struct iosapic_rte_info *rte;
         u32 low32;
+        unsigned char dmode;
 
         /*
          * If this GSI has already been registered (i.e., it's a
@@ -791,8 +801,8 @@ iosapic_register_intr (unsigned int gsi,
 
         spin_lock(&irq_desc[irq].lock);
         dest = get_target_cpu(gsi, irq);
-        err = register_intr(gsi, irq, IOSAPIC_LOWEST_PRIORITY,
-                            polarity, trigger);
+        dmode = choose_dmode();
+        err = register_intr(gsi, irq, dmode, polarity, trigger);
         if (err < 0) {
                 spin_unlock(&irq_desc[irq].lock);
                 irq = err;
@@ -961,10 +971,12 @@ iosapic_override_isa_irq (unsigned int isa_irq, unsigned int gsi,
 {
         int vector, irq;
         unsigned int dest = cpu_physical_id(smp_processor_id());
+        unsigned char dmode;
 
         irq = vector = isa_irq_to_vector(isa_irq);
         BUG_ON(bind_irq_vector(irq, vector, CPU_MASK_ALL));
-        register_intr(gsi, irq, IOSAPIC_LOWEST_PRIORITY, polarity, trigger);
+        dmode = choose_dmode();
+        register_intr(gsi, irq, dmode, polarity, trigger);
 
         DBG("ISA: IRQ %u -> GSI %u (%s,%s) -> CPU %d (0x%04x) vector %d\n",
             isa_irq, gsi, trigger == IOSAPIC_EDGE ? "edge" : "level",
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index 44be1c952b7c..6dee579f205f 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -61,9 +61,11 @@ int show_interrupts(struct seq_file *p, void *v)
         unsigned long flags;
 
         if (i == 0) {
-                seq_printf(p, "           ");
+                char cpuname[16];
+                seq_printf(p, "     ");
                 for_each_online_cpu(j) {
-                        seq_printf(p, "CPU%d       ",j);
+                        snprintf(cpuname, 10, "CPU%d", j);
+                        seq_printf(p, "%10s ", cpuname);
                 }
                 seq_putc(p, '\n');
         }
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index cc87025e8f54..10b48cd15a87 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -571,7 +571,7 @@ out:
  *  Outputs
  *      None
  */
-static void __init
+void
 ia64_mca_register_cpev (int cpev)
 {
         /* Register the CPE interrupt vector with SAL */
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index 6ef6ffb943a0..396004e8cd14 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -470,7 +470,7 @@ register_info(char *page)
         return p - page;
 }
 
-static const char *proc_features[]={
+static char *proc_features_0[]={                /* Feature set 0 */
         NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
         NULL,NULL,NULL,NULL,NULL,NULL,NULL, NULL,NULL,
         NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
@@ -502,25 +502,92 @@ static const char *proc_features[]={
         "Enable BERR promotion"
 };
 
+static char *proc_features_16[]={               /* Feature set 16 */
+        "Disable ETM",
+        "Enable ETM",
+        "Enable MCA on half-way timer",
+        "Enable snoop WC",
+        NULL,
+        "Enable Fast Deferral",
+        "Disable MCA on memory aliasing",
+        "Enable RSB",
+        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+        "DP system processor",
+        "Low Voltage",
+        "HT supported",
+        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+        NULL, NULL, NULL, NULL, NULL
+};
+
+static char **proc_features[]={
+        proc_features_0,
+        NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+        NULL, NULL, NULL, NULL,
+        proc_features_16,
+        NULL, NULL, NULL, NULL,
+};
+
+static char *
+feature_set_info(char *page, u64 avail, u64 status, u64 control, u64 set)
+{
+        char *p = page;
+        char **vf, **v;
+        int i;
+
+        vf = v = proc_features[set];
+        for(i=0; i < 64; i++, avail >>=1, status >>=1, control >>=1) {
+
+                if (!(control))         /* No remaining bits set */
+                        break;
+                if (!(avail & 0x1))     /* Print only bits that are available */
+                        continue;
+                if (vf)
+                        v = vf + i;
+                if ( v && *v ) {
+                        p += sprintf(p, "%-40s : %s %s\n", *v,
+                                avail & 0x1 ? (status & 0x1 ?
+                                                "On " : "Off"): "",
+                                avail & 0x1 ? (control & 0x1 ?
+                                                "Ctrl" : "NoCtrl"): "");
+                } else {
+                        p += sprintf(p, "Feature set %2ld bit %2d\t\t\t"
+                                        " : %s %s\n",
+                                set, i,
+                                avail & 0x1 ? (status & 0x1 ?
+                                                "On " : "Off"): "",
+                                avail & 0x1 ? (control & 0x1 ?
+                                                "Ctrl" : "NoCtrl"): "");
+                }
+        }
+        return p;
+}
 
 static int
 processor_info(char *page)
 {
         char *p = page;
-        const char **v = proc_features;
-        u64 avail=1, status=1, control=1;
-        int i;
+        u64 avail=1, status=1, control=1, feature_set=0;
         s64 ret;
 
-        if ((ret=ia64_pal_proc_get_features(&avail, &status, &control)) != 0) return 0;
+        do {
+                ret = ia64_pal_proc_get_features(&avail, &status, &control,
+                                                feature_set);
+                if (ret < 0) {
+                        return p - page;
+                }
+                if (ret == 1) {
+                        feature_set++;
+                        continue;
+                }
+
+                p = feature_set_info(p, avail, status, control, feature_set);
+
+                feature_set++;
+        } while(1);
 
-        for(i=0; i < 64; i++, v++,avail >>=1, status >>=1, control >>=1) {
-                if ( ! *v ) continue;
-                p += sprintf(p, "%-40s : %s%s %s\n", *v,
-                                avail & 0x1 ? "" : "NotImpl",
-                                avail & 0x1 ? (status & 0x1 ? "On" : "Off"): "",
-                                avail & 0x1 ? (control & 0x1 ? "Ctrl" : "NoCtrl"): "");
-        }
         return p - page;
 }
 
diff --git a/arch/ia64/kernel/patch.c b/arch/ia64/kernel/patch.c
index e796e29f8e15..2cb9425e0421 100644
--- a/arch/ia64/kernel/patch.c
+++ b/arch/ia64/kernel/patch.c
@@ -129,9 +129,6 @@ ia64_patch_mckinley_e9 (unsigned long start, unsigned long end)
                 first_time = 0;
                 if (need_workaround)
                         printk(KERN_INFO "Leaving McKinley Errata 9 workaround enabled\n");
-                else
-                        printk(KERN_INFO "McKinley Errata 9 workaround not needed; "
-                               "disabling it\n");
         }
         if (need_workaround)
                 return;
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 59169bf7145f..73e7c2e40b54 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -558,7 +558,7 @@ static ctl_table pfm_sysctl_dir[] = {
         {
                 .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "perfmon",
-                .mode           = 0755,
+                .mode           = 0555,
                 .child          = pfm_ctl_table,
         },
         {}
@@ -567,7 +567,7 @@ static ctl_table pfm_sysctl_root[] = {
         {
                 .ctl_name       = CTL_KERN,
                 .procname       = "kernel",
-                .mode           = 0755,
+                .mode           = 0555,
                 .child          = pfm_sysctl_dir,
         },
         {}
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index d3c538be466c..7e9c275ea148 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -146,6 +146,46 @@ find_bootmap_location (unsigned long start, unsigned long end, void *arg)
         return 0;
 }
 
+#ifdef CONFIG_SMP
+static void *cpu_data;
+/**
+ * per_cpu_init - setup per-cpu variables
+ *
+ * Allocate and setup per-cpu data areas.
+ */
+void * __cpuinit
+per_cpu_init (void)
+{
+        int cpu;
+        static int first_time=1;
+
+        /*
+         * get_free_pages() cannot be used before cpu_init() done.  BSP
+         * allocates "NR_CPUS" pages for all CPUs to avoid that AP calls
+         * get_zeroed_page().
+         */
+        if (first_time) {
+                first_time=0;
+                for (cpu = 0; cpu < NR_CPUS; cpu++) {
+                        memcpy(cpu_data, __phys_per_cpu_start, __per_cpu_end - __per_cpu_start);
+                        __per_cpu_offset[cpu] = (char *) cpu_data - __per_cpu_start;
+                        cpu_data += PERCPU_PAGE_SIZE;
+                        per_cpu(local_per_cpu_offset, cpu) = __per_cpu_offset[cpu];
+                }
+        }
+        return __per_cpu_start + __per_cpu_offset[smp_processor_id()];
+}
+
+static inline void
+alloc_per_cpu_data(void)
+{
+        cpu_data = __alloc_bootmem(PERCPU_PAGE_SIZE * NR_CPUS,
+                                   PERCPU_PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
+}
+#else
+#define alloc_per_cpu_data() do { } while (0)
+#endif /* CONFIG_SMP */
+
 /**
  * find_memory - setup memory map
  *
@@ -182,41 +222,9 @@ find_memory (void)
 
         find_initrd();
 
+        alloc_per_cpu_data();
 }
 
-#ifdef CONFIG_SMP
-/**
- * per_cpu_init - setup per-cpu variables
- *
- * Allocate and setup per-cpu data areas.
- */
-void * __cpuinit
-per_cpu_init (void)
-{
-        void *cpu_data;
-        int cpu;
-        static int first_time=1;
-
-        /*
-         * get_free_pages() cannot be used before cpu_init() done.  BSP
-         * allocates "NR_CPUS" pages for all CPUs to avoid that AP calls
-         * get_zeroed_page().
-         */
-        if (first_time) {
-                first_time=0;
-                cpu_data = __alloc_bootmem(PERCPU_PAGE_SIZE * NR_CPUS,
-                                           PERCPU_PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
-                for (cpu = 0; cpu < NR_CPUS; cpu++) {
-                        memcpy(cpu_data, __phys_per_cpu_start, __per_cpu_end - __per_cpu_start);
-                        __per_cpu_offset[cpu] = (char *) cpu_data - __per_cpu_start;
-                        cpu_data += PERCPU_PAGE_SIZE;
-                        per_cpu(local_per_cpu_offset, cpu) = __per_cpu_offset[cpu];
-                }
-        }
-        return __per_cpu_start + __per_cpu_offset[smp_processor_id()];
-}
-#endif /* CONFIG_SMP */
-
 static int
 count_pages (u64 start, u64 end, void *arg)
 {
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 0f9b12683bf3..53351c3cd7b1 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -5,7 +5,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (c) 2000-2006 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2007 Silicon Graphics, Inc.  All Rights Reserved.
  */
 
 #include <linux/irq.h>
@@ -85,12 +85,18 @@ static void sn_shutdown_irq(unsigned int irq)
 {
 }
 
+extern void ia64_mca_register_cpev(int);
+
 static void sn_disable_irq(unsigned int irq)
 {
+        if (irq == local_vector_to_irq(IA64_CPE_VECTOR))
+                ia64_mca_register_cpev(0);
 }
 
 static void sn_enable_irq(unsigned int irq)
 {
+        if (irq == local_vector_to_irq(IA64_CPE_VECTOR))
+                ia64_mca_register_cpev(irq);
 }
 
 static void sn_ack_irq(unsigned int irq)
diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c
index e336e1692a73..81785b78bc1e 100644
--- a/arch/ia64/sn/kernel/xpc_main.c
+++ b/arch/ia64/sn/kernel/xpc_main.c
@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (c) 2004-2006 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2004-2007 Silicon Graphics, Inc.  All Rights Reserved.
  */
 
 
@@ -257,7 +257,9 @@ xpc_hb_checker(void *ignore)
 
         set_cpus_allowed(current, cpumask_of_cpu(XPC_HB_CHECK_CPU));
 
+        /* set our heartbeating to other partitions into motion */
         xpc_hb_check_timeout = jiffies + (xpc_hb_check_interval * HZ);
+        xpc_hb_beater(0);
 
         while (!(volatile int) xpc_exiting) {
 
@@ -1338,16 +1340,8 @@ xpc_init(void)
                 dev_warn(xpc_part, "can't register die notifier\n");
         }
 
-
-        /*
-         * Set the beating to other partitions into motion.  This is
-         * the last requirement for other partitions' discovery to
-         * initiate communications with us.
-         */
         init_timer(&xpc_hb_timer);
         xpc_hb_timer.function = xpc_hb_beater;
-        xpc_hb_beater(0);
-
 
         /*
          * The real work-horse behind xpc.  This processes incoming
diff --git a/include/asm-ia64/pal.h b/include/asm-ia64/pal.h
index abfcb3a2588f..8a695d3407d2 100644
--- a/include/asm-ia64/pal.h
+++ b/include/asm-ia64/pal.h
@@ -1379,10 +1379,11 @@ struct pal_features_s;
 static inline s64
 ia64_pal_proc_get_features (u64 *features_avail,
                             u64 *features_status,
-                            u64 *features_control)
+                            u64 *features_control,
+                            u64 features_set)
 {
         struct ia64_pal_retval iprv;
-        PAL_CALL_PHYS(iprv, PAL_PROC_GET_FEATURES, 0, 0, 0);
+        PAL_CALL_PHYS(iprv, PAL_PROC_GET_FEATURES, 0, features_set, 0);
         if (iprv.status == 0) {
                 *features_avail   = iprv.v0;
                 *features_status  = iprv.v1;