13 files changed, 59 insertions, 95 deletions

diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c
index e1333d7319e2..ff448233dab5 100644
--- a/arch/mips/kernel/binfmt_elfo32.c
+++ b/arch/mips/kernel/binfmt_elfo32.c
@@ -53,6 +53,23 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
 #define ELF_ET_DYN_BASE         (TASK32_SIZE / 3 * 2)
 
 #include <asm/processor.h>
+
+/*
+ * When this file is selected, we are definitely running a 64bit kernel.
+ * So using the right regs define in asm/reg.h
+ */
+#define WANT_COMPAT_REG_H
+
+/* These MUST be defined before elf.h gets included */
+extern void elf32_core_copy_regs(elf_gregset_t grp, struct pt_regs *regs);
+#define ELF_CORE_COPY_REGS(_dest, _regs) elf32_core_copy_regs(_dest, _regs);
+#define ELF_CORE_COPY_TASK_REGS(_tsk, _dest)                            \
+({                                                                      \
+        int __res = 1;                                                  \
+        elf32_core_copy_regs(*(_dest), task_pt_regs(_tsk));             \
+        __res;                                                          \
+})
+
 #include <linux/module.h>
 #include <linux/elfcore.h>
 #include <linux/compat.h>
@@ -110,9 +127,6 @@ jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value)
         value->tv_usec = rem / NSEC_PER_USEC;
 }
 
-#undef ELF_CORE_COPY_REGS
-#define ELF_CORE_COPY_REGS(_dest, _regs) elf32_core_copy_regs(_dest, _regs);
-
 void elf32_core_copy_regs(elf_gregset_t grp, struct pt_regs *regs)
 {
         int i;
diff --git a/arch/mips/kernel/cevt-ds1287.c b/arch/mips/kernel/cevt-ds1287.c
index 1ada45ea0700..6996da4d74a2 100644
--- a/arch/mips/kernel/cevt-ds1287.c
+++ b/arch/mips/kernel/cevt-ds1287.c
@@ -1,7 +1,7 @@
 /*
  *  DS1287 clockevent driver
  *
- *  Copyright (C) 2008  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *  Copyright (C) 2008  Yoichi Yuasa <yuasa@linux-mips.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/kernel/cevt-gt641xx.c b/arch/mips/kernel/cevt-gt641xx.c
index e9b787feedcb..92351e00ae0e 100644
--- a/arch/mips/kernel/cevt-gt641xx.c
+++ b/arch/mips/kernel/cevt-gt641xx.c
@@ -1,7 +1,7 @@
 /*
  *  GT641xx clockevent routines.
  *
- *  Copyright (C) 2007  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *  Copyright (C) 2007  Yoichi Yuasa <yuasa@linux-mips.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/kernel/csrc-ioasic.c b/arch/mips/kernel/csrc-ioasic.c
index b551f48d3a07..23da108506b0 100644
--- a/arch/mips/kernel/csrc-ioasic.c
+++ b/arch/mips/kernel/csrc-ioasic.c
@@ -1,7 +1,7 @@
 /*
  *  DEC I/O ASIC's counter clocksource
  *
- *  Copyright (C) 2008  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *  Copyright (C) 2008  Yoichi Yuasa <yuasa@linux-mips.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c
index 39000f103f2c..d2072cd38592 100644
--- a/arch/mips/kernel/irq-gic.c
+++ b/arch/mips/kernel/irq-gic.c
@@ -107,9 +107,7 @@ static unsigned int gic_irq_startup(unsigned int irq)
 {
         pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
         irq -= _irqbase;
-        /* FIXME: this is wrong for !GICISWORDLITTLEENDIAN */
-        GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_SMASK_31_0_OFS + (irq / 32))),
-                 1 << (irq % 32));
+        GIC_SET_INTR_MASK(irq, 1);
         return 0;
 }
 
@@ -120,8 +118,7 @@ static void gic_irq_ack(unsigned int irq)
 #endif
         pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
         irq -= _irqbase;
-        GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_RMASK_31_0_OFS + (irq / 32))),
-                 1 << (irq % 32));
+        GIC_CLR_INTR_MASK(irq, 1);
 
         if (_intrmap[irq].trigtype == GIC_TRIG_EDGE) {
                 if (!gic_wedgeb2bok)
@@ -138,18 +135,14 @@ static void gic_mask_irq(unsigned int irq)
 {
         pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
         irq -= _irqbase;
-        /* FIXME: this is wrong for !GICISWORDLITTLEENDIAN */
-        GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_RMASK_31_0_OFS + (irq / 32))),
-                 1 << (irq % 32));
+        GIC_CLR_INTR_MASK(irq, 1);
 }
 
 static void gic_unmask_irq(unsigned int irq)
 {
         pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
         irq -= _irqbase;
-        /* FIXME: this is wrong for !GICISWORDLITTLEENDIAN */
-        GICWRITE(GIC_REG_ADDR(SHARED, (GIC_SH_SMASK_31_0_OFS + (irq / 32))),
-                 1 << (irq % 32));
+        GIC_SET_INTR_MASK(irq, 1);
 }
 
 #ifdef CONFIG_SMP
@@ -254,6 +247,10 @@ static void __init gic_basic_init(void)
                 if (cpu == X)
                         continue;
 
+                if (cpu == 0 && i != 0 && _intrmap[i].intrnum == 0 &&
+                                        _intrmap[i].ipiflag == 0)
+                        continue;
+
                 setup_intr(_intrmap[i].intrnum,
                                 _intrmap[i].cpunum,
                                 _intrmap[i].pin,
diff --git a/arch/mips/kernel/irq-gt641xx.c b/arch/mips/kernel/irq-gt641xx.c
index 1b81b131f43c..ebcc5f7ad9c2 100644
--- a/arch/mips/kernel/irq-gt641xx.c
+++ b/arch/mips/kernel/irq-gt641xx.c
@@ -1,7 +1,7 @@
 /*
  *  GT641xx IRQ routines.
  *
- *  Copyright (C) 2007  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *  Copyright (C) 2007  Yoichi Yuasa <yuasa@linux-mips.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 0b31b9bda048..20a86e08fd58 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -652,6 +652,8 @@ einval:	li	v0, -ENOSYS
         sys     sys_inotify_init1       1
         sys     sys_preadv              6       /* 4330 */
         sys     sys_pwritev             6
+        sys     sys_rt_tgsigqueueinfo   4
+        sys     sys_perf_counter_open   5
         .endm
 
         /* We pre-compute the number of _instruction_ bytes needed to
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index c647fd6e722f..b046130d4c5d 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -489,4 +489,6 @@ sys_call_table:
         PTR     sys_inotify_init1
         PTR     sys_preadv
         PTR     sys_pwritev                     /* 5390 */
+        PTR     sys_rt_tgsigqueueinfo
+        PTR     sys_perf_counter_open
         .size   sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 93cc672f4522..15874f9812cc 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -415,4 +415,6 @@ EXPORT(sysn32_call_table)
         PTR     sys_inotify_init1
         PTR     sys_preadv
         PTR     sys_pwritev
+        PTR     compat_sys_rt_tgsigqueueinfo    /* 5295 */
+        PTR     sys_perf_counter_open
         .size   sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index a5598b2339dd..781e0f1e9533 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -535,4 +535,6 @@ sys_call_table:
         PTR     sys_inotify_init1
         PTR     compat_sys_preadv               /* 4330 */
         PTR     compat_sys_pwritev
+        PTR     compat_sys_rt_tgsigqueueinfo
+        PTR     sys_perf_counter_open
         .size   sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/smp-cmp.c b/arch/mips/kernel/smp-cmp.c
index 653be061b9ec..ad0ff5dc4d59 100644
--- a/arch/mips/kernel/smp-cmp.c
+++ b/arch/mips/kernel/smp-cmp.c
@@ -37,80 +37,24 @@
 #include <asm/mipsregs.h>
 #include <asm/mipsmtregs.h>
 #include <asm/mips_mt.h>
-
-/*
- * Crude manipulation of the CPU masks to control which
- * which CPU's are brought online during initialisation
- *
- * Beware... this needs to be called after CPU discovery
- * but before CPU bringup
- */
-static int __init allowcpus(char *str)
-{
-        cpumask_t cpu_allow_map;
-        char buf[256];
-        int len;
-
-        cpus_clear(cpu_allow_map);
-        if (cpulist_parse(str, &cpu_allow_map) == 0) {
-                cpu_set(0, cpu_allow_map);
-                cpus_and(cpu_possible_map, cpu_possible_map, cpu_allow_map);
-                len = cpulist_scnprintf(buf, sizeof(buf)-1, &cpu_possible_map);
-                buf[len] = '\0';
-                pr_debug("Allowable CPUs: %s\n", buf);
-                return 1;
-        } else
-                return 0;
-}
-__setup("allowcpus=", allowcpus);
+#include <asm/amon.h>
+#include <asm/gic.h>
 
 static void ipi_call_function(unsigned int cpu)
 {
-        unsigned int action = 0;
-
         pr_debug("CPU%d: %s cpu %d status %08x\n",
                  smp_processor_id(), __func__, cpu, read_c0_status());
 
-        switch (cpu) {
-        case 0:
-                action = GIC_IPI_EXT_INTR_CALLFNC_VPE0;
-                break;
-        case 1:
-                action = GIC_IPI_EXT_INTR_CALLFNC_VPE1;
-                break;
-        case 2:
-                action = GIC_IPI_EXT_INTR_CALLFNC_VPE2;
-                break;
-        case 3:
-                action = GIC_IPI_EXT_INTR_CALLFNC_VPE3;
-                break;
-        }
-        gic_send_ipi(action);
+        gic_send_ipi(plat_ipi_call_int_xlate(cpu));
 }
 
 
 static void ipi_resched(unsigned int cpu)
 {
-        unsigned int action = 0;
-
         pr_debug("CPU%d: %s cpu %d status %08x\n",
                  smp_processor_id(), __func__, cpu, read_c0_status());
 
-        switch (cpu) {
-        case 0:
-                action = GIC_IPI_EXT_INTR_RESCHED_VPE0;
-                break;
-        case 1:
-                action = GIC_IPI_EXT_INTR_RESCHED_VPE1;
-                break;
-        case 2:
-                action = GIC_IPI_EXT_INTR_RESCHED_VPE2;
-                break;
-        case 3:
-                action = GIC_IPI_EXT_INTR_RESCHED_VPE3;
-                break;
-        }
-        gic_send_ipi(action);
+        gic_send_ipi(plat_ipi_resched_int_xlate(cpu));
 }
 
 /*
@@ -206,7 +150,7 @@ static void cmp_boot_secondary(int cpu, struct task_struct *idle)
                            (unsigned long)(gp + sizeof(struct thread_info)));
 #endif
 
-        amon_cpu_start(cpu, pc, sp, gp, a0);
+        amon_cpu_start(cpu, pc, sp, (unsigned long)gp, a0);
 }
 
 /*
diff --git a/arch/mips/kernel/sync-r4k.c b/arch/mips/kernel/sync-r4k.c
index 9021108eb9c1..05dd170a83f7 100644
--- a/arch/mips/kernel/sync-r4k.c
+++ b/arch/mips/kernel/sync-r4k.c
@@ -1,7 +1,7 @@
 /*
  * Count register synchronisation.
  *
- * All CPUs will have their count registers synchronised to the CPU0 expirelo
+ * All CPUs will have their count registers synchronised to the CPU0 next time
  * value. This can cause a small timewarp for CPU0. All other CPU's should
  * not have done anything significant (but they may have had interrupts
  * enabled briefly - prom_smp_finish() should not be responsible for enabling
@@ -13,21 +13,22 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/irqflags.h>
-#include <linux/r4k-timer.h>
+#include <linux/cpumask.h>
 
+#include <asm/r4k-timer.h>
 #include <asm/atomic.h>
 #include <asm/barrier.h>
-#include <asm/cpumask.h>
 #include <asm/mipsregs.h>
 
-static atomic_t __initdata count_start_flag = ATOMIC_INIT(0);
-static atomic_t __initdata count_count_start = ATOMIC_INIT(0);
-static atomic_t __initdata count_count_stop = ATOMIC_INIT(0);
+static atomic_t __cpuinitdata count_start_flag = ATOMIC_INIT(0);
+static atomic_t __cpuinitdata count_count_start = ATOMIC_INIT(0);
+static atomic_t __cpuinitdata count_count_stop = ATOMIC_INIT(0);
+static atomic_t __cpuinitdata count_reference = ATOMIC_INIT(0);
 
 #define COUNTON 100
 #define NR_LOOPS 5
 
-void __init synchronise_count_master(void)
+void __cpuinit synchronise_count_master(void)
 {
         int i;
         unsigned long flags;
@@ -42,19 +43,20 @@ void __init synchronise_count_master(void)
         return;
 #endif
 
-        pr_info("Checking COUNT synchronization across %u CPUs: ",
-                num_online_cpus());
+        printk(KERN_INFO "Synchronize counters across %u CPUs: ",
+               num_online_cpus());
 
         local_irq_save(flags);
 
         /*
          * Notify the slaves that it's time to start
          */
+        atomic_set(&count_reference, read_c0_count());
         atomic_set(&count_start_flag, 1);
         smp_wmb();
 
-        /* Count will be initialised to expirelo for all CPU's */
-        initcount = expirelo;
+        /* Count will be initialised to current timer for all CPU's */
+        initcount = read_c0_count();
 
         /*
          * We loop a few times to get a primed instruction cache,
@@ -106,7 +108,7 @@ void __init synchronise_count_master(void)
         printk("done.\n");
 }
 
-void __init synchronise_count_slave(void)
+void __cpuinit synchronise_count_slave(void)
 {
         int i;
         unsigned long flags;
@@ -131,8 +133,8 @@ void __init synchronise_count_slave(void)
         while (!atomic_read(&count_start_flag))
                 mb();
 
-        /* Count will be initialised to expirelo for all CPU's */
-        initcount = expirelo;
+        /* Count will be initialised to next expire for all CPU's */
+        initcount = atomic_read(&count_reference);
 
         ncpus = num_online_cpus();
         for (i = 0; i < NR_LOOPS; i++) {
@@ -156,4 +158,3 @@ void __init synchronise_count_slave(void)
         local_irq_restore(flags);
 }
 #undef NR_LOOPS
-#endif
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 3ca5f42e819d..07b9ec2c6e3d 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -1387,7 +1387,7 @@ static ssize_t store_ntcs(struct device *dev, struct device_attribute *attr,
         return len;
 
 out_einval:
-        return -EINVAL;;
+        return -EINVAL;
 }
 
 static struct device_attribute vpe_class_attributes[] = {