6 files changed, 21 insertions, 26 deletions

diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index 26b706a1867d..452f04fe8da6 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -282,8 +282,8 @@ sun4v_chip_type:
         stx     %l2, [%l4 + 0x0]
         ldx     [%sp + 2047 + 128 + 0x50], %l3  ! physaddr low
         /* 4MB align */
-        srlx    %l3, 22, %l3
-        sllx    %l3, 22, %l3
+        srlx    %l3, ILOG2_4MB, %l3
+        sllx    %l3, ILOG2_4MB, %l3
         stx     %l3, [%l4 + 0x8]
 
         /* Leave service as-is, "call-method" */
diff --git a/arch/sparc/kernel/ktlb.S b/arch/sparc/kernel/ktlb.S
index 542e96ac4d39..605d49204580 100644
--- a/arch/sparc/kernel/ktlb.S
+++ b/arch/sparc/kernel/ktlb.S
@@ -277,7 +277,7 @@ kvmap_dtlb_load:
 #ifdef CONFIG_SPARSEMEM_VMEMMAP
 kvmap_vmemmap:
         sub             %g4, %g5, %g5
-        srlx            %g5, 22, %g5
+        srlx            %g5, ILOG2_4MB, %g5
         sethi           %hi(vmemmap_table), %g1
         sllx            %g5, 3, %g5
         or              %g1, %lo(vmemmap_table), %g1
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index 6479256fd5a4..337094556916 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -68,27 +68,16 @@ EXPORT_SYMBOL(touch_nmi_watchdog);
 
 static void die_nmi(const char *str, struct pt_regs *regs, int do_panic)
 {
+        int this_cpu = smp_processor_id();
+
         if (notify_die(DIE_NMIWATCHDOG, str, regs, 0,
                        pt_regs_trap_type(regs), SIGINT) == NOTIFY_STOP)
                 return;
 
-        console_verbose();
-        bust_spinlocks(1);
-
-        printk(KERN_EMERG "%s", str);
-        printk(" on CPU%d, ip %08lx, registers:\n",
-               smp_processor_id(), regs->tpc);
-        show_regs(regs);
-        dump_stack();
-
-        bust_spinlocks(0);
-
         if (do_panic || panic_on_oops)
-                panic("Non maskable interrupt");
-
-        nmi_exit();
-        local_irq_enable();
-        do_exit(SIGBUS);
+                panic("Watchdog detected hard LOCKUP on cpu %d", this_cpu);
+        else
+                WARN(1, "Watchdog detected hard LOCKUP on cpu %d", this_cpu);
 }
 
 notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 9781048161ab..745a3633ce14 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -149,7 +149,7 @@ void cpu_panic(void)
 #define NUM_ROUNDS      64      /* magic value */
 #define NUM_ITERS       5       /* likewise */
 
-static DEFINE_SPINLOCK(itc_sync_lock);
+static DEFINE_RAW_SPINLOCK(itc_sync_lock);
 static unsigned long go[SLAVE + 1];
 
 #define DEBUG_TICK_SYNC 0
@@ -257,7 +257,7 @@ static void smp_synchronize_one_tick(int cpu)
         go[MASTER] = 0;
         membar_safe("#StoreLoad");
 
-        spin_lock_irqsave(&itc_sync_lock, flags);
+        raw_spin_lock_irqsave(&itc_sync_lock, flags);
         {
                 for (i = 0; i < NUM_ROUNDS*NUM_ITERS; i++) {
                         while (!go[MASTER])
@@ -268,7 +268,7 @@ static void smp_synchronize_one_tick(int cpu)
                         membar_safe("#StoreLoad");
                 }
         }
-        spin_unlock_irqrestore(&itc_sync_lock, flags);
+        raw_spin_unlock_irqrestore(&itc_sync_lock, flags);
 }
 
 #if defined(CONFIG_SUN_LDOMS) && defined(CONFIG_HOTPLUG_CPU)
diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S
index f7c72b6efc27..d066eb18650c 100644
--- a/arch/sparc/kernel/sys32.S
+++ b/arch/sparc/kernel/sys32.S
@@ -44,7 +44,7 @@ SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1)
 SIGN1(sys32_io_submit, compat_sys_io_submit, %o1)
 SIGN1(sys32_mq_open, compat_sys_mq_open, %o1)
 SIGN1(sys32_select, compat_sys_select, %o0)
-SIGN3(sys32_futex, compat_sys_futex, %o1, %o2, %o5)
+SIGN1(sys32_futex, compat_sys_futex, %o1)
 SIGN1(sys32_recvfrom, compat_sys_recvfrom, %o0)
 SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0)
 SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0)
diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c
index 3c1a7cb31579..35ab8b60d256 100644
--- a/arch/sparc/kernel/unaligned_64.c
+++ b/arch/sparc/kernel/unaligned_64.c
@@ -166,17 +166,23 @@ static unsigned long *fetch_reg_addr(unsigned int reg, struct pt_regs *regs)
 unsigned long compute_effective_address(struct pt_regs *regs,
                                         unsigned int insn, unsigned int rd)
 {
+        int from_kernel = (regs->tstate & TSTATE_PRIV) != 0;
         unsigned int rs1 = (insn >> 14) & 0x1f;
         unsigned int rs2 = insn & 0x1f;
-        int from_kernel = (regs->tstate & TSTATE_PRIV) != 0;
+        unsigned long addr;
 
         if (insn & 0x2000) {
                 maybe_flush_windows(rs1, 0, rd, from_kernel);
-                return (fetch_reg(rs1, regs) + sign_extend_imm13(insn));
+                addr = (fetch_reg(rs1, regs) + sign_extend_imm13(insn));
         } else {
                 maybe_flush_windows(rs1, rs2, rd, from_kernel);
-                return (fetch_reg(rs1, regs) + fetch_reg(rs2, regs));
+                addr = (fetch_reg(rs1, regs) + fetch_reg(rs2, regs));
         }
+
+        if (!from_kernel && test_thread_flag(TIF_32BIT))
+                addr &= 0xffffffff;
+
+        return addr;
 }
 
 /* This is just to make gcc think die_if_kernel does return... */