Merge branch 'master'

3 files changed, 26 insertions, 27 deletions

diff --git a/arch/alpha/kernel/asm-offsets.c b/arch/alpha/kernel/asm-offsets.c
index 8f2e5c718b50..6c56c754a0b5 100644
--- a/arch/alpha/kernel/asm-offsets.c
+++ b/arch/alpha/kernel/asm-offsets.c
@@ -28,6 +28,7 @@ void foo(void)
         DEFINE(TASK_GID, offsetof(struct task_struct, gid));
         DEFINE(TASK_EGID, offsetof(struct task_struct, egid));
         DEFINE(TASK_REAL_PARENT, offsetof(struct task_struct, real_parent));
+        DEFINE(TASK_GROUP_LEADER, offsetof(struct task_struct, group_leader));
         DEFINE(TASK_TGID, offsetof(struct task_struct, tgid));
         BLANK();
 
diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index e38671c922bc..7af15bf7e5ab 100644
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -879,17 +879,19 @@ sys_getxpid:
 
         /* See linux/kernel/timer.c sys_getppid for discussion
            about this loop.  */
-        ldq     $3, TASK_REAL_PARENT($2)
-1:      ldl     $1, TASK_TGID($3)
+        ldq     $3, TASK_GROUP_LEADER($2)
+        ldq     $4, TASK_REAL_PARENT($3)
+        ldl     $0, TASK_TGID($2)
+1:      ldl     $1, TASK_TGID($4)
 #ifdef CONFIG_SMP
-        mov     $3, $4
+        mov     $4, $5
         mb
-        ldq     $3, TASK_REAL_PARENT($2)
-        cmpeq   $3, $4, $4
-        beq     $4, 1b
+        ldq     $3, TASK_GROUP_LEADER($2)
+        ldq     $4, TASK_REAL_PARENT($3)
+        cmpeq   $4, $5, $5
+        beq     $5, 1b
 #endif
         stq     $1, 80($sp)
-        ldl     $0, TASK_TGID($2)
         ret
 .end sys_getxpid
 
diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c
index 76be5cf0de13..9006063e7369 100644
--- a/arch/alpha/kernel/irq.c
+++ b/arch/alpha/kernel/irq.c
@@ -68,34 +68,32 @@ show_interrupts(struct seq_file *p, void *v)
 #ifdef CONFIG_SMP
         int j;
 #endif
-        int i = *(loff_t *) v;
+        int irq = *(loff_t *) v;
         struct irqaction * action;
         unsigned long flags;
 
 #ifdef CONFIG_SMP
-        if (i == 0) {
+        if (irq == 0) {
                 seq_puts(p, "           ");
-                for (i = 0; i < NR_CPUS; i++)
-                        if (cpu_online(i))
-                                seq_printf(p, "CPU%d       ", i);
+                for_each_online_cpu(j)
+                        seq_printf(p, "CPU%d       ", j);
                 seq_putc(p, '\n');
         }
 #endif
 
-        if (i < ACTUAL_NR_IRQS) {
-                spin_lock_irqsave(&irq_desc[i].lock, flags);
-                action = irq_desc[i].action;
+        if (irq < ACTUAL_NR_IRQS) {
+                spin_lock_irqsave(&irq_desc[irq].lock, flags);
+                action = irq_desc[irq].action;
                 if (!action) 
                         goto unlock;
-                seq_printf(p, "%3d: ",i);
+                seq_printf(p, "%3d: ", irq);
 #ifndef CONFIG_SMP
-                seq_printf(p, "%10u ", kstat_irqs(i));
+                seq_printf(p, "%10u ", kstat_irqs(irq));
 #else
-                for (j = 0; j < NR_CPUS; j++)
-                        if (cpu_online(j))
-                                seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+                for_each_online_cpu(j)
+                        seq_printf(p, "%10u ", kstat_cpu(j).irqs[irq]);
 #endif
-                seq_printf(p, " %14s", irq_desc[i].handler->typename);
+                seq_printf(p, " %14s", irq_desc[irq].handler->typename);
                 seq_printf(p, "  %c%s",
                         (action->flags & SA_INTERRUPT)?'+':' ',
                         action->name);
@@ -108,13 +106,12 @@ show_interrupts(struct seq_file *p, void *v)
 
                 seq_putc(p, '\n');
 unlock:
-                spin_unlock_irqrestore(&irq_desc[i].lock, flags);
-        } else if (i == ACTUAL_NR_IRQS) {
+                spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
+        } else if (irq == ACTUAL_NR_IRQS) {
 #ifdef CONFIG_SMP
                 seq_puts(p, "IPI: ");
-                for (i = 0; i < NR_CPUS; i++)
-                        if (cpu_online(i))
-                                seq_printf(p, "%10lu ", cpu_data[i].ipi_count);
+                for_each_online_cpu(j)
+                        seq_printf(p, "%10lu ", cpu_data[j].ipi_count);
                 seq_putc(p, '\n');
 #endif
                 seq_printf(p, "ERR: %10lu\n", irq_err_count);
@@ -122,7 +119,6 @@ unlock:
         return 0;
 }
 
-
 /*
  * handle_irq handles all normal device IRQ's (the special
  * SMP cross-CPU interrupts have their own specific