Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: make IOMMU code respect the segment boundary limits
  [SPARC64]: Fix cpu trampoline et al. mismatch warnings.
  [SPARC64]: More sparse warning fixes in process.c
  [SPARC64]: Fix sparse warning wrt. fault_in_user_windows.
  [SPARC64]: Kill show_regs32().
  [SPARC64]: Fix sparse warnings wrt. __show_regs().
  [SPARC64]: Kill show_stackframe{,32}().
  [SPARC64]: Fix sparse warnings wrt. machine_alt_power_off().

12 files changed, 34 insertions, 84 deletions

diff --git a/arch/sparc64/kernel/hvtramp.S b/arch/sparc64/kernel/hvtramp.S
index b692e044a46..0236c43772f 100644
--- a/arch/sparc64/kernel/hvtramp.S
+++ b/arch/sparc64/kernel/hvtramp.S
@@ -3,6 +3,8 @@
  * Copyright (C) 2007 David S. Miller <davem@davemloft.net>
  */
 
+#include <linux/init.h>
+
 #include <asm/thread_info.h>
 #include <asm/hypervisor.h>
 #include <asm/scratchpad.h>
@@ -13,7 +15,7 @@
 #include <asm/head.h>
 #include <asm/asi.h>
 
-	.text
+	__CPUINIT
 	.align		8
 	.globl		hv_cpu_startup, hv_cpu_startup_end
 
diff --git a/arch/sparc64/kernel/iommu.c b/arch/sparc64/kernel/iommu.c
index 0e347ff812a..fbaab3497bf 100644
--- a/arch/sparc64/kernel/iommu.c
+++ b/arch/sparc64/kernel/iommu.c
@@ -134,7 +134,8 @@ unsigned long iommu_range_alloc(struct device *dev,
 	else
 		boundary_size = ALIGN(1UL << 32, 1 << IO_PAGE_SHIFT);
 
-	n = iommu_area_alloc(arena->map, limit, start, npages, 0,
+	n = iommu_area_alloc(arena->map, limit, start, npages,
+			     iommu->page_table_map_base >> IO_PAGE_SHIFT,
 			     boundary_size >> IO_PAGE_SHIFT, 0);
 	if (n == -1) {
 		if (likely(pass < 1)) {
diff --git a/arch/sparc64/kernel/kprobes.c b/arch/sparc64/kernel/kprobes.c
index 34fc3ddd500..f43b5d75535 100644
--- a/arch/sparc64/kernel/kprobes.c
+++ b/arch/sparc64/kernel/kprobes.c
@@ -465,8 +465,6 @@ void __kprobes jprobe_return(void)
 
 extern void jprobe_return_trap_instruction(void);
 
-extern void __show_regs(struct pt_regs * regs);
-
 int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
 {
 	u32 *addr = (u32 *) regs->tpc;
diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c
index 850cdffdd69..eae8ca2a6ba 100644
--- a/arch/sparc64/kernel/power.c
+++ b/arch/sparc64/kernel/power.c
@@ -20,6 +20,7 @@
 #include <asm/of_device.h>
 #include <asm/io.h>
 #include <asm/sstate.h>
+#include <asm/reboot.h>
 
 #include <linux/unistd.h>
 
@@ -39,8 +40,6 @@ static irqreturn_t power_handler(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-extern void machine_halt(void);
-extern void machine_alt_power_off(void);
 static void (*poweroff_method)(void) = machine_alt_power_off;
 
 void machine_power_off(void)
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index 6eceac51ae6..2aafce7dfc0 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -30,6 +30,7 @@
 #include <linux/tick.h>
 #include <linux/init.h>
 #include <linux/cpu.h>
+#include <linux/elfcore.h>
 
 #include <asm/oplib.h>
 #include <asm/uaccess.h>
@@ -47,6 +48,8 @@
 #include <asm/unistd.h>
 #include <asm/hypervisor.h>
 #include <asm/sstate.h>
+#include <asm/reboot.h>
+#include <asm/syscalls.h>
 
 /* #define VERBOSE_SHOWREGS */
 
@@ -211,62 +214,6 @@ static void show_regwindow(struct pt_regs *regs)
 		print_symbol("I7: <%s>\n", rwk->ins[7]);
 }
 
-void show_stackframe(struct sparc_stackf *sf)
-{
-	unsigned long size;
-	unsigned long *stk;
-	int i;
-
-	printk("l0: %016lx l1: %016lx l2: %016lx l3: %016lx\n"
-	       "l4: %016lx l5: %016lx l6: %016lx l7: %016lx\n",
-	       sf->locals[0], sf->locals[1], sf->locals[2], sf->locals[3],
-	       sf->locals[4], sf->locals[5], sf->locals[6], sf->locals[7]);
-	printk("i0: %016lx i1: %016lx i2: %016lx i3: %016lx\n"
-	       "i4: %016lx i5: %016lx fp: %016lx ret_pc: %016lx\n",
-	       sf->ins[0], sf->ins[1], sf->ins[2], sf->ins[3],
-	       sf->ins[4], sf->ins[5], (unsigned long)sf->fp, sf->callers_pc);
-	printk("sp: %016lx x0: %016lx x1: %016lx x2: %016lx\n"
-	       "x3: %016lx x4: %016lx x5: %016lx xx: %016lx\n",
-	       (unsigned long)sf->structptr, sf->xargs[0], sf->xargs[1],
-	       sf->xargs[2], sf->xargs[3], sf->xargs[4], sf->xargs[5],
-	       sf->xxargs[0]);
-	size = ((unsigned long)sf->fp) - ((unsigned long)sf);
-	size -= STACKFRAME_SZ;
-	stk = (unsigned long *)((unsigned long)sf + STACKFRAME_SZ);
-	i = 0;
-	do {
-		printk("s%d: %016lx\n", i++, *stk++);
-	} while ((size -= sizeof(unsigned long)));
-}
-
-void show_stackframe32(struct sparc_stackf32 *sf)
-{
-	unsigned long size;
-	unsigned *stk;
-	int i;
-
-	printk("l0: %08x l1: %08x l2: %08x l3: %08x\n",
-	       sf->locals[0], sf->locals[1], sf->locals[2], sf->locals[3]);
-	printk("l4: %08x l5: %08x l6: %08x l7: %08x\n",
-	       sf->locals[4], sf->locals[5], sf->locals[6], sf->locals[7]);
-	printk("i0: %08x i1: %08x i2: %08x i3: %08x\n",
-	       sf->ins[0], sf->ins[1], sf->ins[2], sf->ins[3]);
-	printk("i4: %08x i5: %08x fp: %08x ret_pc: %08x\n",
-	       sf->ins[4], sf->ins[5], sf->fp, sf->callers_pc);
-	printk("sp: %08x x0: %08x x1: %08x x2: %08x\n"
-	       "x3: %08x x4: %08x x5: %08x xx: %08x\n",
-	       sf->structptr, sf->xargs[0], sf->xargs[1],
-	       sf->xargs[2], sf->xargs[3], sf->xargs[4], sf->xargs[5],
-	       sf->xxargs[0]);
-	size = ((unsigned long)sf->fp) - ((unsigned long)sf);
-	size -= STACKFRAME32_SZ;
-	stk = (unsigned *)((unsigned long)sf + STACKFRAME32_SZ);
-	i = 0;
-	do {
-		printk("s%d: %08x\n", i++, *stk++);
-	} while ((size -= sizeof(unsigned)));
-}
-
 #ifdef CONFIG_SMP
 static DEFINE_SPINLOCK(regdump_lock);
 #endif
@@ -354,24 +301,6 @@ void show_regs(struct pt_regs *regs)
 #endif
 }
 
-void show_regs32(struct pt_regs32 *regs)
-{
-	printk("PSR: %08x PC: %08x NPC: %08x Y: %08x    %s\n", regs->psr,
-	       regs->pc, regs->npc, regs->y, print_tainted());
-	printk("g0: %08x g1: %08x g2: %08x g3: %08x ",
-	       regs->u_regs[0], regs->u_regs[1], regs->u_regs[2],
-	       regs->u_regs[3]);
-	printk("g4: %08x g5: %08x g6: %08x g7: %08x\n",
-	       regs->u_regs[4], regs->u_regs[5], regs->u_regs[6],
-	       regs->u_regs[7]);
-	printk("o0: %08x o1: %08x o2: %08x o3: %08x ",
-	       regs->u_regs[8], regs->u_regs[9], regs->u_regs[10],
-	       regs->u_regs[11]);
-	printk("o4: %08x o5: %08x sp: %08x ret_pc: %08x\n",
-	       regs->u_regs[12], regs->u_regs[13], regs->u_regs[14],
-	       regs->u_regs[15]);
-}
-
 unsigned long thread_saved_pc(struct task_struct *tsk)
 {
 	struct thread_info *ti = task_thread_info(tsk);
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index a8052b76df4..cc454731d87 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -86,7 +86,7 @@ extern void setup_sparc64_timer(void);
 
 static volatile unsigned long callin_flag = 0;
 
-void __devinit smp_callin(void)
+void __cpuinit smp_callin(void)
 {
 	int cpuid = hard_smp_processor_id();
 
diff --git a/arch/sparc64/kernel/trampoline.S b/arch/sparc64/kernel/trampoline.S
index 04e81dda13d..4ae2e525d68 100644
--- a/arch/sparc64/kernel/trampoline.S
+++ b/arch/sparc64/kernel/trampoline.S
@@ -4,6 +4,8 @@
  * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
  */
 
+#include <linux/init.h>
+
 #include <asm/head.h>
 #include <asm/asi.h>
 #include <asm/lsu.h>
@@ -36,7 +38,7 @@ dtlb_load:
 tramp_stack:
 	.skip	TRAMP_STACK_SIZE
 
-	.text
+	__CPUINIT
 	.align		8
 	.globl		sparc64_cpu_startup, sparc64_cpu_startup_end
 sparc64_cpu_startup:
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 2b6abf63334..007f5317c0d 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -1791,8 +1791,6 @@ static const char *sun4v_err_type_to_str(u32 type)
 	};
 }
 
-extern void __show_regs(struct pt_regs * regs);
-
 static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, int cpu, const char *pfx, atomic_t *ocnt)
 {
 	int cnt;
diff --git a/include/asm-sparc64/ptrace.h b/include/asm-sparc64/ptrace.h
index 67341cff2e6..6da197803ef 100644
--- a/include/asm-sparc64/ptrace.h
+++ b/include/asm-sparc64/ptrace.h
@@ -109,6 +109,7 @@ extern unsigned long profile_pc(struct pt_regs *);
 #define profile_pc(regs) instruction_pointer(regs)
 #endif
 extern void show_regs(struct pt_regs *);
+extern void __show_regs(struct pt_regs *);
 #endif
 
 #else /* __ASSEMBLY__ */
diff --git a/include/asm-sparc64/reboot.h b/include/asm-sparc64/reboot.h
new file mode 100644
index 00000000000..3f3f43f5be5
--- /dev/null
+++ b/include/asm-sparc64/reboot.h
@@ -0,0 +1,6 @@
+#ifndef _SPARC64_REBOOT_H
+#define _SPARC64_REBOOT_H
+
+extern void machine_alt_power_off(void);
+
+#endif /* _SPARC64_REBOOT_H */
diff --git a/include/asm-sparc64/syscalls.h b/include/asm-sparc64/syscalls.h
new file mode 100644
index 00000000000..45a43f637a1
--- /dev/null
+++ b/include/asm-sparc64/syscalls.h
@@ -0,0 +1,13 @@
+#ifndef _SPARC64_SYSCALLS_H
+#define _SPARC64_SYSCALLS_H
+
+struct pt_regs;
+
+extern asmlinkage long sparc_do_fork(unsigned long clone_flags,
+				     unsigned long stack_start,
+				     struct pt_regs *regs,
+				     unsigned long stack_size);
+
+extern asmlinkage int sparc_execve(struct pt_regs *regs);
+
+#endif /* _SPARC64_SYSCALLS_H */
diff --git a/include/asm-sparc64/system.h b/include/asm-sparc64/system.h
index 1faefa6d370..ed91a5d8d4f 100644
--- a/include/asm-sparc64/system.h
+++ b/include/asm-sparc64/system.h
@@ -117,6 +117,7 @@ do {	__asm__ __volatile__("ba,pt	%%xcc, 1f\n\t" \
 extern void sun_do_break(void);
 extern int stop_a_enabled;
 
+extern void fault_in_user_windows(void);
 extern void synchronize_user_stack(void);
 
 extern void __flushw_user(void);