15 files changed, 31 insertions, 139 deletions

diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 1a4094704b1..64f5948ebc9 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -59,8 +59,6 @@ obj64-$(CONFIG_HIBERNATION)	+= swsusp_asm64.o
 obj-$(CONFIG_MODULES)		+= module.o module_$(CONFIG_WORD_SIZE).o
 obj-$(CONFIG_44x)		+= cpu_setup_44x.o
 
-ifeq ($(CONFIG_PPC_MERGE),y)
-
 extra-$(CONFIG_PPC_STD_MMU)	:= head_32.o
 extra-$(CONFIG_PPC64)		:= head_64.o
 extra-$(CONFIG_40x)		:= head_40x.o
@@ -100,12 +98,6 @@ ifneq ($(CONFIG_PPC_INDIRECT_IO),y)
 obj-y				+= iomap.o
 endif
 
-else
-# stuff used from here for ARCH=ppc
-smpobj-$(CONFIG_SMP)		+= smp.o
-
-endif
-
 obj-$(CONFIG_PPC64)		+= $(obj64-y)
 
 extra-$(CONFIG_PPC_FPU)		+= fpu.o
@@ -121,9 +113,6 @@ PHONY += systbl_chk
 systbl_chk: $(src)/systbl_chk.sh $(obj)/systbl_chk.i
 	$(call cmd,systbl_chk)
 
-
-ifeq ($(CONFIG_PPC_MERGE),y)
-
 $(obj)/built-in.o:		prom_init_check
 
 quiet_cmd_prom_init_check = CALL    $<
@@ -133,7 +122,4 @@ PHONY += prom_init_check
 prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o
 	$(call cmd,prom_init_check)
 
-endif
-
-
 clean-files := vmlinux.lds
diff --git a/arch/powerpc/kernel/cpu_setup_44x.S b/arch/powerpc/kernel/cpu_setup_44x.S
index 5465e8de0e6..80cac984d85 100644
--- a/arch/powerpc/kernel/cpu_setup_44x.S
+++ b/arch/powerpc/kernel/cpu_setup_44x.S
@@ -39,12 +39,6 @@ _GLOBAL(__setup_cpu_440gx)
 _GLOBAL(__setup_cpu_440spe)
 	b	__fixup_440A_mcheck
 
- /* Temporary fixup for arch/ppc until we kill the whole thing */
-#ifndef CONFIG_PPC_MERGE
-_GLOBAL(__fixup_440A_mcheck)
-	blr
-#endif
-
 /* enable APU between CPU and FPU */
 _GLOBAL(__init_fpu_44x)
 	mfspr	r3,SPRN_CCR0
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index 99ee2f0f0f2..8bb65751929 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -1155,7 +1155,7 @@ flush_tlbs:
 	lis	r10, 0x40
 1:	addic.	r10, r10, -0x1000
 	tlbie	r10
-	blt	1b
+	bgt	1b
 	sync
 	blr
 
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 6ac8612da3c..d972decf032 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -77,22 +77,12 @@ static int ppc_spurious_interrupts;
 EXPORT_SYMBOL(__irq_offset_value);
 atomic_t ppc_n_lost_interrupts;
 
-#ifndef CONFIG_PPC_MERGE
-#define NR_MASK_WORDS	((NR_IRQS + 31) / 32)
-unsigned long ppc_cached_irq_mask[NR_MASK_WORDS];
-#endif
-
 #ifdef CONFIG_TAU_INT
 extern int tau_initialized;
 extern int tau_interrupts(int);
 #endif
 #endif /* CONFIG_PPC32 */
 
-#if defined(CONFIG_SMP) && !defined(CONFIG_PPC_MERGE)
-extern atomic_t ipi_recv;
-extern atomic_t ipi_sent;
-#endif
-
 #ifdef CONFIG_PPC64
 EXPORT_SYMBOL(irq_desc);
 
@@ -216,21 +206,14 @@ int show_interrupts(struct seq_file *p, void *v)
 skip:
 		spin_unlock_irqrestore(&desc->lock, flags);
 	} else if (i == NR_IRQS) {
-#ifdef CONFIG_PPC32
-#ifdef CONFIG_TAU_INT
+#if defined(CONFIG_PPC32) && defined(CONFIG_TAU_INT)
 		if (tau_initialized){
 			seq_puts(p, "TAU: ");
 			for_each_online_cpu(j)
 				seq_printf(p, "%10u ", tau_interrupts(j));
 			seq_puts(p, "  PowerPC             Thermal Assist (cpu temp)\n");
 		}
-#endif
-#if defined(CONFIG_SMP) && !defined(CONFIG_PPC_MERGE)
-		/* should this be per processor send/receive? */
-		seq_printf(p, "IPI (recv/sent): %10u/%u\n",
-				atomic_read(&ipi_recv), atomic_read(&ipi_sent));
-#endif
-#endif /* CONFIG_PPC32 */
+#endif /* CONFIG_PPC32 && CONFIG_TAU_INT*/
 		seq_printf(p, "BAD: %10u\n", ppc_spurious_interrupts);
 	}
 	return 0;
@@ -454,8 +437,6 @@ void do_softirq(void)
  * IRQ controller and virtual interrupts
  */
 
-#ifdef CONFIG_PPC_MERGE
-
 static LIST_HEAD(irq_hosts);
 static DEFINE_SPINLOCK(irq_big_lock);
 static DEFINE_PER_CPU(unsigned int, irq_radix_reader);
@@ -1114,8 +1095,6 @@ static int __init irq_debugfs_init(void)
 __initcall(irq_debugfs_init);
 #endif /* CONFIG_VIRQ_DEBUG */
 
-#endif /* CONFIG_PPC_MERGE */
-
 #ifdef CONFIG_PPC64
 static int __init setup_noirqdistrib(char *str)
 {
diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c
index 9f856a0c3e3..b3eef30b513 100644
--- a/arch/powerpc/kernel/lparcfg.c
+++ b/arch/powerpc/kernel/lparcfg.c
@@ -416,6 +416,8 @@ static void pseries_cmo_data(struct seq_file *m)
 	unsigned long cmo_faults = 0;
 	unsigned long cmo_fault_time = 0;
 
+	seq_printf(m, "cmo_enabled=%d\n", firmware_has_feature(FW_FEATURE_CMO));
+
 	if (!firmware_has_feature(FW_FEATURE_CMO))
 		return;
 
@@ -427,6 +429,9 @@ static void pseries_cmo_data(struct seq_file *m)
 	seq_printf(m, "cmo_faults=%lu\n", cmo_faults);
 	seq_printf(m, "cmo_fault_time_usec=%lu\n",
 		   cmo_fault_time / tb_ticks_per_usec);
+	seq_printf(m, "cmo_primary_psp=%d\n", cmo_get_primary_psp());
+	seq_printf(m, "cmo_secondary_psp=%d\n", cmo_get_secondary_psp());
+	seq_printf(m, "cmo_page_size=%lu\n", cmo_get_page_size());
 }
 
 static int pseries_lparcfg_data(struct seq_file *m, void *v)
@@ -636,10 +641,6 @@ static ssize_t lparcfg_write(struct file *file, const char __user * buf,
 		retval = -EIO;
 	} else if (retval == H_PARAMETER) {
 		retval = -EINVAL;
-	} else {
-		printk(KERN_WARNING "%s: received unknown hv return code %ld",
-		       __func__, retval);
-		retval = -EIO;
 	}
 
 	return retval;
diff --git a/arch/powerpc/kernel/machine_kexec_32.c b/arch/powerpc/kernel/machine_kexec_32.c
index cbaa3419679..ae63a964b85 100644
--- a/arch/powerpc/kernel/machine_kexec_32.c
+++ b/arch/powerpc/kernel/machine_kexec_32.c
@@ -51,7 +51,7 @@ void default_machine_kexec(struct kimage *image)
 						relocate_new_kernel_size);
 
 	flush_icache_range(reboot_code_buffer,
-				reboot_code_buffer + KEXEC_CONTROL_CODE_SIZE);
+				reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
 	printk(KERN_INFO "Bye!\n");
 
 	/* now call it */
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index 6321ae36f72..7a6dfbca768 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -899,7 +899,7 @@ relocate_new_kernel:
 
 	/* set a new stack at the bottom of our page... */
 	/* (not really needed now) */
-	addi	r1, r4, KEXEC_CONTROL_CODE_SIZE - 8 /* for LR Save+Back Chain */
+	addi	r1, r4, KEXEC_CONTROL_PAGE_SIZE - 8 /* for LR Save+Back Chain */
 	stw	r0, 0(r1)
 
 	/* Do the copies */
diff --git a/arch/powerpc/kernel/module.c b/arch/powerpc/kernel/module.c
index af07003573c..7ff29247526 100644
--- a/arch/powerpc/kernel/module.c
+++ b/arch/powerpc/kernel/module.c
@@ -99,18 +99,3 @@ void module_arch_cleanup(struct module *mod)
 {
 	module_bug_cleanup(mod);
 }
-
-struct bug_entry *module_find_bug(unsigned long bugaddr)
-{
-	struct mod_arch_specific *mod;
-	unsigned int i;
-	struct bug_entry *bug;
-
-	list_for_each_entry(mod, &module_bug_list, bug_list) {
-		bug = mod->bug_table;
-		for (i = 0; i < mod->num_bugs; ++i, ++bug)
-			if (bugaddr == bug->bug_addr)
-				return bug;
-	}
-	return NULL;
-}
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 224e9a11765..ea0c61e09b7 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -650,11 +650,18 @@ void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose,
 		}
 	}
 
-	/* Out of paranoia, let's put the ISA hole last if any */
-	if (isa_hole >= 0 && memno > 0 && isa_hole != (memno-1)) {
-		struct resource tmp = hose->mem_resources[isa_hole];
-		hose->mem_resources[isa_hole] = hose->mem_resources[memno-1];
-		hose->mem_resources[memno-1] = tmp;
+	/* If there's an ISA hole and the pci_mem_offset is -not- matching
+	 * the ISA hole offset, then we need to remove the ISA hole from
+	 * the resource list for that brige
+	 */
+	if (isa_hole >= 0 && hose->pci_mem_offset != isa_mb) {
+		unsigned int next = isa_hole + 1;
+		printk(KERN_INFO " Removing ISA hole at 0x%016llx\n", isa_mb);
+		if (next < memno)
+			memmove(&hose->mem_resources[isa_hole],
+				&hose->mem_resources[next],
+				sizeof(struct resource) * (memno - next));
+		hose->mem_resources[--memno].flags = 0;
 	}
 }
 
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index e030f3bd502..957bded0020 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -276,10 +276,8 @@ int set_dabr(unsigned long dabr)
 {
 	__get_cpu_var(current_dabr) = dabr;
 
-#ifdef CONFIG_PPC_MERGE		/* XXX for now */
 	if (ppc_md.set_dabr)
 		return ppc_md.set_dabr(dabr);
-#endif
 
 	/* XXX should we have a CPU_FTR_HAS_DABR ? */
 #if defined(CONFIG_PPC64) || defined(CONFIG_6xx)
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 6b66cd85b43..3635be61f89 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -375,7 +375,7 @@ static int vsr_get(struct task_struct *target, const struct user_regset *regset,
 	flush_vsx_to_thread(target);
 
 	for (i = 0; i < 32 ; i++)
-		buf[i] = current->thread.fpr[i][TS_VSRLOWOFFSET];
+		buf[i] = target->thread.fpr[i][TS_VSRLOWOFFSET];
 	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
 				  buf, 0, 32 * sizeof(double));
 
@@ -394,7 +394,7 @@ static int vsr_set(struct task_struct *target, const struct user_regset *regset,
 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
 				 buf, 0, 32 * sizeof(double));
 	for (i = 0; i < 32 ; i++)
-		current->thread.fpr[i][TS_VSRLOWOFFSET] = buf[i];
+		target->thread.fpr[i][TS_VSRLOWOFFSET] = buf[i];
 
 
 	return ret;
@@ -975,15 +975,13 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	case PTRACE_GETVSRREGS:
 		return copy_regset_to_user(child, &user_ppc_native_view,
 					   REGSET_VSX,
-					   0, (32 * sizeof(vector128) +
-					       sizeof(u32)),
+					   0, 32 * sizeof(double),
 					   (void __user *) data);
 
 	case PTRACE_SETVSRREGS:
 		return copy_regset_from_user(child, &user_ppc_native_view,
 					     REGSET_VSX,
-					     0, (32 * sizeof(vector128) +
-						 sizeof(u32)),
+					     0, 32 * sizeof(double),
 					     (const void __user *) data);
 #endif
 #ifdef CONFIG_SPE
diff --git a/arch/powerpc/kernel/ptrace32.c b/arch/powerpc/kernel/ptrace32.c
index 67bf1a1e7e1..197d49c790a 100644
--- a/arch/powerpc/kernel/ptrace32.c
+++ b/arch/powerpc/kernel/ptrace32.c
@@ -294,6 +294,8 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
 	case PTRACE_SETFPREGS:
 	case PTRACE_GETVRREGS:
 	case PTRACE_SETVRREGS:
+	case PTRACE_GETVSRREGS:
+	case PTRACE_SETVSRREGS:
 	case PTRACE_GETREGS64:
 	case PTRACE_SETREGS64:
 	case PPC_PTRACE_GETFPREGS:
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index c680f1bbd38..1f8505c2354 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -792,6 +792,9 @@ asmlinkage int ppc_rtas(struct rtas_args __user *uargs)
 	if (args.token == RTAS_UNKNOWN_SERVICE)
 		return -EINVAL;
 
+	args.rets = &args.args[nargs];
+	memset(args.rets, 0, args.nret * sizeof(rtas_arg_t));
+
 	/* Need to handle ibm,suspend_me call specially */
 	if (args.token == ibm_suspend_me_token) {
 		rc = rtas_ibm_suspend_me(&args);
@@ -808,8 +811,6 @@ asmlinkage int ppc_rtas(struct rtas_args __user *uargs)
 	enter_rtas(__pa(&rtas.args));
 	args = rtas.args;
 
-	args.rets = &args.args[nargs];
-
 	/* A -1 return code indicates that the last command couldn't
 	   be completed due to a hardware error. */
 	if (args.rets[0] == -1)
diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index 709f8cb8bfc..d98634c7606 100644
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -52,63 +52,6 @@
 #include <asm/ppc-pci.h>
 #include <asm/syscalls.h>
 
-struct old_linux_dirent32 {
-	u32		d_ino;
-	u32		d_offset;
-	unsigned short	d_namlen;
-	char		d_name[1];
-};
-
-struct readdir_callback32 {
-	struct old_linux_dirent32 __user * dirent;
-	int count;
-};
-
-static int fillonedir(void * __buf, const char * name, int namlen,
-		                  off_t offset, u64 ino, unsigned int d_type)
-{
-	struct readdir_callback32 * buf = (struct readdir_callback32 *) __buf;
-	struct old_linux_dirent32 __user * dirent;
-	ino_t d_ino;
-
-	if (buf->count)
-		return -EINVAL;
-	d_ino = ino;
-	if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
-		return -EOVERFLOW;
-	buf->count++;
-	dirent = buf->dirent;
-	put_user(d_ino, &dirent->d_ino);
-	put_user(offset, &dirent->d_offset);
-	put_user(namlen, &dirent->d_namlen);
-	copy_to_user(dirent->d_name, name, namlen);
-	put_user(0, dirent->d_name + namlen);
-	return 0;
-}
-
-asmlinkage int old32_readdir(unsigned int fd, struct old_linux_dirent32 __user *dirent, unsigned int count)
-{
-	int error = -EBADF;
-	struct file * file;
-	struct readdir_callback32 buf;
-
-	file = fget(fd);
-	if (!file)
-		goto out;
-
-	buf.count = 0;
-	buf.dirent = dirent;
-
-	error = vfs_readdir(file, (filldir_t)fillonedir, &buf);
-	if (error < 0)
-		goto out_putf;
-	error = buf.count;
-
-out_putf:
-	fput(file);
-out:
-	return error;
-}
 
 asmlinkage long ppc32_select(u32 n, compat_ulong_t __user *inp,
 		compat_ulong_t __user *outp, compat_ulong_t __user *exp,
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index f177c60ea76..65639a43e64 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -788,9 +788,7 @@ static int __init vdso_init(void)
 
 	return 0;
 }
-#ifdef CONFIG_PPC_MERGE
 arch_initcall(vdso_init);
-#endif
 
 int in_gate_area_no_task(unsigned long addr)
 {