powerpc: Get 64-bit configs to compile with ARCH=powerpc

This is a bunch of mostly small fixes that are needed to get
ARCH=powerpc to compile for 64-bit.  This adds setup_64.c from
arch/ppc64/kernel/setup.c and locks.c from arch/ppc64/lib/locks.c.
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/kernel/Makefile

@@ -10,6 +10,12 @@ CFLAGS_prom_init.o      += -fPIC
 CFLAGS_btext.o		+= -fPIC
 endif
 
+obj-y				:= semaphore.o traps.o
+obj-$(CONFIG_ALTIVEC)		+= vecemu.o vector.o
+obj-$(CONFIG_POWER4)		+= idle_power4.o
+
+ifeq ($(CONFIG_PPC_MERGE),y)
+
 extra-$(CONFIG_PPC_STD_MMU)	:= head_32.o
 extra-$(CONFIG_PPC64)		:= head_64.o
 extra-$(CONFIG_40x)		:= head_4xx.o
@@ -21,15 +27,12 @@ extra-$(CONFIG_PPC64)		+= entry_64.o
 extra-$(CONFIG_PPC_FPU)		+= fpu.o
 extra-y				+= vmlinux.lds
 
-obj-y				+= traps.o prom.o semaphore.o
+obj-y				+= process.o init_task.o \
+				   prom.o systbl.o
 obj-$(CONFIG_PPC32)		+= entry_32.o setup_32.o misc_32.o
-obj-$(CONFIG_PPC64)		+= idle_power4.o
-obj-$(CONFIG_PPC64)		+= misc_64.o
-ifeq ($(CONFIG_PPC32),y)
+obj-$(CONFIG_PPC64)		+= setup_64.o misc_64.o
 obj-$(CONFIG_PPC_OF)		+= prom_init.o of_device.o
 obj-$(CONFIG_MODULES)		+= ppc_ksyms.o
-endif
-obj-$(CONFIG_ALTIVEC)		+= vecemu.o vector.o
 obj-$(CONFIG_BOOTX_TEXT)	+= btext.o
 
 ifeq ($(CONFIG_PPC_ISERIES),y)

arch/powerpc/kernel/asm-offsets.c

@@ -111,6 +111,7 @@ int main(void)
 	DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
 	DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
 	DEFINE(PLATFORM, offsetof(struct systemcfg, platform));
+	DEFINE(PLATFORM_LPAR, PLATFORM_LPAR);
 
 	/* paca */
 	DEFINE(PACA_SIZE, sizeof(struct paca_struct));

arch/powerpc/kernel/btext.c

@@ -50,7 +50,7 @@ static unsigned char vga_font[cmapsz];
 int boot_text_mapped;
 int force_printk_to_btext = 0;
 
-
+#ifdef CONFIG_PPC32
 /* Calc BAT values for mapping the display and store them
  * in disp_BAT.  Those values are then used from head.S to map
  * the display during identify_machine() and MMU_Init()
@@ -93,6 +93,7 @@ btext_prepare_BAT(void)
 	}
 	logicalDisplayBase = (void *) (vaddr + lowbits);
 }
+#endif
 
 /* This function will enable the early boot text when doing OF booting. This
  * way, xmon output should work too

arch/powerpc/kernel/head_64.S

@@ -746,6 +746,7 @@ bad_stack:
  * any task or sent any task a signal, you should use
  * ret_from_except or ret_from_except_lite instead of this.
  */
+	.globl	fast_exception_return
 fast_exception_return:
 	ld	r12,_MSR(r1)
 	ld	r11,_NIP(r1)

arch/powerpc/kernel/ppc_ksyms.c

@@ -51,6 +51,7 @@
 #include <asm/commproc.h>
 #endif
 
+#ifdef CONFIG_PPC32
 extern void transfer_to_handler(void);
 extern void do_IRQ(struct pt_regs *regs);
 extern void machine_check_exception(struct pt_regs *regs);
@@ -61,14 +62,12 @@ extern int do_signal(sigset_t *, struct pt_regs *);
 extern int pmac_newworld;
 extern int sys_sigreturn(struct pt_regs *regs);
 
-long long __ashrdi3(long long, int);
-long long __ashldi3(long long, int);
-long long __lshrdi3(long long, int);
-
-extern unsigned long mm_ptov (unsigned long paddr);
-
 EXPORT_SYMBOL(clear_pages);
-EXPORT_SYMBOL(clear_user_page);
+EXPORT_SYMBOL(ISA_DMA_THRESHOLD);
+EXPORT_SYMBOL(DMA_MODE_READ);
+EXPORT_SYMBOL(DMA_MODE_WRITE);
+EXPORT_SYMBOL(__div64_32);
+
 EXPORT_SYMBOL(do_signal);
 EXPORT_SYMBOL(transfer_to_handler);
 EXPORT_SYMBOL(do_IRQ);
@@ -77,12 +76,8 @@ EXPORT_SYMBOL(alignment_exception);
 EXPORT_SYMBOL(program_check_exception);
 EXPORT_SYMBOL(single_step_exception);
 EXPORT_SYMBOL(sys_sigreturn);
-EXPORT_SYMBOL(ppc_n_lost_interrupts);
-EXPORT_SYMBOL(ppc_lost_interrupts);
+#endif
 
-EXPORT_SYMBOL(ISA_DMA_THRESHOLD);
-EXPORT_SYMBOL(DMA_MODE_READ);
-EXPORT_SYMBOL(DMA_MODE_WRITE);
 #if defined(CONFIG_PPC_PREP)
 EXPORT_SYMBOL(_prep_type);
 EXPORT_SYMBOL(ucSystemType);
@@ -110,7 +105,6 @@ EXPORT_SYMBOL(strnlen);
 EXPORT_SYMBOL(strcmp);
 EXPORT_SYMBOL(strncmp);
 EXPORT_SYMBOL(strcasecmp);
-EXPORT_SYMBOL(__div64_32);
 
 EXPORT_SYMBOL(csum_partial);
 EXPORT_SYMBOL(csum_partial_copy_generic);
@@ -132,21 +126,21 @@ EXPORT_SYMBOL(_insw_ns);
 EXPORT_SYMBOL(_outsw_ns);
 EXPORT_SYMBOL(_insl_ns);
 EXPORT_SYMBOL(_outsl_ns);
-EXPORT_SYMBOL(iopa);
-EXPORT_SYMBOL(mm_ptov);
 EXPORT_SYMBOL(ioremap);
 #ifdef CONFIG_44x
 EXPORT_SYMBOL(ioremap64);
 #endif
 EXPORT_SYMBOL(__ioremap);
 EXPORT_SYMBOL(iounmap);
+#ifdef CONFIG_PPC32
 EXPORT_SYMBOL(ioremap_bot);	/* aka VMALLOC_END */
+#endif
 
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
+#if defined(CONFIG_PPC32) && (defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE))
 EXPORT_SYMBOL(ppc_ide_md);
 #endif
 
-#ifdef CONFIG_PCI
+#if defined(CONFIG_PCI) && defined(CONFIG_PPC32)
 EXPORT_SYMBOL(isa_io_base);
 EXPORT_SYMBOL(isa_mem_base);
 EXPORT_SYMBOL(pci_dram_offset);
@@ -168,31 +162,31 @@ EXPORT_SYMBOL(flush_dcache_all);
 EXPORT_SYMBOL(start_thread);
 EXPORT_SYMBOL(kernel_thread);
 
-EXPORT_SYMBOL(flush_instruction_cache);
 EXPORT_SYMBOL(giveup_fpu);
+#ifdef CONFIG_ALTIVEC
+EXPORT_SYMBOL(giveup_altivec);
+#endif /* CONFIG_ALTIVEC */
+#ifdef CONFIG_SPE
+EXPORT_SYMBOL(giveup_spe);
+#endif /* CONFIG_SPE */
+
 #ifdef CONFIG_PPC64
 EXPORT_SYMBOL(__flush_icache_range);
 #else
+EXPORT_SYMBOL(flush_instruction_cache);
 EXPORT_SYMBOL(flush_icache_range);
-#endif
-EXPORT_SYMBOL(flush_dcache_range);
-EXPORT_SYMBOL(flush_icache_user_range);
-EXPORT_SYMBOL(flush_dcache_page);
 EXPORT_SYMBOL(flush_tlb_kernel_range);
 EXPORT_SYMBOL(flush_tlb_page);
 EXPORT_SYMBOL(_tlbie);
-#ifdef CONFIG_ALTIVEC
-EXPORT_SYMBOL(giveup_altivec);
-#endif /* CONFIG_ALTIVEC */
-#ifdef CONFIG_SPE
-EXPORT_SYMBOL(giveup_spe);
-#endif /* CONFIG_SPE */
+#endif
+EXPORT_SYMBOL(flush_dcache_range);
+
 #ifdef CONFIG_SMP
 EXPORT_SYMBOL(smp_call_function);
+#ifdef CONFIG_PPC32
 EXPORT_SYMBOL(smp_hw_index);
 #endif
-
-EXPORT_SYMBOL(ppc_md);
+#endif
 
 #ifdef CONFIG_ADB
 EXPORT_SYMBOL(adb_request);
@@ -205,25 +199,27 @@ EXPORT_SYMBOL(adb_try_handler_change);
 EXPORT_SYMBOL(cuda_request);
 EXPORT_SYMBOL(cuda_poll);
 #endif /* CONFIG_ADB_CUDA */
-#ifdef CONFIG_PPC_MULTIPLATFORM
+#if defined(CONFIG_PPC_MULTIPLATFORM) && defined(CONFIG_PPC32)
 EXPORT_SYMBOL(_machine);
 #endif
 #ifdef CONFIG_PPC_PMAC
 EXPORT_SYMBOL(sys_ctrler);
-EXPORT_SYMBOL(pmac_newworld);
 #endif
 #ifdef CONFIG_VT
 EXPORT_SYMBOL(kd_mksound);
 #endif
 EXPORT_SYMBOL(to_tm);
 
-EXPORT_SYMBOL(pm_power_off);
-
+#ifdef CONFIG_PPC32
+long long __ashrdi3(long long, int);
+long long __ashldi3(long long, int);
+long long __lshrdi3(long long, int);
 EXPORT_SYMBOL(__ashrdi3);
 EXPORT_SYMBOL(__ashldi3);
 EXPORT_SYMBOL(__lshrdi3);
+#endif
+
 EXPORT_SYMBOL(memcpy);
-EXPORT_SYMBOL(cacheable_memcpy);
 EXPORT_SYMBOL(memset);
 EXPORT_SYMBOL(memmove);
 EXPORT_SYMBOL(memscan);
@@ -234,17 +230,14 @@ EXPORT_SYMBOL(memchr);
 EXPORT_SYMBOL(screen_info);
 #endif
 
+#ifdef CONFIG_PPC32
+EXPORT_SYMBOL(pm_power_off);
 EXPORT_SYMBOL(__delay);
 EXPORT_SYMBOL(timer_interrupt);
 EXPORT_SYMBOL(irq_desc);
 EXPORT_SYMBOL(tb_ticks_per_jiffy);
-EXPORT_SYMBOL(get_wchan);
 EXPORT_SYMBOL(console_drivers);
-
-#ifdef CONFIG_PPC_ISERIES
-EXPORT_SYMBOL(local_irq_disable);
-EXPORT_SYMBOL(local_irq_enable);
-EXPORT_SYMBOL(local_get_flags);
+EXPORT_SYMBOL(cacheable_memcpy);
 #endif
 
 #ifdef CONFIG_XMON
@@ -255,22 +248,6 @@ EXPORT_SYMBOL(__up);
 EXPORT_SYMBOL(__down);
 EXPORT_SYMBOL(__down_interruptible);
 
-#if defined(CONFIG_KGDB) || defined(CONFIG_XMON)
-extern void (*debugger)(struct pt_regs *regs);
-extern int (*debugger_bpt)(struct pt_regs *regs);
-extern int (*debugger_sstep)(struct pt_regs *regs);
-extern int (*debugger_iabr_match)(struct pt_regs *regs);
-extern int (*debugger_dabr_match)(struct pt_regs *regs);
-extern void (*debugger_fault_handler)(struct pt_regs *regs);
-
-EXPORT_SYMBOL(debugger);
-EXPORT_SYMBOL(debugger_bpt);
-EXPORT_SYMBOL(debugger_sstep);
-EXPORT_SYMBOL(debugger_iabr_match);
-EXPORT_SYMBOL(debugger_dabr_match);
-EXPORT_SYMBOL(debugger_fault_handler);
-#endif
-
 #ifdef  CONFIG_8xx
 EXPORT_SYMBOL(cpm_install_handler);
 EXPORT_SYMBOL(cpm_free_handler);
@@ -280,22 +257,24 @@ EXPORT_SYMBOL(cpm_free_handler);
 EXPORT_SYMBOL(__res);
 #endif
 
+#ifdef CONFIG_PPC32
 EXPORT_SYMBOL(next_mmu_context);
 EXPORT_SYMBOL(set_context);
-EXPORT_SYMBOL_GPL(__handle_mm_fault); /* For MOL */
 EXPORT_SYMBOL(disarm_decr);
-#ifdef CONFIG_PPC_STD_MMU
+#endif
+
+#ifdef CONFIG_PPC_STD_MMU_32
 extern long mol_trampoline;
 EXPORT_SYMBOL(mol_trampoline); /* For MOL */
 EXPORT_SYMBOL(flush_hash_pages); /* For MOL */
+EXPORT_SYMBOL_GPL(__handle_mm_fault); /* For MOL */
 #ifdef CONFIG_SMP
 extern int mmu_hash_lock;
 EXPORT_SYMBOL(mmu_hash_lock); /* For MOL */
 #endif /* CONFIG_SMP */
 extern long *intercept_table;
 EXPORT_SYMBOL(intercept_table);
-#endif /* CONFIG_PPC_STD_MMU */
-EXPORT_SYMBOL(cur_cpu_spec);
+#endif /* CONFIG_PPC_STD_MMU_32 */
 #ifdef CONFIG_PPC_PMAC
 extern unsigned long agp_special_page;
 EXPORT_SYMBOL(agp_special_page);

arch/powerpc/kernel/prom.c

@@ -47,6 +47,10 @@
 #include <asm/sections.h>
 #include <asm/machdep.h>
 #include <asm/pSeries_reconfig.h>
+#include <asm/pci-bridge.h>
+#ifdef CONFIG_PPC64
+#include <asm/systemcfg.h>
+#endif
 
 #ifdef DEBUG
 #define DBG(fmt...) printk(KERN_ERR fmt)
@@ -1072,7 +1076,7 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
 	} else {
 		/* Check if it's the boot-cpu, set it's hw index in paca now */
 		if (get_flat_dt_prop(node, "linux,boot-cpu", NULL) != NULL) {
-			u32 *prop = get_flat_dt_prop(node, "reg", NULL);
+			prop = get_flat_dt_prop(node, "reg", NULL);
 			set_hard_smp_processor_id(0, prop == NULL ? 0 : *prop);
 			boot_cpuid_phys = get_hard_smp_processor_id(0);
 		}

arch/powerpc/lib/Makefile

@@ -7,3 +7,7 @@ obj-$(CONFIG_PPC32)	+= div64.o copy_32.o checksum_32.o
 obj-$(CONFIG_PPC64)	+= copypage_64.o copyuser_64.o memcpy_64.o \
 			   usercopy_64.o sstep.o checksum_64.o mem_64.o
 obj-$(CONFIG_PPC_ISERIES) += e2a.o
+ifeq ($(CONFIG_PPC64),y)
+obj-$(CONFIG_SMP)	+= locks.o
+endif
+

arch/powerpc/lib/locks.c

+/*
+ * Spin and read/write lock operations.
+ *
+ * Copyright (C) 2001-2004 Paul Mackerras <paulus@au.ibm.com>, IBM
+ * Copyright (C) 2001 Anton Blanchard <anton@au.ibm.com>, IBM
+ * Copyright (C) 2002 Dave Engebretsen <engebret@us.ibm.com>, IBM
+ *   Rework to support virtual processors
+ *
+ * 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 the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/module.h>
+#include <linux/stringify.h>
+
+/* waiting for a spinlock... */
+#if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES)
+#include <asm/hvcall.h>
+#include <asm/iSeries/HvCall.h>
+
+void __spin_yield(raw_spinlock_t *lock)
+{
+	unsigned int lock_value, holder_cpu, yield_count;
+	struct paca_struct *holder_paca;
+
+	lock_value = lock->slock;
+	if (lock_value == 0)
+		return;
+	holder_cpu = lock_value & 0xffff;
+	BUG_ON(holder_cpu >= NR_CPUS);
+	holder_paca = &paca[holder_cpu];
+	yield_count = holder_paca->lppaca.yield_count;
+	if ((yield_count & 1) == 0)
+		return;		/* virtual cpu is currently running */
+	rmb();
+	if (lock->slock != lock_value)
+		return;		/* something has changed */
+#ifdef CONFIG_PPC_ISERIES
+	HvCall2(HvCallBaseYieldProcessor, HvCall_YieldToProc,
+		((u64)holder_cpu << 32) | yield_count);
+#else
+	plpar_hcall_norets(H_CONFER, get_hard_smp_processor_id(holder_cpu),
+			   yield_count);
+#endif
+}
+
+/*
+ * Waiting for a read lock or a write lock on a rwlock...
+ * This turns out to be the same for read and write locks, since
+ * we only know the holder if it is write-locked.
+ */
+void __rw_yield(raw_rwlock_t *rw)
+{
+	int lock_value;
+	unsigned int holder_cpu, yield_count;
+	struct paca_struct *holder_paca;
+
+	lock_value = rw->lock;
+	if (lock_value >= 0)
+		return;		/* no write lock at present */
+	holder_cpu = lock_value & 0xffff;
+	BUG_ON(holder_cpu >= NR_CPUS);
+	holder_paca = &paca[holder_cpu];
+	yield_count = holder_paca->lppaca.yield_count;
+	if ((yield_count & 1) == 0)
+		return;		/* virtual cpu is currently running */
+	rmb();
+	if (rw->lock != lock_value)
+		return;		/* something has changed */
+#ifdef CONFIG_PPC_ISERIES
+	HvCall2(HvCallBaseYieldProcessor, HvCall_YieldToProc,
+		((u64)holder_cpu << 32) | yield_count);
+#else
+	plpar_hcall_norets(H_CONFER, get_hard_smp_processor_id(holder_cpu),
+			   yield_count);
+#endif
+}
+#endif
+
+void __raw_spin_unlock_wait(raw_spinlock_t *lock)
+{
+	while (lock->slock) {
+		HMT_low();
+		if (SHARED_PROCESSOR)
+			__spin_yield(lock);
+	}
+	HMT_medium();
+}
+
+EXPORT_SYMBOL(__raw_spin_unlock_wait);

arch/ppc64/Kconfig

@@ -186,6 +186,9 @@ config BOOTX_TEXT
 	  Say Y here to see progress messages from the boot firmware in text
 	  mode. Requires an Open Firmware compatible video card.
 
+config POWER4
+	def_bool y
+
 config POWER4_ONLY
 	bool "Optimize for POWER4"
 	default n

arch/ppc64/kernel/Makefile

@@ -2,14 +2,14 @@
 # Makefile for the linux ppc64 kernel.
 #
 
-EXTRA_CFLAGS	+= -mno-minimal-toc
 ifneq ($(CONFIG_PPC_MERGE),y)
+
+EXTRA_CFLAGS	+= -mno-minimal-toc
 extra-y		:= head.o vmlinux.lds
-endif
 
 obj-y               :=	setup.o entry.o irq.o idle.o dma.o \
 			time.o process.o signal.o syscalls.o misc.o ptrace.o \
-			align.o semaphore.o bitops.o pacaData.o \
+			align.o bitops.o pacaData.o \
 			udbg.o binfmt_elf32.o sys_ppc32.o ioctl32.o \
 			ptrace32.o signal32.o rtc.o init_task.o \
 			cputable.o cpu_setup_power4.o \
@@ -43,7 +43,6 @@ obj-$(CONFIG_HVC_CONSOLE)	+= hvconsole.o
 obj-$(CONFIG_BOOTX_TEXT)	+= btext.o
 obj-$(CONFIG_HVCS)		+= hvcserver.o
 
-vio-obj-$(CONFIG_PPC_PSERIES)	+= pSeries_vio.o
 obj-$(CONFIG_IBMVIO)		+= vio.o $(vio-obj-y)
 obj-$(CONFIG_XICS)		+= xics.o
 obj-$(CONFIG_MPIC)		+= mpic.o
@@ -59,8 +58,6 @@ obj-$(CONFIG_U3_DART)		+= u3_iommu.o
 
 ifdef CONFIG_SMP
 obj-$(CONFIG_PPC_PMAC)		+= pmac_smp.o smp-tbsync.o
-obj-$(CONFIG_PPC_PSERIES)	+= pSeries_smp.o
-obj-$(CONFIG_PPC_BPA)		+= pSeries_smp.o
 obj-$(CONFIG_PPC_MAPLE)		+= smp-tbsync.o
 endif
 
@@ -68,9 +65,62 @@ obj-$(CONFIG_KPROBES)		+= kprobes.o
 
 CFLAGS_ioctl32.o += -Ifs/
 
-ifneq ($(CONFIG_PPC_MERGE),y)
 ifeq ($(CONFIG_PPC_ISERIES),y)
 arch/ppc64/kernel/head.o: arch/powerpc/kernel/lparmap.s
 AFLAGS_head.o += -Iarch/powerpc/kernel
 endif
+
+else
+
+# Things still needed from here by the merged ppc code
+
+obj-y               :=	irq.o idle.o dma.o \
+			time.o signal.o syscalls.o ptrace.o \
+			align.o bitops.o pacaData.o \
+			udbg.o binfmt_elf32.o sys_ppc32.o ioctl32.o \
+			ptrace32.o signal32.o rtc.o \
+			cputable.o cpu_setup_power4.o \
+			iommu.o sysfs.o vdso.o pmc.o firmware.o
+obj-y += vdso32/ vdso64/
+
+pci-obj-$(CONFIG_PPC_MULTIPLATFORM)	+= pci_dn.o pci_direct_iommu.o
+
+obj-$(CONFIG_PCI)	+= pci.o pci_iommu.o iomap.o $(pci-obj-y)
+
+obj-$(CONFIG_PPC_MULTIPLATFORM) += nvram.o i8259.o
+
+obj-$(CONFIG_PPC_PSERIES) += rtasd.o ras.o udbg_16550.o
+
+obj-$(CONFIG_PPC_BPA) += bpa_setup.o bpa_iommu.o bpa_nvram.o \
+			 bpa_iic.o spider-pic.o
+
+obj-$(CONFIG_KEXEC)		+= machine_kexec.o
+obj-$(CONFIG_EEH)		+= eeh.o
+obj-$(CONFIG_PROC_FS)		+= proc_ppc64.o
+obj-$(CONFIG_RTAS_FLASH)	+= rtas_flash.o
+obj-$(CONFIG_SMP)		+= smp.o
+obj-$(CONFIG_MODULES)		+= module.o
+obj-$(CONFIG_PPC_RTAS)		+= rtas.o rtas_pci.o
+obj-$(CONFIG_RTAS_PROC)		+= rtas-proc.o
+obj-$(CONFIG_SCANLOG)		+= scanlog.o
+obj-$(CONFIG_LPARCFG)		+= lparcfg.o
+obj-$(CONFIG_HVC_CONSOLE)	+= hvconsole.o
+obj-$(CONFIG_HVCS)		+= hvcserver.o
+
+obj-$(CONFIG_IBMVIO)		+= vio.o
+obj-$(CONFIG_XICS)		+= xics.o
+
+obj-$(CONFIG_PPC_MAPLE)		+= maple_setup.o maple_pci.o maple_time.o \
+				   udbg_16550.o
+
+obj-$(CONFIG_U3_DART)		+= u3_iommu.o
+
+ifdef CONFIG_SMP
+obj-$(CONFIG_PPC_MAPLE)		+= smp-tbsync.o
+endif
+
+obj-$(CONFIG_KPROBES)		+= kprobes.o
+
+CFLAGS_ioctl32.o += -Ifs/
+
 endif

arch/ppc64/kernel/asm-offsets.c

@@ -77,6 +77,7 @@ int main(void)
 	DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
 	DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
 	DEFINE(PLATFORM, offsetof(struct systemcfg, platform));
+	DEFINE(PLATFORM_LPAR, PLATFORM_LPAR);
 
 	/* paca */
         DEFINE(PACA_SIZE, sizeof(struct paca_struct));

arch/ppc64/kernel/bpa_iommu.c

@@ -99,7 +99,7 @@ get_iost_entry(unsigned long iopt_base, unsigned long io_address, unsigned page_
 		break;
 
 	default: /* not a known compile time constant */
-		BUILD_BUG_ON(1);
+		BUG_ON(1);
 		break;
 	}
 

arch/ppc64/kernel/bpa_setup.c

@@ -44,6 +44,7 @@
 #include <asm/nvram.h>
 #include <asm/cputable.h>
 #include <asm/ppc-pci.h>
+#include <asm/irq.h>
 
 #include "bpa_iic.h"
 #include "bpa_iommu.h"

arch/ppc64/kernel/maple_setup.c

@@ -60,6 +60,7 @@
 #include <asm/of_device.h>
 #include <asm/lmb.h>
 #include <asm/mpic.h>
+#include <asm/udbg.h>
 
 #ifdef DEBUG
 #define DBG(fmt...) udbg_printf(fmt)

arch/ppc64/kernel/pmac_setup.c

@@ -73,6 +73,7 @@
 #include <asm/smu.h>
 #include <asm/pmc.h>
 #include <asm/mpic.h>
+#include <asm/udbg.h>
 
 #include "pmac.h"
 

include/asm-powerpc/hardirq.h

 #ifndef _ASM_POWERPC_HARDIRQ_H
 #define _ASM_POWERPC_HARDIRQ_H
 
+#include <asm/irq.h>
+#include <asm/bug.h>
+
 /* The __last_jiffy_stamp field is needed to ensure that no decrementer
  * interrupt is lost on SMP machines. Since on most CPUs it is in the same
  * cache line as local_irq_count, it is cheap to access and is also used on UP

include/asm-powerpc/hw_irq.h

@@ -10,7 +10,6 @@
 #include <linux/errno.h>
 #include <asm/ptrace.h>
 #include <asm/processor.h>
-#include <asm/irq.h>
 
 extern void timer_interrupt(struct pt_regs *);
 extern void ppc_irq_dispatch_handler(struct pt_regs *regs, int irq);

include/asm-powerpc/ppc_asm.h

 /*
  * Copyright (C) 1995-1999 Gary Thomas, Paul Mackerras, Cort Dougan.
  */
-
 #ifndef _ASM_POWERPC_PPC_ASM_H
 #define _ASM_POWERPC_PPC_ASM_H
 
+#include <linux/stringify.h>
+#include <linux/config.h>
+
 #ifdef __ASSEMBLY__
 
 /*
@@ -87,6 +89,66 @@
 #define RFDI		.long 0x4c00004e	/* rfdi instruction */
 #define RFMCI		.long 0x4c00004c	/* rfmci instruction */
 
+#ifdef CONFIG_PPC64
+
+#define XGLUE(a,b) a##b
+#define GLUE(a,b) XGLUE(a,b)
+
+#define _GLOBAL(name) \
+	.section ".text"; \
+	.align 2 ; \
+	.globl name; \
+	.globl GLUE(.,name); \
+	.section ".opd","aw"; \
+name: \
+	.quad GLUE(.,name); \
+	.quad .TOC.@tocbase; \
+	.quad 0; \
+	.previous; \
+	.type GLUE(.,name),@function; \
+GLUE(.,name):
+
+#define _KPROBE(name) \
+	.section ".kprobes.text","a"; \
+	.align 2 ; \
+	.globl name; \
+	.globl GLUE(.,name); \
+	.section ".opd","aw"; \
+name: \
+	.quad GLUE(.,name); \
+	.quad .TOC.@tocbase; \
+	.quad 0; \
+	.previous; \
+	.type GLUE(.,name),@function; \
+GLUE(.,name):
+
+#define _STATIC(name) \
+	.section ".text"; \
+	.align 2 ; \
+	.section ".opd","aw"; \
+name: \
+	.quad GLUE(.,name); \
+	.quad .TOC.@tocbase; \
+	.quad 0; \
+	.previous; \
+	.type GLUE(.,name),@function; \
+GLUE(.,name):
+
+#else /* 32-bit */
+
+#define _GLOBAL(n)	\
+	.text;		\
+	.stabs __stringify(n:F-1),N_FUN,0,0,n;\
+	.globl n;	\
+n:
+
+#define _KPROBE(n)	\
+	.section ".kprobes.text","a";	\
+	.globl	n;	\
+n:
+
+#endif
+
 /* 
  * LOADADDR( rn, name )
  *   loads the address of 'name' into 'rn'
@@ -251,31 +313,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
 	.previous
 #endif
 
-/*
- * On 64-bit cpus, we use the rfid instruction instead of rfi, but
- * we then have to make sure we preserve the top 32 bits except for
- * the 64-bit mode bit, which we clear.
- */
-#if defined(CONFIG_PPC64BRIDGE)
-#define	FIX_SRR1(ra, rb)	\
-	mr	rb,ra;		\
-	mfmsr	ra;		\
-	clrldi	ra,ra,1;		/* turn off 64-bit mode */ \
-	rldimi	ra,rb,0,32
-#define	RFI		.long	0x4c000024	/* rfid instruction */
-#define MTMSRD(r)	.long	(0x7c000164 + ((r) << 21))	/* mtmsrd */
-#define CLR_TOP32(r)	rlwinm	(r),(r),0,0,31	/* clear top 32 bits */
-#elif defined(CONFIG_PPC64)
-/* Insert the high 32 bits of the MSR into what will be the new
-   MSR (via SRR1 and rfid)  This preserves the MSR.SF and MSR.ISF
-   bits. */
-
-#define FIX_SRR1(ra, rb)	\
-	mr	rb,ra;		\
-	mfmsr	ra;		\
-	rldimi	ra,rb,0,32
-
-#define CLR_TOP32(r)	rlwinm	(r),(r),0,0,31	/* clear top 32 bits */
+#ifdef CONFIG_PPC64
+#define RFI		rfid
+#define MTMSRD(r)	mtmsrd	r
 
 #else
 #define FIX_SRR1(ra, rb)

include/asm-powerpc/prom.h

@@ -196,6 +196,7 @@ extern int prom_n_intr_cells(struct device_node* np);
 extern void prom_get_irq_senses(unsigned char *senses, int off, int max);
 extern void prom_add_property(struct device_node* np, struct property* prop);
 
+#ifdef CONFIG_PPC32
 /*
  * PCI <-> OF matching functions
  * (XXX should these be here?)
@@ -207,6 +208,8 @@ extern int pci_device_from_OF_node(struct device_node *node,
 extern struct device_node* pci_busdev_to_OF_node(struct pci_bus *, int);
 extern struct device_node* pci_device_to_OF_node(struct pci_dev *);
 extern void pci_create_OF_bus_map(void);
+#endif
+
 extern struct resource *request_OF_resource(struct device_node* node,
 				int index, const char* name_postfix);
 extern int release_OF_resource(struct device_node* node, int index);

include/asm-powerpc/system.h

@@ -9,6 +9,7 @@
 
 #include <asm/hw_irq.h>
 #include <asm/ppc_asm.h>
+#include <asm/atomic.h>
 
 /*
  * Memory barrier.
@@ -127,6 +128,7 @@ extern void flush_fp_to_thread(struct task_struct *);
 extern void enable_kernel_altivec(void);
 extern void giveup_altivec(struct task_struct *);
 extern void load_up_altivec(struct task_struct *);
+extern int emulate_altivec(struct pt_regs *);
 extern void giveup_spe(struct task_struct *);
 extern void load_up_spe(struct task_struct *);
 extern int fix_alignment(struct pt_regs *);
@@ -176,6 +178,7 @@ extern struct task_struct *_switch(struct thread_struct *prev,
 				   struct thread_struct *next);
 
 extern unsigned int rtas_data;
+extern int mem_init_done;	/* set on boot once kmalloc can be called */
 
 /*
  * Atomic exchange

include/asm-ppc64/pci-bridge.h

@@ -106,6 +106,16 @@ static inline struct device_node *pci_device_to_OF_node(struct pci_dev *dev)
 	return fetch_dev_dn(dev);
 }
 
+static inline int pci_device_from_OF_node(struct device_node *np,
+					  u8 *bus, u8 *devfn)
+{
+	if (!PCI_DN(np))
+		return -ENODEV;
+	*bus = PCI_DN(np)->busno;
+	*devfn = PCI_DN(np)->devfn;
+	return 0;
+}
+
 static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus)
 {
 	if (bus->self)