Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Pass NULL not 0 for pointer value.
  [MIPS] IP27: Make declaration of setup_replication_mask a proper prototype.
  [MIPS] BigSur: More useful defconfig.
  [MIPS] Cleanup definitions of speed_t and tcflag_t.
  [MIPS] Fix compilation warnings in arch/mips/sibyte/bcm1480/smp.c
  [MIPS] Optimize and cleanup get_saved_sp, set_saved_sp
  [MIPS] <asm/irq.h> does not need pt_regs anymore.
  [MIPS] Workaround for bug in gcc -EB / -EL options.
  [MIPS] Fix timer setup for Jazz

arch/mips/Makefile

@@ -91,8 +91,17 @@ cflags-y += -ffreestanding
 # carefully avoid to add it redundantly because gcc 3.3/3.4 complains
 # when fed the toolchain default!
 #
-cflags-$(CONFIG_CPU_BIG_ENDIAN)		+= $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB -D__MIPSEB__)
+# Certain gcc versions upto gcc 4.1.1 (probably 4.2-subversion as of
-cflags-$(CONFIG_CPU_LITTLE_ENDIAN)	+= $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL -D__MIPSEL__)
+# 2006-10-10 don't properly change the the predefined symbols if -EB / -EL
+# are used, so we kludge that here.  A bug has been filed at
+# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
+#
+undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
+undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
+predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
+predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
+cflags-$(CONFIG_CPU_BIG_ENDIAN)		+= $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be))
+cflags-$(CONFIG_CPU_LITTLE_ENDIAN)	+= $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
 
 cflags-$(CONFIG_SB1XXX_CORELIS)	+= $(call cc-option,-mno-sched-prolog) \
 				   -fno-omit-frame-pointer

arch/mips/configs/bigsur_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18-rc1
+# Linux kernel version: 2.6.19-rc1
-# Thu Jul  6 10:02:58 2006
+# Wed Oct 11 01:41:41 2006
 #
 CONFIG_MIPS=y
 
@@ -25,8 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_IVR is not set
-# CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
 # CONFIG_LASAT is not set
 # CONFIG_MIPS_ATLAS is not set
@@ -83,6 +81,7 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_TIME=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_DMA_COHERENT=y
 CONFIG_CPU_BIG_ENDIAN=y
@@ -132,8 +131,8 @@ CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_64KB is not set
 # CONFIG_SIBYTE_DMA_PAGEOPS is not set
 CONFIG_MIPS_MT_DISABLED=y
-# CONFIG_MIPS_MT_SMTC is not set
 # CONFIG_MIPS_MT_SMP is not set
+# CONFIG_MIPS_MT_SMTC is not set
 # CONFIG_MIPS_VPE_LOADER is not set
 CONFIG_CPU_HAS_LLSC=y
 CONFIG_CPU_HAS_SYNC=y
@@ -185,9 +184,11 @@ CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
+# CONFIG_IPC_NS is not set
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
-CONFIG_SYSCTL=y
+# CONFIG_TASKSTATS is not set
+# CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
@@ -195,7 +196,9 @@ CONFIG_IKCONFIG_PROC=y
 # CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
 CONFIG_EMBEDDED=y
+# CONFIG_SYSCTL_SYSCALL is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -204,12 +207,12 @@ CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
 CONFIG_BASE_FULL=y
-CONFIG_RT_MUTEXES=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
 CONFIG_SHMEM=y
 CONFIG_SLAB=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 # CONFIG_SLOB is not set
@@ -228,6 +231,7 @@ CONFIG_STOP_MACHINE=y
 #
 # Block layer
 #
+CONFIG_BLOCK=y
 # CONFIG_BLK_DEV_IO_TRACE is not set
 
 #
@@ -249,18 +253,17 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
 CONFIG_HW_HAS_PCI=y
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
+# CONFIG_PCI_MULTITHREAD_PROBE is not set
 CONFIG_PCI_DEBUG=y
 CONFIG_MMU=y
 
 #
 # PCCARD (PCMCIA/CardBus) support
 #
-# CONFIG_PCCARD is not set
 
 #
 # PCI Hotplug Support
 #
-# CONFIG_HOTPLUG_PCI is not set
 
 #
 # Executable file formats
@@ -271,7 +274,7 @@ CONFIG_BINFMT_ELF=y
 CONFIG_MIPS32_COMPAT=y
 CONFIG_COMPAT=y
 CONFIG_MIPS32_O32=y
-# CONFIG_MIPS32_N32 is not set
+CONFIG_MIPS32_N32=y
 CONFIG_BINFMT_ELF32=y
 
 #
@@ -288,6 +291,7 @@ CONFIG_PACKET_MMAP=y
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 CONFIG_XFRM_USER=m
+# CONFIG_XFRM_SUB_POLICY is not set
 CONFIG_NET_KEY=y
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -308,10 +312,12 @@ CONFIG_IP_PNP_BOOTP=y
 # CONFIG_INET_TUNNEL is not set
 CONFIG_INET_XFRM_MODE_TRANSPORT=m
 CONFIG_INET_XFRM_MODE_TUNNEL=m
+CONFIG_INET_XFRM_MODE_BEET=y
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
-CONFIG_TCP_CONG_BIC=y
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IPV6 is not set
 # CONFIG_INET6_XFRM_TUNNEL is not set
 # CONFIG_INET6_TUNNEL is not set
@@ -341,7 +347,6 @@ CONFIG_NETWORK_SECMARK=y
 # CONFIG_ATALK is not set
 # CONFIG_X25 is not set
 # CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
 
@@ -368,7 +373,6 @@ CONFIG_NETWORK_SECMARK=y
 #
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
-# CONFIG_FW_LOADER is not set
 # CONFIG_DEBUG_DRIVER is not set
 # CONFIG_SYS_HYPERVISOR is not set
 
@@ -404,7 +408,7 @@ CONFIG_BLK_DEV_LOOP=m
 CONFIG_BLK_DEV_NBD=m
 # CONFIG_BLK_DEV_SX8 is not set
 # CONFIG_BLK_DEV_RAM is not set
-# CONFIG_BLK_DEV_INITRD is not set
+CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
 
@@ -412,6 +416,7 @@ CONFIG_BLK_DEV_NBD=m
 # ATA/ATAPI/MFM/RLL support
 #
 CONFIG_IDE=y
+CONFIG_IDE_MAX_HWIFS=4
 CONFIG_BLK_DEV_IDE=y
 
 #
@@ -429,10 +434,40 @@ CONFIG_BLK_DEV_IDEFLOPPY=y
 # IDE chipset support/bugfixes
 #
 CONFIG_IDE_GENERIC=y
-# CONFIG_BLK_DEV_IDEPCI is not set
+CONFIG_BLK_DEV_IDEPCI=y
+# CONFIG_IDEPCI_SHARE_IRQ is not set
+# CONFIG_BLK_DEV_OFFBOARD is not set
+CONFIG_BLK_DEV_GENERIC=y
+# CONFIG_BLK_DEV_OPTI621 is not set
+CONFIG_BLK_DEV_IDEDMA_PCI=y
+# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
+# CONFIG_IDEDMA_PCI_AUTO is not set
+# CONFIG_BLK_DEV_AEC62XX is not set
+# CONFIG_BLK_DEV_ALI15X3 is not set
+# CONFIG_BLK_DEV_AMD74XX is not set
+CONFIG_BLK_DEV_CMD64X=y
+# CONFIG_BLK_DEV_TRIFLEX is not set
+# CONFIG_BLK_DEV_CY82C693 is not set
+# CONFIG_BLK_DEV_CS5520 is not set
+# CONFIG_BLK_DEV_CS5530 is not set
+# CONFIG_BLK_DEV_HPT34X is not set
+# CONFIG_BLK_DEV_HPT366 is not set
+# CONFIG_BLK_DEV_JMICRON is not set
+# CONFIG_BLK_DEV_SC1200 is not set
+# CONFIG_BLK_DEV_PIIX is not set
+# CONFIG_BLK_DEV_IT821X is not set
+# CONFIG_BLK_DEV_NS87415 is not set
+# CONFIG_BLK_DEV_PDC202XX_OLD is not set
+# CONFIG_BLK_DEV_PDC202XX_NEW is not set
+# CONFIG_BLK_DEV_SVWKS is not set
+# CONFIG_BLK_DEV_SIIMAGE is not set
+# CONFIG_BLK_DEV_SLC90E66 is not set
+# CONFIG_BLK_DEV_TRM290 is not set
+# CONFIG_BLK_DEV_VIA82CXXX is not set
 # CONFIG_BLK_DEV_IDE_SWARM is not set
 # CONFIG_IDE_ARM is not set
-# CONFIG_BLK_DEV_IDEDMA is not set
+CONFIG_BLK_DEV_IDEDMA=y
+# CONFIG_IDEDMA_IVB is not set
 # CONFIG_IDEDMA_AUTO is not set
 # CONFIG_BLK_DEV_HD is not set
 
@@ -441,6 +476,12 @@ CONFIG_IDE_GENERIC=y
 #
 # CONFIG_RAID_ATTRS is not set
 # CONFIG_SCSI is not set
+# CONFIG_SCSI_NETLINK is not set
+
+#
+# Serial ATA (prod) and Parallel ATA (experimental) drivers
+#
+# CONFIG_ATA is not set
 
 #
 # Multi-device support (RAID and LVM)
@@ -516,6 +557,7 @@ CONFIG_NET_SB1250_MAC=y
 # CONFIG_SK98LIN is not set
 # CONFIG_TIGON3 is not set
 # CONFIG_BNX2 is not set
+# CONFIG_QLA3XXX is not set
 
 #
 # Ethernet (10000 Mbit)
@@ -650,7 +692,6 @@ CONFIG_I2C_CHARDEV=y
 # CONFIG_I2C_ALGOBIT is not set
 # CONFIG_I2C_ALGOPCF is not set
 # CONFIG_I2C_ALGOPCA is not set
-CONFIG_I2C_ALGO_SIBYTE=y
 
 #
 # I2C Hardware Bus support
@@ -712,12 +753,12 @@ CONFIG_I2C_DEBUG_CHIP=y
 #
 # Misc devices
 #
+# CONFIG_TIFM_CORE is not set
 
 #
 # Multimedia devices
 #
 # CONFIG_VIDEO_DEV is not set
-CONFIG_VIDEO_V4L2=y
 
 #
 # Digital Video Broadcasting Devices
@@ -729,6 +770,7 @@ CONFIG_VIDEO_V4L2=y
 #
 # CONFIG_FIRMWARE_EDID is not set
 # CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
 # Sound
@@ -811,6 +853,7 @@ CONFIG_FS_MBCACHE=y
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
@@ -840,8 +883,10 @@ CONFIG_DNOTIFY=y
 #
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
@@ -851,6 +896,7 @@ CONFIG_RAMFS=y
 #
 # CONFIG_ADFS_FS is not set
 # CONFIG_AFFS_FS is not set
+# CONFIG_ECRYPT_FS is not set
 # CONFIG_HFS_FS is not set
 # CONFIG_HFSPLUS_FS is not set
 # CONFIG_BEFS_FS is not set
@@ -881,7 +927,6 @@ CONFIG_SUNRPC=y
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
 # CONFIG_CIFS is not set
-# CONFIG_CIFS_DEBUG2 is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
@@ -898,6 +943,10 @@ CONFIG_MSDOS_PARTITION=y
 #
 # CONFIG_NLS is not set
 
+#
+# Distributed Lock Manager
+#
+
 #
 # Profiling support
 #
@@ -907,7 +956,8 @@ CONFIG_MSDOS_PARTITION=y
 # Kernel hacking
 #
 CONFIG_TRACE_IRQFLAGS_SUPPORT=y
-CONFIG_PRINTK_TIME=y
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_KERNEL=y
@@ -920,12 +970,15 @@ CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_DEBUG_SPINLOCK is not set
 CONFIG_DEBUG_MUTEXES=y
 # CONFIG_DEBUG_RWSEMS is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_DEBUG_FS is not set
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_LIST is not set
 CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 CONFIG_CROSSCOMPILE=y
@@ -946,6 +999,10 @@ CONFIG_KEYS_DEBUG_PROC_KEYS=y
 # Cryptographic options
 #
 CONFIG_CRYPTO=y
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_BLKCIPHER=m
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_MANAGER=m
 CONFIG_CRYPTO_HMAC=y
 CONFIG_CRYPTO_NULL=y
 CONFIG_CRYPTO_MD4=y
@@ -955,9 +1012,12 @@ CONFIG_CRYPTO_SHA256=y
 CONFIG_CRYPTO_SHA512=y
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_TGR192=m
+CONFIG_CRYPTO_ECB=m
+CONFIG_CRYPTO_CBC=m
 CONFIG_CRYPTO_DES=y
 CONFIG_CRYPTO_BLOWFISH=y
 CONFIG_CRYPTO_TWOFISH=y
+CONFIG_CRYPTO_TWOFISH_COMMON=y
 CONFIG_CRYPTO_SERPENT=y
 CONFIG_CRYPTO_AES=m
 # CONFIG_CRYPTO_CAST5 is not set

arch/mips/jazz/setup.c

@@ -37,7 +37,7 @@ extern void jazz_machine_restart(char *command);
 extern void jazz_machine_halt(void);
 extern void jazz_machine_power_off(void);
 
-void __init plat_time_init(struct irqaction *irq)
+void __init plat_timer_setup(struct irqaction *irq)
 {
 	/* set the clock to 100 Hz */
 	r4030_write_reg32(JAZZ_TIMER_INTERVAL, 9);

arch/mips/kernel/smp.c

@@ -310,7 +310,7 @@ static void flush_tlb_all_ipi(void *info)
 
 void flush_tlb_all(void)
 {
-	on_each_cpu(flush_tlb_all_ipi, 0, 1, 1);
+	on_each_cpu(flush_tlb_all_ipi, NULL, 1, 1);
 }
 
 static void flush_tlb_mm_ipi(void *mm)

arch/mips/sgi-ip27/ip27-klnuma.c

@@ -26,7 +26,7 @@ static cpumask_t ktext_repmask;
  * kernel.  For example, we should never put a copy on a headless node,
  * and we should respect the topology of the machine.
  */
-void __init setup_replication_mask()
+void __init setup_replication_mask(void)
 {
 	cnodeid_t	cnode;
 

arch/mips/sibyte/bcm1480/smp.c

@@ -34,21 +34,21 @@ extern void smp_call_function_interrupt(void);
  * independent of board/firmware
  */
 
-static void *mailbox_0_set_regs[] = {
+static volatile void *mailbox_0_set_regs[] = {
 	IOADDR(A_BCM1480_IMR_CPU0_BASE + R_BCM1480_IMR_MAILBOX_0_SET_CPU),
 	IOADDR(A_BCM1480_IMR_CPU1_BASE + R_BCM1480_IMR_MAILBOX_0_SET_CPU),
 	IOADDR(A_BCM1480_IMR_CPU2_BASE + R_BCM1480_IMR_MAILBOX_0_SET_CPU),
 	IOADDR(A_BCM1480_IMR_CPU3_BASE + R_BCM1480_IMR_MAILBOX_0_SET_CPU),
 };
 
-static void *mailbox_0_clear_regs[] = {
+static volatile void *mailbox_0_clear_regs[] = {
 	IOADDR(A_BCM1480_IMR_CPU0_BASE + R_BCM1480_IMR_MAILBOX_0_CLR_CPU),
 	IOADDR(A_BCM1480_IMR_CPU1_BASE + R_BCM1480_IMR_MAILBOX_0_CLR_CPU),
 	IOADDR(A_BCM1480_IMR_CPU2_BASE + R_BCM1480_IMR_MAILBOX_0_CLR_CPU),
 	IOADDR(A_BCM1480_IMR_CPU3_BASE + R_BCM1480_IMR_MAILBOX_0_CLR_CPU),
 };
 
-static void *mailbox_0_regs[] = {
+static volatile void *mailbox_0_regs[] = {
 	IOADDR(A_BCM1480_IMR_CPU0_BASE + R_BCM1480_IMR_MAILBOX_0_CPU),
 	IOADDR(A_BCM1480_IMR_CPU1_BASE + R_BCM1480_IMR_MAILBOX_0_CPU),
 	IOADDR(A_BCM1480_IMR_CPU2_BASE + R_BCM1480_IMR_MAILBOX_0_CPU),

include/asm-mips/irq.h

@@ -24,8 +24,6 @@ static inline int irq_canonicalize(int irq)
 #define irq_canonicalize(irq) (irq)	/* Sane hardware, sane code ... */
 #endif
 
-struct pt_regs;
-
 extern asmlinkage unsigned int do_IRQ(unsigned int irq);
 
 #ifdef CONFIG_MIPS_MT_SMTC

include/asm-mips/stackframe.h

@@ -59,69 +59,43 @@
 		.endm
 
 #ifdef CONFIG_SMP
+#ifdef CONFIG_MIPS_MT_SMTC
+#define PTEBASE_SHIFT	19	/* TCBIND */
+#else
+#define PTEBASE_SHIFT	23	/* CONTEXT */
+#endif
 		.macro	get_saved_sp	/* SMP variation */
-#ifdef CONFIG_32BIT
 #ifdef CONFIG_MIPS_MT_SMTC
-		.set	mips32
+		mfc0	k0, CP0_TCBIND
-		mfc0	k0, CP0_TCBIND;
-		.set	mips0
-		lui	k1, %hi(kernelsp)
-		srl	k0, k0, 19
-		/* No need to shift down and up to clear bits 0-1 */
 #else
-		mfc0	k0, CP0_CONTEXT
+		MFC0	k0, CP0_CONTEXT
-		lui	k1, %hi(kernelsp)
-		srl	k0, k0, 23
 #endif
-		addu	k1, k0
+#if defined(CONFIG_BUILD_ELF64) || (defined(CONFIG_64BIT) && __GNUC__ < 4)
-		LONG_L	k1, %lo(kernelsp)(k1)
+		lui	k1, %highest(kernelsp)
-#endif
+		daddiu	k1, %higher(kernelsp)
-#ifdef CONFIG_64BIT
+		dsll	k1, 16
-#ifdef CONFIG_MIPS_MT_SMTC
+		daddiu	k1, %hi(kernelsp)
-		.set	mips64
+		dsll	k1, 16
-		mfc0	k0, CP0_TCBIND;
-		.set	mips0
-		lui	k0, %highest(kernelsp)
-		dsrl	k1, 19
-		/* No need to shift down and up to clear bits 0-2 */
 #else
-		MFC0	k1, CP0_CONTEXT
+		lui	k1, %hi(kernelsp)
-		lui	k0, %highest(kernelsp)
+#endif
-		dsrl	k1, 23
+		LONG_SRL	k0, PTEBASE_SHIFT
-		daddiu	k0, %higher(kernelsp)
+		LONG_ADDU	k1, k0
-		dsll	k0, k0, 16
-		daddiu	k0, %hi(kernelsp)
-		dsll	k0, k0, 16
-#endif /* CONFIG_MIPS_MT_SMTC */
-		daddu	k1, k1, k0
 		LONG_L	k1, %lo(kernelsp)(k1)
-#endif /* CONFIG_64BIT */
 		.endm
 
 		.macro	set_saved_sp stackp temp temp2
-#ifdef CONFIG_32BIT
 #ifdef CONFIG_MIPS_MT_SMTC
 		mfc0	\temp, CP0_TCBIND
-		srl	\temp, 19
-#else
-		mfc0	\temp, CP0_CONTEXT
-		srl	\temp, 23
-#endif
-#endif
-#ifdef CONFIG_64BIT
-#ifdef CONFIG_MIPS_MT_SMTC
-		mfc0	\temp, CP0_TCBIND
-		dsrl	\temp, 19
 #else
 		MFC0	\temp, CP0_CONTEXT
-		dsrl	\temp, 23
-#endif
 #endif
+		LONG_SRL	\temp, PTEBASE_SHIFT
 		LONG_S	\stackp, kernelsp(\temp)
 		.endm
 #else
 		.macro	get_saved_sp	/* Uniprocessor variation */
-#ifdef CONFIG_64BIT
+#if defined(CONFIG_BUILD_ELF64) || (defined(CONFIG_64BIT) && __GNUC__ < 4)
 		lui	k1, %highest(kernelsp)
 		daddiu	k1, %higher(kernelsp)
 		dsll	k1, k1, 16

include/asm-mips/termbits.h

@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 1995, 1996, 1999, 2001 Ralf Baechle
+ * Copyright (C) 1995, 96, 99, 2001, 06 Ralf Baechle
  * Copyright (C) 1999 Silicon Graphics, Inc.
  * Copyright (C) 2001 MIPS Technologies, Inc.
  */
@@ -13,14 +13,8 @@
 #include <linux/posix_types.h>
 
 typedef unsigned char cc_t;
-#if (_MIPS_SZLONG == 32)
+typedef unsigned int speed_t;
-typedef unsigned long speed_t;
+typedef unsigned int tcflag_t;
-typedef unsigned long tcflag_t;
-#endif
-#if (_MIPS_SZLONG == 64)
-typedef __u32 speed_t;
-typedef __u32 tcflag_t;
-#endif
 
 /*
  * The ABI says nothing about NCC but seems to use NCCS as