diff --git a/MAINTAINERS b/MAINTAINERS
index 17becb9..84a018e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -641,7 +641,7 @@
 P:	Muli Ben-Yehuda
 M:	muli@il.ibm.com
 P:	Jon D. Mason
-M:	jdmason@us.ibm.com
+M:	jdmason@kudzu.us
 L:	linux-kernel@vger.kernel.org
 L:	discuss@x86-64.org
 S:	Maintained
diff --git a/arch/i386/defconfig b/arch/i386/defconfig
index ee2d79b..60c0c02 100644
--- a/arch/i386/defconfig
+++ b/arch/i386/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18-git7
-# Wed Sep 27 21:53:10 2006
+# Linux kernel version: 2.6.19-rc1
+# Thu Oct  5 13:04:53 2006
 #
 CONFIG_X86_32=y
 CONFIG_GENERIC_TIME=y
@@ -31,9 +31,11 @@
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
+# CONFIG_IPC_NS is not set
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
+# CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
@@ -41,9 +43,10 @@
 # CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
 # CONFIG_EMBEDDED is not set
 CONFIG_UID16=y
-CONFIG_SYSCTL=y
+# CONFIG_SYSCTL_SYSCALL is not set
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -76,6 +79,7 @@
 #
 # Block layer
 #
+CONFIG_BLOCK=y
 CONFIG_LBD=y
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
@@ -163,6 +167,7 @@
 # CONFIG_I8K is not set
 # CONFIG_X86_REBOOTFIXUPS is not set
 CONFIG_MICROCODE=y
+CONFIG_MICROCODE_OLD_INTERFACE=y
 CONFIG_X86_MSR=y
 CONFIG_X86_CPUID=y
 
@@ -177,6 +182,7 @@
 # CONFIG_HIGHMEM64G is not set
 CONFIG_PAGE_OFFSET=0xC0000000
 CONFIG_HIGHMEM=y
+CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -295,6 +301,7 @@
 CONFIG_PCI_MSI=y
 # CONFIG_PCI_MULTITHREAD_PROBE is not set
 # CONFIG_PCI_DEBUG is not set
+# CONFIG_HT_IRQ is not set
 CONFIG_ISA_DMA_API=y
 # CONFIG_ISA is not set
 # CONFIG_MCA is not set
@@ -354,6 +361,7 @@
 # CONFIG_INET_TUNNEL is not set
 CONFIG_INET_XFRM_MODE_TRANSPORT=y
 CONFIG_INET_XFRM_MODE_TUNNEL=y
+# CONFIG_INET_XFRM_MODE_BEET is not set
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
@@ -370,6 +378,7 @@
 # CONFIG_INET6_TUNNEL is not set
 CONFIG_INET6_XFRM_MODE_TRANSPORT=y
 CONFIG_INET6_XFRM_MODE_TUNNEL=y
+# CONFIG_INET6_XFRM_MODE_BEET is not set
 # CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
 # CONFIG_IPV6_TUNNEL is not set
 # CONFIG_IPV6_SUBTREES is not set
@@ -519,6 +528,7 @@
 # CONFIG_BLK_DEV_CS5535 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=y
 # CONFIG_BLK_DEV_IT821X is not set
@@ -615,6 +625,7 @@
 # CONFIG_SCSI_IPR is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
 # CONFIG_SCSI_QLA_FC is not set
+# CONFIG_SCSI_QLA_ISCSI is not set
 # CONFIG_SCSI_LPFC is not set
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
@@ -658,7 +669,6 @@
 # CONFIG_PATA_HPT3X3 is not set
 # CONFIG_PATA_IT821X is not set
 # CONFIG_PATA_JMICRON is not set
-# CONFIG_PATA_LEGACY is not set
 # CONFIG_PATA_TRIFLEX is not set
 # CONFIG_PATA_MPIIX is not set
 # CONFIG_PATA_OLDPIIX is not set
@@ -667,7 +677,6 @@
 # CONFIG_PATA_OPTI is not set
 # CONFIG_PATA_OPTIDMA is not set
 # CONFIG_PATA_PDC_OLD is not set
-# CONFIG_PATA_QDI is not set
 # CONFIG_PATA_RADISYS is not set
 # CONFIG_PATA_RZ1000 is not set
 # CONFIG_PATA_SC1200 is not set
@@ -684,6 +693,7 @@
 CONFIG_MD=y
 # CONFIG_BLK_DEV_MD is not set
 CONFIG_BLK_DEV_DM=y
+# CONFIG_DM_DEBUG is not set
 # CONFIG_DM_CRYPT is not set
 # CONFIG_DM_SNAPSHOT is not set
 # CONFIG_DM_MIRROR is not set
@@ -874,6 +884,7 @@
 # Input device support
 #
 CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
 
 #
 # Userland interfaces
@@ -896,6 +907,7 @@
 # CONFIG_KEYBOARD_LKKBD is not set
 # CONFIG_KEYBOARD_XTKBD is not set
 # CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
 CONFIG_INPUT_MOUSE=y
 CONFIG_MOUSE_PS2=y
 # CONFIG_MOUSE_SERIAL is not set
@@ -1023,12 +1035,12 @@
 # Misc devices
 #
 # CONFIG_IBM_ASM is not set
+# CONFIG_TIFM_CORE is not set
 
 #
 # Multimedia devices
 #
 # CONFIG_VIDEO_DEV is not set
-CONFIG_VIDEO_V4L2=y
 
 #
 # Digital Video Broadcasting Devices
@@ -1134,6 +1146,7 @@
 # CONFIG_USB_STORAGE_SDDR55 is not set
 # CONFIG_USB_STORAGE_JUMPSHOT is not set
 # CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_KARMA is not set
 # CONFIG_USB_LIBUSUAL is not set
 
 #
@@ -1156,6 +1169,7 @@
 # CONFIG_USB_ATI_REMOTE2 is not set
 # CONFIG_USB_KEYSPAN_REMOTE is not set
 # CONFIG_USB_APPLETOUCH is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
 
 #
 # USB Imaging devices
@@ -1187,6 +1201,7 @@
 #
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
 # CONFIG_USB_AUERSWALD is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
@@ -1194,9 +1209,9 @@
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
-# CONFIG_USB_PHIDGETKIT is not set
-# CONFIG_USB_PHIDGETSERVO is not set
+# CONFIG_USB_PHIDGET is not set
 # CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
 # CONFIG_USB_APPLEDISPLAY is not set
 # CONFIG_USB_SISUSBVGA is not set
 # CONFIG_USB_LD is not set
@@ -1281,6 +1296,7 @@
 # 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
@@ -1315,8 +1331,10 @@
 #
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
@@ -1366,6 +1384,7 @@
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
 # CONFIG_9P_FS is not set
+CONFIG_GENERIC_ACL=y
 
 #
 # Partition Types
@@ -1418,6 +1437,10 @@
 CONFIG_NLS_UTF8=y
 
 #
+# Distributed Lock Manager
+#
+
+#
 # Instrumentation Support
 #
 CONFIG_PROFILING=y
@@ -1452,11 +1475,13 @@
 # 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_FRAME_POINTER is not set
 CONFIG_UNWIND_INFO=y
 CONFIG_STACK_UNWIND=y
 # CONFIG_FORCED_INLINING is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_LKDTM is not set
 CONFIG_EARLY_PRINTK=y
 CONFIG_DEBUG_STACKOVERFLOW=y
 # CONFIG_DEBUG_STACK_USAGE is not set
diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c
index dad02a9..b0a0780 100644
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -328,6 +328,7 @@
 int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
 {
 	struct pt_regs regs;
+	int err;
 
 	memset(&regs, 0, sizeof(regs));
 
@@ -342,7 +343,10 @@
 	regs.eflags = X86_EFLAGS_IF | X86_EFLAGS_SF | X86_EFLAGS_PF | 0x2;
 
 	/* Ok, create the new process.. */
-	return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, &regs, 0, NULL, NULL);
+	err = do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, &regs, 0, NULL, NULL);
+	if (err == 0) /* terminate kernel stack */
+		task_pt_regs(current)->eip = 0;
+	return err;
 }
 EXPORT_SYMBOL(kernel_thread);
 
diff --git a/arch/i386/lib/semaphore.S b/arch/i386/lib/semaphore.S
index ef6ad9e..c01eb39 100644
--- a/arch/i386/lib/semaphore.S
+++ b/arch/i386/lib/semaphore.S
@@ -152,6 +152,8 @@
 
 #endif
 
+#ifdef CONFIG_RWSEM_XCHGADD_ALGORITHM
+
 /* Fix up special calling conventions */
 ENTRY(call_rwsem_down_read_failed)
 	CFI_STARTPROC
@@ -214,3 +216,4 @@
 	CFI_ENDPROC
 	END(call_rwsem_downgrade_wake)
 
+#endif
diff --git a/arch/i386/pci/direct.c b/arch/i386/pci/direct.c
index 5acf0b4..431c9a5 100644
--- a/arch/i386/pci/direct.c
+++ b/arch/i386/pci/direct.c
@@ -256,6 +256,8 @@
 
 void __init pci_direct_init(int type)
 {
+	if (type == 0)
+		return;
 	printk(KERN_INFO "PCI: Using configuration type %d\n", type);
 	if (type == 1)
 		raw_pci_ops = &pci_direct_conf1;
diff --git a/arch/i386/pci/init.c b/arch/i386/pci/init.c
index d028e1b..b21b6da 100644
--- a/arch/i386/pci/init.c
+++ b/arch/i386/pci/init.c
@@ -28,6 +28,10 @@
 #ifdef CONFIG_PCI_DIRECT
 	pci_direct_init(type);
 #endif
+	if (!raw_pci_ops)
+		printk(KERN_ERR
+		"PCI: Fatal: No config space access function found\n");
+
 	return 0;
 }
 arch_initcall(pci_access_init);
diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig
index 4844b54..47bfba6e 100644
--- a/arch/x86_64/defconfig
+++ b/arch/x86_64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18-git7
-# Wed Sep 27 21:53:10 2006
+# Linux kernel version: 2.6.19-rc1
+# Thu Oct  5 13:04:43 2006
 #
 CONFIG_X86_64=y
 CONFIG_64BIT=y
@@ -19,6 +19,7 @@
 CONFIG_GENERIC_ISA_DMA=y
 CONFIG_GENERIC_IOMAP=y
 CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_DMI=y
 CONFIG_AUDIT_ARCH=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@@ -37,9 +38,11 @@
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
+# CONFIG_IPC_NS is not set
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
+# CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
@@ -47,9 +50,10 @@
 # CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
 # CONFIG_EMBEDDED is not set
 CONFIG_UID16=y
-CONFIG_SYSCTL=y
+# CONFIG_SYSCTL_SYSCALL is not set
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -82,6 +86,7 @@
 #
 # Block layer
 #
+CONFIG_BLOCK=y
 CONFIG_LBD=y
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
@@ -252,9 +257,11 @@
 CONFIG_PCI_DIRECT=y
 CONFIG_PCI_MMCONFIG=y
 CONFIG_PCIEPORTBUS=y
+CONFIG_PCIEAER=y
 CONFIG_PCI_MSI=y
 # CONFIG_PCI_MULTITHREAD_PROBE is not set
 # CONFIG_PCI_DEBUG is not set
+# CONFIG_HT_IRQ is not set
 
 #
 # PCCARD (PCMCIA/CardBus) support
@@ -309,6 +316,7 @@
 # CONFIG_INET_TUNNEL is not set
 # CONFIG_INET_XFRM_MODE_TRANSPORT is not set
 # CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
@@ -325,6 +333,7 @@
 # CONFIG_INET6_TUNNEL is not set
 # CONFIG_INET6_XFRM_MODE_TRANSPORT is not set
 # CONFIG_INET6_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET6_XFRM_MODE_BEET is not set
 # CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
 # CONFIG_IPV6_TUNNEL is not set
 # CONFIG_IPV6_SUBTREES is not set
@@ -473,6 +482,7 @@
 # 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=y
 # CONFIG_BLK_DEV_IT821X is not set
@@ -564,6 +574,7 @@
 # CONFIG_SCSI_IPR is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
 # CONFIG_SCSI_QLA_FC is not set
+# CONFIG_SCSI_QLA_ISCSI is not set
 # CONFIG_SCSI_LPFC is not set
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
@@ -605,7 +616,6 @@
 # CONFIG_PATA_HPT3X3 is not set
 # CONFIG_PATA_IT821X is not set
 # CONFIG_PATA_JMICRON is not set
-# CONFIG_PATA_LEGACY is not set
 # CONFIG_PATA_TRIFLEX is not set
 # CONFIG_PATA_MPIIX is not set
 # CONFIG_PATA_OLDPIIX is not set
@@ -614,7 +624,6 @@
 # CONFIG_PATA_OPTI is not set
 # CONFIG_PATA_OPTIDMA is not set
 # CONFIG_PATA_PDC_OLD is not set
-# CONFIG_PATA_QDI is not set
 # CONFIG_PATA_RADISYS is not set
 # CONFIG_PATA_RZ1000 is not set
 # CONFIG_PATA_SC1200 is not set
@@ -631,6 +640,7 @@
 CONFIG_MD=y
 # CONFIG_BLK_DEV_MD is not set
 CONFIG_BLK_DEV_DM=y
+# CONFIG_DM_DEBUG is not set
 # CONFIG_DM_CRYPT is not set
 # CONFIG_DM_SNAPSHOT is not set
 # CONFIG_DM_MIRROR is not set
@@ -819,6 +829,7 @@
 # Input device support
 #
 CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
 
 #
 # Userland interfaces
@@ -841,6 +852,7 @@
 # CONFIG_KEYBOARD_LKKBD is not set
 # CONFIG_KEYBOARD_XTKBD is not set
 # CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
 CONFIG_INPUT_MOUSE=y
 CONFIG_MOUSE_PS2=y
 # CONFIG_MOUSE_SERIAL is not set
@@ -1008,6 +1020,7 @@
 # CONFIG_SENSORS_ADM1026 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_K8TEMP is not set
 # CONFIG_SENSORS_ASB100 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
@@ -1034,6 +1047,7 @@
 # CONFIG_SENSORS_SMSC47M192 is not set
 CONFIG_SENSORS_SMSC47B397=m
 # CONFIG_SENSORS_VIA686A is not set
+# CONFIG_SENSORS_VT1211 is not set
 # CONFIG_SENSORS_VT8231 is not set
 # CONFIG_SENSORS_W83781D is not set
 # CONFIG_SENSORS_W83791D is not set
@@ -1048,12 +1062,12 @@
 # Misc devices
 #
 # CONFIG_IBM_ASM is not set
+# CONFIG_TIFM_CORE is not set
 
 #
 # Multimedia devices
 #
 # CONFIG_VIDEO_DEV is not set
-CONFIG_VIDEO_V4L2=y
 
 #
 # Digital Video Broadcasting Devices
@@ -1159,6 +1173,7 @@
 # CONFIG_USB_STORAGE_SDDR55 is not set
 # CONFIG_USB_STORAGE_JUMPSHOT is not set
 # CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_KARMA is not set
 # CONFIG_USB_LIBUSUAL is not set
 
 #
@@ -1181,6 +1196,7 @@
 # CONFIG_USB_ATI_REMOTE2 is not set
 # CONFIG_USB_KEYSPAN_REMOTE is not set
 # CONFIG_USB_APPLETOUCH is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
 
 #
 # USB Imaging devices
@@ -1212,6 +1228,7 @@
 #
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
 # CONFIG_USB_AUERSWALD is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
@@ -1219,9 +1236,9 @@
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
-# CONFIG_USB_PHIDGETKIT is not set
-# CONFIG_USB_PHIDGETSERVO is not set
+# CONFIG_USB_PHIDGET is not set
 # CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
 # CONFIG_USB_APPLEDISPLAY is not set
 # CONFIG_USB_SISUSBVGA is not set
 # CONFIG_USB_LD is not set
@@ -1313,6 +1330,7 @@
 # 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
@@ -1347,8 +1365,10 @@
 #
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
@@ -1398,6 +1418,7 @@
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
 # CONFIG_9P_FS is not set
+CONFIG_GENERIC_ACL=y
 
 #
 # Partition Types
@@ -1450,6 +1471,10 @@
 CONFIG_NLS_UTF8=y
 
 #
+# Distributed Lock Manager
+#
+
+#
 # Instrumentation Support
 #
 CONFIG_PROFILING=y
@@ -1482,11 +1507,13 @@
 # CONFIG_DEBUG_INFO is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_LIST is not set
 # CONFIG_FRAME_POINTER is not set
 CONFIG_UNWIND_INFO=y
 CONFIG_STACK_UNWIND=y
 # CONFIG_FORCED_INLINING is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_LKDTM is not set
 # CONFIG_DEBUG_RODATA is not set
 # CONFIG_IOMMU_DEBUG is not set
 CONFIG_DEBUG_STACKOVERFLOW=y
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index b8285cf..38a7b2d 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -535,6 +535,8 @@
 1:	incl	%gs:pda_irqcount
 	cmoveq %gs:pda_irqstackptr,%rsp
 	push    %rbp			# backlink for old unwinder
+	CFI_ADJUST_CFA_OFFSET 8
+	CFI_REL_OFFSET rbp,0
 	/*
 	 * We entered an interrupt context - irqs are off:
 	 */
@@ -978,6 +980,11 @@
 	call do_fork
 	movq %rax,RAX(%rsp)
 	xorl %edi,%edi
+	test %rax,%rax
+	jnz  1f
+	/* terminate stack in child */
+	movq %rdi,RIP(%rsp)
+1:
 
 	/*
 	 * It isn't worth to check for reschedule here,
@@ -1169,6 +1176,7 @@
 	incl %gs:pda_irqcount
 	cmove %gs:pda_irqstackptr,%rsp
 	push  %rbp			# backlink for old unwinder
+	CFI_ADJUST_CFA_OFFSET    8
 	call __do_softirq
 	leaveq
 	CFI_DEF_CFA_REGISTER	rsp
diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c
index f760045..b3296cc 100644
--- a/arch/x86_64/kernel/pci-calgary.c
+++ b/arch/x86_64/kernel/pci-calgary.c
@@ -2,8 +2,9 @@
  * Derived from arch/powerpc/kernel/iommu.c
  *
  * Copyright (C) IBM Corporation, 2006
+ * Copyright (C) 2006  Jon Mason <jdmason@kudzu.us>
  *
- * Author: Jon Mason <jdmason@us.ibm.com>
+ * Author: Jon Mason <jdmason@kudzu.us>
  * Author: Muli Ben-Yehuda <muli@il.ibm.com>
 
  * This program is free software; you can redistribute it and/or modify
@@ -714,7 +715,7 @@
 
 	/* If no error, the agent ID in the CSR is not valid */
 	if (val32 & CSR_AGENT_MASK) {
-		printk(KERN_EMERG "calgary_watchdog: DMA error on bus %d, "
+		printk(KERN_EMERG "calgary_watchdog: DMA error on PHB %#x, "
 				  "CSR = %#x\n", dev->bus->number, val32);
 		writel(0, target);
 
@@ -748,7 +749,7 @@
 	val32 = be32_to_cpu(readl(target));
 	val32 |= PHB_TCE_ENABLE | PHB_DAC_DISABLE | PHB_MCSR_ENABLE;
 
-	printk(KERN_INFO "Calgary: enabling translation on PHB %d\n", busnum);
+	printk(KERN_INFO "Calgary: enabling translation on PHB %#x\n", busnum);
 	printk(KERN_INFO "Calgary: errant DMAs will now be prevented on this "
 	       "bus.\n");
 
@@ -778,7 +779,7 @@
 	val32 = be32_to_cpu(readl(target));
 	val32 &= ~(PHB_TCE_ENABLE | PHB_DAC_DISABLE | PHB_MCSR_ENABLE);
 
-	printk(KERN_INFO "Calgary: disabling translation on PHB %d!\n", busnum);
+	printk(KERN_INFO "Calgary: disabling translation on PHB %#x!\n", busnum);
 	writel(cpu_to_be32(val32), target);
 	readl(target); /* flush */
 
@@ -790,7 +791,16 @@
 	int rionodeid;
 	u32 address;
 
-	rionodeid = (dev->bus->number % 15 > 4) ? 3 : 2;
+	/*
+	 * Each Calgary has four busses. The first four busses (first Calgary)
+	 * have RIO node ID 2, then the next four (second Calgary) have RIO
+	 * node ID 3, the next four (third Calgary) have node ID 2 again, etc.
+	 * We use a gross hack - relying on the dev->bus->number ordering,
+	 * modulo 14 - to decide which Calgary a given bus is on. Busses 0, 1,
+	 * 2 and 4 are on the first Calgary (id 2), 6, 8, a and c are on the
+	 * second (id 3), and then it repeats modulo 14.
+ 	 */
+	rionodeid = (dev->bus->number % 14 > 4) ? 3 : 2;
 	/*
 	 * register space address calculation as follows:
 	 * FE0MB-8MB*OneBasedChassisNumber+1MB*(RioNodeId-ChassisBase)
@@ -798,7 +808,7 @@
 	 * RioNodeId is 2 for first Calgary, 3 for second Calgary
 	 */
 	address = START_ADDRESS	-
-		(0x800000 * (ONE_BASED_CHASSIS_NUM + dev->bus->number / 15)) +
+		(0x800000 * (ONE_BASED_CHASSIS_NUM + dev->bus->number / 14)) +
 		(0x100000) * (rionodeid - CHASSIS_BASE);
 	return address;
 }
@@ -816,6 +826,8 @@
 	void __iomem *bbar;
 	int ret;
 
+	BUG_ON(dev->bus->number >= MAX_PHB_BUS_NUM);
+
 	address = locate_register_space(dev);
 	/* map entire 1MB of Calgary config space */
 	bbar = ioremap_nocache(address, 1024 * 1024);
@@ -842,10 +854,10 @@
 
 static int __init calgary_init(void)
 {
-	int i, ret = -ENODEV;
+	int ret = -ENODEV;
 	struct pci_dev *dev = NULL;
 
-	for (i = 0; i < MAX_PHB_BUS_NUM; i++) {
+	do {
 		dev = pci_get_device(PCI_VENDOR_ID_IBM,
 				     PCI_DEVICE_ID_IBM_CALGARY,
 				     dev);
@@ -861,12 +873,12 @@
 		ret = calgary_init_one(dev);
 		if (ret)
 			goto error;
-	}
+	} while (1);
 
 	return ret;
 
 error:
-	for (i--; i >= 0; i--) {
+	do {
 		dev = pci_find_device_reverse(PCI_VENDOR_ID_IBM,
 					      PCI_DEVICE_ID_IBM_CALGARY,
 					      dev);
@@ -882,7 +894,7 @@
 		calgary_disable_translation(dev);
 		calgary_free_bus(dev);
 		pci_dev_put(dev); /* Undo calgary_init_one()'s pci_dev_get() */
-	}
+	} while (1);
 
 	return ret;
 }
@@ -1052,7 +1064,7 @@
 
 			if (bridge < MAX_PHB_BUS_NUM) {
 				printk(KERN_INFO "Calgary: disabling "
-				       "translation for PHB 0x%x\n", bridge);
+				       "translation for PHB %#x\n", bridge);
 				bus_info[bridge].translation_disabled = 1;
 			}
 		}
diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index de10cb8..5e95b25 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -615,6 +615,9 @@
 		prev->gsindex = gsindex;
 	}
 
+	/* Must be after DS reload */
+	unlazy_fpu(prev_p);
+
 	/* 
 	 * Switch the PDA and FPU contexts.
 	 */
@@ -622,10 +625,6 @@
 	write_pda(oldrsp, next->userrsp); 
 	write_pda(pcurrent, next_p); 
 
-	/* This must be here to ensure both math_state_restore() and
-	   kernel_fpu_begin() work consistently. 
-	   And the AMD workaround requires it to be after DS reload. */
-	unlazy_fpu(prev_p);
 	write_pda(kernelstack,
 	(unsigned long)task_stack_page(next_p) + THREAD_SIZE - PDA_STACKOFFSET);
 #ifdef CONFIG_CC_STACKPROTECTOR
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 01f2a8d..7819022 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -23,6 +23,7 @@
 #include <linux/delay.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
+#include <linux/kallsyms.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/nmi.h>
@@ -115,7 +116,6 @@
 #endif
 
 #ifdef CONFIG_KALLSYMS
-# include <linux/kallsyms.h>
 void printk_address(unsigned long address)
 {
 	unsigned long offset = 0, symsize;
diff --git a/drivers/scsi/qla2xxx/qla_dbg.h b/drivers/scsi/qla2xxx/qla_dbg.h
index 5334253..90dad7e 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.h
+++ b/drivers/scsi/qla2xxx/qla_dbg.h
@@ -38,7 +38,7 @@
 * Macros use for debugging the driver.
 */
 
-#define DEBUG(x)	do { if (extended_error_logging) { x; } } while (0)
+#define DEBUG(x)	do { if (qla2_extended_error_logging) { x; } } while (0)
 
 #if defined(QL_DEBUG_LEVEL_1)
 #define DEBUG1(x)	do {x;} while (0)
@@ -46,12 +46,12 @@
 #define DEBUG1(x)	do {} while (0)
 #endif
 
-#define DEBUG2(x)	do { if (extended_error_logging) { x; } } while (0)
-#define DEBUG2_3(x)	do { if (extended_error_logging) { x; } } while (0)
-#define DEBUG2_3_11(x)	do { if (extended_error_logging) { x; } } while (0)
-#define DEBUG2_9_10(x)	do { if (extended_error_logging) { x; } } while (0)
-#define DEBUG2_11(x)	do { if (extended_error_logging) { x; } } while (0)
-#define DEBUG2_13(x)	do { if (extended_error_logging) { x; } } while (0)
+#define DEBUG2(x)	do { if (qla2_extended_error_logging) { x; } } while (0)
+#define DEBUG2_3(x)	do { if (qla2_extended_error_logging) { x; } } while (0)
+#define DEBUG2_3_11(x)	do { if (qla2_extended_error_logging) { x; } } while (0)
+#define DEBUG2_9_10(x)	do { if (qla2_extended_error_logging) { x; } } while (0)
+#define DEBUG2_11(x)	do { if (qla2_extended_error_logging) { x; } } while (0)
+#define DEBUG2_13(x)	do { if (qla2_extended_error_logging) { x; } } while (0)
 
 #if defined(QL_DEBUG_LEVEL_3)
 #define DEBUG3(x)	do {x;} while (0)
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 7513810..7da6983 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -60,7 +60,7 @@
 extern int ql2xloginretrycount;
 extern int ql2xfdmienable;
 extern int ql2xallocfwdump;
-extern int extended_error_logging;
+extern int qla2_extended_error_logging;
 
 extern void qla2x00_sp_compl(scsi_qla_host_t *, srb_t *);
 
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index d5d2627..833b930 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1644,7 +1644,7 @@
 	 * Set host adapter parameters.
 	 */
 	if (nv->host_p[0] & BIT_7)
-		extended_error_logging = 1;
+		qla2_extended_error_logging = 1;
 	ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
 	/* Always load RISC code on non ISP2[12]00 chips. */
 	if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 3ba8c23..3f20d76 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -61,9 +61,9 @@
 		"during HBA initialization.  Memory allocation requirements "
 		"vary by ISP type.  Default is 1 - allocate memory.");
 
-int extended_error_logging;
-module_param(extended_error_logging, int, S_IRUGO|S_IRUSR);
-MODULE_PARM_DESC(extended_error_logging,
+int qla2_extended_error_logging;
+module_param(qla2_extended_error_logging, int, S_IRUGO|S_IRUSR);
+MODULE_PARM_DESC(qla2_extended_error_logging,
 		"Option to enable extended error logging, "
 		"Default is 0 - no logging. 1 - log errors.");
 
@@ -2697,7 +2697,7 @@
 
 	/* Derive version string. */
 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
-	if (extended_error_logging)
+	if (qla2_extended_error_logging)
 		strcat(qla2x00_version_str, "-debug");
 
 	qla2xxx_transport_template =
diff --git a/drivers/scsi/qla4xxx/ql4_dbg.h b/drivers/scsi/qla4xxx/ql4_dbg.h
index 56ddc22..3e99dcf 100644
--- a/drivers/scsi/qla4xxx/ql4_dbg.h
+++ b/drivers/scsi/qla4xxx/ql4_dbg.h
@@ -22,14 +22,14 @@
 #endif
 
 #if defined(QL_DEBUG_LEVEL_2)
-#define DEBUG2(x)      do {if(extended_error_logging == 2) x;} while (0);
+#define DEBUG2(x)      do {if(qla4_extended_error_logging == 2) x;} while (0);
 #define DEBUG2_3(x)   do {x;} while (0);
 #else				/*  */
 #define DEBUG2(x)	do {} while (0);
 #endif				/*  */
 
 #if defined(QL_DEBUG_LEVEL_3)
-#define DEBUG3(x)      do {if(extended_error_logging == 3) x;} while (0);
+#define DEBUG3(x)      do {if(qla4_extended_error_logging == 3) x;} while (0);
 #else				/*  */
 #define DEBUG3(x)	do {} while (0);
 #if !defined(QL_DEBUG_LEVEL_2)
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index 1de0800..2c803ed 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -72,7 +72,7 @@
 int qla4xxx_process_ddb_changed(struct scsi_qla_host * ha,
 				uint32_t fw_ddb_index, uint32_t state);
 
-extern int extended_error_logging;
+extern int qla4_extended_error_logging;
 extern int ql4xdiscoverywait;
 extern int ql4xdontresethba;
 #endif				/* _QLA4x_GBL_H */
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index ed977f7..ef82399 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -701,7 +701,7 @@
 	DEBUG3(printk("scsi%ld: Connection Event Log Dump (%d entries):\n",
 		      ha->host_no, num_valid_entries));
 
-	if (extended_error_logging == 3) {
+	if (qla4_extended_error_logging == 3) {
 		if (oldest_entry == 0) {
 			/* Circular Buffer has not wrapped around */
 			for (i=0; i < num_valid_entries; i++) {
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 5036ebf..178fcdd 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -34,9 +34,9 @@
 		 " default it will reset hba :0"
 		 " set to 1 to avoid resetting HBA");
 
-int extended_error_logging = 0; /* 0 = off, 1 = log errors */
-module_param(extended_error_logging, int, S_IRUGO | S_IRUSR);
-MODULE_PARM_DESC(extended_error_logging,
+int qla4_extended_error_logging = 0; /* 0 = off, 1 = log errors */
+module_param(qla4_extended_error_logging, int, S_IRUGO | S_IRUSR);
+MODULE_PARM_DESC(qla4_extended_error_logging,
 		 "Option to enable extended error logging, "
 		 "Default is 0 - no logging, 1 - debug logging");
 
@@ -1714,7 +1714,7 @@
 
 	/* Derive version string. */
 	strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION);
-	if (extended_error_logging)
+	if (qla4_extended_error_logging)
 		strcat(qla4xxx_version_str, "-debug");
 
 	qla4xxx_scsi_transport =
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 1d3b5d2..1aea6a4 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1621,9 +1621,10 @@
 		goto error_out;
 	}
 
-	if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_READ_ONLY)
+	if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_READ_ONLY) {
 		printk("UDF-fs: Partition marked readonly; forcing readonly mount\n");
 		sb->s_flags |= MS_RDONLY;
+	}
 
 	if ( udf_find_fileset(sb, &fileset, &rootdir) )
 	{