diff --git a/Makefile b/Makefile
index 7d2f304..ea076ae 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 20
-EXTRAVERSION = .3
+EXTRAVERSION = .4
 NAME = Homicidal Dwarf Hamster
 
 # *DOCUMENTATION*
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 0fc5fb7..02479e1 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -446,7 +446,7 @@ iosapic_end_level_irq (unsigned int irq)
 #define iosapic_disable_level_irq      mask_irq
 #define iosapic_ack_level_irq          nop
 
-struct hw_interrupt_type irq_type_iosapic_level = {
+struct irq_chip irq_type_iosapic_level = {
        .name =         "IO-SAPIC-level",
        .startup =      iosapic_startup_level_irq,
        .shutdown =     iosapic_shutdown_level_irq,
@@ -454,6 +454,8 @@ struct hw_interrupt_type irq_type_iosapic_level = {
        .disable =      iosapic_disable_level_irq,
        .ack =          iosapic_ack_level_irq,
        .end =          iosapic_end_level_irq,
+       .mask =         mask_irq,
+       .unmask =       unmask_irq,
        .set_affinity = iosapic_set_affinity
 };
 
@@ -493,7 +495,7 @@ iosapic_ack_edge_irq (unsigned int irq)
 #define iosapic_disable_edge_irq       nop
 #define iosapic_end_edge_irq           nop
 
-struct hw_interrupt_type irq_type_iosapic_edge = {
+struct irq_chip irq_type_iosapic_edge = {
        .name =         "IO-SAPIC-edge",
        .startup =      iosapic_startup_edge_irq,
        .shutdown =     iosapic_disable_edge_irq,
@@ -501,6 +503,8 @@ struct hw_interrupt_type irq_type_iosapic_edge = {
        .disable =      iosapic_disable_edge_irq,
        .ack =          iosapic_ack_edge_irq,
        .end =          iosapic_end_edge_irq,
+       .mask =         mask_irq,
+       .unmask =       unmask_irq,
        .set_affinity = iosapic_set_affinity
 };
 
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 8c5bee0..8d2a1bf 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -205,7 +205,17 @@ static void sn_set_affinity_irq(unsigned int irq, 
cpumask_t mask)
                (void)sn_retarget_vector(sn_irq_info, nasid, slice);
 }
 
-struct hw_interrupt_type irq_type_sn = {
+static void
+sn_mask_irq(unsigned int irq)
+{
+}
+
+static void
+sn_unmask_irq(unsigned int irq)
+{
+}
+
+struct irq_chip irq_type_sn = {
        .name           = "SN hub",
        .startup        = sn_startup_irq,
        .shutdown       = sn_shutdown_irq,
@@ -213,6 +223,8 @@ struct hw_interrupt_type irq_type_sn = {
        .disable        = sn_disable_irq,
        .ack            = sn_ack_irq,
        .end            = sn_end_irq,
+       .mask           = sn_mask_irq,
+       .unmask         = sn_unmask_irq,
        .set_affinity   = sn_set_affinity_irq
 };
 
diff --git a/arch/sparc64/kernel/ktlb.S b/arch/sparc64/kernel/ktlb.S
index e492db8..d4024ac 100644
--- a/arch/sparc64/kernel/ktlb.S
+++ b/arch/sparc64/kernel/ktlb.S
@@ -138,9 +138,15 @@ kvmap_dtlb_4v:
        brgez,pn        %g4, kvmap_dtlb_nonlinear
         nop
 
+#ifdef CONFIG_DEBUG_PAGEALLOC
+       /* Index through the base page size TSB even for linear
+        * mappings when using page allocation debugging.
+        */
+       KERN_TSB_LOOKUP_TL1(%g4, %g6, %g5, %g1, %g2, %g3, kvmap_dtlb_load)
+#else
        /* Correct TAG_TARGET is already in %g6, check 4mb TSB.  */
        KERN_TSB4M_LOOKUP_TL1(%g6, %g5, %g1, %g2, %g3, kvmap_dtlb_load)
-
+#endif
        /* TSB entry address left in %g1, lookup linear PTE.
         * Must preserve %g1 and %g6 (TAG).
         */
diff --git a/arch/sparc64/kernel/tsb.S b/arch/sparc64/kernel/tsb.S
index eedf94f..10adb2f 100644
--- a/arch/sparc64/kernel/tsb.S
+++ b/arch/sparc64/kernel/tsb.S
@@ -546,6 +546,7 @@ NGtsb_init:
        subcc           %o1, 0x100, %o1
        bne,pt          %xcc, 1b
         add            %o0, 0x100, %o0
+       membar          #Sync
        retl
         wr             %g2, 0x0, %asi
        .size           NGtsb_init, .-NGtsb_init
diff --git a/arch/sparc64/lib/NGbzero.S b/arch/sparc64/lib/NGbzero.S
index e86baec..f10e452 100644
--- a/arch/sparc64/lib/NGbzero.S
+++ b/arch/sparc64/lib/NGbzero.S
@@ -88,6 +88,7 @@ NGbzero_loop:
        bne,pt          %xcc, NGbzero_loop
         add            %o0, 64, %o0
 
+       membar          #Sync
        wr              %o4, 0x0, %asi
        brz,pn          %o1, NGbzero_done
 NGbzero_medium:
diff --git a/arch/sparc64/lib/NGmemcpy.S b/arch/sparc64/lib/NGmemcpy.S
index 8e522b3..66063a9 100644
--- a/arch/sparc64/lib/NGmemcpy.S
+++ b/arch/sparc64/lib/NGmemcpy.S
@@ -247,6 +247,8 @@ FUNC_NAME:  /* %o0=dst, %o1=src, %o2=len */
        /* fall through */
 
 60:    
+       membar          #Sync
+
        /* %o2 contains any final bytes still needed to be copied
         * over. If anything is left, we copy it one byte at a time.
         */
diff --git a/arch/sparc64/lib/NGpage.S b/arch/sparc64/lib/NGpage.S
index 7d7c3bb..8ce3a0c 100644
--- a/arch/sparc64/lib/NGpage.S
+++ b/arch/sparc64/lib/NGpage.S
@@ -41,6 +41,7 @@ NGcopy_user_page:     /* %o0=dest, %o1=src, %o2=vaddr */
        subcc           %g7, 64, %g7
        bne,pt          %xcc, 1b
         add            %o0, 32, %o0
+       membar          #Sync
        retl
         nop
 
@@ -63,6 +64,7 @@ NGclear_user_page:    /* %o0=dest, %o1=vaddr */
        subcc           %g7, 64, %g7
        bne,pt          %xcc, 1b
         add            %o0, 32, %o0
+       membar          #Sync
        retl
         nop
 
diff --git a/arch/sparc64/mm/hugetlbpage.c b/arch/sparc64/mm/hugetlbpage.c
index 33fd0b2..00677b5 100644
--- a/arch/sparc64/mm/hugetlbpage.c
+++ b/arch/sparc64/mm/hugetlbpage.c
@@ -248,6 +248,7 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long 
addr,
        if (!pte_present(*ptep) && pte_present(entry))
                mm->context.huge_pte_count++;
 
+       addr &= HPAGE_MASK;
        for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) {
                set_pte_at(mm, addr, ptep, entry);
                ptep++;
@@ -266,6 +267,8 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, 
unsigned long addr,
        if (pte_present(entry))
                mm->context.huge_pte_count--;
 
+       addr &= HPAGE_MASK;
+
        for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) {
                pte_clear(mm, addr, ptep);
                addr += PAGE_SIZE;
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 054822a..5391cd5 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -59,8 +59,10 @@ unsigned long kern_linear_pte_xor[2] __read_mostly;
  */
 unsigned long kpte_linear_bitmap[KPTE_BITMAP_BYTES / sizeof(unsigned long)];
 
+#ifndef CONFIG_DEBUG_PAGEALLOC
 /* A special kernel TSB for 4MB and 256MB linear mappings.  */
 struct tsb swapper_4m_tsb[KERNEL_TSB4M_NENTRIES];
+#endif
 
 #define MAX_BANKS      32
 
@@ -1301,7 +1303,12 @@ static void __init tsb_phys_patch(void)
 }
 
 /* Don't mark as init, we give this to the Hypervisor.  */
-static struct hv_tsb_descr ktsb_descr[2];
+#ifndef CONFIG_DEBUG_PAGEALLOC
+#define NUM_KTSB_DESCR 2
+#else
+#define NUM_KTSB_DESCR 1
+#endif
+static struct hv_tsb_descr ktsb_descr[NUM_KTSB_DESCR];
 extern struct tsb swapper_tsb[KERNEL_TSB_NENTRIES];
 
 static void __init sun4v_ktsb_init(void)
@@ -1340,6 +1347,7 @@ static void __init sun4v_ktsb_init(void)
        ktsb_descr[0].tsb_base = ktsb_pa;
        ktsb_descr[0].resv = 0;
 
+#ifndef CONFIG_DEBUG_PAGEALLOC
        /* Second KTSB for 4MB/256MB mappings.  */
        ktsb_pa = (kern_base +
                   ((unsigned long)&swapper_4m_tsb[0] - KERNBASE));
@@ -1352,6 +1360,7 @@ static void __init sun4v_ktsb_init(void)
        ktsb_descr[1].ctx_idx = 0;
        ktsb_descr[1].tsb_base = ktsb_pa;
        ktsb_descr[1].resv = 0;
+#endif
 }
 
 void __cpuinit sun4v_ktsb_register(void)
@@ -1364,7 +1373,7 @@ void __cpuinit sun4v_ktsb_register(void)
        pa = kern_base + ((unsigned long)&ktsb_descr[0] - KERNBASE);
 
        func = HV_FAST_MMU_TSB_CTX0;
-       arg0 = 2;
+       arg0 = NUM_KTSB_DESCR;
        arg1 = pa;
        __asm__ __volatile__("ta        %6"
                             : "=&r" (func), "=&r" (arg0), "=&r" (arg1)
@@ -1393,7 +1402,9 @@ void __init paging_init(void)
 
        /* Invalidate both kernel TSBs.  */
        memset(swapper_tsb, 0x40, sizeof(swapper_tsb));
+#ifndef CONFIG_DEBUG_PAGEALLOC
        memset(swapper_4m_tsb, 0x40, sizeof(swapper_4m_tsb));
+#endif
 
        if (tlb_type == hypervisor)
                sun4v_pgprot_init();
@@ -1725,8 +1736,13 @@ static void __init sun4u_pgprot_init(void)
        pg_iobits = (_PAGE_VALID | _PAGE_PRESENT_4U | __DIRTY_BITS_4U |
                     __ACCESS_BITS_4U | _PAGE_E_4U);
 
+#ifdef CONFIG_DEBUG_PAGEALLOC
+       kern_linear_pte_xor[0] = (_PAGE_VALID | _PAGE_SZBITS_4U) ^
+               0xfffff80000000000;
+#else
        kern_linear_pte_xor[0] = (_PAGE_VALID | _PAGE_SZ4MB_4U) ^
                0xfffff80000000000;
+#endif
        kern_linear_pte_xor[0] |= (_PAGE_CP_4U | _PAGE_CV_4U |
                                   _PAGE_P_4U | _PAGE_W_4U);
 
@@ -1769,13 +1785,23 @@ static void __init sun4v_pgprot_init(void)
        _PAGE_E = _PAGE_E_4V;
        _PAGE_CACHE = _PAGE_CACHE_4V;
 
+#ifdef CONFIG_DEBUG_PAGEALLOC
+       kern_linear_pte_xor[0] = (_PAGE_VALID | _PAGE_SZBITS_4V) ^
+               0xfffff80000000000;
+#else
        kern_linear_pte_xor[0] = (_PAGE_VALID | _PAGE_SZ4MB_4V) ^
                0xfffff80000000000;
+#endif
        kern_linear_pte_xor[0] |= (_PAGE_CP_4V | _PAGE_CV_4V |
                                   _PAGE_P_4V | _PAGE_W_4V);
 
+#ifdef CONFIG_DEBUG_PAGEALLOC
+       kern_linear_pte_xor[1] = (_PAGE_VALID | _PAGE_SZBITS_4V) ^
+               0xfffff80000000000;
+#else
        kern_linear_pte_xor[1] = (_PAGE_VALID | _PAGE_SZ256MB_4V) ^
                0xfffff80000000000;
+#endif
        kern_linear_pte_xor[1] |= (_PAGE_CP_4V | _PAGE_CV_4V |
                                   _PAGE_P_4V | _PAGE_W_4V);
 
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 13a86bd..4e9a13e 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -341,4 +341,6 @@ extern void maybe_sigio_broken(int fd, int read);
 extern void sig_handler_common_skas(int sig, void *sc_ptr);
 extern void user_signal(int sig, union uml_pt_regs *regs, int pid);
 
+extern int os_arch_prctl(int pid, int code, unsigned long *addr);
+
 #endif
diff --git a/arch/um/os-Linux/sys-x86_64/Makefile 
b/arch/um/os-Linux/sys-x86_64/Makefile
index f67842a..7955e06 100644
--- a/arch/um/os-Linux/sys-x86_64/Makefile
+++ b/arch/um/os-Linux/sys-x86_64/Makefile
@@ -3,7 +3,7 @@
 # Licensed under the GPL
 #
 
-obj-$(CONFIG_MODE_SKAS) = registers.o signal.o
+obj-$(CONFIG_MODE_SKAS) = registers.o prctl.o signal.o
 
 USER_OBJS := $(obj-y)
 
diff --git a/arch/um/os-Linux/sys-x86_64/prctl.c 
b/arch/um/os-Linux/sys-x86_64/prctl.c
new file mode 100644
index 0000000..79c278a
--- /dev/null
+++ b/arch/um/os-Linux/sys-x86_64/prctl.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (C) 2007 Jeff Dike ([EMAIL PROTECTED],linux.intel.com})
+ * Licensed under the GPL
+ */
+
+#include <sys/ptrace.h>
+#include <linux/ptrace.h>
+
+int os_arch_prctl(int pid, int code, unsigned long *addr)
+{
+       return ptrace(PTRACE_ARCH_PRCTL, pid, (unsigned long) addr, code);
+}
diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c
index 73ce446..6d5605b 100644
--- a/arch/um/sys-x86_64/syscalls.c
+++ b/arch/um/sys-x86_64/syscalls.c
@@ -16,6 +16,7 @@
 #include "asm/prctl.h" /* XXX This should get the constants from libc */
 #include "choose-mode.h"
 #include "kern.h"
+#include "os.h"
 
 asmlinkage long sys_uname64(struct new_utsname __user * name)
 {
@@ -58,40 +59,70 @@ static long arch_prctl_tt(int code, unsigned long addr)
 
 #ifdef CONFIG_MODE_SKAS
 
-/* XXX: Must also call arch_prctl in the host, beside saving the segment 
bases! */
-static long arch_prctl_skas(int code, unsigned long addr)
+static long arch_prctl_skas(int code, unsigned long __user *addr)
 {
-       long ret = 0;
+       unsigned long *ptr = addr, tmp;
+       long ret;
+       int pid = current->mm->context.skas.id.u.pid;
+
+       /*
+        * With ARCH_SET_FS (and ARCH_SET_GS is treated similarly to
+        * be safe), we need to call arch_prctl on the host because
+        * setting %fs may result in something else happening (like a
+        * GDT being set instead).  So, we let the host fiddle the
+        * registers and restore them afterwards.
+        *
+        * So, the saved registers are stored to the process (this
+        * needed because a stub may have been the last thing to run),
+        * arch_prctl is run on the host, then the registers are read
+        * back.
+        */
+       switch(code){
+       case ARCH_SET_FS:
+       case ARCH_SET_GS:
+               restore_registers(pid, &current->thread.regs.regs);
+               break;
+       case ARCH_GET_FS:
+       case ARCH_GET_GS:
+               /*
+                * With these two, we read to a local pointer and
+                * put_user it to the userspace pointer that we were
+                * given.  If addr isn't valid (because it hasn't been
+                * faulted in or is just bogus), we want put_user to
+                * fault it in (or return -EFAULT) instead of having
+                * the host return -EFAULT.
+                */
+               ptr = &tmp;
+       }
+
+       ret = os_arch_prctl(pid, code, ptr);
+       if(ret)
+               return ret;
 
        switch(code){
        case ARCH_SET_FS:
-               current->thread.regs.regs.skas.regs[FS_BASE / sizeof(unsigned 
long)] = addr;
+               current->thread.arch.fs = (unsigned long) ptr;
+               save_registers(pid, &current->thread.regs.regs);
                break;
        case ARCH_SET_GS:
-               current->thread.regs.regs.skas.regs[GS_BASE / sizeof(unsigned 
long)] = addr;
+               save_registers(pid, &current->thread.regs.regs);
                break;
        case ARCH_GET_FS:
-               ret = put_user(current->thread.regs.regs.skas.
-                               regs[FS_BASE / sizeof(unsigned long)],
-                               (unsigned long __user *)addr);
-               break;
+               ret = put_user(tmp, addr);
+               break;
        case ARCH_GET_GS:
-               ret = put_user(current->thread.regs.regs.skas.
-                               regs[GS_BASE / sizeof(unsigned long)],
-                               (unsigned long __user *)addr);
-               break;
-       default:
-               ret = -EINVAL;
+               ret = put_user(tmp, addr);
                break;
        }
 
-       return(ret);
+       return ret;
 }
 #endif
 
 long sys_arch_prctl(int code, unsigned long addr)
 {
-       return(CHOOSE_MODE_PROC(arch_prctl_tt, arch_prctl_skas, code, addr));
+       return CHOOSE_MODE_PROC(arch_prctl_tt, arch_prctl_skas, code,
+                               (unsigned long __user *) addr);
 }
 
 long sys_clone(unsigned long clone_flags, unsigned long newsp,
@@ -105,5 +136,14 @@ long sys_clone(unsigned long clone_flags, unsigned long 
newsp,
        ret = do_fork(clone_flags, newsp, &current->thread.regs, 0, parent_tid,
                      child_tid);
        current->thread.forking = 0;
-       return(ret);
+       return ret;
 }
+
+void arch_switch_to_skas(struct task_struct *from, struct task_struct *to)
+{
+       if((to->thread.arch.fs == 0) || (to->mm == NULL))
+               return;
+
+       arch_prctl_skas(ARCH_SET_FS, (void __user *) to->thread.arch.fs);
+}
+
diff --git a/arch/um/sys-x86_64/tls.c b/arch/um/sys-x86_64/tls.c
index ce1bf1b..febbc94 100644
--- a/arch/um/sys-x86_64/tls.c
+++ b/arch/um/sys-x86_64/tls.c
@@ -1,14 +1,17 @@
 #include "linux/sched.h"
 
-void debug_arch_force_load_TLS(void)
-{
-}
-
 void clear_flushed_tls(struct task_struct *task)
 {
 }
 
 int arch_copy_tls(struct task_struct *t)
 {
+       /*
+        * If CLONE_SETTLS is set, we need to save the thread id
+        * (which is argument 5, child_tid, of clone) so it can be set
+        * during context switches.
+        */
+       t->thread.arch.fs = t->thread.regs.regs.skas.regs[R8 / sizeof(long)];
+
         return 0;
 }
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index debe944..3b12996 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -371,7 +371,7 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
        if (unlikely(i8042_suppress_kbd_ack))
                if (port_no == I8042_KBD_PORT_NO &&
                    (data == 0xfa || data == 0xfe)) {
-                       i8042_suppress_kbd_ack = 0;
+                       i8042_suppress_kbd_ack--;
                        goto out;
                }
 
@@ -543,6 +543,7 @@ static int __devinit i8042_check_aux(void)
 {
        int retval = -1;
        int irq_registered = 0;
+       int aux_loop_broken = 0;
        unsigned long flags;
        unsigned char param;
 
@@ -559,7 +560,8 @@ static int __devinit i8042_check_aux(void)
  */
 
        param = 0x5a;
-       if (i8042_command(&param, I8042_CMD_AUX_LOOP) || param != 0x5a) {
+       retval = i8042_command(&param, I8042_CMD_AUX_LOOP);
+       if (retval || param != 0x5a) {
 
 /*
  * External connection test - filters out AT-soldered PS/2 i8042's
@@ -572,6 +574,13 @@ static int __devinit i8042_check_aux(void)
                if (i8042_command(&param, I8042_CMD_AUX_TEST) ||
                    (param && param != 0xfa && param != 0xff))
                        return -1;
+
+/*
+ * If AUX_LOOP completed without error but returned unexpected data
+ * mark it as broken
+ */
+               if (!retval)
+                       aux_loop_broken = 1;
        }
 
 /*
@@ -595,7 +604,7 @@ static int __devinit i8042_check_aux(void)
  * used it for a PCI card or somethig else.
  */
 
-       if (i8042_noloop) {
+       if (i8042_noloop || aux_loop_broken) {
 /*
  * Without LOOP command we can't test AUX IRQ delivery. Assume the port
  * is working and hope we are right.
@@ -838,13 +847,14 @@ static long i8042_panic_blink(long count)
        led ^= 0x01 | 0x04;
        while (i8042_read_status() & I8042_STR_IBF)
                DELAY;
-       i8042_suppress_kbd_ack = 1;
+       dbg("%02x -> i8042 (panic blink)", 0xed);
+       i8042_suppress_kbd_ack = 2;
        i8042_write_data(0xed); /* set leds */
        DELAY;
        while (i8042_read_status() & I8042_STR_IBF)
                DELAY;
        DELAY;
-       i8042_suppress_kbd_ack = 1;
+       dbg("%02x -> i8042 (panic blink)", led);
        i8042_write_data(led);
        DELAY;
        last_blink = count;
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index c625ddb..d5ecd2d 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -188,7 +188,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int 
raid_disks)
        for (i=0; i < cnt-1 ; i++) {
                sector_t sz = 0;
                int j;
-               for (j=i; i<cnt-1 && sz < min_spacing ; j++)
+               for (j = i; j < cnt - 1 && sz < min_spacing; j++)
                        sz += conf->disks[j].size;
                if (sz >= min_spacing && sz < conf->hash_spacing)
                        conf->hash_spacing = sz;
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 577babd..1aafa71 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -1369,11 +1369,7 @@ static inline void rtl8169_request_timer(struct 
net_device *dev)
            (tp->phy_version >= RTL_GIGA_PHY_VER_H))
                return;
 
-       init_timer(timer);
-       timer->expires = jiffies + RTL8169_PHY_TIMEOUT;
-       timer->data = (unsigned long)(dev);
-       timer->function = rtl8169_phy_timer;
-       add_timer(timer);
+       mod_timer(timer, jiffies + RTL8169_PHY_TIMEOUT);
 }
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
@@ -1686,6 +1682,10 @@ rtl8169_init_one(struct pci_dev *pdev, const struct 
pci_device_id *ent)
        tp->mmio_addr = ioaddr;
        tp->align = rtl_cfg_info[ent->driver_data].align;
 
+       init_timer(&tp->timer);
+       tp->timer.data = (unsigned long) dev;
+       tp->timer.function = rtl8169_phy_timer;
+
        spin_lock_init(&tp->lock);
 
        rc = register_netdev(dev);
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 0e0401d..0252ef9 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -639,7 +639,34 @@ static void pci_read_irq(struct pci_dev *dev)
        dev->irq = irq;
 }
 
-#define LEGACY_IO_RESOURCE     (IORESOURCE_IO | IORESOURCE_PCI_FIXED)
+static void change_legacy_io_resource(struct pci_dev * dev, unsigned index,
+                                      unsigned start, unsigned end)
+{
+       unsigned base = start & PCI_BASE_ADDRESS_IO_MASK;
+       unsigned len = (end | ~PCI_BASE_ADDRESS_IO_MASK) - base + 1;
+
+       /*
+        * Some X versions get confused when the BARs reported through
+        * /sys or /proc differ from those seen in config space, thus
+        * try to update the config space values, too.
+        */
+       if (!(pci_resource_flags(dev, index) & IORESOURCE_IO))
+               printk(KERN_WARNING "%s: cannot adjust BAR%u (not I/O)\n",
+                      pci_name(dev), index);
+       else if (pci_resource_len(dev, index) != len)
+               printk(KERN_WARNING "%s: cannot adjust BAR%u (size %04X)\n",
+                      pci_name(dev), index, (unsigned)pci_resource_len(dev, 
index));
+       else {
+               printk(KERN_INFO "%s: trying to change BAR%u from %04X to 
%04X\n",
+                      pci_name(dev), index,
+                      (unsigned)pci_resource_start(dev, index), base);
+               pci_write_config_dword(dev, PCI_BASE_ADDRESS_0 + index * 4, 
base);
+       }
+       pci_resource_start(dev, index) = start;
+       pci_resource_end(dev, index)   = end;
+       pci_resource_flags(dev, index) =
+               IORESOURCE_IO | IORESOURCE_PCI_FIXED | 
PCI_BASE_ADDRESS_SPACE_IO;
+}
 
 /**
  * pci_setup_device - fill in class and map information of a device
@@ -692,20 +719,12 @@ static int pci_setup_device(struct pci_dev * dev)
                        u8 progif;
                        pci_read_config_byte(dev, PCI_CLASS_PROG, &progif);
                        if ((progif & 1) == 0) {
-                               dev->resource[0].start = 0x1F0;
-                               dev->resource[0].end = 0x1F7;
-                               dev->resource[0].flags = LEGACY_IO_RESOURCE;
-                               dev->resource[1].start = 0x3F6;
-                               dev->resource[1].end = 0x3F6;
-                               dev->resource[1].flags = LEGACY_IO_RESOURCE;
+                               change_legacy_io_resource(dev, 0, 0x1F0, 0x1F7);
+                               change_legacy_io_resource(dev, 1, 0x3F6, 0x3F6);
                        }
                        if ((progif & 4) == 0) {
-                               dev->resource[2].start = 0x170;
-                               dev->resource[2].end = 0x177;
-                               dev->resource[2].flags = LEGACY_IO_RESOURCE;
-                               dev->resource[3].start = 0x376;
-                               dev->resource[3].end = 0x376;
-                               dev->resource[3].flags = LEGACY_IO_RESOURCE;
+                               change_legacy_io_resource(dev, 2, 0x170, 0x177);
+                               change_legacy_io_resource(dev, 3, 0x376, 0x376);
                        }
                }
                break;
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 4c698a7..df10267 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -3092,6 +3092,7 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd 
*scp,unchar b)
             cmdp->u.raw64.direction  = 
                 gdth_direction_tab[scp->cmnd[0]]==DOU ? 
GDTH_DATA_OUT:GDTH_DATA_IN;
             memcpy(cmdp->u.raw64.cmd,scp->cmnd,16);
+            cmdp->u.raw64.sg_ranz    = 0;
         } else {
             cmdp->u.raw.reserved   = 0;
             cmdp->u.raw.mdisc_time = 0;
@@ -3108,6 +3109,7 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd 
*scp,unchar b)
             cmdp->u.raw.direction  = 
                 gdth_direction_tab[scp->cmnd[0]]==DOU ? 
GDTH_DATA_OUT:GDTH_DATA_IN;
             memcpy(cmdp->u.raw.cmd,scp->cmnd,12);
+            cmdp->u.raw.sg_ranz    = 0;
         }
 
         if (scp->use_sg) {
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 488ec79..16e279b 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -9,7 +9,7 @@
    Steve Hirsch, Andreas Koppenh"ofer, Michael Leodolter, Eyal Lebedinsky,
    Michael Schaefer, J"org Weule, and Eric Youngdale.
 
-   Copyright 1992 - 2006 Kai Makisara
+   Copyright 1992 - 2007 Kai Makisara
    email [EMAIL PROTECTED]
 
    Some small formal changes - aeb, 950809
@@ -17,7 +17,7 @@
    Last modified: 18-JAN-1998 Richard Gooch <[EMAIL PROTECTED]> Devfs support
  */
 
-static const char *verstr = "20061107";
+static const char *verstr = "20070203";
 
 #include <linux/module.h>
 
@@ -1168,6 +1168,7 @@ static int st_open(struct inode *inode, struct file *filp)
                STps = &(STp->ps[i]);
                STps->rw = ST_IDLE;
        }
+       STp->try_dio_now = STp->try_dio;
        STp->recover_count = 0;
        DEB( STp->nbr_waits = STp->nbr_finished = 0;
             STp->nbr_requests = STp->nbr_dio = STp->nbr_pages = 
STp->nbr_combinable = 0; )
@@ -1400,9 +1401,9 @@ static int setup_buffering(struct scsi_tape *STp, const 
char __user *buf,
        struct st_buffer *STbp = STp->buffer;
 
        if (is_read)
-               i = STp->try_dio && try_rdio;
+               i = STp->try_dio_now && try_rdio;
        else
-               i = STp->try_dio && try_wdio;
+               i = STp->try_dio_now && try_wdio;
 
        if (i && ((unsigned long)buf & queue_dma_alignment(
                                        STp->device->request_queue)) == 0) {
@@ -1599,7 +1600,7 @@ st_write(struct file *filp, const char __user *buf, 
size_t count, loff_t * ppos)
                        STm->do_async_writes && STps->eof < ST_EOM_OK;
 
                if (STp->block_size != 0 && STm->do_buffer_writes &&
-                   !(STp->try_dio && try_wdio) && STps->eof < ST_EOM_OK &&
+                   !(STp->try_dio_now && try_wdio) && STps->eof < ST_EOM_OK &&
                    STbp->buffer_bytes < STbp->buffer_size) {
                        STp->dirty = 1;
                        /* Don't write a buffer that is not full enough. */
@@ -1769,7 +1770,7 @@ static long read_tape(struct scsi_tape *STp, long count,
        if (STp->block_size == 0)
                blks = bytes = count;
        else {
-               if (!(STp->try_dio && try_rdio) && STm->do_read_ahead) {
+               if (!(STp->try_dio_now && try_rdio) && STm->do_read_ahead) {
                        blks = (STp->buffer)->buffer_blocks;
                        bytes = blks * STp->block_size;
                } else {
@@ -1948,10 +1949,12 @@ st_read(struct file *filp, char __user *buf, size_t 
count, loff_t * ppos)
                goto out;
 
        STm = &(STp->modes[STp->current_mode]);
-       if (!(STm->do_read_ahead) && STp->block_size != 0 &&
-           (count % STp->block_size) != 0) {
-               retval = (-EINVAL);     /* Read must be integral number of 
blocks */
-               goto out;
+       if (STp->block_size != 0 && (count % STp->block_size) != 0) {
+               if (!STm->do_read_ahead) {
+                       retval = (-EINVAL);     /* Read must be integral number 
of blocks */
+                       goto out;
+               }
+               STp->try_dio_now = 0;  /* Direct i/o can't handle split blocks 
*/
        }
 
        STps = &(STp->ps[STp->partition]);
diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h
index 05a5cae..50f3deb 100644
--- a/drivers/scsi/st.h
+++ b/drivers/scsi/st.h
@@ -117,7 +117,8 @@ struct scsi_tape {
        unsigned char cln_sense_value;
        unsigned char cln_sense_mask;
        unsigned char use_pf;                   /* Set Page Format bit in all 
mode selects? */
-       unsigned char try_dio;                  /* try direct i/o? */
+       unsigned char try_dio;                  /* try direct i/o in general? */
+       unsigned char try_dio_now;              /* try direct i/o before next 
close? */
        unsigned char c_algo;                   /* compression algorithm */
        unsigned char pos_unknown;                      /* after reset position 
unknown */
        int tape_type;
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index bfe5f30..2d36a8d 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -134,6 +134,10 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
        /* restore CMD_RUN, framelist size, and irq threshold */
        writel (ehci->command, &ehci->regs->command);
 
+       /* Some controller/firmware combinations need a delay during which
+        * they set up the port statuses.  See Bugzilla #8190. */
+       mdelay(8);
+
        /* manually resume the ports we suspended during bus_suspend() */
        i = HCS_N_PORTS (ehci->hcs_params);
        while (i--) {
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index d834982..5a83e8d 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -422,7 +422,8 @@ int nfs_getattr(struct vfsmount *mnt, struct dentry 
*dentry, struct kstat *stat)
        int err;
 
        /* Flush out writes to the server in order to update c/mtime */
-       nfs_sync_mapping_range(inode->i_mapping, 0, 0, FLUSH_NOCOMMIT);
+       if (S_ISREG(inode->i_mode))
+               nfs_sync_mapping_range(inode->i_mapping, 0, 0, FLUSH_NOCOMMIT);
 
        /*
         * We may force a getattr if the user cares about atime.
diff --git a/include/asm-sparc64/tsb.h b/include/asm-sparc64/tsb.h
index e82612c..ab55ffc 100644
--- a/include/asm-sparc64/tsb.h
+++ b/include/asm-sparc64/tsb.h
@@ -264,6 +264,7 @@ extern struct tsb_phys_patch_entry __tsb_phys_patch, 
__tsb_phys_patch_end;
        be,a,pt         %xcc, OK_LABEL; \
         mov            REG4, REG1;
 
+#ifndef CONFIG_DEBUG_PAGEALLOC
        /* This version uses a trick, the TAG is already (VADDR >> 22) so
         * we can make use of that for the index computation.
         */
@@ -277,5 +278,6 @@ extern struct tsb_phys_patch_entry __tsb_phys_patch, 
__tsb_phys_patch_end;
        cmp             REG3, TAG; \
        be,a,pt         %xcc, OK_LABEL; \
         mov            REG4, REG1;
+#endif
 
 #endif /* !(_SPARC64_TSB_H) */
diff --git a/include/asm-um/processor-x86_64.h 
b/include/asm-um/processor-x86_64.h
index 10609af..578ca04 100644
--- a/include/asm-um/processor-x86_64.h
+++ b/include/asm-um/processor-x86_64.h
@@ -13,6 +13,7 @@
 struct arch_thread {
         unsigned long debugregs[8];
         int debugregs_seq;
+       unsigned long fs;
         struct faultinfo faultinfo;
 };
 
@@ -25,8 +26,9 @@ extern inline void rep_nop(void)
 #define cpu_relax()   rep_nop()
 
 #define INIT_ARCH_THREAD { .debugregs                  = { [ 0 ... 7 ] = 0 }, \
-                           .debugregs_seq      = 0, \
-                           .faultinfo          = { 0, 0, 0 } }
+                          .debugregs_seq       = 0,                           \
+                          .fs                  = 0, \
+                          .faultinfo           = { 0, 0, 0 } }
 
 static inline void arch_flush_thread(struct arch_thread *thread)
 {
diff --git a/include/asm-um/ptrace-x86_64.h b/include/asm-um/ptrace-x86_64.h
index 03b4af4..a927450 100644
--- a/include/asm-um/ptrace-x86_64.h
+++ b/include/asm-um/ptrace-x86_64.h
@@ -81,9 +81,7 @@ static inline void arch_switch_to_tt(struct task_struct *from,
 {
 }
 
-static inline void arch_switch_to_skas(struct task_struct *from,
-                                       struct task_struct *to)
-{
-}
+extern void arch_switch_to_skas(struct task_struct *from,
+                               struct task_struct *to);
 
 #endif
diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 611f17f..83ae2e7 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -57,7 +57,11 @@ typedef union {
 } ktime_t;
 
 #define KTIME_MAX                      ((s64)~((u64)1 << 63))
-#define KTIME_SEC_MAX                  (KTIME_MAX / NSEC_PER_SEC)
+#if (BITS_PER_LONG == 64)
+# define KTIME_SEC_MAX                 (KTIME_MAX / NSEC_PER_SEC)
+#else
+# define KTIME_SEC_MAX                 LONG_MAX
+#endif
 
 /*
  * ktime_t definitions when using the 64-bit scalar representation:
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 2988975..470f845 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -734,28 +734,26 @@ static inline void audit_free_context(struct 
audit_context *context)
 void audit_log_task_context(struct audit_buffer *ab)
 {
        char *ctx = NULL;
-       ssize_t len = 0;
+       unsigned len;
+       int error;
+       u32 sid;
+
+       selinux_get_task_sid(current, &sid);
+       if (!sid)
+               return;
 
-       len = security_getprocattr(current, "current", NULL, 0);
-       if (len < 0) {
-               if (len != -EINVAL)
+       error = selinux_sid_to_string(sid, &ctx, &len);
+       if (error) {
+               if (error != -EINVAL)
                        goto error_path;
                return;
        }
 
-       ctx = kmalloc(len, GFP_KERNEL);
-       if (!ctx)
-               goto error_path;
-
-       len = security_getprocattr(current, "current", ctx, len);
-       if (len < 0 )
-               goto error_path;
-
        audit_log_format(ab, " subj=%s", ctx);
+       kfree(ctx);
        return;
 
 error_path:
-       kfree(ctx);
        audit_panic("error in audit_log_task_context");
        return;
 }
diff --git a/kernel/fork.c b/kernel/fork.c
index d57118d..cc374fb 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -933,8 +933,8 @@ asmlinkage long sys_set_tid_address(int __user *tidptr)
 
 static inline void rt_mutex_init_task(struct task_struct *p)
 {
-#ifdef CONFIG_RT_MUTEXES
        spin_lock_init(&p->pi_lock);
+#ifdef CONFIG_RT_MUTEXES
        plist_head_init(&p->pi_waiters, &p->pi_lock);
        p->pi_blocked_on = NULL;
 #endif
diff --git a/kernel/futex.c b/kernel/futex.c
index 5a737de..1df411e 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -565,6 +565,7 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, 
struct futex_q *this)
        if (!pi_state)
                return -EINVAL;
 
+       spin_lock(&pi_state->pi_mutex.wait_lock);
        new_owner = rt_mutex_next_owner(&pi_state->pi_mutex);
 
        /*
@@ -604,6 +605,7 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, 
struct futex_q *this)
        pi_state->owner = new_owner;
        spin_unlock_irq(&new_owner->pi_lock);
 
+       spin_unlock(&pi_state->pi_mutex.wait_lock);
        rt_mutex_unlock(&pi_state->pi_mutex);
 
        return 0;
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index d0ba190..8596409 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -332,6 +332,12 @@ hrtimer_forward(struct hrtimer *timer, ktime_t now, 
ktime_t interval)
                orun++;
        }
        timer->expires = ktime_add(timer->expires, interval);
+       /*
+        * Make sure, that the result did not wrap with a very large
+        * interval.
+        */
+       if (timer->expires.tv64 < 0)
+               timer->expires = ktime_set(KTIME_SEC_MAX, 0);
 
        return orun;
 }
diff --git a/mm/filemap.c b/mm/filemap.c
index 8332c77..ab57e6c 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2393,7 +2393,8 @@ generic_file_direct_IO(int rw, struct kiocb *iocb, const 
struct iovec *iov,
        struct file *file = iocb->ki_filp;
        struct address_space *mapping = file->f_mapping;
        ssize_t retval;
-       size_t write_len = 0;
+       size_t write_len;
+       pgoff_t end = 0; /* silence gcc */
 
        /*
         * If it's a write, unmap all mmappings of the file up-front.  This
@@ -2402,23 +2403,46 @@ generic_file_direct_IO(int rw, struct kiocb *iocb, 
const struct iovec *iov,
         */
        if (rw == WRITE) {
                write_len = iov_length(iov, nr_segs);
+               end = (offset + write_len - 1) >> PAGE_CACHE_SHIFT;
                if (mapping_mapped(mapping))
                        unmap_mapping_range(mapping, offset, write_len, 0);
        }
 
        retval = filemap_write_and_wait(mapping);
-       if (retval == 0) {
-               retval = mapping->a_ops->direct_IO(rw, iocb, iov,
-                                               offset, nr_segs);
-               if (rw == WRITE && mapping->nrpages) {
-                       pgoff_t end = (offset + write_len - 1)
-                                               >> PAGE_CACHE_SHIFT;
-                       int err = invalidate_inode_pages2_range(mapping,
+       if (retval)
+               goto out;
+
+       /*
+        * After a write we want buffered reads to be sure to go to disk to get
+        * the new data.  We invalidate clean cached page from the region we're
+        * about to write.  We do this *before* the write so that we can return
+        * -EIO without clobbering -EIOCBQUEUED from ->direct_IO().
+        */
+       if (rw == WRITE && mapping->nrpages) {
+               retval = invalidate_inode_pages2_range(mapping,
                                        offset >> PAGE_CACHE_SHIFT, end);
-                       if (err)
-                               retval = err;
-               }
+               if (retval)
+                       goto out;
        }
+
+       retval = mapping->a_ops->direct_IO(rw, iocb, iov, offset, nr_segs);
+       if (retval)
+               goto out;
+
+       /*
+        * Finally, try again to invalidate clean pages which might have been
+        * faulted in by get_user_pages() if the source of the write was an
+        * mmap()ed region of the file we're writing.  That's a pretty crazy
+        * thing to do, so we don't support it 100%.  If this invalidation
+        * fails and we have -EIOCBQUEUED we ignore the failure.
+        */
+       if (rw == WRITE && mapping->nrpages) {
+               int err = invalidate_inode_pages2_range(mapping,
+                                             offset >> PAGE_CACHE_SHIFT, end);
+               if (err && retval >= 0)
+                       retval = err;
+       }
+out:
        return retval;
 }
 
diff --git a/mm/madvise.c b/mm/madvise.c
index 4e19615..77916e9 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -155,11 +155,14 @@ static long madvise_dontneed(struct vm_area_struct * vma,
  * Other filesystems return -ENOSYS.
  */
 static long madvise_remove(struct vm_area_struct *vma,
+                               struct vm_area_struct **prev,
                                unsigned long start, unsigned long end)
 {
        struct address_space *mapping;
         loff_t offset, endoff;
 
+       *prev = vma;
+
        if (vma->vm_flags & (VM_LOCKED|VM_NONLINEAR|VM_HUGETLB))
                return -EINVAL;
 
@@ -199,7 +202,7 @@ madvise_vma(struct vm_area_struct *vma, struct 
vm_area_struct **prev,
                error = madvise_behavior(vma, prev, start, end, behavior);
                break;
        case MADV_REMOVE:
-               error = madvise_remove(vma, start, end);
+               error = madvise_remove(vma, prev, start, end);
                break;
 
        case MADV_WILLNEED:
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index b278b8d..2f39169 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -320,7 +320,7 @@ static int oom_kill_task(struct task_struct *p)
         * Don't kill the process if any threads are set to OOM_DISABLE
         */
        do_each_thread(g, q) {
-               if (q->mm == mm && p->oomkilladj == OOM_DISABLE)
+               if (q->mm == mm && q->oomkilladj == OOM_DISABLE)
                        return 1;
        } while_each_thread(g, q);
 
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index de7801d..5299083 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -464,6 +464,7 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t 
gfp_mask)
        memcpy(n->cb, skb->cb, sizeof(skb->cb));
        C(len);
        C(data_len);
+       C(mac_len);
        C(csum);
        C(local_df);
        n->cloned = 1;
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 60aafb4..c976dd7 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -732,11 +732,12 @@ static int cipso_v4_map_lvl_hton(const struct 
cipso_v4_doi *doi_def,
                *net_lvl = host_lvl;
                return 0;
        case CIPSO_V4_MAP_STD:
-               if (host_lvl < doi_def->map.std->lvl.local_size) {
+               if (host_lvl < doi_def->map.std->lvl.local_size &&
+                   doi_def->map.std->lvl.local[host_lvl] < CIPSO_V4_INV_LVL) {
                        *net_lvl = doi_def->map.std->lvl.local[host_lvl];
                        return 0;
                }
-               break;
+               return -EPERM;
        }
 
        return -EINVAL;
@@ -771,7 +772,7 @@ static int cipso_v4_map_lvl_ntoh(const struct cipso_v4_doi 
*doi_def,
                        *host_lvl = doi_def->map.std->lvl.cipso[net_lvl];
                        return 0;
                }
-               break;
+               return -EPERM;
        }
 
        return -EINVAL;
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 480ace9..728ba5f 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -503,8 +503,10 @@ static struct in_ifaddr *rtm_to_ifaddr(struct nlmsghdr 
*nlh)
                goto errout;
 
        ifm = nlmsg_data(nlh);
-       if (ifm->ifa_prefixlen > 32 || tb[IFA_LOCAL] == NULL)
+       if (ifm->ifa_prefixlen > 32 || tb[IFA_LOCAL] == NULL) {
+               err = -EINVAL;
                goto errout;
+       }
 
        dev = __dev_get_by_index(ifm->ifa_index);
        if (dev == NULL) {
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 1e589b9..a742ea3 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1528,7 +1528,6 @@ static int trie_leaf_remove(struct trie *t, t_key key)
        t->revision++;
        t->size--;
 
-       preempt_disable();
        tp = NODE_PARENT(n);
        tnode_free((struct tnode *) n);
 
@@ -1538,7 +1537,6 @@ static int trie_leaf_remove(struct trie *t, t_key key)
                rcu_assign_pointer(t->trie, trie_rebalance(t, tp));
        } else
                rcu_assign_pointer(t->trie, NULL);
-       preempt_enable();
 
        return 1;
 }
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 23db88e..b20726f 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -414,7 +414,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, 
int optname,
                }
 
                /* routing header option needs extra check */
-               if (optname == IPV6_RTHDR && opt->srcrt) {
+               if (optname == IPV6_RTHDR && opt && opt->srcrt) {
                        struct ipv6_rt_hdr *rthdr = opt->srcrt;
                        switch (rthdr->type) {
                        case IPV6_SRCRT_TYPE_0:
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index c25e930..a2d41ba 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1453,6 +1453,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock 
*sk, struct sk_buff *skb,
           First: no IPv4 options.
         */
        newinet->opt = NULL;
+       newnp->ipv6_fl_list = NULL;
 
        /* Clone RX bits */
        newnp->rxopt.all = np->rxopt.all;
diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index 03504f3..4703107 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -1455,6 +1455,7 @@ struct tsap_cb *irttp_dup(struct tsap_cb *orig, void 
*instance)
 
        /* Not everything should be copied */
        new->notify.instance = instance;
+       spin_lock_init(&new->lock);
        init_timer(&new->todo_timer);
 
        skb_queue_head_init(&new->rx_queue);
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 690b173..f7eafd8 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -218,10 +218,8 @@ _instance_destroy2(struct nfulnl_instance *inst, int lock)
        spin_lock_bh(&inst->lock);
        if (inst->skb) {
                /* timer "holds" one reference (we have one more) */
-               if (timer_pending(&inst->timer)) {
-                       del_timer(&inst->timer);
+               if (del_timer(&inst->timer))
                        instance_put(inst);
-               }
                if (inst->qlen)
                        __nfulnl_send(inst);
                if (inst->skb) {
@@ -695,10 +693,8 @@ nfulnl_log_packet(unsigned int pf,
                UDEBUG("flushing old skb\n");
 
                /* timer "holds" one reference (we have another one) */
-               if (timer_pending(&inst->timer)) {
-                       del_timer(&inst->timer);
+               if (del_timer(&inst->timer))
                        instance_put(inst);
-               }
                __nfulnl_send(inst);
 
                if (!(inst->skb = nfulnl_alloc_skb(nlbufsiz, size))) {
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index fdb08d9..f0f2c1a 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -707,7 +707,8 @@ static struct xfrm_state *__find_acq_core(unsigned short 
family, u8 mode, u32 re
                    x->props.mode   != mode ||
                    x->props.family != family ||
                    x->km.state     != XFRM_STATE_ACQ ||
-                   x->id.spi       != 0)
+                   x->id.spi       != 0 ||
+                   x->id.proto     != proto)
                        continue;
 
                switch (family) {
@@ -804,7 +805,8 @@ int xfrm_state_add(struct xfrm_state *x)
 
        if (use_spi && x->km.seq) {
                x1 = __xfrm_find_acq_byseq(x->km.seq);
-               if (x1 && xfrm_addr_cmp(&x1->id.daddr, &x->id.daddr, family)) {
+               if (x1 && ((x1->id.proto != x->id.proto) ||
+                   xfrm_addr_cmp(&x1->id.daddr, &x->id.daddr, family))) {
                        xfrm_state_put(x1);
                        x1 = NULL;
                }
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 77f8ec7..ba2c754 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -199,7 +199,6 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
 
 /* STATESTS int mask: SD2,SD1,SD0 */
 #define STATESTS_INT_MASK      0x07
-#define AZX_MAX_CODECS         3
 
 /* SD_CTL bits */
 #define SD_CTL_STREAM_RESET    0x01    /* stream reset bit */
@@ -966,6 +965,16 @@ static int azx_setup_controller(struct azx *chip, struct 
azx_dev *azx_dev)
  * Codec initialization
  */
 
+static unsigned int azx_max_codecs[] __devinitdata = {
+       [AZX_DRIVER_ICH] = 3,
+       [AZX_DRIVER_ATI] = 4,
+       [AZX_DRIVER_ATIHDMI] = 4,
+       [AZX_DRIVER_VIA] = 3,           /* FIXME: correct? */
+       [AZX_DRIVER_SIS] = 3,           /* FIXME: correct? */
+       [AZX_DRIVER_ULI] = 3,           /* FIXME: correct? */
+       [AZX_DRIVER_NVIDIA] = 3,        /* FIXME: correct? */
+};
+
 static int __devinit azx_codec_create(struct azx *chip, const char *model)
 {
        struct hda_bus_template bus_temp;
@@ -982,7 +991,7 @@ static int __devinit azx_codec_create(struct azx *chip, 
const char *model)
                return err;
 
        codecs = 0;
-       for (c = 0; c < AZX_MAX_CODECS; c++) {
+       for (c = 0; c < azx_max_codecs[chip->driver_type]; c++) {
                if ((chip->codec_mask & (1 << c)) & probe_mask) {
                        err = snd_hda_codec_new(chip->bus, c, NULL);
                        if (err < 0)
-
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