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[Xen-changelog] Add linux 2.6.12.3 patch



# HG changeset patch
# User iap10@xxxxxxxxxxxxxxxxxxxxx
# Node ID e9b950192ba6d9ae2ffedce5f50a17250f007873
# Parent  d9442abaa9809f251e402286a87a8eef8135e4fe

Add linux 2.6.12.3 patch
Signed-off-by: ian@xxxxxxxxxxxxx

diff -r d9442abaa980 -r e9b950192ba6 patches/linux-2.6.12/linux-2.6.12.3.patch
--- /dev/null   Wed Aug  3 12:51:35 2005
+++ b/patches/linux-2.6.12/linux-2.6.12.3.patch Wed Aug  3 21:17:17 2005
@@ -0,0 +1,1047 @@
+diff --git a/Makefile b/Makefile
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ VERSION = 2
+ PATCHLEVEL = 6
+ SUBLEVEL = 12
+-EXTRAVERSION =
++EXTRAVERSION = .3
+ NAME=Woozy Numbat
+ 
+ # *DOCUMENTATION*
+diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
+--- a/arch/ia64/kernel/ptrace.c
++++ b/arch/ia64/kernel/ptrace.c
+@@ -945,6 +945,13 @@ access_uarea (struct task_struct *child,
+                               *data = (pt->cr_ipsr & IPSR_MASK);
+                       return 0;
+ 
++                    case PT_AR_RSC:
++                      if (write_access)
++                              pt->ar_rsc = *data | (3 << 2); /* force PL3 */
++                      else
++                              *data = pt->ar_rsc;
++                      return 0;
++
+                     case PT_AR_RNAT:
+                       urbs_end = ia64_get_user_rbs_end(child, pt, NULL);
+                       rnat_addr = (long) ia64_rse_rnat_addr((long *)
+@@ -996,9 +1003,6 @@ access_uarea (struct task_struct *child,
+                     case PT_AR_BSPSTORE:
+                       ptr = pt_reg_addr(pt, ar_bspstore);
+                       break;
+-                    case PT_AR_RSC:
+-                      ptr = pt_reg_addr(pt, ar_rsc);
+-                      break;
+                     case PT_AR_UNAT:
+                       ptr = pt_reg_addr(pt, ar_unat);
+                       break;
+@@ -1234,7 +1238,7 @@ ptrace_getregs (struct task_struct *chil
+ static long
+ ptrace_setregs (struct task_struct *child, struct pt_all_user_regs __user 
*ppr)
+ {
+-      unsigned long psr, ec, lc, rnat, bsp, cfm, nat_bits, val = 0;
++      unsigned long psr, rsc, ec, lc, rnat, bsp, cfm, nat_bits, val = 0;
+       struct unw_frame_info info;
+       struct switch_stack *sw;
+       struct ia64_fpreg fpval;
+@@ -1267,7 +1271,7 @@ ptrace_setregs (struct task_struct *chil
+       /* app regs */
+ 
+       retval |= __get_user(pt->ar_pfs, &ppr->ar[PT_AUR_PFS]);
+-      retval |= __get_user(pt->ar_rsc, &ppr->ar[PT_AUR_RSC]);
++      retval |= __get_user(rsc, &ppr->ar[PT_AUR_RSC]);
+       retval |= __get_user(pt->ar_bspstore, &ppr->ar[PT_AUR_BSPSTORE]);
+       retval |= __get_user(pt->ar_unat, &ppr->ar[PT_AUR_UNAT]);
+       retval |= __get_user(pt->ar_ccv, &ppr->ar[PT_AUR_CCV]);
+@@ -1365,6 +1369,7 @@ ptrace_setregs (struct task_struct *chil
+       retval |= __get_user(nat_bits, &ppr->nat);
+ 
+       retval |= access_uarea(child, PT_CR_IPSR, &psr, 1);
++      retval |= access_uarea(child, PT_AR_RSC, &rsc, 1);
+       retval |= access_uarea(child, PT_AR_EC, &ec, 1);
+       retval |= access_uarea(child, PT_AR_LC, &lc, 1);
+       retval |= access_uarea(child, PT_AR_RNAT, &rnat, 1);
+diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
+--- a/arch/ia64/kernel/signal.c
++++ b/arch/ia64/kernel/signal.c
+@@ -94,7 +94,7 @@ sys_sigaltstack (const stack_t __user *u
+ static long
+ restore_sigcontext (struct sigcontext __user *sc, struct sigscratch *scr)
+ {
+-      unsigned long ip, flags, nat, um, cfm;
++      unsigned long ip, flags, nat, um, cfm, rsc;
+       long err;
+ 
+       /* Always make any pending restarted system calls return -EINTR */
+@@ -106,7 +106,7 @@ restore_sigcontext (struct sigcontext __
+       err |= __get_user(ip, &sc->sc_ip);                      /* instruction 
pointer */
+       err |= __get_user(cfm, &sc->sc_cfm);
+       err |= __get_user(um, &sc->sc_um);                      /* user mask */
+-      err |= __get_user(scr->pt.ar_rsc, &sc->sc_ar_rsc);
++      err |= __get_user(rsc, &sc->sc_ar_rsc);
+       err |= __get_user(scr->pt.ar_unat, &sc->sc_ar_unat);
+       err |= __get_user(scr->pt.ar_fpsr, &sc->sc_ar_fpsr);
+       err |= __get_user(scr->pt.ar_pfs, &sc->sc_ar_pfs);
+@@ -119,6 +119,7 @@ restore_sigcontext (struct sigcontext __
+       err |= __copy_from_user(&scr->pt.r15, &sc->sc_gr[15], 8);       /* r15 
*/
+ 
+       scr->pt.cr_ifs = cfm | (1UL << 63);
++      scr->pt.ar_rsc = rsc | (3 << 2); /* force PL3 */
+ 
+       /* establish new instruction pointer: */
+       scr->pt.cr_iip = ip & ~0x3UL;
+diff --git a/arch/ppc/kernel/time.c b/arch/ppc/kernel/time.c
+--- a/arch/ppc/kernel/time.c
++++ b/arch/ppc/kernel/time.c
+@@ -89,6 +89,9 @@ unsigned long tb_to_ns_scale;
+ 
+ extern unsigned long wall_jiffies;
+ 
++/* used for timezone offset */
++static long timezone_offset;
++
+ DEFINE_SPINLOCK(rtc_lock);
+ 
+ EXPORT_SYMBOL(rtc_lock);
+@@ -170,7 +173,7 @@ void timer_interrupt(struct pt_regs * re
+                    xtime.tv_sec - last_rtc_update >= 659 &&
+                    abs((xtime.tv_nsec / 1000) - (1000000-1000000/HZ)) < 
500000/HZ &&
+                    jiffies - wall_jiffies == 1) {
+-                      if (ppc_md.set_rtc_time(xtime.tv_sec+1 + time_offset) 
== 0)
++                      if (ppc_md.set_rtc_time(xtime.tv_sec+1 + 
timezone_offset) == 0)
+                               last_rtc_update = xtime.tv_sec+1;
+                       else
+                               /* Try again one minute later */
+@@ -286,7 +289,7 @@ void __init time_init(void)
+       unsigned old_stamp, stamp, elapsed;
+ 
+         if (ppc_md.time_init != NULL)
+-                time_offset = ppc_md.time_init();
++                timezone_offset = ppc_md.time_init();
+ 
+       if (__USE_RTC()) {
+               /* 601 processor: dec counts down by 128 every 128ns */
+@@ -331,10 +334,10 @@ void __init time_init(void)
+       set_dec(tb_ticks_per_jiffy);
+ 
+       /* If platform provided a timezone (pmac), we correct the time */
+-        if (time_offset) {
+-              sys_tz.tz_minuteswest = -time_offset / 60;
++        if (timezone_offset) {
++              sys_tz.tz_minuteswest = -timezone_offset / 60;
+               sys_tz.tz_dsttime = 0;
+-              xtime.tv_sec -= time_offset;
++              xtime.tv_sec -= timezone_offset;
+         }
+         set_normalized_timespec(&wall_to_monotonic,
+                                 -xtime.tv_sec, -xtime.tv_nsec);
+diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
+--- a/arch/um/kernel/process.c
++++ b/arch/um/kernel/process.c
+@@ -130,7 +130,7 @@ int start_fork_tramp(void *thread_arg, u
+       return(arg.pid);
+ }
+ 
+-static int ptrace_child(void)
++static int ptrace_child(void *arg)
+ {
+       int ret;
+       int pid = os_getpid(), ppid = getppid();
+@@ -159,16 +159,20 @@ static int ptrace_child(void)
+       _exit(ret);
+ }
+ 
+-static int start_ptraced_child(void)
++static int start_ptraced_child(void **stack_out)
+ {
++      void *stack;
++      unsigned long sp;
+       int pid, n, status;
+       
+-      pid = fork();
+-      if(pid == 0)
+-              ptrace_child();
+-
++      stack = mmap(NULL, PAGE_SIZE, PROT_READ | PROT_WRITE | PROT_EXEC,
++                   MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
++      if(stack == MAP_FAILED)
++              panic("check_ptrace : mmap failed, errno = %d", errno);
++      sp = (unsigned long) stack + PAGE_SIZE - sizeof(void *);
++      pid = clone(ptrace_child, (void *) sp, SIGCHLD, NULL);
+       if(pid < 0)
+-              panic("check_ptrace : fork failed, errno = %d", errno);
++              panic("check_ptrace : clone failed, errno = %d", errno);
+       CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED));
+       if(n < 0)
+               panic("check_ptrace : wait failed, errno = %d", errno);
+@@ -176,6 +180,7 @@ static int start_ptraced_child(void)
+               panic("check_ptrace : expected SIGSTOP, got status = %d",
+                     status);
+ 
++      *stack_out = stack;
+       return(pid);
+ }
+ 
+@@ -183,12 +188,12 @@ static int start_ptraced_child(void)
+  * just avoid using sysemu, not panic, but only if SYSEMU features are broken.
+  * So only for SYSEMU features we test mustpanic, while normal host features
+  * must work anyway!*/
+-static int stop_ptraced_child(int pid, int exitcode, int mustexit)
++static int stop_ptraced_child(int pid, void *stack, int exitcode, int 
mustpanic)
+ {
+       int status, n, ret = 0;
+ 
+       if(ptrace(PTRACE_CONT, pid, 0, 0) < 0)
+-              panic("stop_ptraced_child : ptrace failed, errno = %d", errno);
++              panic("check_ptrace : ptrace failed, errno = %d", errno);
+       CATCH_EINTR(n = waitpid(pid, &status, 0));
+       if(!WIFEXITED(status) || (WEXITSTATUS(status) != exitcode)) {
+               int exit_with = WEXITSTATUS(status);
+@@ -199,13 +204,15 @@ static int stop_ptraced_child(int pid, i
+               printk("check_ptrace : child exited with exitcode %d, while "
+                     "expecting %d; status 0x%x", exit_with,
+                     exitcode, status);
+-              if (mustexit)
++              if (mustpanic)
+                       panic("\n");
+               else
+                       printk("\n");
+               ret = -1;
+       }
+ 
++      if(munmap(stack, PAGE_SIZE) < 0)
++              panic("check_ptrace : munmap failed, errno = %d", errno);
+       return ret;
+ }
+ 
+@@ -227,11 +234,12 @@ __uml_setup("nosysemu", nosysemu_cmd_par
+ 
+ static void __init check_sysemu(void)
+ {
++      void *stack;
+       int pid, syscall, n, status, count=0;
+ 
+       printk("Checking syscall emulation patch for ptrace...");
+       sysemu_supported = 0;
+-      pid = start_ptraced_child();
++      pid = start_ptraced_child(&stack);
+ 
+       if(ptrace(PTRACE_SYSEMU, pid, 0, 0) < 0)
+               goto fail;
+@@ -249,7 +257,7 @@ static void __init check_sysemu(void)
+               panic("check_sysemu : failed to modify system "
+                     "call return, errno = %d", errno);
+ 
+-      if (stop_ptraced_child(pid, 0, 0) < 0)
++      if (stop_ptraced_child(pid, stack, 0, 0) < 0)
+               goto fail_stopped;
+ 
+       sysemu_supported = 1;
+@@ -257,7 +265,7 @@ static void __init check_sysemu(void)
+       set_using_sysemu(!force_sysemu_disabled);
+ 
+       printk("Checking advanced syscall emulation patch for ptrace...");
+-      pid = start_ptraced_child();
++      pid = start_ptraced_child(&stack);
+       while(1){
+               count++;
+               if(ptrace(PTRACE_SYSEMU_SINGLESTEP, pid, 0, 0) < 0)
+@@ -282,7 +290,7 @@ static void __init check_sysemu(void)
+                       break;
+               }
+       }
+-      if (stop_ptraced_child(pid, 0, 0) < 0)
++      if (stop_ptraced_child(pid, stack, 0, 0) < 0)
+               goto fail_stopped;
+ 
+       sysemu_supported = 2;
+@@ -293,17 +301,18 @@ static void __init check_sysemu(void)
+       return;
+ 
+ fail:
+-      stop_ptraced_child(pid, 1, 0);
++      stop_ptraced_child(pid, stack, 1, 0);
+ fail_stopped:
+       printk("missing\n");
+ }
+ 
+ void __init check_ptrace(void)
+ {
++      void *stack;
+       int pid, syscall, n, status;
+ 
+       printk("Checking that ptrace can change system call numbers...");
+-      pid = start_ptraced_child();
++      pid = start_ptraced_child(&stack);
+ 
+       if (ptrace(PTRACE_OLDSETOPTIONS, pid, 0, (void *)PTRACE_O_TRACESYSGOOD) 
< 0)
+               panic("check_ptrace: PTRACE_SETOPTIONS failed, errno = %d", 
errno);
+@@ -330,7 +339,7 @@ void __init check_ptrace(void)
+                       break;
+               }
+       }
+-      stop_ptraced_child(pid, 0, 1);
++      stop_ptraced_child(pid, stack, 0, 1);
+       printk("OK\n");
+       check_sysemu();
+ }
+@@ -362,10 +371,11 @@ void forward_pending_sigio(int target)
+ static inline int check_skas3_ptrace_support(void)
+ {
+       struct ptrace_faultinfo fi;
++      void *stack;
+       int pid, n, ret = 1;
+ 
+       printf("Checking for the skas3 patch in the host...");
+-      pid = start_ptraced_child();
++      pid = start_ptraced_child(&stack);
+ 
+       n = ptrace(PTRACE_FAULTINFO, pid, 0, &fi);
+       if (n < 0) {
+@@ -380,7 +390,7 @@ static inline int check_skas3_ptrace_sup
+       }
+ 
+       init_registers(pid);
+-      stop_ptraced_child(pid, 1, 1);
++      stop_ptraced_child(pid, stack, 1, 1);
+ 
+       return(ret);
+ }
+diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
+--- a/drivers/acpi/pci_irq.c
++++ b/drivers/acpi/pci_irq.c
+@@ -433,8 +433,9 @@ acpi_pci_irq_enable (
+               printk(KERN_WARNING PREFIX "PCI Interrupt %s[%c]: no GSI",
+                       pci_name(dev), ('A' + pin));
+               /* Interrupt Line values above 0xF are forbidden */
+-              if (dev->irq >= 0 && (dev->irq <= 0xF)) {
++              if (dev->irq > 0 && (dev->irq <= 0xF)) {
+                       printk(" - using IRQ %d\n", dev->irq);
++                      acpi_register_gsi(dev->irq, ACPI_LEVEL_SENSITIVE, 
ACPI_ACTIVE_LOW);
+                       return_VALUE(0);
+               }
+               else {
+diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
+--- a/drivers/char/tpm/tpm.c
++++ b/drivers/char/tpm/tpm.c
+@@ -32,12 +32,6 @@
+ 
+ #define       TPM_BUFSIZE                     2048
+ 
+-/* PCI configuration addresses */
+-#define       PCI_GEN_PMCON_1                 0xA0
+-#define       PCI_GEN1_DEC                    0xE4
+-#define       PCI_LPC_EN                      0xE6
+-#define       PCI_GEN2_DEC                    0xEC
+-
+ static LIST_HEAD(tpm_chip_list);
+ static DEFINE_SPINLOCK(driver_lock);
+ static int dev_mask[32];
+@@ -61,72 +55,6 @@ void tpm_time_expired(unsigned long ptr)
+ EXPORT_SYMBOL_GPL(tpm_time_expired);
+ 
+ /*
+- * Initialize the LPC bus and enable the TPM ports
+- */
+-int tpm_lpc_bus_init(struct pci_dev *pci_dev, u16 base)
+-{
+-      u32 lpcenable, tmp;
+-      int is_lpcm = 0;
+-
+-      switch (pci_dev->vendor) {
+-      case PCI_VENDOR_ID_INTEL:
+-              switch (pci_dev->device) {
+-              case PCI_DEVICE_ID_INTEL_82801CA_12:
+-              case PCI_DEVICE_ID_INTEL_82801DB_12:
+-                      is_lpcm = 1;
+-                      break;
+-              }
+-              /* init ICH (enable LPC) */
+-              pci_read_config_dword(pci_dev, PCI_GEN1_DEC, &lpcenable);
+-              lpcenable |= 0x20000000;
+-              pci_write_config_dword(pci_dev, PCI_GEN1_DEC, lpcenable);
+-
+-              if (is_lpcm) {
+-                      pci_read_config_dword(pci_dev, PCI_GEN1_DEC,
+-                                            &lpcenable);
+-                      if ((lpcenable & 0x20000000) == 0) {
+-                              dev_err(&pci_dev->dev,
+-                                      "cannot enable LPC\n");
+-                              return -ENODEV;
+-                      }
+-              }
+-
+-              /* initialize TPM registers */
+-              pci_read_config_dword(pci_dev, PCI_GEN2_DEC, &tmp);
+-
+-              if (!is_lpcm)
+-                      tmp = (tmp & 0xFFFF0000) | (base & 0xFFF0);
+-              else
+-                      tmp =
+-                          (tmp & 0xFFFF0000) | (base & 0xFFF0) |
+-                          0x00000001;
+-
+-              pci_write_config_dword(pci_dev, PCI_GEN2_DEC, tmp);
+-
+-              if (is_lpcm) {
+-                      pci_read_config_dword(pci_dev, PCI_GEN_PMCON_1,
+-                                            &tmp);
+-                      tmp |= 0x00000004;      /* enable CLKRUN */
+-                      pci_write_config_dword(pci_dev, PCI_GEN_PMCON_1,
+-                                             tmp);
+-              }
+-              tpm_write_index(0x0D, 0x55);    /* unlock 4F */
+-              tpm_write_index(0x0A, 0x00);    /* int disable */
+-              tpm_write_index(0x08, base);    /* base addr lo */
+-              tpm_write_index(0x09, (base & 0xFF00) >> 8);    /* base addr hi 
*/
+-              tpm_write_index(0x0D, 0xAA);    /* lock 4F */
+-              break;
+-      case PCI_VENDOR_ID_AMD:
+-              /* nothing yet */
+-              break;
+-      }
+-
+-      return 0;
+-}
+-
+-EXPORT_SYMBOL_GPL(tpm_lpc_bus_init);
+-
+-/*
+  * Internal kernel interface to transmit TPM commands
+  */
+ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
+@@ -590,10 +518,6 @@ int tpm_pm_resume(struct pci_dev *pci_de
+       if (chip == NULL)
+               return -ENODEV;
+ 
+-      spin_lock(&driver_lock);
+-      tpm_lpc_bus_init(pci_dev, chip->vendor->base);
+-      spin_unlock(&driver_lock);
+-
+       return 0;
+ }
+ 
+diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
+--- a/drivers/char/tpm/tpm.h
++++ b/drivers/char/tpm/tpm.h
+@@ -79,8 +79,6 @@ static inline void tpm_write_index(int i
+ }
+ 
+ extern void tpm_time_expired(unsigned long);
+-extern int tpm_lpc_bus_init(struct pci_dev *, u16);
+-
+ extern int tpm_register_hardware(struct pci_dev *,
+                                struct tpm_vendor_specific *);
+ extern int tpm_open(struct inode *, struct file *);
+diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c
+--- a/drivers/char/tpm/tpm_atmel.c
++++ b/drivers/char/tpm/tpm_atmel.c
+@@ -22,7 +22,10 @@
+ #include "tpm.h"
+ 
+ /* Atmel definitions */
+-#define       TPM_ATML_BASE                   0x400
++enum tpm_atmel_addr {
++      TPM_ATMEL_BASE_ADDR_LO = 0x08,
++      TPM_ATMEL_BASE_ADDR_HI = 0x09
++};
+ 
+ /* write status bits */
+ #define       ATML_STATUS_ABORT               0x01
+@@ -127,7 +130,6 @@ static struct tpm_vendor_specific tpm_at
+       .cancel = tpm_atml_cancel,
+       .req_complete_mask = ATML_STATUS_BUSY | ATML_STATUS_DATA_AVAIL,
+       .req_complete_val = ATML_STATUS_DATA_AVAIL,
+-      .base = TPM_ATML_BASE,
+       .miscdev = { .fops = &atmel_ops, },
+ };
+ 
+@@ -136,14 +138,16 @@ static int __devinit tpm_atml_init(struc
+ {
+       u8 version[4];
+       int rc = 0;
++      int lo, hi;
+ 
+       if (pci_enable_device(pci_dev))
+               return -EIO;
+ 
+-      if (tpm_lpc_bus_init(pci_dev, TPM_ATML_BASE)) {
+-              rc = -ENODEV;
+-              goto out_err;
+-      }
++      lo = tpm_read_index( TPM_ATMEL_BASE_ADDR_LO );
++      hi = tpm_read_index( TPM_ATMEL_BASE_ADDR_HI );
++
++      tpm_atmel.base = (hi<<8)|lo;
++      dev_dbg( &pci_dev->dev, "Operating with base: 0x%x\n", tpm_atmel.base);
+ 
+       /* verify that it is an Atmel part */
+       if (tpm_read_index(4) != 'A' || tpm_read_index(5) != 'T'
+diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c
+--- a/drivers/char/tpm/tpm_nsc.c
++++ b/drivers/char/tpm/tpm_nsc.c
+@@ -24,6 +24,10 @@
+ /* National definitions */
+ #define       TPM_NSC_BASE                    0x360
+ #define       TPM_NSC_IRQ                     0x07
++#define       TPM_NSC_BASE0_HI                0x60
++#define       TPM_NSC_BASE0_LO                0x61
++#define       TPM_NSC_BASE1_HI                0x62
++#define       TPM_NSC_BASE1_LO                0x63
+ 
+ #define       NSC_LDN_INDEX                   0x07
+ #define       NSC_SID_INDEX                   0x20
+@@ -234,7 +238,6 @@ static struct tpm_vendor_specific tpm_ns
+       .cancel = tpm_nsc_cancel,
+       .req_complete_mask = NSC_STATUS_OBF,
+       .req_complete_val = NSC_STATUS_OBF,
+-      .base = TPM_NSC_BASE,
+       .miscdev = { .fops = &nsc_ops, },
+       
+ };
+@@ -243,15 +246,16 @@ static int __devinit tpm_nsc_init(struct
+                                 const struct pci_device_id *pci_id)
+ {
+       int rc = 0;
++      int lo, hi;
++
++      hi = tpm_read_index(TPM_NSC_BASE0_HI);
++      lo = tpm_read_index(TPM_NSC_BASE0_LO);
++
++      tpm_nsc.base = (hi<<8) | lo;
+ 
+       if (pci_enable_device(pci_dev))
+               return -EIO;
+ 
+-      if (tpm_lpc_bus_init(pci_dev, TPM_NSC_BASE)) {
+-              rc = -ENODEV;
+-              goto out_err;
+-      }
+-
+       /* verify that it is a National part (SID) */
+       if (tpm_read_index(NSC_SID_INDEX) != 0xEF) {
+               rc = -ENODEV;
+diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c
+--- a/drivers/char/tty_ioctl.c
++++ b/drivers/char/tty_ioctl.c
+@@ -476,11 +476,11 @@ int n_tty_ioctl(struct tty_struct * tty,
+                       ld = tty_ldisc_ref(tty);
+                       switch (arg) {
+                       case TCIFLUSH:
+-                              if (ld->flush_buffer)
++                              if (ld && ld->flush_buffer)
+                                       ld->flush_buffer(tty);
+                               break;
+                       case TCIOFLUSH:
+-                              if (ld->flush_buffer)
++                              if (ld && ld->flush_buffer)
+                                       ld->flush_buffer(tty);
+                               /* fall through */
+                       case TCOFLUSH:
+diff --git a/drivers/media/video/cx88/cx88-video.c 
b/drivers/media/video/cx88/cx88-video.c
+--- a/drivers/media/video/cx88/cx88-video.c
++++ b/drivers/media/video/cx88/cx88-video.c
+@@ -261,7 +261,7 @@ static struct cx88_ctrl cx8800_ctls[] = 
+                       .default_value = 0,
+                       .type          = V4L2_CTRL_TYPE_INTEGER,
+               },
+-              .off                   = 0,
++              .off                   = 128,
+               .reg                   = MO_HUE,
+               .mask                  = 0x00ff,
+               .shift                 = 0,
+diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
+--- a/drivers/net/e1000/e1000_main.c
++++ b/drivers/net/e1000/e1000_main.c
+@@ -2307,6 +2307,7 @@ e1000_xmit_frame(struct sk_buff *skb, st
+       tso = e1000_tso(adapter, skb);
+       if (tso < 0) {
+               dev_kfree_skb_any(skb);
++              spin_unlock_irqrestore(&adapter->tx_lock, flags);
+               return NETDEV_TX_OK;
+       }
+ 
+diff --git a/drivers/net/hamradio/Kconfig b/drivers/net/hamradio/Kconfig
+--- a/drivers/net/hamradio/Kconfig
++++ b/drivers/net/hamradio/Kconfig
+@@ -17,7 +17,7 @@ config MKISS
+ 
+ config 6PACK
+       tristate "Serial port 6PACK driver"
+-      depends on AX25 && BROKEN_ON_SMP
++      depends on AX25
+       ---help---
+         6pack is a transmission protocol for the data exchange between your
+         PC and your TNC (the Terminal Node Controller acts as a kind of
+diff --git a/drivers/net/shaper.c b/drivers/net/shaper.c
+--- a/drivers/net/shaper.c
++++ b/drivers/net/shaper.c
+@@ -135,10 +135,8 @@ static int shaper_start_xmit(struct sk_b
+ {
+       struct shaper *shaper = dev->priv;
+       struct sk_buff *ptr;
+-   
+-      if (down_trylock(&shaper->sem))
+-              return -1;
+ 
++      spin_lock(&shaper->lock);
+       ptr=shaper->sendq.prev;
+       
+       /*
+@@ -232,7 +230,7 @@ static int shaper_start_xmit(struct sk_b
+                 shaper->stats.collisions++;
+       }
+       shaper_kick(shaper);
+-      up(&shaper->sem);
++      spin_unlock(&shaper->lock);
+       return 0;
+ }
+ 
+@@ -271,11 +269,9 @@ static void shaper_timer(unsigned long d
+ {
+       struct shaper *shaper = (struct shaper *)data;
+ 
+-      if (!down_trylock(&shaper->sem)) {
+-              shaper_kick(shaper);
+-              up(&shaper->sem);
+-      } else
+-              mod_timer(&shaper->timer, jiffies);
++      spin_lock(&shaper->lock);
++      shaper_kick(shaper);
++      spin_unlock(&shaper->lock);
+ }
+ 
+ /*
+@@ -332,21 +328,6 @@ static void shaper_kick(struct shaper *s
+ 
+ 
+ /*
+- *    Flush the shaper queues on a closedown
+- */
+- 
+-static void shaper_flush(struct shaper *shaper)
+-{
+-      struct sk_buff *skb;
+-
+-      down(&shaper->sem);
+-      while((skb=skb_dequeue(&shaper->sendq))!=NULL)
+-              dev_kfree_skb(skb);
+-      shaper_kick(shaper);
+-      up(&shaper->sem);
+-}
+-
+-/*
+  *    Bring the interface up. We just disallow this until a 
+  *    bind.
+  */
+@@ -375,7 +356,15 @@ static int shaper_open(struct net_device
+ static int shaper_close(struct net_device *dev)
+ {
+       struct shaper *shaper=dev->priv;
+-      shaper_flush(shaper);
++      struct sk_buff *skb;
++
++      while ((skb = skb_dequeue(&shaper->sendq)) != NULL)
++              dev_kfree_skb(skb);
++
++      spin_lock_bh(&shaper->lock);
++      shaper_kick(shaper);
++      spin_unlock_bh(&shaper->lock);
++
+       del_timer_sync(&shaper->timer);
+       return 0;
+ }
+@@ -576,6 +565,7 @@ static void shaper_init_priv(struct net_
+       init_timer(&sh->timer);
+       sh->timer.function=shaper_timer;
+       sh->timer.data=(unsigned long)sh;
++      spin_lock_init(&sh->lock);
+ }
+ 
+ /*
+diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
+--- a/drivers/pci/pci-driver.c
++++ b/drivers/pci/pci-driver.c
+@@ -396,7 +396,7 @@ int pci_register_driver(struct pci_drive
+       /* FIXME, once all of the existing PCI drivers have been fixed to set
+        * the pci shutdown function, this test can go away. */
+       if (!drv->driver.shutdown)
+-              drv->driver.shutdown = pci_device_shutdown,
++              drv->driver.shutdown = pci_device_shutdown;
+       drv->driver.owner = drv->owner;
+       drv->driver.kobj.ktype = &pci_driver_kobj_type;
+       pci_init_dynids(&drv->dynids);
+diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
+--- a/drivers/scsi/qla2xxx/qla_os.c
++++ b/drivers/scsi/qla2xxx/qla_os.c
+@@ -1150,7 +1150,7 @@ iospace_error_exit:
+  */
+ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
+ {
+-      int     ret;
++      int     ret = -ENODEV;
+       device_reg_t __iomem *reg;
+       struct Scsi_Host *host;
+       scsi_qla_host_t *ha;
+@@ -1161,7 +1161,7 @@ int qla2x00_probe_one(struct pci_dev *pd
+       fc_port_t *fcport;
+ 
+       if (pci_enable_device(pdev))
+-              return -1;
++              goto probe_out;
+ 
+       host = scsi_host_alloc(&qla2x00_driver_template,
+           sizeof(scsi_qla_host_t));
+@@ -1183,9 +1183,8 @@ int qla2x00_probe_one(struct pci_dev *pd
+ 
+       /* Configure PCI I/O space */
+       ret = qla2x00_iospace_config(ha);
+-      if (ret != 0) {
+-              goto probe_alloc_failed;
+-      }
++      if (ret)
++              goto probe_failed;
+ 
+       /* Sanitize the information from PCI BIOS. */
+       host->irq = pdev->irq;
+@@ -1258,23 +1257,10 @@ int qla2x00_probe_one(struct pci_dev *pd
+               qla_printk(KERN_WARNING, ha,
+                   "[ERROR] Failed to allocate memory for adapter\n");
+ 
+-              goto probe_alloc_failed;
++              ret = -ENOMEM;
++              goto probe_failed;
+       }
+ 
+-      pci_set_drvdata(pdev, ha);
+-      host->this_id = 255;
+-      host->cmd_per_lun = 3;
+-      host->unique_id = ha->instance;
+-      host->max_cmd_len = MAX_CMDSZ;
+-      host->max_channel = ha->ports - 1;
+-      host->max_id = ha->max_targets;
+-      host->max_lun = ha->max_luns;
+-      host->transportt = qla2xxx_transport_template;
+-      if (scsi_add_host(host, &pdev->dev))
+-              goto probe_alloc_failed;
+-
+-      qla2x00_alloc_sysfs_attr(ha);
+-
+       if (qla2x00_initialize_adapter(ha) &&
+           !(ha->device_flags & DFLG_NO_CABLE)) {
+ 
+@@ -1285,11 +1271,10 @@ int qla2x00_probe_one(struct pci_dev *pd
+                   "Adapter flags %x.\n",
+                   ha->host_no, ha->device_flags));
+ 
++              ret = -ENODEV;
+               goto probe_failed;
+       }
+ 
+-      qla2x00_init_host_attr(ha);
+-
+       /*
+        * Startup the kernel thread for this host adapter
+        */
+@@ -1299,17 +1284,26 @@ int qla2x00_probe_one(struct pci_dev *pd
+               qla_printk(KERN_WARNING, ha,
+                   "Unable to start DPC thread!\n");
+ 
++              ret = -ENODEV;
+               goto probe_failed;
+       }
+       wait_for_completion(&ha->dpc_inited);
+ 
++      host->this_id = 255;
++      host->cmd_per_lun = 3;
++      host->unique_id = ha->instance;
++      host->max_cmd_len = MAX_CMDSZ;
++      host->max_channel = ha->ports - 1;
++      host->max_lun = MAX_LUNS;
++      host->transportt = qla2xxx_transport_template;
++
+       if (IS_QLA2100(ha) || IS_QLA2200(ha))
+               ret = request_irq(host->irq, qla2100_intr_handler,
+                   SA_INTERRUPT|SA_SHIRQ, ha->brd_info->drv_name, ha);
+       else
+               ret = request_irq(host->irq, qla2300_intr_handler,
+                   SA_INTERRUPT|SA_SHIRQ, ha->brd_info->drv_name, ha);
+-      if (ret != 0) {
++      if (ret) {
+               qla_printk(KERN_WARNING, ha,
+                   "Failed to reserve interrupt %d already in use.\n",
+                   host->irq);
+@@ -1363,9 +1357,18 @@ int qla2x00_probe_one(struct pci_dev *pd
+               msleep(10);
+       }
+ 
++      pci_set_drvdata(pdev, ha);
+       ha->flags.init_done = 1;
+       num_hosts++;
+ 
++      ret = scsi_add_host(host, &pdev->dev);
++      if (ret)
++              goto probe_failed;
++
++      qla2x00_alloc_sysfs_attr(ha);
++
++      qla2x00_init_host_attr(ha);
++
+       qla_printk(KERN_INFO, ha, "\n"
+           " QLogic Fibre Channel HBA Driver: %s\n"
+           "  QLogic %s - %s\n"
+@@ -1384,9 +1387,6 @@ int qla2x00_probe_one(struct pci_dev *pd
+ probe_failed:
+       fc_remove_host(ha->host);
+ 
+-      scsi_remove_host(host);
+-
+-probe_alloc_failed:
+       qla2x00_free_device(ha);
+ 
+       scsi_host_put(host);
+@@ -1394,7 +1394,8 @@ probe_alloc_failed:
+ probe_disable_device:
+       pci_disable_device(pdev);
+ 
+-      return -1;
++probe_out:
++      return ret;
+ }
+ EXPORT_SYMBOL_GPL(qla2x00_probe_one);
+ 
+diff --git a/fs/char_dev.c b/fs/char_dev.c
+--- a/fs/char_dev.c
++++ b/fs/char_dev.c
+@@ -139,7 +139,7 @@ __unregister_chrdev_region(unsigned majo
+       struct char_device_struct *cd = NULL, **cp;
+       int i = major_to_index(major);
+ 
+-      up(&chrdevs_lock);
++      down(&chrdevs_lock);
+       for (cp = &chrdevs[i]; *cp; cp = &(*cp)->next)
+               if ((*cp)->major == major &&
+                   (*cp)->baseminor == baseminor &&
+diff --git a/fs/exec.c b/fs/exec.c
+--- a/fs/exec.c
++++ b/fs/exec.c
+@@ -649,6 +649,7 @@ static inline int de_thread(struct task_
+       }
+       sig->group_exit_task = NULL;
+       sig->notify_count = 0;
++      sig->real_timer.data = (unsigned long)current;
+       spin_unlock_irq(lock);
+ 
+       /*
+diff --git a/include/asm-i386/string.h b/include/asm-i386/string.h
+--- a/include/asm-i386/string.h
++++ b/include/asm-i386/string.h
+@@ -116,7 +116,8 @@ __asm__ __volatile__(
+       "orb $1,%%al\n"
+       "3:"
+       :"=a" (__res), "=&S" (d0), "=&D" (d1)
+-                   :"1" (cs),"2" (ct));
++      :"1" (cs),"2" (ct)
++      :"memory");
+ return __res;
+ }
+ 
+@@ -138,8 +139,9 @@ __asm__ __volatile__(
+       "3:\tsbbl %%eax,%%eax\n\t"
+       "orb $1,%%al\n"
+       "4:"
+-                   :"=a" (__res), "=&S" (d0), "=&D" (d1), "=&c" (d2)
+-                   :"1" (cs),"2" (ct),"3" (count));
++      :"=a" (__res), "=&S" (d0), "=&D" (d1), "=&c" (d2)
++      :"1" (cs),"2" (ct),"3" (count)
++      :"memory");
+ return __res;
+ }
+ 
+@@ -158,7 +160,9 @@ __asm__ __volatile__(
+       "movl $1,%1\n"
+       "2:\tmovl %1,%0\n\t"
+       "decl %0"
+-      :"=a" (__res), "=&S" (d0) : "1" (s),"0" (c));
++      :"=a" (__res), "=&S" (d0)
++      :"1" (s),"0" (c)
++      :"memory");
+ return __res;
+ }
+ 
+@@ -175,7 +179,9 @@ __asm__ __volatile__(
+       "leal -1(%%esi),%0\n"
+       "2:\ttestb %%al,%%al\n\t"
+       "jne 1b"
+-      :"=g" (__res), "=&S" (d0), "=&a" (d1) :"0" (0),"1" (s),"2" (c));
++      :"=g" (__res), "=&S" (d0), "=&a" (d1)
++      :"0" (0),"1" (s),"2" (c)
++      :"memory");
+ return __res;
+ }
+ 
+@@ -189,7 +195,9 @@ __asm__ __volatile__(
+       "scasb\n\t"
+       "notl %0\n\t"
+       "decl %0"
+-      :"=c" (__res), "=&D" (d0) :"1" (s),"a" (0), "0" (0xffffffffu));
++      :"=c" (__res), "=&D" (d0)
++      :"1" (s),"a" (0), "0" (0xffffffffu)
++      :"memory");
+ return __res;
+ }
+ 
+@@ -333,7 +341,9 @@ __asm__ __volatile__(
+       "je 1f\n\t"
+       "movl $1,%0\n"
+       "1:\tdecl %0"
+-      :"=D" (__res), "=&c" (d0) : "a" (c),"0" (cs),"1" (count));
++      :"=D" (__res), "=&c" (d0)
++      :"a" (c),"0" (cs),"1" (count)
++      :"memory");
+ return __res;
+ }
+ 
+@@ -369,7 +379,7 @@ __asm__ __volatile__(
+       "je 2f\n\t"
+       "stosb\n"
+       "2:"
+-      : "=&c" (d0), "=&D" (d1)
++      :"=&c" (d0), "=&D" (d1)
+       :"a" (c), "q" (count), "0" (count/4), "1" ((long) s)
+       :"memory");
+ return (s);   
+@@ -392,7 +402,8 @@ __asm__ __volatile__(
+       "jne 1b\n"
+       "3:\tsubl %2,%0"
+       :"=a" (__res), "=&d" (d0)
+-      :"c" (s),"1" (count));
++      :"c" (s),"1" (count)
++      :"memory");
+ return __res;
+ }
+ /* end of additional stuff */
+@@ -473,7 +484,8 @@ static inline void * memscan(void * addr
+               "dec %%edi\n"
+               "1:"
+               : "=D" (addr), "=c" (size)
+-              : "0" (addr), "1" (size), "a" (c));
++              : "0" (addr), "1" (size), "a" (c)
++              : "memory");
+       return addr;
+ }
+ 
+diff --git a/include/linux/if_shaper.h b/include/linux/if_shaper.h
+--- a/include/linux/if_shaper.h
++++ b/include/linux/if_shaper.h
+@@ -23,7 +23,7 @@ struct shaper
+       __u32 shapeclock;
+       unsigned long recovery; /* Time we can next clock a packet out on
+                                  an empty queue */
+-      struct semaphore sem;
++      spinlock_t lock;
+         struct net_device_stats stats;
+       struct net_device *dev;
+       int  (*hard_start_xmit) (struct sk_buff *skb,
+diff --git a/mm/memory.c b/mm/memory.c
+--- a/mm/memory.c
++++ b/mm/memory.c
+@@ -1164,7 +1164,7 @@ int remap_pfn_range(struct vm_area_struc
+ {
+       pgd_t *pgd;
+       unsigned long next;
+-      unsigned long end = addr + size;
++      unsigned long end = addr + PAGE_ALIGN(size);
+       struct mm_struct *mm = vma->vm_mm;
+       int err;
+ 
+diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
+--- a/net/ipv4/ip_output.c
++++ b/net/ipv4/ip_output.c
+@@ -111,7 +111,6 @@ static int ip_dev_loopback_xmit(struct s
+ #ifdef CONFIG_NETFILTER_DEBUG
+       nf_debug_ip_loopback_xmit(newskb);
+ #endif
+-      nf_reset(newskb);
+       netif_rx(newskb);
+       return 0;
+ }
+@@ -196,8 +195,6 @@ static inline int ip_finish_output2(stru
+       nf_debug_ip_finish_output2(skb);
+ #endif /*CONFIG_NETFILTER_DEBUG*/
+ 
+-      nf_reset(skb);
+-
+       if (hh) {
+               int hh_alen;
+ 
+diff --git a/net/ipv4/netfilter/ip_conntrack_standalone.c 
b/net/ipv4/netfilter/ip_conntrack_standalone.c
+--- a/net/ipv4/netfilter/ip_conntrack_standalone.c
++++ b/net/ipv4/netfilter/ip_conntrack_standalone.c
+@@ -432,6 +432,13 @@ static unsigned int ip_conntrack_defrag(
+                                       const struct net_device *out,
+                                       int (*okfn)(struct sk_buff *))
+ {
++#if !defined(CONFIG_IP_NF_NAT) && !defined(CONFIG_IP_NF_NAT_MODULE)
++      /* Previously seen (loopback)?  Ignore.  Do this before
++           fragment check. */
++      if ((*pskb)->nfct)
++              return NF_ACCEPT;
++#endif
++
+       /* Gather fragments. */
+       if ((*pskb)->nh.iph->frag_off & htons(IP_MF|IP_OFFSET)) {
+               *pskb = ip_ct_gather_frags(*pskb,
+diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
+--- a/net/netlink/af_netlink.c
++++ b/net/netlink/af_netlink.c
+@@ -315,8 +315,8 @@ err:
+ static void netlink_remove(struct sock *sk)
+ {
+       netlink_table_grab();
+-      nl_table[sk->sk_protocol].hash.entries--;
+-      sk_del_node_init(sk);
++      if (sk_del_node_init(sk))
++              nl_table[sk->sk_protocol].hash.entries--;
+       if (nlk_sk(sk)->groups)
+               __sk_del_bind_node(sk);
+       netlink_table_ungrab();
+@@ -429,7 +429,12 @@ retry:
+       err = netlink_insert(sk, pid);
+       if (err == -EADDRINUSE)
+               goto retry;
+-      return 0;
++
++      /* If 2 threads race to autobind, that is fine.  */
++      if (err == -EBUSY)
++              err = 0;
++
++      return err;
+ }
+ 
+ static inline int netlink_capable(struct socket *sock, unsigned int flag) 
+diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
+--- a/net/packet/af_packet.c
++++ b/net/packet/af_packet.c
+@@ -274,6 +274,9 @@ static int packet_rcv_spkt(struct sk_buf
+       dst_release(skb->dst);
+       skb->dst = NULL;
+ 
++      /* drop conntrack reference */
++      nf_reset(skb);
++
+       spkt = (struct sockaddr_pkt*)skb->cb;
+ 
+       skb_push(skb, skb->data-skb->mac.raw);
+@@ -517,6 +520,9 @@ static int packet_rcv(struct sk_buff *sk
+       dst_release(skb->dst);
+       skb->dst = NULL;
+ 
++      /* drop conntrack reference */
++      nf_reset(skb);
++
+       spin_lock(&sk->sk_receive_queue.lock);
+       po->stats.tp_packets++;
+       __skb_queue_tail(&sk->sk_receive_queue, skb);

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