15 files changed, 94 insertions, 16 deletions

diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index 6ccc364c08df..6e6a7c7a7eff 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -1245,7 +1245,7 @@ static int rtc_proc_open(struct inode *inode, struct file *file)
 
 void rtc_get_rtc_time(struct rtc_time *rtc_tm)
 {
-        unsigned long uip_watchdog = jiffies;
+        unsigned long uip_watchdog = jiffies, flags;
         unsigned char ctrl;
 #ifdef CONFIG_MACH_DECSTATION
         unsigned int real_year;
@@ -1272,7 +1272,7 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm)
          * RTC has RTC_DAY_OF_WEEK, we should usually ignore it, as it is
          * only updated by the RTC when initially set to a non-zero value.
          */
-        spin_lock_irq(&rtc_lock);
+        spin_lock_irqsave(&rtc_lock, flags);
         rtc_tm->tm_sec = CMOS_READ(RTC_SECONDS);
         rtc_tm->tm_min = CMOS_READ(RTC_MINUTES);
         rtc_tm->tm_hour = CMOS_READ(RTC_HOURS);
@@ -1286,7 +1286,7 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm)
         real_year = CMOS_READ(RTC_DEC_YEAR);
 #endif
         ctrl = CMOS_READ(RTC_CONTROL);
-        spin_unlock_irq(&rtc_lock);
+        spin_unlock_irqrestore(&rtc_lock, flags);
 
         if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
         {
diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c
index f82e82109728..2f962cfa3f7f 100644
--- a/drivers/ide/pci/generic.c
+++ b/drivers/ide/pci/generic.c
@@ -212,6 +212,9 @@ static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_devi
             (!(PCI_FUNC(dev->devfn) & 1)))
                 goto out;
 
+        if (dev->vendor == PCI_VENDOR_ID_JMICRON && PCI_FUNC(dev->devfn) != 1)
+                goto out;
+
         pci_read_config_word(dev, PCI_COMMAND, &command);
         if (!(command & PCI_COMMAND_IO)) {
                 printk(KERN_INFO "Skipping disabled %s IDE controller.\n", d->name);
@@ -239,6 +242,11 @@ static struct pci_device_id generic_pci_tbl[] = {
         { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1,   PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12},
         { PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2,   PCI_ANY_ID, PCI_ANY_ID, 0, 0, 13},
         { PCI_VENDOR_ID_NETCELL,PCI_DEVICE_ID_REVOLUTION,          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 14},
+        { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB361,     PCI_ANY_ID, PCI_ANY_ID, 0, 0, 15},
+        { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB363,     PCI_ANY_ID, PCI_ANY_ID, 0, 0, 16},
+        { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB365,     PCI_ANY_ID, PCI_ANY_ID, 0, 0, 17},
+        { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB366,     PCI_ANY_ID, PCI_ANY_ID, 0, 0, 18},
+        { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB368,     PCI_ANY_ID, PCI_ANY_ID, 0, 0, 19},
         /* Must come last. If you add entries adjust this table appropriately and the init_one code */
         { PCI_ANY_ID,           PCI_ANY_ID,                        PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0},
         { 0, },
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 36bc7c415af7..a83c1f5735d6 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -47,13 +47,13 @@ msi_register(struct msi_ops *ops)
 
 static void msi_cache_ctor(void *p, kmem_cache_t *cache, unsigned long flags)
 {
-        memset(p, 0, NR_IRQS * sizeof(struct msi_desc));
+        memset(p, 0, sizeof(struct msi_desc));
 }
 
 static int msi_cache_init(void)
 {
         msi_cachep = kmem_cache_create("msi_cache",
-                        NR_IRQS * sizeof(struct msi_desc),
+                        sizeof(struct msi_desc),
                         0, SLAB_HWCACHE_ALIGN, msi_cache_ctor, NULL);
         if (!msi_cachep)
                 return -ENOMEM;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index e9a57afa1a08..de3bbc88fb26 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1175,6 +1175,55 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_962,		quirk_sis_96x_
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI,      PCI_DEVICE_ID_SI_963,           quirk_sis_96x_smbus );
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI,      PCI_DEVICE_ID_SI_LPC,           quirk_sis_96x_smbus );
 
+#if defined(CONFIG_SCSI_SATA) || defined(CONFIG_SCSI_SATA_MODULE)
+
+/*
+ *      If we are using libata we can drive this chip properly but must
+ *      do this early on to make the additional device appear during
+ *      the PCI scanning.
+ */
+
+static void __devinit quirk_jmicron_dualfn(struct pci_dev *pdev)
+{
+        u32 conf;
+        u8 hdr;
+
+        /* Only poke fn 0 */
+        if (PCI_FUNC(pdev->devfn))
+                return;
+
+        switch(pdev->device) {
+                case PCI_DEVICE_ID_JMICRON_JMB365:
+                case PCI_DEVICE_ID_JMICRON_JMB366:
+                        /* Redirect IDE second PATA port to the right spot */
+                        pci_read_config_dword(pdev, 0x80, &conf);
+                        conf |= (1 << 24);
+                        /* Fall through */
+                        pci_write_config_dword(pdev, 0x80, conf);
+                case PCI_DEVICE_ID_JMICRON_JMB361:
+                case PCI_DEVICE_ID_JMICRON_JMB363:
+                        pci_read_config_dword(pdev, 0x40, &conf);
+                        /* Enable dual function mode, AHCI on fn 0, IDE fn1 */
+                        /* Set the class codes correctly and then direct IDE 0 */
+                        conf &= ~0x000F0200;    /* Clear bit 9 and 16-19 */
+                        conf |=  0x00C20002;    /* Set bit 1, 17, 22, 23 */
+                        pci_write_config_dword(pdev, 0x40, conf);
+
+                        /* Reconfigure so that the PCI scanner discovers the
+                           device is now multifunction */
+
+                        pci_read_config_byte(pdev, PCI_HEADER_TYPE, &hdr);
+                        pdev->hdr_type = hdr & 0x7f;
+                        pdev->multifunction = !!(hdr & 0x80);
+
+                        break;
+        }
+}
+
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, quirk_jmicron_dualfn);
+
+#endif
+
 #ifdef CONFIG_X86_IO_APIC
 static void __init quirk_alder_ioapic(struct pci_dev *pdev)
 {
diff --git a/fs/file.c b/fs/file.c
index 3f356086061d..b3c6b82e6a9d 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -240,7 +240,7 @@ static struct fdtable *alloc_fdtable(int nr)
         if (!fdt)
                 goto out;
 
-        nfds = max_t(int, 8 * L1_CACHE_BYTES, roundup_pow_of_two(nfds));
+        nfds = max_t(int, 8 * L1_CACHE_BYTES, roundup_pow_of_two(nr + 1));
         if (nfds > NR_OPEN)
                 nfds = NR_OPEN;
 
@@ -273,11 +273,13 @@ static struct fdtable *alloc_fdtable(int nr)
         } while (nfds <= nr);
         new_fds = alloc_fd_array(nfds);
         if (!new_fds)
-                goto out;
+                goto out2;
         fdt->fd = new_fds;
         fdt->max_fds = nfds;
         fdt->free_files = NULL;
         return fdt;
+out2:
+        nfds = fdt->max_fdset;
 out:
         if (new_openset)
                 free_fdset(new_openset, nfds);
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index 8d6d85d7400f..6a984f64edd7 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -382,7 +382,7 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
                                  */
                                 if (n) { 
                                         if (clear_user(buffer + tsz - n,
-                                                                tsz - n))
+                                                                n))
                                                 return -EFAULT;
                                 }
                         } else {
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index 5e0e31cc46f5..9889e54e1f13 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -109,6 +109,17 @@ static inline void set_inode_attr(struct inode * inode, struct iattr * iattr)
         inode->i_ctime = iattr->ia_ctime;
 }
 
+
+/*
+ * sysfs has a different i_mutex lock order behavior for i_mutex than other
+ * filesystems; sysfs i_mutex is called in many places with subsystem locks
+ * held. At the same time, many of the VFS locking rules do not apply to
+ * sysfs at all (cross directory rename for example). To untangle this mess
+ * (which gives false positives in lockdep), we're giving sysfs inodes their
+ * own class for i_mutex.
+ */
+static struct lock_class_key sysfs_inode_imutex_key;
+
 struct inode * sysfs_new_inode(mode_t mode, struct sysfs_dirent * sd)
 {
         struct inode * inode = new_inode(sysfs_sb);
@@ -118,6 +129,7 @@ struct inode * sysfs_new_inode(mode_t mode, struct sysfs_dirent * sd)
                 inode->i_mapping->a_ops = &sysfs_aops;
                 inode->i_mapping->backing_dev_info = &sysfs_backing_dev_info;
                 inode->i_op = &sysfs_inode_operations;
+                lockdep_set_class(&inode->i_mutex, &sysfs_inode_imutex_key);
 
                 if (sd->s_iattr) {
                         /* sysfs_dirent has non-default attributes
diff --git a/include/asm-frv/processor.h b/include/asm-frv/processor.h
index 1c4dba1c5f57..3744f2e47f48 100644
--- a/include/asm-frv/processor.h
+++ b/include/asm-frv/processor.h
@@ -21,6 +21,7 @@
  */
 #define current_text_addr() ({ __label__ _l; _l: &&_l;})
 
+#include <linux/compiler.h>
 #include <linux/linkage.h>
 #include <asm/sections.h>
 #include <asm/segment.h>
@@ -139,7 +140,7 @@ unsigned long get_wchan(struct task_struct *p);
 extern struct task_struct *alloc_task_struct(void);
 extern void free_task_struct(struct task_struct *p);
 
-#define cpu_relax()    do { } while (0)
+#define cpu_relax()    barrier()
 
 /* data cache prefetch */
 #define ARCH_HAS_PREFETCH
diff --git a/include/asm-h8300/processor.h b/include/asm-h8300/processor.h
index c7e2f454b83a..99b664aa2083 100644
--- a/include/asm-h8300/processor.h
+++ b/include/asm-h8300/processor.h
@@ -17,6 +17,7 @@
  */
 #define current_text_addr() ({ __label__ _l; _l: &&_l;})
 
+#include <linux/compiler.h>
 #include <asm/segment.h>
 #include <asm/fpu.h>
 #include <asm/ptrace.h>
@@ -129,6 +130,6 @@ unsigned long get_wchan(struct task_struct *p);
         eip; })
 #define KSTK_ESP(tsk)   ((tsk) == current ? rdusp() : (tsk)->thread.usp)
 
-#define cpu_relax()    do { } while (0)
+#define cpu_relax()    barrier()
 
 #endif
diff --git a/include/asm-m68knommu/processor.h b/include/asm-m68knommu/processor.h
index 0ee158e09abb..9d3a1bf41231 100644
--- a/include/asm-m68knommu/processor.h
+++ b/include/asm-m68knommu/processor.h
@@ -13,6 +13,7 @@
  */
 #define current_text_addr() ({ __label__ _l; _l: &&_l;})
 
+#include <linux/compiler.h>
 #include <linux/threads.h>
 #include <asm/types.h>
 #include <asm/segment.h>
@@ -137,6 +138,6 @@ unsigned long get_wchan(struct task_struct *p);
         eip; })
 #define KSTK_ESP(tsk)   ((tsk) == current ? rdusp() : (tsk)->thread.usp)
 
-#define cpu_relax()    do { } while (0)
+#define cpu_relax()    barrier()
 
 #endif
diff --git a/include/asm-sh/processor.h b/include/asm-sh/processor.h
index fa5bd2d8803e..eeb0f48bb99e 100644
--- a/include/asm-sh/processor.h
+++ b/include/asm-sh/processor.h
@@ -9,6 +9,7 @@
 #define __ASM_SH_PROCESSOR_H
 #ifdef __KERNEL__
 
+#include <linux/compiler.h>
 #include <asm/page.h>
 #include <asm/types.h>
 #include <asm/cache.h>
@@ -263,7 +264,7 @@ extern unsigned long get_wchan(struct task_struct *p);
 #define KSTK_ESP(tsk)  ((tsk)->thread.sp)
 
 #define cpu_sleep()     __asm__ __volatile__ ("sleep" : : : "memory")
-#define cpu_relax()     do { } while (0)
+#define cpu_relax()     barrier()
 
 #endif /* __KERNEL__ */
 #endif /* __ASM_SH_PROCESSOR_H */
diff --git a/include/asm-sh64/processor.h b/include/asm-sh64/processor.h
index 1bf252dad824..eb2bee4b47b9 100644
--- a/include/asm-sh64/processor.h
+++ b/include/asm-sh64/processor.h
@@ -22,6 +22,7 @@
 #include <asm/cache.h>
 #include <asm/registers.h>
 #include <linux/threads.h>
+#include <linux/compiler.h>
 
 /*
  * Default implementation of macro that returns current
@@ -279,7 +280,7 @@ extern unsigned long get_wchan(struct task_struct *p);
 #define KSTK_EIP(tsk)  ((tsk)->thread.pc)
 #define KSTK_ESP(tsk)  ((tsk)->thread.sp)
 
-#define cpu_relax()     do { } while (0)
+#define cpu_relax()     barrier()
 
 #endif  /* __ASSEMBLY__ */
 #endif /* __ASM_SH64_PROCESSOR_H */
diff --git a/include/asm-v850/processor.h b/include/asm-v850/processor.h
index 6965b66ccaed..979e3467f9af 100644
--- a/include/asm-v850/processor.h
+++ b/include/asm-v850/processor.h
@@ -18,6 +18,7 @@
 #include <linux/thread_info.h>
 #endif
 
+#include <linux/compiler.h>
 #include <asm/ptrace.h>
 #include <asm/entry.h>
 
@@ -106,7 +107,7 @@ unsigned long get_wchan (struct task_struct *p);
 #define KSTK_ESP(task)  task_sp (task)
 
 
-#define cpu_relax()    ((void)0)
+#define cpu_relax()    barrier()
 
 
 #else /* __ASSEMBLY__ */
diff --git a/include/asm-xtensa/processor.h b/include/asm-xtensa/processor.h
index d1d72ad36f08..8b96e77c9d82 100644
--- a/include/asm-xtensa/processor.h
+++ b/include/asm-xtensa/processor.h
@@ -20,6 +20,7 @@
 #include <xtensa/config/tie.h>
 #include <xtensa/config/system.h>
 
+#include <linux/compiler.h>
 #include <asm/ptrace.h>
 #include <asm/types.h>
 #include <asm/coprocessor.h>
@@ -191,7 +192,7 @@ extern unsigned long get_wchan(struct task_struct *p);
 #define KSTK_EIP(tsk)           (task_pt_regs(tsk)->pc)
 #define KSTK_ESP(tsk)           (task_pt_regs(tsk)->areg[1])
 
-#define cpu_relax()  do { } while (0)
+#define cpu_relax()  barrier()
 
 /* Special register access. */
 
diff --git a/kernel/sys.c b/kernel/sys.c
index dbb3b9c7ea64..e236f98f7ec5 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1983,7 +1983,7 @@ asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
                         error = current->mm->dumpable;
                         break;
                 case PR_SET_DUMPABLE:
-                        if (arg2 < 0 || arg2 > 2) {
+                        if (arg2 < 0 || arg2 > 1) {
                                 error = -EINVAL;
                                 break;
                         }