12 files changed, 76 insertions, 25 deletions

diff --git a/include/asm-alpha/param.h b/include/asm-alpha/param.h
index 0982f1d39499..e691ecfedb2c 100644
--- a/include/asm-alpha/param.h
+++ b/include/asm-alpha/param.h
@@ -5,8 +5,12 @@
    hardware ignores reprogramming.  We also need userland buy-in to the 
    change in HZ, since this is visible in the wait4 resources etc.  */
 
+#ifdef __KERNEL__
 #define HZ              CONFIG_HZ
 #define USER_HZ         HZ
+#else
+#define HZ              1024
+#endif
 
 #define EXEC_PAGESIZE   8192
 
diff --git a/include/asm-h8300/param.h b/include/asm-h8300/param.h
index 04f64f100379..1c72fb8080ff 100644
--- a/include/asm-h8300/param.h
+++ b/include/asm-h8300/param.h
@@ -1,14 +1,12 @@
 #ifndef _H8300_PARAM_H
 #define _H8300_PARAM_H
 
-
-#ifndef HZ
-#define HZ CONFIG_HZ
-#endif
-
 #ifdef __KERNEL__
+#define HZ              CONFIG_HZ
 #define USER_HZ         HZ
 #define CLOCKS_PER_SEC  (USER_HZ)
+#else
+#define HZ              100
 #endif
 
 #define EXEC_PAGESIZE   4096
diff --git a/include/asm-sparc/mman.h b/include/asm-sparc/mman.h
index e18be984c01d..3d16b40bb8ef 100644
--- a/include/asm-sparc/mman.h
+++ b/include/asm-sparc/mman.h
@@ -24,9 +24,8 @@
 
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
-#define arch_mmap_check sparc_mmap_check
-int sparc_mmap_check(unsigned long addr, unsigned long len,
-                unsigned long flags);
+#define arch_mmap_check(addr,len,flags) sparc_mmap_check(addr,len)
+int sparc_mmap_check(unsigned long addr, unsigned long len);
 #endif
 #endif
 
diff --git a/include/asm-sparc64/mman.h b/include/asm-sparc64/mman.h
index e584563b56eb..625be4d61baf 100644
--- a/include/asm-sparc64/mman.h
+++ b/include/asm-sparc64/mman.h
@@ -24,9 +24,8 @@
 
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
-#define arch_mmap_check sparc64_mmap_check
-int sparc64_mmap_check(unsigned long addr, unsigned long len,
-                unsigned long flags);
+#define arch_mmap_check(addr,len,flags) sparc64_mmap_check(addr,len)
+int sparc64_mmap_check(unsigned long addr, unsigned long len);
 #endif
 #endif
 
diff --git a/include/asm-sparc64/thread_info.h b/include/asm-sparc64/thread_info.h
index 71e42d1a80d9..e5873e385306 100644
--- a/include/asm-sparc64/thread_info.h
+++ b/include/asm-sparc64/thread_info.h
@@ -38,7 +38,7 @@ struct thread_info {
         struct task_struct      *task;
         unsigned long           flags;
         __u8                    fpsaved[7];
-        __u8                    pad;
+        __u8                    status;
         unsigned long           ksp;
 
         /* D$ line 2 */
@@ -217,7 +217,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
  *       nop
  */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
-#define TIF_RESTORE_SIGMASK     1       /* restore signal mask in do_signal() */
+/* flags bit 1 is available */
 #define TIF_SIGPENDING          2       /* signal pending */
 #define TIF_NEED_RESCHED        3       /* rescheduling necessary */
 #define TIF_PERFCTR             4       /* performance counters active */
@@ -244,14 +244,34 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define _TIF_32BIT              (1<<TIF_32BIT)
 #define _TIF_SECCOMP            (1<<TIF_SECCOMP)
 #define _TIF_SYSCALL_AUDIT      (1<<TIF_SYSCALL_AUDIT)
-#define _TIF_RESTORE_SIGMASK    (1<<TIF_RESTORE_SIGMASK)
 #define _TIF_ABI_PENDING        (1<<TIF_ABI_PENDING)
 #define _TIF_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
 
 #define _TIF_USER_WORK_MASK     ((0xff << TI_FLAG_WSAVED_SHIFT) | \
-                                 (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | \
+                                 (_TIF_SIGPENDING | \
                                   _TIF_NEED_RESCHED | _TIF_PERFCTR))
 
+/*
+ * Thread-synchronous status.
+ *
+ * This is different from the flags in that nobody else
+ * ever touches our thread-synchronous status, so we don't
+ * have to worry about atomic accesses.
+ *
+ * Note that there are only 8 bits available.
+ */
+#define TS_RESTORE_SIGMASK      0x0001  /* restore signal mask in do_signal() */
+
+#ifndef __ASSEMBLY__
+#define HAVE_SET_RESTORE_SIGMASK        1
+static inline void set_restore_sigmask(void)
+{
+        struct thread_info *ti = current_thread_info();
+        ti->status |= TS_RESTORE_SIGMASK;
+        set_bit(TIF_SIGPENDING, &ti->flags);
+}
+#endif  /* !__ASSEMBLY__ */
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_THREAD_INFO_H */
diff --git a/include/asm-um/param.h b/include/asm-um/param.h
index 4cd4a226f8c1..e44f4e60d16d 100644
--- a/include/asm-um/param.h
+++ b/include/asm-um/param.h
@@ -13,6 +13,8 @@
 #define HZ CONFIG_HZ
 #define USER_HZ 100        /* .. some user interfaces are in "ticks" */
 #define CLOCKS_PER_SEC (USER_HZ)  /* frequency at which times() counts */
+#else
+#define HZ 100
 #endif
 
 #endif
diff --git a/include/asm-v850/param.h b/include/asm-v850/param.h
index 281832690290..4391f5fe0204 100644
--- a/include/asm-v850/param.h
+++ b/include/asm-v850/param.h
@@ -26,6 +26,8 @@
 # define HZ             CONFIG_HZ
 # define USER_HZ        100
 # define CLOCKS_PER_SEC USER_HZ
+#else
+# define HZ             100
 #endif
 
 #endif /* __V850_PARAM_H__ */
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index 801b31f71452..55c3a0e3a8ce 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -57,7 +57,8 @@
 #define _KERNPG_TABLE   (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED |    \
                          _PAGE_DIRTY)
 
-#define _PAGE_CHG_MASK  (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
+#define _PAGE_CHG_MASK  (PTE_MASK | _PAGE_PCD | _PAGE_PWT |             \
+                         _PAGE_ACCESSED | _PAGE_DIRTY)
 
 #define _PAGE_CACHE_MASK        (_PAGE_PCD | _PAGE_PWT)
 #define _PAGE_CACHE_WB          (0)
@@ -288,12 +289,21 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
          * Chop off the NX bit (if present), and add the NX portion of
          * the newprot (if present):
          */
-        val &= _PAGE_CHG_MASK & ~_PAGE_NX;
-        val |= pgprot_val(newprot) & __supported_pte_mask;
+        val &= _PAGE_CHG_MASK;
+        val |= pgprot_val(newprot) & (~_PAGE_CHG_MASK) & __supported_pte_mask;
 
         return __pte(val);
 }
 
+/* mprotect needs to preserve PAT bits when updating vm_page_prot */
+#define pgprot_modify pgprot_modify
+static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
+{
+        pgprotval_t preservebits = pgprot_val(oldprot) & _PAGE_CHG_MASK;
+        pgprotval_t addbits = pgprot_val(newprot);
+        return __pgprot(preservebits | addbits);
+}
+
 #define pte_pgprot(x) __pgprot(pte_val(x) & (0xfff | _PAGE_NX))
 
 #define canon_pgprot(p) __pgprot(pgprot_val(p) & __supported_pte_mask)
diff --git a/include/asm-xtensa/param.h b/include/asm-xtensa/param.h
index 82ad34d92d35..ba03d5aeab6b 100644
--- a/include/asm-xtensa/param.h
+++ b/include/asm-xtensa/param.h
@@ -15,6 +15,8 @@
 # define HZ             CONFIG_HZ       /* internal timer frequency */
 # define USER_HZ        100             /* for user interfaces in "ticks" */
 # define CLOCKS_PER_SEC (USER_HZ)       /* frequnzy at which times() counts */
+#else
+# define HZ             100
 #endif
 
 #define EXEC_PAGESIZE   4096
diff --git a/include/linux/ide.h b/include/linux/ide.h
index b0135b0c3a04..f8f195c20da2 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -965,7 +965,6 @@ typedef struct ide_task_s {
 void ide_tf_dump(const char *, struct ide_taskfile *);
 
 extern void SELECT_DRIVE(ide_drive_t *);
-extern void SELECT_MASK(ide_drive_t *, int);
 
 extern int drive_is_ready(ide_drive_t *);
 
@@ -1058,8 +1057,8 @@ enum {
         IDE_HFLAG_NO_SET_MODE           = (1 << 9),
         /* trust BIOS for programming chipset/device for DMA */
         IDE_HFLAG_TRUST_BIOS_FOR_DMA    = (1 << 10),
-        /* host uses VDMA (tied with IDE_HFLAG_CS5520 for now) */
-        IDE_HFLAG_VDMA                  = (1 << 11),
+        /* host is CS5510/CS5520 */
+        IDE_HFLAG_CS5520                = (1 << 11),
         /* ATAPI DMA is unsupported */
         IDE_HFLAG_NO_ATAPI_DMA          = (1 << 12),
         /* set if host is a "non-bootable" controller */
@@ -1070,8 +1069,6 @@ enum {
         IDE_HFLAG_NO_AUTODMA            = (1 << 15),
         /* host uses MMIO */
         IDE_HFLAG_MMIO                  = (1 << 16),
-        /* host is CS5510/CS5520 */
-        IDE_HFLAG_CS5520                = IDE_HFLAG_VDMA,
         /* no LBA48 */
         IDE_HFLAG_NO_LBA48              = (1 << 17),
         /* no LBA48 DMA */
@@ -1101,6 +1098,8 @@ enum {
         IDE_HFLAG_NO_IO_32BIT           = (1 << 30),
         /* never unmask IRQs */
         IDE_HFLAG_NO_UNMASK_IRQS        = (1 << 31),
+        /* host uses VDMA (disabled for now) */
+        IDE_HFLAG_VDMA                  = 0,
 };
 
 #ifdef CONFIG_BLK_DEV_OFFBOARD
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 4d46e299afb5..792bf0aa779b 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -276,7 +276,17 @@ extern void print_hex_dump(const char *level, const char *prefix_str,
                                 const void *buf, size_t len, bool ascii);
 extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
                         const void *buf, size_t len);
-#define hex_asc(x)      "0123456789abcdef"[x]
+
+extern const char hex_asc[];
+#define hex_asc_lo(x)   hex_asc[((x) & 0x0f)]
+#define hex_asc_hi(x)   hex_asc[((x) & 0xf0) >> 4]
+
+static inline char *pack_hex_byte(char *buf, u8 byte)
+{
+        *buf++ = hex_asc_hi(byte);
+        *buf++ = hex_asc_lo(byte);
+        return buf;
+}
 
 #define pr_emerg(fmt, arg...) \
         printk(KERN_EMERG fmt, ##arg)
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index d746a2abb322..4cdd393e71e1 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -13,8 +13,14 @@
         __attribute__((__section__(".data.percpu")))                    \
         PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name
 
+#ifdef MODULE
+#define SHARED_ALIGNED_SECTION ".data.percpu"
+#else
+#define SHARED_ALIGNED_SECTION ".data.percpu.shared_aligned"
+#endif
+
 #define DEFINE_PER_CPU_SHARED_ALIGNED(type, name)                       \
-        __attribute__((__section__(".data.percpu.shared_aligned")))     \
+        __attribute__((__section__(SHARED_ALIGNED_SECTION)))            \
         PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name             \
         ____cacheline_aligned_in_smp
 #else