Merge branch 'master'

5 files changed, 7 insertions, 50 deletions

diff --git a/include/asm-um/futex.h b/include/asm-um/futex.h
index 2cac5ecd9d00..142ee2d8e0fd 100644
--- a/include/asm-um/futex.h
+++ b/include/asm-um/futex.h
@@ -1,53 +1,12 @@
-#ifndef _ASM_FUTEX_H
-#define _ASM_FUTEX_H
-
-#ifdef __KERNEL__
+#ifndef __UM_FUTEX_H
+#define __UM_FUTEX_H
 
 #include <linux/futex.h>
 #include <asm/errno.h>
+#include <asm/system.h>
+#include <asm/processor.h>
 #include <asm/uaccess.h>
 
-static inline int
-futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
-{
-        int op = (encoded_op >> 28) & 7;
-        int cmp = (encoded_op >> 24) & 15;
-        int oparg = (encoded_op << 8) >> 20;
-        int cmparg = (encoded_op << 20) >> 20;
-        int oldval = 0, ret, tem;
-        if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
-                oparg = 1 << oparg;
-
-        if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
-                return -EFAULT;
-
-        inc_preempt_count();
-
-        switch (op) {
-        case FUTEX_OP_SET:
-        case FUTEX_OP_ADD:
-        case FUTEX_OP_OR:
-        case FUTEX_OP_ANDN:
-        case FUTEX_OP_XOR:
-        default:
-                ret = -ENOSYS;
-        }
+#include "asm/arch/futex.h"
 
-        dec_preempt_count();
-
-        if (!ret) {
-                switch (cmp) {
-                case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break;
-                case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break;
-                case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break;
-                case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break;
-                case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break;
-                case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break;
-                default: ret = -ENOSYS;
-                }
-        }
-        return ret;
-}
-
-#endif
 #endif
diff --git a/include/asm-um/pgtable.h b/include/asm-um/pgtable.h
index ed06170e0edd..616d02b57ea9 100644
--- a/include/asm-um/pgtable.h
+++ b/include/asm-um/pgtable.h
@@ -346,7 +346,6 @@ static inline void set_pte(pte_t *pteptr, pte_t pteval)
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
         pte_set_val(pte, (pte_val(pte) & _PAGE_CHG_MASK), newprot);
-        if(pte_present(pte)) pte = pte_mknewpage(pte_mknewprot(pte));
         return pte; 
 }
 
diff --git a/include/asm-um/processor-generic.h b/include/asm-um/processor-generic.h
index b2fc94fbc2d9..2d242360c3d6 100644
--- a/include/asm-um/processor-generic.h
+++ b/include/asm-um/processor-generic.h
@@ -21,6 +21,7 @@ struct thread_struct {
          * copy_thread) to mark that we are begin called from userspace (fork /
          * vfork / clone), and reset to 0 after. It is left to 0 when called
          * from kernelspace (i.e. kernel_thread() or fork_idle(), as of 2.6.11). */
+        struct task_struct *saved_task;
         int forking;
         int nsyscalls;
         struct pt_regs regs;
diff --git a/include/asm-um/system-i386.h b/include/asm-um/system-i386.h
index ea8381de3cc9..c436263e67ba 100644
--- a/include/asm-um/system-i386.h
+++ b/include/asm-um/system-i386.h
@@ -3,6 +3,4 @@
 
 #include "asm/system-generic.h"
     
-#define __HAVE_ARCH_CMPXCHG 1
-
 #endif
diff --git a/include/asm-um/uaccess.h b/include/asm-um/uaccess.h
index 801710d00a40..2ee028b8de9d 100644
--- a/include/asm-um/uaccess.h
+++ b/include/asm-um/uaccess.h
@@ -44,7 +44,7 @@
         const __typeof__(ptr) __private_ptr = ptr; \
         __typeof__(*(__private_ptr)) __private_val; \
         int __private_ret = -EFAULT; \
-        (x) = 0; \
+        (x) = (__typeof__(*(__private_ptr)))0; \
         if (__copy_from_user(&__private_val, (__private_ptr), \
             sizeof(*(__private_ptr))) == 0) {\
                 (x) = (__typeof__(*(__private_ptr))) __private_val; \