Merge branch 'for-2.6.26' of master.kernel.org:/pub/scm/linux/kernel/git/jwboyer...

[linux-2.6] / arch / parisc / kernel / sys_parisc.c

diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index d15a1d53e101eed9713644f0ee4e9e7ae2f37d59..71b31957c8f13805c5a8da1c93c6061bf562f2a7 100644 (file)
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -29,21 +29,9 @@
 #include <linux/mm.h>
 #include <linux/mman.h>
 #include <linux/shm.h>
-#include <linux/smp_lock.h>
 #include <linux/syscalls.h>
-
-int sys_pipe(int __user *fildes)
-{
-       int fd[2];
-       int error;
-
-       error = do_pipe(fd);
-       if (!error) {
-               if (copy_to_user(fildes, fd, 2*sizeof(int)))
-                       error = -EFAULT;
-       }
-       return error;
-}
+#include <linux/utsname.h>
+#include <linux/personality.h>
 
 static unsigned long get_unshared_area(unsigned long addr, unsigned long len)
 {
@@ -104,6 +92,11 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
 {
        if (len > TASK_SIZE)
                return -ENOMEM;
+       /* Might want to check for cache aliasing issues for MAP_FIXED case
+        * like ARM or MIPS ??? --BenH.
+        */
+       if (flags & MAP_FIXED)
+               return addr;
        if (!addr)
                addr = TASK_UNMAPPED_BASE;
 
@@ -231,6 +224,14 @@ asmlinkage long parisc_fadvise64_64(int fd,
                        (loff_t)high_len << 32 | low_len, advice);
 }
 
+asmlinkage long parisc_sync_file_range(int fd,
+                       u32 hi_off, u32 lo_off, u32 hi_nbytes, u32 lo_nbytes,
+                       unsigned int flags)
+{
+       return sys_sync_file_range(fd, (loff_t)hi_off << 32 | lo_off,
+                       (loff_t)hi_nbytes << 32 | lo_nbytes, flags);
+}
+
 asmlinkage unsigned long sys_alloc_hugepages(int key, unsigned long addr, unsigned long len, int prot, int flag)
 {
        return -ENOMEM;
@@ -240,3 +241,33 @@ asmlinkage int sys_free_hugepages(unsigned long addr)
 {
        return -EINVAL;
 }
+
+long parisc_personality(unsigned long personality)
+{
+       long err;
+
+       if (personality(current->personality) == PER_LINUX32
+           && personality == PER_LINUX)
+               personality = PER_LINUX32;
+
+       err = sys_personality(personality);
+       if (err == PER_LINUX32)
+               err = PER_LINUX;
+
+       return err;
+}
+
+long parisc_newuname(struct new_utsname __user *name)
+{
+       int err = sys_newuname(name);
+
+#ifdef CONFIG_COMPAT
+       if (!err && personality(current->personality) == PER_LINUX32) {
+               if (__put_user(0, name->machine + 6) ||
+                   __put_user(0, name->machine + 7))
+                       err = -EFAULT;
+       }
+#endif
+
+       return err;
+}