* value of the spu_status register after the SPU has stopped.
*
*/
-long do_spu_run(struct file *filp, __u32 __user *unpc, __u32 __user *ustatus)
+static long do_spu_run(struct file *filp,
+ __u32 __user *unpc,
+ __u32 __user *ustatus)
{
long ret;
struct spufs_inode_info *i;
u32 npc, status;
ret = -EFAULT;
- if (get_user(npc, unpc) || get_user(status, ustatus))
+ if (get_user(npc, unpc))
goto out;
/* check if this file was created by spu_create */
if (filp->f_op != &spufs_context_fops)
goto out;
- i = SPUFS_I(filp->f_dentry->d_inode);
- ret = spufs_run_spu(filp, i->i_ctx, &npc, &status);
+ i = SPUFS_I(filp->f_path.dentry->d_inode);
+ ret = spufs_run_spu(i->i_ctx, &npc, &status);
- if (put_user(npc, unpc) || put_user(status, ustatus))
+ if (put_user(npc, unpc))
+ ret = -EFAULT;
+
+ if (ustatus && put_user(status, ustatus))
ret = -EFAULT;
out:
return ret;
}
#endif
-asmlinkage long sys_spu_create(const char __user *pathname,
- unsigned int flags, mode_t mode)
+static asmlinkage long do_spu_create(const char __user *pathname,
+ unsigned int flags, mode_t mode, struct file *neighbor)
{
char *tmp;
int ret;
ret = path_lookup(tmp, LOOKUP_PARENT|
LOOKUP_OPEN|LOOKUP_CREATE, &nd);
if (!ret) {
- ret = spufs_create_thread(&nd, flags, mode);
+ ret = spufs_create(&nd, flags, mode, neighbor);
path_release(&nd);
}
putname(tmp);
return ret;
}
+#ifndef MODULE
+asmlinkage long sys_spu_create(const char __user *pathname, unsigned int flags,
+ mode_t mode, int neighbor_fd)
+{
+ int fput_needed;
+ struct file *neighbor;
+ long ret;
+
+ if (flags & SPU_CREATE_AFFINITY_SPU) {
+ ret = -EBADF;
+ neighbor = fget_light(neighbor_fd, &fput_needed);
+ if (neighbor) {
+ ret = do_spu_create(pathname, flags, mode, neighbor);
+ fput_light(neighbor, fput_needed);
+ }
+ }
+ else {
+ ret = do_spu_create(pathname, flags, mode, NULL);
+ }
+
+ return ret;
+}
+#endif
+
struct spufs_calls spufs_calls = {
- .create_thread = sys_spu_create,
+ .create_thread = do_spu_create,
.spu_run = do_spu_run,
.owner = THIS_MODULE,
};