[POWERPC] spufs: Add tid file
The new tid file contains the ID of the thread currently running the
context, if any. This is used so that the new spu-top and spu-ps
tools can find the thread in /proc.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index dab8858..8ff16b4 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -77,6 +77,9 @@
struct list_head gang_list;
struct spu_gang *gang;
+ /* owner thread */
+ pid_t tid;
+
/* scheduler fields */
struct list_head rq;
unsigned int time_slice;