---

yaml --- r: 46835 b: refs/heads/master c: 5771576 h: refs/heads/master i: 46833: 03d85db 46831: 991cd4d v: v3
git-mirror · Feb 7, 2007 · 66b0d9e · 66b0d9e
1 parent 4c4b810
commit 66b0d9e
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b1eeb38e456281c37bbfc270a6ca08605b7e7045
+refs/heads/master: 577157659fb0ace3b88dd75e2c6cb1af84b3040d
diff --git a/trunk/arch/powerpc/platforms/ps3/interrupt.c b/trunk/arch/powerpc/platforms/ps3/interrupt.c
@@ -48,6 +48,9 @@
  * behalf of the guest.  These mappings are implemented as 256 bit guest
  * supplied bitmaps indexed by plug number.  The addresses of the bitmaps
  * are registered with the HV through lv1_configure_irq_state_bitmap().
+ * The HV requires that the 512 bits of status + mask not cross a page
+ * boundary.  PS3_BMP_MINALIGN is used to define this minimal 64 byte
+ * alignment.
  *
  * The HV supports 256 plugs per thread, assigned as {0..255}, for a total
  * of 512 plugs supported on a processor.  To simplify the logic this
@@ -59,6 +62,8 @@
  * can acquire.
  */
 
+#define PS3_BMP_MINALIGN 64
+
 struct ps3_bmp {
 	struct {
 		u64 status;
@@ -78,7 +83,7 @@ struct ps3_bmp {
  */
 
 struct ps3_private {
-	struct ps3_bmp bmp __attribute__ ((aligned (64)));
+	struct ps3_bmp bmp __attribute__ ((aligned (PS3_BMP_MINALIGN)));
 	u64 node;
 	unsigned int cpu;
 };