1 files changed, 20 insertions, 0 deletions

diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index 54398af2371f..e7b04928caec 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -36,8 +36,20 @@
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
+/*
+ * Horribly complicated - with the bloody RM9000 workarounds enabled
+ * the signal trampolines is moving to the end of the structure so we can
+ * increase the alignment without breaking software compatibility.
+ */
 #if ICACHE_REFILLS_WORKAROUND_WAR == 0
 
+struct sigframe {
+        u32 sf_ass[4];          /* argument save space for o32 */
+        u32 sf_code[2];         /* signal trampoline */
+        struct sigcontext sf_sc;
+        sigset_t sf_mask;
+};
+
 struct rt_sigframe {
         u32 rs_ass[4];          /* argument save space for o32 */
         u32 rs_code[2];         /* signal trampoline */
@@ -47,6 +59,14 @@ struct rt_sigframe {
 
 #else
 
+struct sigframe {
+        u32 sf_ass[4];                  /* argument save space for o32 */
+        u32 sf_pad[2];
+        struct sigcontext sf_sc;        /* hw context */
+        sigset_t sf_mask;
+        u32 sf_code[8] ____cacheline_aligned;   /* signal trampoline */
+};
+
 struct rt_sigframe {
         u32 rs_ass[4];                  /* argument save space for o32 */
         u32 rs_pad[2];