1 files changed, 6 insertions, 1 deletions

diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S
index 206dc7e1fe3..f5821626247 100644
--- a/arch/tile/kernel/intvec_32.S
+++ b/arch/tile/kernel/intvec_32.S
@@ -1472,7 +1472,12 @@ handle_ill:
         lw      r26, r24
         sw      r28, r26
 
-        /* Clear TIF_SINGLESTEP */
+        /*
+         * Clear TIF_SINGLESTEP to prevent recursion if we execute an ill.
+         * The normal non-arch flow redundantly clears TIF_SINGLESTEP, but we
+         * need to clear it here and can't really impose on all other arches.
+         * So what's another write between friends?
+         */
         GET_THREAD_INFO(r0)
 
         addi    r1, r0, THREAD_INFO_FLAGS_OFFSET