1 files changed, 12 insertions, 0 deletions

diff --git a/fs/pipe.c b/fs/pipe.c
index 37ba29ff3158..a9dcf21a8871 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -434,8 +434,14 @@ redo:
                 wake_up_interruptible_sync(&pipe->wait);
                 kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT);
         }
+        /*
+         * Hack: we turn off atime updates for -RT kernels.
+         * Who uses them on pipes anyway?
+         */
+#ifndef CONFIG_PREEMPT_RT
         if (ret > 0)
                 file_accessed(filp);
+#endif
         return ret;
 }
 
@@ -607,8 +613,14 @@ out:
                 wake_up_interruptible_sync(&pipe->wait);
                 kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
         }
+        /*
+         * Hack: we turn off atime updates for -RT kernels.
+         * Who uses them on pipes anyway?
+         */
+#ifndef CONFIG_PREEMPT_RT
         if (ret > 0)
                 file_update_time(filp);
+#endif
         return ret;
 }