1 files changed, 7 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 5578248c18a4..08def8deb5f5 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -48,6 +48,7 @@ parameter is applicable:
         EFI     EFI Partitioning (GPT) is enabled
         EIDE    EIDE/ATAPI support is enabled.
         FB      The frame buffer device is enabled.
+        GCOV    GCOV profiling is enabled.
         HW      Appropriate hardware is enabled.
         IA-64   IA-64 architecture is enabled.
         IMA     Integrity measurement architecture is enabled.
@@ -796,6 +797,12 @@ and is between 256 and 4096 characters. It is defined in the file
                         Format: off | on
                         default: on
 
+        gcov_persist=   [GCOV] When non-zero (default), profiling data for
+                        kernel modules is saved and remains accessible via
+                        debugfs, even when the module is unloaded/reloaded.
+                        When zero, profiling data is discarded and associated
+                        debugfs files are removed at module unload time.
+
         gdth=           [HW,SCSI]
                         See header of drivers/scsi/gdth.c.