habanalabs: set memory scrubbing to disabled by default

Scrubbing memory after every unmap is very costly in terms of
performance. If a user wants it he can enable it but the default
should prioritize performance.

Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

diff --git a/drivers/misc/habanalabs/common/habanalabs_drv.c b/drivers/misc/habanalabs/common/habanalabs_drv.c
index df1e91f..339a186 100644 (file)
--- a/drivers/misc/habanalabs/common/habanalabs_drv.c
+++ b/drivers/misc/habanalabs/common/habanalabs_drv.c
@@ -29,7 +29,7 @@ static DEFINE_MUTEX(hl_devs_idr_lock);
 
 static int timeout_locked = 30;
 static int reset_on_lockup = 1;
-static int memory_scrub = 1;
+static int memory_scrub;
 static ulong boot_error_status_mask = ULONG_MAX;
 
 module_param(timeout_locked, int, 0444);
@@ -42,7 +42,7 @@ MODULE_PARM_DESC(reset_on_lockup,
 
 module_param(memory_scrub, int, 0444);
 MODULE_PARM_DESC(memory_scrub,
-       "Scrub device memory in various states (0 = no, 1 = yes, default yes)");
+       "Scrub device memory in various states (0 = no, 1 = yes, default no)");
 
 module_param(boot_error_status_mask, ulong, 0444);
 MODULE_PARM_DESC(boot_error_status_mask,