summaryrefslogtreecommitdiff
path: root/drivers/misc/lkdtm/bugs.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/misc/lkdtm/bugs.c')
-rw-r--r--drivers/misc/lkdtm/bugs.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/misc/lkdtm/bugs.c b/drivers/misc/lkdtm/bugs.c
index 48821f4c2b21..92110cb6a0eb 100644
--- a/drivers/misc/lkdtm/bugs.c
+++ b/drivers/misc/lkdtm/bugs.c
@@ -487,6 +487,7 @@ static void lkdtm_UNSET_SMEP(void)
* the cr4 writing instruction.
*/
insn = (unsigned char *)native_write_cr4;
+ OPTIMIZER_HIDE_VAR(insn);
for (i = 0; i < MOV_CR4_DEPTH; i++) {
/* mov %rdi, %cr4 */
if (insn[i] == 0x0f && insn[i+1] == 0x22 && insn[i+2] == 0xe7)