lkdtm: Avoid objtool/ibt warning

[linux-2.6-microblaze.git] / drivers / misc / lkdtm / bugs.c

diff --git a/drivers/misc/lkdtm/bugs.c b/drivers/misc/lkdtm/bugs.c
index 48821f4..92110cb 100644 (file)
--- 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)