From 394ee169ea6eb4dd5c8fa778d1c2769e26e52f01 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sat, 3 Apr 2021 14:04:23 +0200
Subject: Enabled SMAP/SMEP protections

---
 kernel/drivers/fb.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'kernel/drivers/fb.c')

diff --git a/kernel/drivers/fb.c b/kernel/drivers/fb.c
index 577debf..3e333e8 100644
--- a/kernel/drivers/fb.c
+++ b/kernel/drivers/fb.c
@@ -1,6 +1,7 @@
 // MIT License, Copyright (c) 2021 Marvin Borner
 
 #include <assert.h>
+#include <cpu.h>
 #include <def.h>
 #include <errno.h>
 #include <fb.h>
@@ -44,7 +45,9 @@ static res fb_ioctl(u32 request, void *arg1, void *arg2, void *arg3, struct devi
 		else
 			fb_owner = proc_current()->pid;
 
+		stac();
 		memcpy(arg1, info->vbe, sizeof(struct vbe_basic));
+		clac();
 		fb_map_buffer(proc_current()->page_dir, info);
 		return EOK;
 	}
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