From 4a327fcef90ba27150a3e8741441b68c605ae248 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Sat, 26 Mar 2016 05:33:09 -0300
Subject: Add TuxOnIce support adapted for the 4.5-gnu kernel version

---
 kernel/printk/printk.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'kernel/printk')

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index af4e6968c..464c10ac4 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -33,6 +33,7 @@
 #include <linux/bootmem.h>
 #include <linux/memblock.h>
 #include <linux/syscalls.h>
+#include <linux/suspend.h>
 #include <linux/kexec.h>
 #include <linux/kdb.h>
 #include <linux/ratelimit.h>
@@ -284,6 +285,20 @@ static char __log_buf[__LOG_BUF_LEN] __aligned(LOG_ALIGN);
 static char *log_buf = __log_buf;
 static u32 log_buf_len = __LOG_BUF_LEN;
 
+#ifdef CONFIG_TOI_INCREMENTAL
+void toi_set_logbuf_untracked(void)
+{
+    int i;
+    struct page *log_buf_start_page = virt_to_page(__log_buf);
+
+    printk("Not protecting kernel printk log buffer (%p-%p).\n",
+            __log_buf, __log_buf + __LOG_BUF_LEN);
+
+    for (i = 0; i < (1 << (CONFIG_LOG_BUF_SHIFT - PAGE_SHIFT)); i++)
+        SetPageTOI_Untracked(log_buf_start_page + i);
+}
+#endif
+
 /* Return log buffer address */
 char *log_buf_addr_get(void)
 {
-- 
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