linux-kernel - [PATCH] lkdtm: include cacheflush.h

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Message-ID: <20140214235849.GA30703@www.outflux.net>
Date:	Fri, 14 Feb 2014 15:58:50 -0800
From:	Kees Cook <keescook@...omium.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Fengguang Wu <fengguang.wu@...el.com>,
	Arnd Bergmann <arnd@...db.de>
Subject: [PATCH] lkdtm: include cacheflush.h

Some architectures need cacheflush.h explicitly included (mips) for
use of flush_icache_range():

    config: make ARCH=mips allmodconfig
    All error/warnings:
    >> ERROR: "flush_icache_range" undefined!

Reported-by: Fengguang Wu <fengguang.wu@...el.com>
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 drivers/misc/lkdtm.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c
index 47ed2d321351..2ebd52e05773 100644
--- a/drivers/misc/lkdtm.c
+++ b/drivers/misc/lkdtm.c
@@ -46,6 +46,7 @@
 #include <linux/debugfs.h>
 #include <linux/vmalloc.h>
 #include <linux/mman.h>
+#include <asm/cacheflush.h>
 
 #ifdef CONFIG_IDE
 #include <linux/ide.h>
-- 
1.7.9.5


-- 
Kees Cook
Chrome OS Security
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