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SubjectRe: [PATCH] lkdtm: include cacheflush.h
On Fri, Feb 14, 2014 at 6:58 PM, Kees Cook <keescook@chromium.org> wrote:
> 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!

The linux-next builds still fail with a similar error:

http://kisskb.ellerman.id.au/kisskb/buildresult/10808358/

I'm not sure if it ever was a compile error, or if it was always
a missing export symbol type error as it is apparently now.

Paul.
--

>
> Reported-by: Fengguang Wu <fengguang.wu@intel.com>
> Signed-off-by: Kees Cook <keescook@chromium.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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