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Date:	Fri, 21 Mar 2014 13:33:24 -0600
From:	Kees Cook <keescook@...omium.org>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Fengguang Wu <fengguang.wu@...el.com>,
	Arnd Bergmann <arnd@...db.de>,
	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>
Subject: Re: [PATCH] lkdtm: include cacheflush.h

On Fri, Mar 21, 2014 at 12:31 PM, Paul Gortmaker
<paul.gortmaker@...driver.com> wrote:
> On Fri, Feb 14, 2014 at 6:58 PM, Kees Cook <keescook@...omium.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.

It seems no one picked up this fix? Greg, you normally take my lkdtm work...

-Kees

>
> Paul.
> --
>
>>
>> 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
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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-- 
Kees Cook
Chrome OS Security
--
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