linux-kernel - Re: [v2.6.26] what's brewing in x86.git for v2.6.26

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Date:	Thu, 17 Apr 2008 21:39:18 +0200
From:	"Vegard Nossum" <vegard.nossum@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [v2.6.26] what's brewing in x86.git for v2.6.26

On Thu, Apr 17, 2008 at 9:35 PM, Ingo Molnar <mingo@...e.hu> wrote:
>
>  * Ingo Molnar <mingo@...e.hu> wrote:
>
>
> > > Actually it doesn't. I attach a patch which gets rid of the page flag,
>  > > and we rely instead on the PTE flag for page-trackedness.
>  > [...]
>  > > Ingo, will you take this for some additional testing?
>  >
>  > thanks Vegard, i've applied it - looks good to me too.
>
>  x86.git randconfig testing found a build bug - fix below.
>
>         Ingo
>

Oh, oops. Of course... Thanks, you shouldn't have had to do that :-(

Vegard

>  ------------>
>  Subject: kmemcheck: fix build
>  From: Ingo Molnar <mingo@...e.hu>
>  Date: Thu Apr 17 21:20:43 CEST 2008
>
>  Signed-off-by: Ingo Molnar <mingo@...e.hu>
>  ---
>   include/linux/kmemcheck.h |    3 +++
>   1 file changed, 3 insertions(+)
>
>  Index: linux/include/linux/kmemcheck.h
>  ===================================================================
>  --- linux.orig/include/linux/kmemcheck.h
>  +++ linux/include/linux/kmemcheck.h
>  @@ -1,6 +1,8 @@
>   #ifndef LINUX_KMEMCHECK_H
>   #define LINUX_KMEMCHECK_H
>
>  +#include <linux/types.h>
>  +
>   #ifdef CONFIG_KMEMCHECK
>   extern int kmemcheck_enabled;
>
>  @@ -24,6 +26,7 @@ void kmemcheck_mark_uninitialized_pages(
>   #ifndef CONFIG_KMEMCHECK
>   #define kmemcheck_enabled 0
>   static inline void kmemcheck_init(void) { }
>  +static inline bool kmemcheck_page_is_tracked(struct page *p) { return false; }
>   #endif /* CONFIG_KMEMCHECK */
>
>   #endif /* LINUX_KMEMCHECK_H */
>



-- 
"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
	-- E. W. Dijkstra, EWD1036
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