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SubjectRe: [PATCH 1/5] powerpc/ptdump: fix addresses display on PPC32
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Michael,

Le 14/08/2019 à 14:36, Christophe Leroy a écrit :
> Commit 453d87f6a8ae ("powerpc/mm: Warn if W+X pages found on boot")
> wrongly changed KERN_VIRT_START from 0 to PAGE_OFFSET, leading to a
> shift in the displayed addresses.
>
> Lets revert that change to resync walk_pagetables()'s addr val and
> pgd_t pointer for PPC32.
>
> Fixes: 453d87f6a8ae ("powerpc/mm: Warn if W+X pages found on boot")

Either this patch or patch 2 of the series has to go into fixes.

If you prefer next patch for fixes, then this one can be squashed into
patch 3 which drops the PPC32 hacked definition of KERN_VIRT_START

Christophe

> Cc: stable@vger.kernel.org
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
> ---
> arch/powerpc/mm/ptdump/ptdump.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/mm/ptdump/ptdump.c b/arch/powerpc/mm/ptdump/ptdump.c
> index 6a88a9f585d4..3ad64fc11419 100644
> --- a/arch/powerpc/mm/ptdump/ptdump.c
> +++ b/arch/powerpc/mm/ptdump/ptdump.c
> @@ -27,7 +27,7 @@
> #include "ptdump.h"
>
> #ifdef CONFIG_PPC32
> -#define KERN_VIRT_START PAGE_OFFSET
> +#define KERN_VIRT_START 0
> #endif
>
> /*
>

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