Re: [PATCHv5 09/11] mm/kasan: Switch to using __pa_symbol and lm_alias

From: Mark Rutland
Date: Tue Dec 13 2016 - 07:32:39 EST


On Tue, Dec 06, 2016 at 03:50:55PM -0800, Laura Abbott wrote:
>
> __pa_symbol is the correct API to find the physical address of symbols.
> Switch to it to allow for debugging APIs to work correctly. Other
> functions such as p*d_populate may call __pa internally. Ensure that the
> address passed is in the linear region by calling lm_alias.
>
> Reviewed-by: Mark Rutland <mark.rutland@xxxxxxx>
> Tested-by: Mark Rutland <mark.rutland@xxxxxxx>
> Signed-off-by: Laura Abbott <labbott@xxxxxxxxxx>
> ---
> v5: Add missing lm_alias call
> ---
> mm/kasan/kasan_init.c | 15 ++++++++-------
> 1 file changed, 8 insertions(+), 7 deletions(-)
>
> diff --git a/mm/kasan/kasan_init.c b/mm/kasan/kasan_init.c
> index 3f9a41c..922f459 100644
> --- a/mm/kasan/kasan_init.c
> +++ b/mm/kasan/kasan_init.c
> @@ -16,6 +16,7 @@
> #include <linux/kernel.h>
> #include <linux/memblock.h>
> #include <linux/pfn.h>
> +#include <linux/mm.h>

Nit: include ordering.

Regardless, my tags above still stand!

Thanks,
Mark.