Re: [PATCH] kasan: add missing Kconfig dependencies
From: Arnd Bergmann
Date: Mon Dec 10 2018 - 16:26:37 EST
On Mon, Dec 10, 2018 at 10:15 PM Andrey Konovalov <andreyknvl@xxxxxxxxxx> wrote:
> On Mon, Dec 10, 2018 at 9:59 PM Arnd Bergmann <arnd@xxxxxxxx> wrote:
> > Building with CONFIG_KASAN=y when neither KASAN_GENERIC nor KASAN_SW_TAGS
> > can be selected leads to a build error:
> > arch/arm64/mm/kasan_init.c: In function 'kasan_pte_populate':
> > arch/arm64/mm/kasan_init.c:106:28: error: 'KASAN_SHADOW_INIT' undeclared (first use in this function); did you mean 'KASAN_SHADOW_END'?
> > We should really only allow enabling KASAN when all its dependencies
> > are met as it was before the introduction of CONFIG_KASAN_SW_TAGS.
> > Fixes: b8440cc16515 ("kasan: add CONFIG_KASAN_GENERIC and CONFIG_KASAN_SW_TAGS")
> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Hi Arnd,
> Is this a patch against linux-next? The issue has been addressed by
> v13 of the patchset, which is now in the mm tree and should end up in
> the linux-next soon AFAIU.
Yes, I tested on today's linux-next. I'll drop the patch tomorrow then from
my test tree.