Re: [PATCH v5 1/2] x86_64: remove not needed clear_page for init_level4_page

From: Borislav Petkov
Date: Tue Jun 16 2015 - 07:35:08 EST


On Tue, Jun 16, 2015 at 01:16:32PM +0200, Borislav Petkov wrote:
> Now my hunch is that those entries get overwritten later but I wouldn't
> want to debug any strange bugs from leftovers in init_level4_pgt so
> having the clear_page() is actually a good thing.

So I guess we can do that:

#ifndef CONFIG_KASAN
clear_page(init_level4_pgt);
#endif

Hmm...

--
Regards/Gruss,
Boris.

ECO tip #101: Trim your mails when you reply.
--
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/