linux-kernel - Re: [PATCH] powerpc/kasan: Fix CONFIG_KASAN

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Date:   Thu, 17 Sep 2020 21:27:18 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/kasan: Fix CONFIG_KASAN_VMALLOC for 8xx

On Fri, 11 Sep 2020 05:05:38 +0000 (UTC), Christophe Leroy wrote:
> Before the commit identified below, pages tables allocation was
> performed after the allocation of final shadow area for linear memory.
> But that commit switched the order, leading to page tables being
> already allocated at the time 8xx kasan_init_shadow_8M() is called.
> Due to this, kasan_init_shadow_8M() doesn't map the needed
> shadow entries because there are already page tables.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/kasan: Fix CONFIG_KASAN_VMALLOC for 8xx
      https://git.kernel.org/powerpc/c/4c42dc5c69a8f24c467a6c997909d2f1d4efdc7f

cheers