linux-kernel - Re: [PATCH v2] powerpc/32s: Disable VMAP stack which CONFIG_ADB

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Message-Id: <159878757051.255624.17808533477852714140.b4-ty@ellerman.id.au>
Date:   Sun, 30 Aug 2020 21:39:48 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>, giuseppe@...azz.it,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] powerpc/32s: Disable VMAP stack which CONFIG_ADB_PMU

On Thu, 27 Aug 2020 18:30:27 +0000 (UTC), Christophe Leroy wrote:
> low_sleep_handler() can't restore the context from virtual
> stack because the stack can hardly be accessed with MMU OFF.
> 
> For now, disable VMAP stack when CONFIG_ADB_PMU is selected.

Applied to powerpc/fixes.

[1/1] powerpc/32s: Disable VMAP stack which CONFIG_ADB_PMU
      https://git.kernel.org/powerpc/c/4a133eb351ccc275683ad49305d0b04dde903733

cheers