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Date:   Tue, 15 Dec 2020 21:48:59 +1100 (AEDT)
From:   Michael Ellerman <>
To:     Paul Mackerras <>,
        Christophe Leroy <>,
        Benjamin Herrenschmidt <>,, Michael Ellerman <>
Subject: Re: [PATCH v2] powerpc/powermac: Fix low_sleep_handler with CONFIG_VMAP_STACK

On Tue, 8 Dec 2020 05:24:19 +0000 (UTC), Christophe Leroy wrote:
> low_sleep_handler() can't restore the context from standard
> stack because the stack can hardly be accessed with MMU OFF.
> Store everything in a global storage area instead of storing
> a pointer to the stack in that global storage area.
> To avoid a complete churn of the function, still use r1 as
> the pointer to the storage area during restore.

Applied to powerpc/next.

[1/1] powerpc/powermac: Fix low_sleep_handler with CONFIG_VMAP_STACK


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