Re: [PATCH] powerpc/32: Add missing context synchronisation with CONFIG_VMAP_STACK

From: Michael Ellerman
Date: Sat Jan 25 2020 - 05:30:25 EST


Christophe Leroy <christophe.leroy@xxxxxx> writes:
> After reactivation of data translation by modifying MSR[DR], a isync
> is required to ensure the translation is effective.
>
> Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
> ---
> Rebased on powerpc/merge-test
>
> @mpe: If not too late:
> - change to head_32.h should be squashed into "powerpc/32: prepare for CONFIG_VMAP_STACK"
> - change to head_32.S should be squashed into "powerpc/32s: Enable CONFIG_VMAP_STACK"

Done. Thanks.

cheers