On Fri, 2020-02-14 at 06:53:00 UTC, Christophe Leroy wrote: > power_save_ppc32_restore() is called during exception entry, before > re-enabling the MMU. It substracts KERNELBASE from the address > of nap_save_msscr0 to access it. > > With CONFIG_VMAP_STACK enabled, data MMU translation has already been > re-enabled, so power_save_ppc32_restore() has to access > nap_save_msscr0 by its virtual address. > > Reported-by: Larry Finger <[email protected]> > Signed-off-by: Christophe Leroy <[email protected]> > Fixes: cd08f109e262 ("powerpc/32s: Enable CONFIG_VMAP_STACK") > Tested-by: Larry Finger <[email protected]>
Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/477f3488a94e35380c82a7498d46f10fa5f3edd2 cheers
