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powerpc/chrp: Fix enter_rtas() with CONFIG_VMAP_STACK
authorChristophe Leroy <christophe.leroy@c-s.fr>
Fri, 14 Feb 2020 08:39:50 +0000 (08:39 +0000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 18 Feb 2020 10:31:11 +0000 (21:31 +1100)
commit5a528eb67908bcf493f3583cb4726fbd8e129605
tree7a6f8620b2732703ea550c57a0c4ea64d1e43e2e
parent232ca1eecafed8c54491017f0612c33d8c742d74
powerpc/chrp: Fix enter_rtas() with CONFIG_VMAP_STACK

With CONFIG_VMAP_STACK, data MMU has to be enabled
to read data on the stack.

Fixes: cd08f109e262 ("powerpc/32s: Enable CONFIG_VMAP_STACK")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/d2330584f8c42d3039896e2b56f5d39676dc919c.1581669558.git.christophe.leroy@c-s.fr
arch/powerpc/kernel/entry_32.S