powerpc/32: Add EXCEPTION_PROLOG_0 in head_32.h

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This patch creates a macro for the very first part of
exception prolog, this will help when implementing
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/2249fe62f481121a180e9655ad2b998093f318f3.1576916812.git.christophe.leroy@c-s.fr

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Christophe Leroy 2019-12-21 08:32:23 +00:00 • committed by Michael Ellerman

parent 39bccfd164

commit 1f1c4d0122

3 changed files with 9 additions and 13 deletions

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4

arch/powerpc/kernel/head_32.S

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9

arch/powerpc/kernel/head_32.h

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9

arch/powerpc/kernel/head_8xx.S

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