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(parent: fcd4b43) | patch
powerpc/40x: Reorder a few instructions in critical exception prolog
authorChristophe Leroy <christophe.leroy@csgroup.eu>
Fri, 12 Mar 2021 12:50:14 +0000 (12:50 +0000)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 29 Mar 2021 02:22:03 +0000 (13:22 +1100)
commit26c468860c32022ffe9caf16691764b77fb8eead
tree99ec5511687b207f04d4c8416dd115ce6d7ab7c5tree | snapshot
parentfcd4b43c36c69aa41e79a511edbb06c7020a6061commit | diff
powerpc/40x: Reorder a few instructions in critical exception prolog

In order to ease preparation for CONFIG_VMAP_STACK, reorder
a few instruction, especially save r1 into stack frame earlier.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/c895ecf958c86d1736bdd2ff6f36626b55f35fd2.1615552866.git.christophe.leroy@csgroup.eu
arch/powerpc/kernel/head_40x.S diff | blob | history
Domain: System / Kernel;