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(parent: 0f2793e) | patch
powerpc/32: Always save non volatile registers on exception entry
authorChristophe Leroy <christophe.leroy@csgroup.eu>
Fri, 12 Mar 2021 12:50:33 +0000 (12:50 +0000)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 29 Mar 2021 02:22:07 +0000 (13:22 +1100)
commite9f99704aafcdbd90ba20b81db2dae8526d8b8e5
tree1a93d1205ff925485eed1d337c7e88a30d67093btree
parent0f2793e33db2e2f062968f2ca789b6826972b05bcommit | diff
powerpc/32: Always save non volatile registers on exception entry

In preparation of handling exception entry and exit in C,
in order to simplify the handling, always save non volatile registers
when entering an exception.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/3ce8ced87a4f1467fa36fcc50763d53b45e466c1.1615552867.git.christophe.leroy@csgroup.eu
arch/powerpc/include/asm/ptrace.h diff | blob | blame | history
arch/powerpc/kernel/entry_32.S diff | blob | blame | history
arch/powerpc/kernel/head_32.h diff | blob | blame | history
arch/powerpc/kernel/head_booke.h diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)