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powerpc/32: add a macro to get and/or save DAR and DSISR on stack.
authorChristophe Leroy <christophe.leroy@c-s.fr>
Sat, 21 Dec 2019 08:32:26 +0000 (08:32 +0000)
committerMichael Ellerman <mpe@ellerman.id.au>
Sun, 26 Jan 2020 11:15:09 +0000 (22:15 +1100)
commitc9c84fd945bbaadbf69d953be308e6f35737fef6
tree8d5cdafe098c7ac3743fcc0673b376aeca765700tree
parent5ae8fabc644632d31babbc7162aa876c79aaadb3commit | diff
powerpc/32: add a macro to get and/or save DAR and DSISR on stack.

Refactor reading and saving of DAR and DSISR in exception vectors.

This will ease the implementation of 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/1286b3e51b07727c6b4b05f2df9af3f9b1717fb5.1576916812.git.christophe.leroy@c-s.fr
arch/powerpc/kernel/head_32.S diff | blob | history
arch/powerpc/kernel/head_32.h diff | blob | history
arch/powerpc/kernel/head_8xx.S diff | blob | history
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