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(parent: af6f2ce) | patch
powerpc/32: Save trap number on stack in exception prolog
authorChristophe Leroy <christophe.leroy@csgroup.eu>
Fri, 12 Mar 2021 12:50:38 +0000 (12:50 +0000)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 29 Mar 2021 02:22:08 +0000 (13:22 +1100)
commit719e7e212c7e637a795f130dbdd5db6c291e463f
treefb1aec6ca4bfe5d6e3481f30f749f20e67f30199tree | snapshot
parentaf6f2ce84b2f666762f75f085a7e5d6514743a84commit | diff
powerpc/32: Save trap number on stack in exception prolog

Saving the trap number into the stack goes into
the exception prolog, as EXC_XFER_xxx will soon disappear.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/2ac7a0c9cde2ec2b23cd79e3a54cfedd816a91ae.1615552867.git.christophe.leroy@csgroup.eu
arch/powerpc/kernel/head_32.h diff | blob | history
arch/powerpc/kernel/head_40x.S diff | blob | history
arch/powerpc/kernel/head_8xx.S diff | blob | history
arch/powerpc/kernel/head_book3s_32.S diff | blob | history
arch/powerpc/kernel/head_booke.h diff | blob | history
arch/powerpc/kernel/head_fsl_booke.S diff | blob | history
Domain: System / Kernel;