powerpc/8xx: Use SPRN_SPRG_SCRATCH2 in DTLB miss exception

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Use SPRN_SPRG_SCRATCH2 in DTLB miss exception instead of DAR
in order to be similar to ITLB miss exception.

This also simplifies mpc8xx_pmu_del()

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/e3cc8f023ef40e1e8ae144e4dd1330a5ff022528.1606231483.git.christophe.leroy@csgroup.eu

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Christophe Leroy 2020-11-24 15:24:58 +00:00 • committed by Michael Ellerman

parent a314ea5abf

commit 89eecd938c

2 changed files with 11 additions and 17 deletions

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9

arch/powerpc/kernel/head_8xx.S

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19

arch/powerpc/perf/8xx-pmu.c

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