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authorChristophe Leroy <christophe.leroy@csgroup.eu>2020-11-24 15:24:57 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2020-12-09 23:48:12 +1100
commita314ea5abf6dbaf35f14c9bd1d93105260fb9336 (patch)
tree923c8dce3f3deb28a56f4f7627ef34e5de51b4db /arch/powerpc/platforms/powernv/opal-kmsg.c
parent576e02bbf1062b9118d5bbb96a40ed3b6b359f22 (diff)
powerpc/8xx: Use SPRN_SPRG_SCRATCH2 in ITLB miss exception
In order to re-enable MMU earlier, ensure ITLB miss exception cannot clobber SPRN_SPRG_SCRATCH0 and SPRN_SPRG_SCRATCH1. Do so by using SPRN_SPRG_SCRATCH2 and SPRN_M_TW instead, like the DTLB miss 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/abc78e8e9577d473691ebb9996c6413b37bfd9ca.1606231483.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/platforms/powernv/opal-kmsg.c')
0 files changed, 0 insertions, 0 deletions