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(parent: 466e6db) | patch
powerpc/64s: guard optional TIDR SPR with CPU ftr test
authorNicholas Piggin <npiggin@gmail.com>
Tue, 23 Nov 2021 09:51:40 +0000 (19:51 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 24 Nov 2021 10:08:56 +0000 (21:08 +1100)
commitf8c828408cab7a6ad9f9d44769b2f6410a62e195
treeed286c2958ab1326ffd7a13bacc82a27890a3db3tree | snapshot
parent466e6db01787bda141d82ffe212888dbd5c741bfcommit | diff
powerpc/64s: guard optional TIDR SPR with CPU ftr test

The TIDR SPR only exists on POWER9. Avoid accessing it when the
feature bit for it is not set.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211123095231.1036501-3-npiggin@gmail.com
arch/powerpc/kvm/book3s_hv.c diff | blob | history
arch/powerpc/xmon/xmon.c diff | blob | history
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