commit | 63d60d0c6946fd6874a099540e0ac9e26661f8dd | [log] [tgz] |
---|---|---|
author | Nicholas Piggin <npiggin@gmail.com> | Fri Jun 28 15:33:21 2019 +1000 |
committer | Michael Ellerman <mpe@ellerman.id.au> | Tue Jul 02 21:39:48 2019 +1000 |
tree | d96eecbe758ecd71a643174b26e09e0293b0abb8 | |
parent | b0b2a93da4c95ac808c4c43f24a1873ae3166a1a [diff] |
powerpc/64s/exception: avoid SPR RAW scoreboard stall in real mode entry Move SPR reads ahead of writes. Real mode entry that is not a KVM guest is rare these days, but bad practice propagates. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>