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author | Nicholas Piggin <npiggin@gmail.com> | 2019-06-28 15:33:21 +1000 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-07-02 21:39:48 +1000 |
commit | 63d60d0c6946fd6874a099540e0ac9e26661f8dd (patch) | |
tree | d96eecbe758ecd71a643174b26e09e0293b0abb8 /lib | |
parent | b0b2a93da4c95ac808c4c43f24a1873ae3166a1a (diff) | |
download | linux-stable-63d60d0c6946fd6874a099540e0ac9e26661f8dd.tar.gz linux-stable-63d60d0c6946fd6874a099540e0ac9e26661f8dd.tar.bz2 linux-stable-63d60d0c6946fd6874a099540e0ac9e26661f8dd.zip |
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>
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions