Revert "arm: Allow system registers for KVM guests to be changed by QEMU code"
This reverts commit
823e1b3818f9b10b824ddcd756983b6e2fa68730,
which introduces a regression running EDK2 guest firmware
under KVM:
error: kvm run failed Function not implemented
PC=
000000013f5a6208 X00=
00000000404003c4 X01=
000000000000003a
X02=
0000000000000000 X03=
00000000404003c4 X04=
0000000000000000
X05=
0000000096000046 X06=
000000013d2ef270 X07=
000000013e3d1710
X08=
09010755ffaf8ba8 X09=
ffaf8b9cfeeb5468 X10=
feeb546409010756
X11=
09010757ffaf8b90 X12=
feeb50680903068b X13=
090306a1ffaf8bc0
X14=
0000000000000000 X15=
0000000000000000 X16=
000000013f872da0
X17=
00000000ffffa6ab X18=
0000000000000000 X19=
000000013f5a92d0
X20=
000000013f5a7a78 X21=
000000000000003a X22=
000000013f5a7ab2
X23=
000000013f5a92e8 X24=
000000013f631090 X25=
0000000000000010
X26=
0000000000000100 X27=
000000013f89501b X28=
000000013e3d14e0
X29=
000000013e3d12a0 X30=
000000013f5a2518 SP=
000000013b7be0b0
PSTATE=
404003c4 -Z-- EL1t
with
[ 3507.926571] kvm [35042]: load/store instruction decoding not implemented
in the host dmesg.
Revert the change for the moment until we can investigate the
cause of the regression.
Reported-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>