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KVM: PPC: Book3S HV: Return error from h_set_mode(SET_DAWR) on POWER9
authorMichael Neuling <mikey@neuling.org>
Tue, 27 Mar 2018 04:37:20 +0000 (15:37 +1100)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 27 Mar 2018 12:55:32 +0000 (23:55 +1100)
commitd12b873f08d375b5f20de7d14049f564703bd205
treec2dfe736851d233d73410cb939c8dc4f5998528ftree | snapshot
parent039b264efa3f22141c1bce624a5b1ca8a9b45455commit | diff
KVM: PPC: Book3S HV: Return error from h_set_mode(SET_DAWR) on POWER9

Return H_P2 on a h_set_mode(SET_DAWR) on POWER9 where the DAWR is
disabled.

Current Linux guests ignore this error, so they will silently not get
the DAWR (sigh). The same error code is being used by POWERVM in this
case.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/kvm/book3s_hv.c diff | blob | history
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