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| author | Michael Ellerman <mpe@ellerman.id.au> | 2018-07-19 07:37:57 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-07-19 07:37:57 +0300 |
| commit | ce57c6610cc2d7cde61fc005a2d2090bce46fc73 (patch) | |
| tree | be1230fb1773e3de7fb7f6a0adde68ca0468273e /arch/powerpc/kvm/book3s_hv.c | |
| parent | 9c3250a127901c93b23723dc5859c71a0d068fb8 (diff) | |
| parent | a68bd1267b7286b1687905651b404e765046de25 (diff) | |
| download | linux-ce57c6610cc2d7cde61fc005a2d2090bce46fc73.tar.xz | |
Merge branch 'topic/ppc-kvm' into next
Merge in some commits we're sharing with the KVM tree.
I manually propagated the change from commit d3d4ffaae439
("powerpc/powernv/ioda2: Reduce upper limit for DMA window size") into
pci-ioda-tce.c.
Conflicts:
arch/powerpc/include/asm/cputable.h
arch/powerpc/platforms/powernv/pci-ioda.c
arch/powerpc/platforms/powernv/pci.h
Diffstat (limited to 'arch/powerpc/kvm/book3s_hv.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index de686b340f4a..b568582120a3 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -1693,14 +1693,6 @@ static int kvmppc_set_one_reg_hv(struct kvm_vcpu *vcpu, u64 id, r = set_vpa(vcpu, &vcpu->arch.dtl, addr, len); break; case KVM_REG_PPC_TB_OFFSET: - /* - * POWER9 DD1 has an erratum where writing TBU40 causes - * the timebase to lose ticks. So we don't let the - * timebase offset be changed on P9 DD1. (It is - * initialized to zero.) - */ - if (cpu_has_feature(CPU_FTR_POWER9_DD1)) - break; /* round up to multiple of 2^24 */ vcpu->arch.vcore->tb_offset = ALIGN(set_reg_val(id, *val), 1UL << 24); @@ -2026,8 +2018,6 @@ static struct kvm_vcpu *kvmppc_core_vcpu_create_hv(struct kvm *kvm, /* * Set the default HFSCR for the guest from the host value. * This value is only used on POWER9. - * On POWER9 DD1, TM doesn't work, so we make sure to - * prevent the guest from using it. * On POWER9, we want to virtualize the doorbell facility, so we * turn off the HFSCR bit, which causes those instructions to trap. */ |