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(parent: e816187) | patch
KVM: x86: Add MSR_AMD64_DC_CFG to the list of ignored MSRs
authorLadi Prosek <lprosek@redhat.com>
Thu, 6 Apr 2017 13:22:20 +0000 (15:22 +0200)
committerRadim Krčmář <rkrcmar@redhat.com>
Wed, 12 Apr 2017 19:09:24 +0000 (21:09 +0200)
commit942f7f62f94a8a431a846fef03a165f8f1b3e329
tree9eeb49f6102545d202c290c9364861bc140833e9tree | snapshot
parente816187765faea63f78e076b4903350527b7b6b1commit | diff
KVM: x86: Add MSR_AMD64_DC_CFG to the list of ignored MSRs

Hyper-V writes 0x800000000000 to MSR_AMD64_DC_CFG when running on AMD CPUs
as recommended in erratum 383, analogous to our svm_init_erratum_383.

By ignoring the MSR, this patch enables running Hyper-V in L1 on AMD.

Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
arch/x86/kvm/x86.c diff | blob | history
Linux Kernel Source Tree.