From 2e2602ca5df09e4c4e2b593bc30abead9a8617d4 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Wed, 7 Jul 2010 14:09:39 +0300 Subject: [PATCH] KVM: Document MCE banks non-exposure via KVM_GET_MSR_INDEX_LIST Signed-off-by: Avi Kivity Signed-off-by: Marcelo Tosatti --- Documentation/kvm/api.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt index d9b00f15fbe6..179cc51c15e6 100644 --- a/Documentation/kvm/api.txt +++ b/Documentation/kvm/api.txt @@ -126,6 +126,10 @@ user fills in the size of the indices array in nmsrs, and in return kvm adjusts nmsrs to reflect the actual number of msrs and fills in the indices array with their numbers. +Note: if kvm indicates supports MCE (KVM_CAP_MCE), then the MCE bank MSRs are +not returned in the MSR list, as different vcpus can have a different number +of banks, as set via the KVM_X86_SETUP_MCE ioctl. + 4.4 KVM_CHECK_EXTENSION Capability: basic -- 2.39.5