Messages in this thread | | | Date | Thu, 16 Feb 2023 03:21:15 +0700 | Subject | Re: [PATCH v2 0/3] KVM: SVM: Fix GATag bug for >256 vCPUs | From | "Suthikulpanit, Suravee" <> |
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On 2/7/2023 7:21 AM, Sean Christopherson wrote: > Fix a bug in KVM's use of the GATag where it unintentionally drops a bit > from vCPU IDs greater than 255 and as a result wakes the wrong vCPU. > > Suravee and/or Alejandro, can you give this proper testing? It's compile > tested only at this point. I'll do basic testing before officially > applying, but AFAIK I don't have access to x2AVIC hardware, nor do I have > a ready-to-go configuration to properly exercise this code. > > Thanks! > > Sean Christopherson (2): > KVM: SVM: Fix a benign off-by-one bug in AVIC physical table mask > KVM: SVM: WARN if GATag generation drops VM or vCPU ID information > > Suravee Suthikulpanit (1): > KVM: SVM: Modify AVIC GATag to support max number of 512 vCPUs > > arch/x86/include/asm/svm.h | 12 +++++++----- > arch/x86/kvm/svm/avic.c | 37 ++++++++++++++++++++++++++++--------- > 2 files changed, 35 insertions(+), 14 deletions(-) > > > base-commit: 32e69f232db4ca11f26e5961daeff93906ce232f
For the series:
Tested-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Thanks, Suravee
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