arch/x86/include/asm/svm.h | 12 +++++++----- arch/x86/kvm/svm/avic.c | 37 ++++++++++++++++++++++++++++--------- 2 files changed, 35 insertions(+), 14 deletions(-)
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 -- 2.39.1.519.gcb327c4b5f-goog
Queued, thanks. Paolo
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
On Thu, Feb 16, 2023, Suthikulpanit, Suravee wrote: > > > 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 much! Paolo, do you want to grab this directly, or should I throw this in next for a few days and send a separate pull request? Or do something else entirely?
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