KVM: x86: Correct use of kvm_rip_read()

[PATCH 0/2] KVM: x86: Correct use of kvm_rip_read()

Adrian Hunter posted 2 patches 8 months, 1 week ago

Download series mbox

arch/x86/kvm/trace.h | 13 ++++++++++---
arch/x86/kvm/x86.c   |  3 ++-
2 files changed, 12 insertions(+), 4 deletions(-)

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[PATCH 0/2] KVM: x86: Correct use of kvm_rip_read()

Posted by Adrian Hunter 8 months, 1 week ago

Hi

Here are a couple of tweaks to dodge kvm_rip_read() in tracepoints and
KVM_PROFILING when guest_state_protected.

This avoids, for example, hitting WARN_ON_ONCE in vt_cache_reg() for
TDX VMs.


Adrian Hunter (2):
      KVM: x86: Do not use kvm_rip_read() unconditionally in KVM tracepoints
      KVM: x86: Do not use kvm_rip_read() unconditionally for KVM_PROFILING

 arch/x86/kvm/trace.h | 13 ++++++++++---
 arch/x86/kvm/x86.c   |  3 ++-
 2 files changed, 12 insertions(+), 4 deletions(-)


Regards
Adrian

Re: [PATCH 0/2] KVM: x86: Correct use of kvm_rip_read()

Posted by Paolo Bonzini 8 months, 1 week ago

Queued, thanks.

Paolo

[PATCH 1/2] KVM: x86: Do not use kvm_rip_read() unconditionally in KVM tracepoints
[PATCH 2/2] KVM: x86: Do not use kvm_rip_read() unconditionally for KVM_PROFILING