On Thu, Sep 28, 2023, Maxim Levitsky wrote: > In later revisions of AMD's APM, there is a new 'incomplete IPI' exit code: > > "Invalid IPI Vector - The vector for the specified IPI was set to an > illegal value (VEC < 16)" > > Note that tests on Zen2 machine show that this VM exit doesn't happen and > instead AVIC just does nothing. > > Add support for this exit code by doing nothing, instead of filling > the kernel log with errors. > > Also replace an unthrottled 'pr_err()' if another unknown incomplete > IPI exit happens with vcpu_unimpl() > > (e.g in case AMD adds yet another 'Invalid IPI' exit reason) > > Cc: <stable@xxxxxxxxxxxxxxx> > Signed-off-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx> > --- Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>
