On Thu, Feb 27, 2025, Ravi Bangoria wrote: > > Somewhat related but independent: CPU automatically clears DEBUGCTL[BTF] > > on #DB exception. So, when DEBUGCTL is save/restored by KVM (i.e. when > > LBR virtualization is disabled), it's KVM's responsibility to clear > > DEBUGCTL[BTF]. > > Found this with below KUT test. > > (I wasn't sure whether I should send a separate series for kernel fix + KUT > patch, or you can squash kernel fix in your patch and I shall send only KUT > patch. So for now, sending it as a reply here.) Go ahead and send the KUT test. They two repositories evolve independently no matter the order, just put a Link to lore of the kernel fix/discussion. Thanks a ton for writing a test!
