On Wed, Apr 09, 2025, Borislav Petkov wrote: > On Wed, Apr 09, 2025 at 11:30:56AM +0530, Manali Shukla wrote: > > Do you have concern with the decision to expose the flag to /proc/cpuinfo? > > > > The decision to expose the flag to /proc/cpuinfo was already discussed in > > [v1]. As suggested in the discussion [v1], I have added "buslock" to be > > enumerated in /proc/cpuinfo. > > If you mean this: > > https://lore.kernel.org/kvm/20240709175145.9986-4-manali.shukla@xxxxxxx/T/#m1dc7e08c54dd91d53a6bc5b1ed0a6721b356a756 > > I don't see any conclusion there. > > I see Sean wanting to export information out of KVM to say what it supports > without adding user ABI and I don't know how far that has come Not very far :-( > but what you're > doing here ain't it. > > Just do: > > #define X86_FEATURE_BUS_LOCK_THRESHOLD (15*32+29) /* Bus lock threshold */ > > and then later KVM can export this however it prefers. +1
