well first of all don't use IBRS, use retpoline and if Andrea says this was a known issue in their code then I think that closes the issue.
> -----Original Message----- > From: David Woodhouse [mailto:[email protected]] > Sent: Saturday, January 20, 2018 1:03 AM > To: Hou Tao <[email protected]>; [email protected]; linux- > [email protected]; Van De Ven, Arjan <[email protected]> > Cc: [email protected]; Thomas Gleixner <[email protected]>; > [email protected]; [email protected]; [email protected]; > [email protected]; [email protected] > Subject: Re: [RH72 Spectre] ibpb_enabled = 1 leads to hard LOCKUP under > x86_64 host machine > > On Sat, 2018-01-20 at 17:00 +0800, Hou Tao wrote: > > > > So has anyone encountered a similar problem before, and any suggestions > > and directions for the hard LOCKUP problems ? > > Arjan, what is the Intel recommendation here?
