From: Borislav Petkov > Sent: 04 November 2022 21:52 > > On Fri, Nov 04, 2022 at 04:36:50PM -0500, Kim Phillips wrote: > > - Allow for spectre_v2=autoibrs in the kernel command line, > > reverting to auto-selection if the feature isn't available. > > Why? > > What the whole logic here should do is enable autoibrs when detected > automatically, without the need for the user to even select it as it is > the superior mitigation. The only useful option is to allow a different option be selected for code testing. So maybe you want an option for completeness - for when an 'even better' option is available. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)