On Fri, Feb 14, 2020 at 6:33 AM Erwan Velu <erwanaliasr1@xxxxxxxxx> wrote: > > The current behavior is to print a "disabled by bios" message per CPU thread. > As modern CPUs can have up to 64 cores, 128 on a dual socket, and turns this > printk to be a pretty noisy by showing up to 256 times the same line in a row. > > This patch offer to only print the message once per host considering the BIOS will > disabled the feature for all sockets/cores at once and not on a per core basis. That's quite an assumption you're making. I guess I've seen more broken BIOSes than you have. :-) Still, I would rather see the message just once--perhaps with an additional warning if all logical processors aren't in agreement.
