On Fri, Sep 19, 2014 at 8:54 AM, Chuck Ebbert <cebbert.l...@gmail.com> wrote: > On Fri, 19 Sep 2014 13:29:53 +0200 > Borislav Petkov <b...@alien8.de> wrote: > >> On Fri, Sep 19, 2014 at 08:00:15AM -0300, Henrique de Moraes Holschuh wrote: >> > We're also killing microcode update support outside of the initramfs in >> > Debian. It has become obvious that anything other than the early initramfs >> > method of microcode updates should be considered a developer thing. >> >> That's simply not true: long-running systems which you can't reboot for >> whatever reason will need the late microcode update. >> > > Assuming we can identify all the affected models and steppings, maybe > something like this would work: > > 1) Refuse to finish booting if a microcode update that disables TSX > isn't applied before userspace starts running on those CPUs.
How would you accomplish that when applying a microcode update requires userspace? Or did you mean "before we transition out of the initramfs"? josh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
