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. and/or 2) Don't allow a late update if TSX is still enabled on those processors. (1) could be overridden by a command line option for people who want to develop TSX code. -- 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/