On 12/11/2012 08:46 AM, Yinghai Lu wrote: > On Tue, Dec 11, 2012 at 6:57 AM, Borislav Petkov <bp@xxxxxxxxx> wrote: >> On Mon, Dec 10, 2012 at 11:07:38PM -0800, Yinghai Lu wrote: >>> BTW, do we really need to update microcode so early? >> >> Yes we do. Normally ucode gets applied by the BIOS - this early approach >> is for those cases where OEMs don't release new BIOS anymore but we >> still need to apply a ucode patch as early as possible. > > but old bios with old ucode still work with some kind of previous kernel? > > Do we have case that system would not work with kernel if ucode is not > updated so early? > It's not about "not working"... it is about "if the microcode isn't loaded early we have to disable features." -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html