Re: [tip:x86/microcode] x86/microcode_intel_early.c: Early update ucode on Intel's CPU
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- Subject: Re: [tip:x86/microcode] x86/microcode_intel_early.c: Early update ucode on Intel's CPU
- From: Borislav Petkov <bp@xxxxxxxxx>
- Date: Tue, 11 Dec 2012 15:57:16 +0100
- Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>, "Yu, Fenghua" <fenghua.yu@xxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "hpa@xxxxxxxxxxxxxxx" <hpa@xxxxxxxxxxxxxxx>, "linux-tip-commits@xxxxxxxxxxxxxxx" <linux-tip-commits@xxxxxxxxxxxxxxx>
- In-reply-to: <CAE9FiQUiEx=p6wTC5wu_E=ih1CSBaTmw90zsc2=+xu6rMO5usg@mail.gmail.com>
- Mail-followup-to: Borislav Petkov <bp@xxxxxxxxx>, Yinghai Lu <yinghai@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, "Yu, Fenghua" <fenghua.yu@xxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "hpa@xxxxxxxxxxxxxxx" <hpa@xxxxxxxxxxxxxxx>, "linux-tip-commits@xxxxxxxxxxxxxxx" <linux-tip-commits@xxxxxxxxxxxxxxx>
- User-agent: Mutt/1.5.21 (2010-09-15)
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.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
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