linux-kernel - Re: [PATCH 0/7] IBRS patch series

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Date:   Thu, 04 Jan 2018 22:01:52 +0100
From:   Yves-Alexis Perez <corsac@...ian.org>
To:     Tim Chen <tim.c.chen@...ux.intel.com>,
        Justin Forbes <jmforbes@...uxtx.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Andy Lutomirski <luto@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Greg KH <gregkh@...uxfoundation.org>,
        Dave Hansen <dave.hansen@...el.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Arjan Van De Ven <arjan.van.de.ven@...el.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7] IBRS patch series

On Thu, 2018-01-04 at 11:10 -0800, Tim Chen wrote:
> > Are there plans to make the corresponding microcode support available?
> > 
> 
> The microcode patches should be released soon.

In the meantime, Lenovo has started issuing BIOS/UEFI updates which include
microcode updates for this.

See for example for the ThinkPad X250

https://download.lenovo.com/pccbbs/mobiles/n10ur16w.txt
https://download.lenovo.com/pccbbs/mobiles/n10ur16w.iso

iucode-tool -L -tr n10ur16w.iso |grep 2017-11
  001/020: sig 0x000306d4, pf_mask 0xc0, 2017-11-17, rev 0x0028, size 18432
  001/022: sig 0x00040651, pf_mask 0x72, 2017-11-20, rev 0x0021, size 22528
  001/025: sig 0x000306d4, pf_mask 0xc0, 2017-11-17, rev 0x0028, size 18432
  001/027: sig 0x00040651, pf_mask 0x72, 2017-11-20, rev 0x0021, size 22528
  001/030: sig 0x000306c3, pf_mask 0x32, 2017-11-20, rev 0x0023, size 23552
  001/032: sig 0x00040651, pf_mask 0x72, 2017-11-20, rev 0x0021, size 22528

Regards,
-- 
Yves-Alexis
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