linux-kernel - Re: [PATCH v4 2/2] x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation

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Message-ID: <nycvar.YFH.7.76.1809080947580.15880@cbobk.fhfr.pm>
Date:   Sat, 8 Sep 2018 09:50:27 +0200 (CEST)
From:   Jiri Kosina <jikos@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>
cc:     Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        "Woodhouse, David" <dwmw@...zon.co.uk>,
        Andi Kleen <ak@...ux.intel.com>,
        Tim Chen <tim.c.chen@...ux.intel.com>,
        "Schaufler, Casey" <casey.schaufler@...el.com>,
        linux-kernel@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCH v4 2/2] x86/speculation: Enable cross-hyperthread spectre
 v2 STIBP mitigation

On Sat, 8 Sep 2018, Thomas Gleixner wrote:

> If after changing the SMT to enable a normal hotplug operation happens 
> then you need to update the MSR as well.

Ah, right you are, thanks. Will fix in v5.

-- 
Jiri Kosina
SUSE Labs