linux-kernel - Re: [PATCH 4.19 041/361] x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation

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Message-ID: <alpine.LRH.2.00.1811211420130.18805@gjva.wvxbf.pm>
Date:   Wed, 21 Nov 2018 14:21:15 +0100 (CET)
From:   Jiri Kosina <jikos@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        WoodhouseDavid <dwmw@...zon.co.uk>,
        Andi Kleen <ak@...ux.intel.com>,
        Tim Chen <tim.c.chen@...ux.intel.com>,
        SchauflerCasey <casey.schaufler@...el.com>
Subject: Re: [PATCH 4.19 041/361] x86/speculation: Enable cross-hyperthread
 spectre v2 STIBP mitigation

On Sun, 11 Nov 2018, Greg Kroah-Hartman wrote:

> 4.19-stable review patch.  If anyone has any objections, please let me know.

Greg, please drop this patch from all -stable for now. Version that 
wouldn't have such performance impact is being worked on.

-- 
Jiri Kosina
SUSE Labs