linux-kernel - Re: x86: Meltdown/Spectre

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Message-ID: <20180115142828.wgytctikk7qvrvg6@treble>
Date:   Mon, 15 Jan 2018 08:28:28 -0600
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     "Woodhouse, David" <dwmw@...zon.co.uk>
Cc:     "tglx@...utronix.de" <tglx@...utronix.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "arjan@...ux.intel.com" <arjan@...ux.intel.com>,
        "mingo@...nel.org" <mingo@...nel.org>,
        "torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>,
        "tim.c.chen@...ux.intel.com" <tim.c.chen@...ux.intel.com>,
        "ak@...ux.intel.com" <ak@...ux.intel.com>,
        "pjt@...gle.com" <pjt@...gle.com>, "bp@...en8.de" <bp@...en8.de>,
        "dave.hansen@...el.com" <dave.hansen@...el.com>,
        "jikos@...nel.org" <jikos@...nel.org>,
        "thomas.lendacky@....com" <thomas.lendacky@....com>,
        "gregkh@...ux-foundation.org" <gregkh@...ux-foundation.org>
Subject: Re: x86: Meltdown/Spectre_v2 status

On Sat, Jan 13, 2018 at 11:55:17AM +0000, Woodhouse, David wrote:
> FWIW we've done a backport of the sysfs/vulnerability and retpoline
> parts to 4.9, including cherry-picking a few earlier needed commits:
> http://git.infradead.org/retpoline-stable.git/shortlog/refs/heads/linux-4.9.y
> 
> Josh, I'd very much appreciate your eyes on my objtool-related
> backports — both your retpoline-specific patches, as well as the
> .discard.* bits they depended on. Thanks.
> 
> Bringing ASM_CALL_CONSTRAINT in as-is seemed like the same thing to do
> too.

The objtool-related backports look good.

-- 
Josh