linux-kernel - Re: Avoid speculative indirect calls in kernel

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Message-ID: <nycvar.QRO.7.76.6.1801070921030.418@qynat-yncgbc>
Date:   Sun, 7 Jan 2018 09:21:44 -0800 (PST)
From:   David Lang <david@...g.hm>
To:     Borislav Petkov <bp@...en8.de>
cc:     Willy Tarreau <w@....eu>, Dave Hansen <dave.hansen@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jon Masters <jcm@...hat.com>,
        "Woodhouse, David" <dwmw@...zon.co.uk>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andi Kleen <andi@...stfloor.org>,
        Greg Kroah-Hartman <gregkh@...ux-foundation.org>,
        Tim Chen <tim.c.chen@...ux.intel.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jeff Law <law@...hat.com>, Nick Clifton <nickc@...hat.com>
Subject: Re: Avoid speculative indirect calls in kernel

The point is that in many cases, if someone explits the "trusted" process, they 
already have everything that the machine is able to do anyway.