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

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Message-ID: <20180107184932.t3jcvwjj7y37xhb4@pd.tnic>
Date:   Sun, 7 Jan 2018 19:49:32 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     David Lang <david@...g.hm>
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

On Sun, Jan 07, 2018 at 09:21:44AM -0800, David Lang wrote:
> 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.

...and then we don't need the per-process complication anyway.

-- 
Regards/Gruss,
    Boris.

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