linux-kernel - Re: [v7, 05/11] x86/retpoline/entry: Convert entry assembler indirect jumps

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Date:   Tue, 9 Jan 2018 20:30:10 -0800
From:   Andi Kleen <ak@...ux.intel.com>
To:     Andrei Vagin <avagin@...tuozzo.com>
Cc:     "Woodhouse, David" <dwmw@...zon.co.uk>,
        Paul Turner <pjt@...gle.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...ux-foundation.org>,
        Tim Chen <tim.c.chen@...ux.intel.com>,
        Dave Hansen <dave.hansen@...el.com>, tglx@...utronix.de,
        Kees Cook <keescook@...gle.com>,
        Rik van Riel <riel@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...capital.net>,
        Jiri Kosina <jikos@...nel.org>, gnomes@...rguk.ukuu.org.uk,
        x86@...nel.org
Subject: Re: [v7, 05/11] x86/retpoline/entry: Convert entry assembler
 indirect jumps

On Tue, Jan 09, 2018 at 07:54:08PM -0800, Andrei Vagin wrote:
> 
> Hi,
> 
> In my test environment, the kernel with this patch crashes.

I posted a patch for this.

-Andi