linux-kernel - Re: [PATCH 00/29] x86: Kernel IBT

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Message-ID: <7a241b81ccd21da02bc27379b0a837c09fe4f135.camel@intel.com>
Date:   Sat, 19 Feb 2022 01:29:45 +0000
From:   "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
To:     "Poimboe, Josh" <jpoimboe@...hat.com>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "hjl.tools@...il.com" <hjl.tools@...il.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "joao@...rdrivepizza.com" <joao@...rdrivepizza.com>,
        "Cooper, Andrew" <andrew.cooper3@...rix.com>
CC:     "keescook@...omium.org" <keescook@...omium.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "samitolvanen@...gle.com" <samitolvanen@...gle.com>,
        "ndesaulniers@...gle.com" <ndesaulniers@...gle.com>,
        "Milburn, Alyssa" <alyssa.milburn@...el.com>
Subject: Re: [PATCH 00/29] x86: Kernel IBT

On Fri, 2022-02-18 at 17:49 +0100, Peter Zijlstra wrote:
> This is an (almost!) complete Kernel IBT implementation. It's been
> self-hosting
> for a few days now. That is, it runs on IBT enabled hardware
> (Tigerlake) and is
> capable of building the next kernel.
> 
> It is also almost clean on allmodconfig using GCC-11.2.
> 
> The biggest TODO item at this point is Clang, I've not yet looked at
> that.

Do you need to turn this off before kexec?