linux-kernel - Re: vmlinux.o: warning: objtool: do_machine_check()+0x5fa: call to memset() leaves .noinstr.text section

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Message-ID: <20220119153218.02ee6789@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
Date:   Wed, 19 Jan 2022 15:32:18 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Borislav Petkov <bp@...e.de>
Cc:     kernel test robot <lkp@...el.com>,
        "Paul E. McKenney" <paulmck@...nel.org>, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: Re: vmlinux.o: warning: objtool: do_machine_check()+0x5fa: call to
 memset() leaves .noinstr.text section

On Thu, 20 Jan 2022 00:17:23 +0100 Borislav Petkov wrote:
> So, I'd like to reproduce that here and play with it a bit. What iso
> can I install in a guest here so that I can get pretty close to your
> environment?

It's CentOS Stream 8. It may have some extra backports done by my $corp
but I don't think the compiler is backported.