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

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Message-ID: <20220131085611.4371c9da@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Mon, 31 Jan 2022 08:56:11 -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 Mon, 31 Jan 2022 13:06:45 +0100 Borislav Petkov wrote:
> Ok, while trying to boot an externally supplied kernel with qemu -kernel
> and with a guest install of centos8, I managed to trigger the issues on
> the test box.
> 
> I've pushed a branch here for you to test:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git/log/?h=rc1%2bmce-noinstr
> 
> Lemme know how that goes.

CLEAN! All the warnings are gone, thank you :)