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Date:   Tue, 10 Jan 2023 15:53:22 +0100
From:   Borislav Petkov <bp@alien8.de>
To:     Zeng Heng <zengheng4@huawei.com>
Cc:     Ingo Molnar <mingo@kernel.org>, michael.roth@amd.com,
        hpa@zytor.com, tglx@linutronix.de,
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        dave.hansen@linux.intel.com, brijesh.singh@amd.com,
        linux-kernel@vger.kernel.org, x86@kernel.org, liwei391@huawei.com
Subject: Re: [PATCH -v2] x86/boot/compressed: Register dummy NMI handler in
 EFI boot loader, to avoid kdump crashes
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On Tue, Jan 10, 2023 at 08:32:07PM +0800, Zeng Heng wrote:
> And here is the context of mce-inject:
> 
> #0  relocate_kernel () at arch/x86/kernel/relocate_kernel_64.S:55
> #1  0xffffffff81a57fc2 in machine_kexec (image=0xffff888101ef8400)
>     at arch/x86/kernel/machine_kexec_64.c:391

Before we continue with this any further: are you doing this "exercise" in
qemu/kvm and nothing of that is happening on real hardware?

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette