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Message-ID: <20240605093609.GCZmAxidNIBP5bkDcX@fat_crate.local>
Date: Wed, 5 Jun 2024 11:36:09 +0200
From: Borislav Petkov <bp@...en8.de>
To: Tony W Wang-oc <TonyWWang-oc@...oxin.com>
Cc: Thomas Gleixner <tglx@...utronix.de>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Dave Hansen <dave.hansen@...el.com>, mingo@...hat.com,
dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com,
keescook@...omium.org, tony.luck@...el.com, gpiccoli@...lia.com,
mat.jonczyk@...pl, rdunlap@...radead.org,
alexandre.belloni@...tlin.com, mario.limonciello@....com,
yaolu@...inos.cn, bhelgaas@...gle.com, justinstitt@...gle.com,
linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
CobeChen@...oxin.com, TimGuo@...oxin.com, LeoLiu-oc@...oxin.com
Subject: Re: [PATCH] x86/hpet: Read HPET directly if panic in progress
On Wed, Jun 05, 2024 at 02:23:32PM +0800, Tony W Wang-oc wrote:
> After MCE has occurred, it is possible for the MCE handler to execute the
> add_taint() function without panic. For example, the fake_panic is
> configured.
fake_panic is an ancient debugging leftover. If you set it, you get what
you deserve.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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