From: Tony W Wang-oc <TonyWWang-oc@zhaoxin.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
Dave Hansen <dave.hansen@intel.com>, <mingo@redhat.com>,
<dave.hansen@linux.intel.com>, <x86@kernel.org>, <hpa@zytor.com>,
<keescook@chromium.org>, <tony.luck@intel.com>,
<gpiccoli@igalia.com>, <mat.jonczyk@o2.pl>,
<rdunlap@infradead.org>, <alexandre.belloni@bootlin.com>,
<mario.limonciello@amd.com>, <yaolu@kylinos.cn>,
<bhelgaas@google.com>, <justinstitt@google.com>,
<linux-kernel@vger.kernel.org>, <linux-hardening@vger.kernel.org>,
<CobeChen@zhaoxin.com>, <TimGuo@zhaoxin.com>,
<LeoLiu-oc@zhaoxin.com>
Subject: Re: [PATCH] x86/hpet: Read HPET directly if panic in progress
Date: Wed, 5 Jun 2024 18:10:07 +0800 [thread overview]
Message-ID: <e4f307dd-3264-45f6-82eb-0102f7fb99d7@zhaoxin.com> (raw)
In-Reply-To: <20240605093609.GCZmAxidNIBP5bkDcX@fat_crate.local>
On 2024/6/5 17:36, Borislav Petkov wrote:
>
>
> [这封邮件来自外部发件人 谨防风险]
>
> 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.
>
It may also happen without setting fake_panic, such as an MCE error of
the UCNA/SRAO type occurred?
Sincerely
TonyWWang-oc
> --
> Regards/Gruss,
> Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2024-06-05 10:10 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-28 6:38 [PATCH] x86/hpet: Read HPET directly if panic in progress Tony W Wang-oc
2024-05-28 14:18 ` Dave Hansen
2024-05-28 22:12 ` Thomas Gleixner
2024-05-28 23:22 ` Linus Torvalds
2024-05-29 7:42 ` Thomas Gleixner
2024-06-05 6:23 ` Tony W Wang-oc
2024-06-05 9:36 ` Borislav Petkov
2024-06-05 10:10 ` Tony W Wang-oc [this message]
2024-06-05 11:33 ` Borislav Petkov
2024-06-05 12:02 ` Tony W Wang-oc
2024-06-05 15:51 ` Luck, Tony
2024-06-06 8:44 ` Tony W Wang-oc
2024-06-06 17:00 ` Luck, Tony
2024-05-29 4:39 ` Tony W Wang-oc
2024-05-29 6:44 ` Tony W Wang-oc
2024-05-29 7:45 ` Thomas Gleixner
2024-05-29 8:15 ` Tony W Wang-oc
2024-05-29 7:44 ` Thomas Gleixner
2024-07-01 11:09 ` Tony W Wang-oc
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