From: "H. Peter Anvin" <hpa@zytor.com>
To: Dave Hansen <dave.hansen@intel.com>,
Sohil Mehta <sohil.mehta@intel.com>,
"Ahmed S. Darwish" <darwi@linutronix.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
Borislav Petkov <bp@alien8.de>,
x86@kernel.org, Thomas Gleixner <tglx@kernel.org>,
Ingo Molnar <mingo@redhat.com>,
Josh Poimboeuf <jpoimboe@kernel.org>,
Richard Weinberger <richard@nod.at>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Tony Luck <tony.luck@intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/3] x86/cpu/intel: Simplify F00F bug notice using pr_notice_once()
Date: Mon, 18 May 2026 14:23:08 -0700 [thread overview]
Message-ID: <024D39DA-32BE-4511-91C4-F1687DE96EB6@zytor.com> (raw)
In-Reply-To: <bfce05b0-5ca1-4690-bf4e-b19fd915907e@intel.com>
On May 18, 2026 2:17:13 PM PDT, Dave Hansen <dave.hansen@intel.com> wrote:
>On 5/18/26 13:29, Sohil Mehta wrote:
>>> I think this pr_notice() is fine to remove.
>> Sure, I'll remove the notice and also convert the #ifdef
>> CONFIG_X86_F00F_BUG into IS_ENABLED(CONFIG_X86_F00F_BUG).
>
>BTW... The basic trajectory these days is not to be so careful with
>32-bit-only gunk. If it's causing us any headache -- even a few lines of
>code -- it better be unambiguously crucial to functionality to stick around.
>
>In this case, the guy still running a Pentium classic is highly unlikely
>to be concerned about the kernel forgetting to add an F0 0F workaround.
>There are also unlikely to be Pentiums sitting in data centers with log
>monitoring tools that are desperately looking for that F0 0F hunk in dmesg.
>
>The most likely thing is: there are a few dozen Pentiums (if that) out
>there running mainline kernels. I'm not sure they even have more than a
>couple of distros they can run. Nobody is going to notice this message
>going away.
Just nuke the text. It's pointless; we have many other bug workarounds we are less noisy about.
next prev parent reply other threads:[~2026-05-18 21:24 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-15 0:24 [PATCH v2 0/3] x86: Fix a F00F bug warning and cleanup surrounding code Sohil Mehta
2026-05-15 0:24 ` [PATCH v2 1/3] x86/cpu/intel: Don't clear X86_BUG_F00F before setting it Sohil Mehta
2026-05-15 19:16 ` Ahmed S. Darwish
2026-05-15 0:24 ` [PATCH v2 2/3] x86/cpu/intel: Simplify F00F bug notice using pr_notice_once() Sohil Mehta
2026-05-15 19:14 ` Ahmed S. Darwish
2026-05-15 22:37 ` Sohil Mehta
2026-05-15 23:09 ` Ahmed S. Darwish
2026-05-15 23:23 ` Dave Hansen
2026-05-18 20:29 ` Sohil Mehta
2026-05-18 21:17 ` Dave Hansen
2026-05-18 21:23 ` H. Peter Anvin [this message]
2026-05-21 22:38 ` Maciej W. Rozycki
2026-05-22 6:11 ` Christian Ludloff
2026-05-22 20:27 ` Maciej W. Rozycki
2026-05-25 10:41 ` Maciej W. Rozycki
2026-05-26 20:56 ` Richard Weinberger
2026-05-27 0:25 ` Maciej W. Rozycki
2026-05-26 14:14 ` Dave Hansen
2026-05-26 15:01 ` Maciej W. Rozycki
2026-05-26 15:20 ` David Laight
2026-05-26 17:43 ` Christian Ludloff
2026-05-26 19:15 ` Maciej W. Rozycki
2026-05-26 20:49 ` H. Peter Anvin
2026-05-27 0:29 ` Maciej W. Rozycki
2026-05-27 6:13 ` H. Peter Anvin
2026-05-27 9:09 ` David Laight
2026-05-27 9:23 ` Maciej W. Rozycki
2026-05-27 15:36 ` H. Peter Anvin
2026-05-27 16:14 ` Maciej W. Rozycki
2026-06-01 14:43 ` H. Peter Anvin
2026-06-01 21:45 ` David Laight
2026-05-15 0:25 ` [PATCH v2 3/3] x86/cpufeature: Remove clear_cpu_bug() Sohil Mehta
2026-05-15 19:16 ` Ahmed S. Darwish
2026-05-15 6:18 ` [PATCH v2 0/3] x86: Fix a F00F bug warning and cleanup surrounding code Richard Weinberger
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