From: "Guilherme G. Piccoli" <gpiccoli@igalia.com>
To: Thomas Gleixner <tglx@linutronix.de>,
"Luck, Tony" <tony.luck@intel.com>,
"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>
Cc: "mingo@redhat.com" <mingo@redhat.com>,
"bp@alien8.de" <bp@alien8.de>, "hpa@zytor.com" <hpa@zytor.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Lutomirski, Andy" <luto@kernel.org>,
"kernel-dev@igalia.com" <kernel-dev@igalia.com>,
"kernel@gpiccoli.net" <kernel@gpiccoli.net>,
"Yu, Fenghua" <fenghua.yu@intel.com>,
Joshua Ashton <joshua@froggi.es>,
Paul Gofman <pgofman@codeweavers.com>,
Pavel Machek <pavel@denx.de>,
Pierre-Loup Griffais <pgriffais@valvesoftware.com>,
Melissa Wen <mwen@igalia.com>, "x86@kernel.org" <x86@kernel.org>
Subject: Re: [PATCH] x86/split_lock: Restore warn mode (and add a new one) to avoid userspace regression
Date: Thu, 6 Oct 2022 17:58:14 -0300 [thread overview]
Message-ID: <5b8e4b64-2e9c-4cbe-0a56-83043d8de113@igalia.com> (raw)
In-Reply-To: <87pmf4bter.ffs@tglx>
On 06/10/2022 17:15, Thomas Gleixner wrote:
> [...]
>
> But a way better solution is to add a sysctl knob which allows to
> disable the slowdown mechanics and that allows distros to give the user
> an trivial knob in the GUI to switch to "I don't care. My broken game is
> more important!" mode, while still maintaining the only sensible default
> of preventing damage for the general use case of the generic distro
> kernel.
OK, if nobody opposes I'll work on that sysctl approach then.
Cheers,
Guilherme
next prev parent reply other threads:[~2022-10-06 20:59 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-28 14:21 Guilherme G. Piccoli
2022-09-28 20:24 ` Luck, Tony
2022-09-28 20:50 ` Joshua Ashton
2022-09-28 20:56 ` Guilherme G. Piccoli
2022-10-06 20:15 ` Thomas Gleixner
2022-10-06 20:58 ` Guilherme G. Piccoli [this message]
2022-10-06 9:04 ` Pavel Machek
2022-10-06 15:07 ` Guilherme G. Piccoli
2022-09-28 21:50 ` Dave Hansen
2022-09-29 14:57 ` Guilherme G. Piccoli
2022-09-29 15:17 ` Dave Hansen
2022-09-29 15:30 ` Guilherme G. Piccoli
2022-09-29 16:26 ` Dave Hansen
2022-09-29 17:15 ` Guilherme G. Piccoli
2022-09-29 17:23 ` Paul Gofman
2022-09-29 15:37 ` Luck, Tony
2022-10-30 16:13 ` Lukas Straub
2022-09-29 17:17 ` Zebediah Figura
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