linux-kernel - Re: [PATCH] hrtimer: add cmdline parameter retry_threshold to config retry times in interrupt handler routine

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date: Wed, 07 Feb 2024 11:09:28 +0100
From: Thomas Gleixner <tglx@...utronix.de>
To: tiozhang <tiozhang@...iglobal.com>
Cc: Jonathan Corbet <corbet@....net>, "Steven Rostedt (Google)"
 <rostedt@...dmis.org>, linux-kernel@...r.kernel.org, zyhtheonly@...il.com,
 zyhtheonly@...h.net, tiozhang@...iglobal.com
Subject: Re: [PATCH] hrtimer: add cmdline parameter retry_threshold to
 config retry times in interrupt handler routine

On Wed, Jan 31 2024 at 18:41, tiozhang@...iglobal.com wrote:
> Motivation of doing this is to give user a config option to reduce time
> cost in hrtimer irq when influenced by some time consuming hrtimer
> callbacks running in irq context.
> E.g, if we tune this parameter to 1, we dont retry anymore to prevent
> occasionally consecutive time consuming callbacks running in a single
> interrupt.

Which is the exact problem you are trying to solve here?