linux-kernel - Re: [RFC PATCH v1 7/9] freezer: raise freeze priority of tasks failed to freeze last time

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

Message-ID: <ee4191ab-ecce-481f-999d-e65bfee799e7@kylinos.cn>
Date: Mon, 11 Aug 2025 17:31:57 +0800
From: Zihuan Zhang <zhangzihuan@...inos.cn>
To: Oleg Nesterov <oleg@...hat.com>
Cc: "Rafael J . Wysocki" <rafael@...nel.org>,
 Peter Zijlstra <peterz@...radead.org>, David Hildenbrand <david@...hat.com>,
 Michal Hocko <mhocko@...e.com>, Jonathan Corbet <corbet@....net>,
 Ingo Molnar <mingo@...hat.com>, Juri Lelli <juri.lelli@...hat.com>,
 Vincent Guittot <vincent.guittot@...aro.org>,
 Dietmar Eggemann <dietmar.eggemann@....com>,
 Steven Rostedt <rostedt@...dmis.org>, Ben Segall <bsegall@...gle.com>,
 Mel Gorman <mgorman@...e.de>, Valentin Schneider <vschneid@...hat.com>,
 len brown <len.brown@...el.com>, pavel machek <pavel@...nel.org>,
 Kees Cook <kees@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>,
 Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
 "Liam R . Howlett" <Liam.Howlett@...cle.com>,
 Vlastimil Babka <vbabka@...e.cz>, Mike Rapoport <rppt@...nel.org>,
 Suren Baghdasaryan <surenb@...gle.com>,
 Catalin Marinas <catalin.marinas@....com>, Nico Pache <npache@...hat.com>,
 xu xin <xu.xin16@....com.cn>, wangfushuai <wangfushuai@...du.com>,
 Andrii Nakryiko <andrii@...nel.org>, Christian Brauner <brauner@...nel.org>,
 Thomas Gleixner <tglx@...utronix.de>, Jeff Layton <jlayton@...nel.org>,
 Al Viro <viro@...iv.linux.org.uk>, Adrian Ratiu
 <adrian.ratiu@...labora.com>, linux-pm@...r.kernel.org, linux-mm@...ck.org,
 linux-fsdevel@...r.kernel.org, linux-doc@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v1 7/9] freezer: raise freeze priority of tasks failed
 to freeze last time

在 2025/8/8 22:53, Oleg Nesterov 写道:
>> -				if (p != current && freezing(p) && !frozen(p))
>> +				if (p != current && freezing(p) && !frozen(p)) {
>> +					freeze_set_default_priority(p, FREEZE_PRIORITY_HIGH);
>>   					sched_show_task(p);
>> +				}
> IMO, this change should go into 3/9 to make the intent more clear.
Will do. Indeed, D-state tasks are not easy to solve, so our plan is to 
provide a fallback-like mechanism.
> Other than that, I leave this series to maintainers and other reviewers.
> Personally, I am skeptical.