linux-kernel - Re: [PATCH RFC] drivers/core: Replace lockdep_set_novalidate

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Message-ID: <Y+hGc73ZgY7ezQgt@moria.home.lan>
Date:   Sat, 11 Feb 2023 20:52:51 -0500
From:   Kent Overstreet <kent.overstreet@...ux.dev>
To:     Hillf Danton <hdanton@...a.com>
Cc:     Kent Overstreet <kent.overstreet@...il.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Coly Li <colyli@...e.de>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        syzkaller <syzkaller@...glegroups.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Boqun Feng <boqun.feng@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        USB list <linux-usb@...r.kernel.org>
Subject: Re: [PATCH RFC] drivers/core: Replace lockdep_set_novalidate_class()
 with unique class keys

On Sun, Feb 12, 2023 at 09:32:20AM +0800, Hillf Danton wrote:
> On Sat, 11 Feb 2023 18:08:05 -0500 Kent Overstreet <kent.overstreet@...ux.dev>
> > 
> > Subject: [PATCH] locking/lockdep: lockdep_set_no_check_recursion()
> > 
> > This adds a method to tell lockdep not to check lock ordering within a
> > lock class - but to still check lock ordering w.r.t. other lock types.
> 
> Given what is cut off in the rfc, better not add this to lockdep again if
> anything like checking lock_owner in reiserfs_write_lock() works for you.
> 
> Why is lockdep the dump bin for what you add?

You have zero commits to the code in question, and you're coming in here
with a total non sequitar and an insult.

Fuck off, you don't belong here.