lkml.org 
[lkml]   [2023]   [May]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 03/32] locking/lockdep: lockdep_set_no_check_recursion()
On Tue, May 09, 2023 at 09:31:47PM +0200, Peter Zijlstra wrote:
> On Tue, May 09, 2023 at 12:56:28PM -0400, Kent Overstreet wrote:
> > 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.
> >
> > This is for bcachefs, where for btree node locks we have our own
> > deadlock avoidance strategy w.r.t. other btree node locks (cycle
> > detection), but we still want lockdep to check lock ordering w.r.t.
> > other lock types.
> >
>
> ISTR you had a much nicer version of this where you gave a custom order
> function -- what happend to that?

Probably in the other branch that I was meaning to re-mail you separately,
clearly I hadn't pulled the latest versions back into here... expect
that shortly :)

\
 
 \ /
  Last update: 2023-05-09 21:58    [W:0.255 / U:0.196 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site