linux-kernel - Re: [PATCH v7 1/5] dax/bus.c: replace driver-core lock usage by a local rwsem

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Date: Tue, 12 Mar 2024 13:22:33 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: "Verma, Vishal L" <vishal.l.verma@...el.com>
Cc: "Williams, Dan J" <dan.j.williams@...el.com>, "Jiang, Dave"
 <dave.jiang@...el.com>, "osalvador@...e.de" <osalvador@...e.de>,
 "david@...hat.com" <david@...hat.com>, "gregkh@...uxfoundation.org"
 <gregkh@...uxfoundation.org>, "Huang, Ying" <ying.huang@...el.com>,
 "linux-cxl@...r.kernel.org" <linux-cxl@...r.kernel.org>,
 "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "linux-mm@...ck.org" <linux-mm@...ck.org>, "willy@...radead.org"
 <willy@...radead.org>, "nvdimm@...ts.linux.dev" <nvdimm@...ts.linux.dev>
Subject: Re: [PATCH v7 1/5] dax/bus.c: replace driver-core lock usage by a
 local rwsem

On Tue, 12 Mar 2024 20:20:17 +0000 "Verma, Vishal L" <vishal.l.verma@...el.com> wrote:

> > All of these WARN_ON_ONCE() usages should be replaced with
> > lockdep_assert_held() and lockdep_assert_held_write() where appropriate.
> 
> Makes sense - I can send a patch post -rc1 to change these if that's okay Andrew?

Please do.