From: <dan.j.williams@intel.com>
To: Bart Van Assche <bart.vanassche@linux.dev>,
Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
Boqun Feng <boqun@kernel.org>, Waiman Long <longman@redhat.com>,
<linux-kernel@vger.kernel.org>, Marco Elver <elver@google.com>,
"Christoph Hellwig" <hch@lst.de>,
Steven Rostedt <rostedt@goodmis.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Nathan Chancellor <nathan@kernel.org>,
Kees Cook <kees@kernel.org>, Jann Horn <jannh@google.com>,
Bart Van Assche <bvanassche@acm.org>,
Dan Williams <dan.j.williams@intel.com>,
Vishal Verma <vishal.l.verma@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
"Alison Schofield" <alison.schofield@intel.com>,
<nvdimm@lists.linux.dev>, <linux-cxl@vger.kernel.org>
Subject: Re: [PATCH 04/62] dax/bus.c: Fix a locking bug
Date: Mon, 23 Feb 2026 14:50:49 -0800 [thread overview]
Message-ID: <699cd9c94943b_2f4a10073@dwillia2-mobl4.notmuch> (raw)
In-Reply-To: <20260223220102.2158611-5-bart.vanassche@linux.dev>
Bart Van Assche wrote:
> From: Bart Van Assche <bvanassche@acm.org>
>
> Only unlock dax_dev_rwsem if it has been locked. This locking bug was
> detected by the Clang thread-safety analyzer.
>
> Cc: Dan Williams <dan.j.williams@intel.com>
> Cc: Vishal Verma <vishal.l.verma@intel.com>
> Cc: Dave Jiang <dave.jiang@intel.com>
> Cc: Alison Schofield <alison.schofield@intel.com>
> Cc: nvdimm@lists.linux.dev
> Cc: linux-cxl@vger.kernel.org
> Fixes: c05ae9d85b47 ("dax/bus.c: replace driver-core lock usage by a local rwsem")
> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Looks good,
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
next prev parent reply other threads:[~2026-02-23 22:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20260223220102.2158611-1-bart.vanassche@linux.dev>
2026-02-23 22:00 ` [PATCH 04/62] dax/bus.c: Fix a locking bug Bart Van Assche
2026-02-23 22:50 ` dan.j.williams [this message]
2026-02-24 12:45 ` Jonathan Cameron
[not found] <20260223215118.2154194-1-bvanassche@acm.org>
2026-02-23 21:50 ` Bart Van Assche
[not found] <20260223214950.2153735-1-bvanassche@acm.org>
2026-02-23 21:48 ` Bart Van Assche
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