linux-kernel - Re: [PATCH v2] mmap_lock: Change trace and locking order

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Message-ID: <YTH/EHbVT+OLv4O4@casper.infradead.org>
Date:   Fri, 3 Sep 2021 11:55:12 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Liam Howlett <liam.howlett@...cle.com>
Cc:     "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Michel Lespinasse <walken.cr@...il.com>,
        Vlastimil Babka <vbabka@...e.cz>
Subject: Re: [PATCH v2] mmap_lock: Change trace and locking order

On Fri, Sep 03, 2021 at 02:21:05AM +0000, Liam Howlett wrote:
> Print to the trace log before releasing the lock to avoid racing with
> other trace log printers of the same lock type.
> 
> Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
> Suggested-by: Steven Rostedt (VMware) <rostedt@...dmis.org>

Reviewed-by: Matthew Wilcox (Oracle) <willy@...radead.org>