From: "Michael Walle" <mwalle@kernel.org>
To: "Tudor Ambarus" <tudor.ambarus@linaro.org>,
"Runyu Xiao" <runyu.xiao@seu.edu.cn>
Cc: <pratyush@kernel.org>, <miquel.raynal@bootlin.com>,
<richard@nod.at>, <vigneshr@ti.com>,
<linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
<jianhao.xu@seu.edu.cn>, <stable@vger.kernel.org>
Subject: Re: [PATCH] mtd: spi-nor: scope the exclusive RWW lock
Date: Wed, 12 Aug 2026 08:14:18 +0200 [thread overview]
Message-ID: <DKMQSZRM4QEZ.2EXQD5U58EVTI@kernel.org> (raw)
In-Reply-To: <6e208a8b-da11-4ba1-adfc-f1e80c891310@linaro.org>
On Tue Aug 11, 2026 at 12:05 PM CEST, Tudor Ambarus wrote:
>
>
> On 8/10/26 11:25 AM, Michael Walle wrote:
>> Tudor, do
>> you know why you've omitted the guard() in spi_nor_rww_start_exclusive()?
>
> because using guard changes the behavior of the code.
But that commit removed the mutex_unlock(), thus keeping the lock.
That wasn't the case before the commit. IMHO the Fixes: tag is
correct.
-michael
next prev parent reply other threads:[~2026-08-12 6:14 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-09 8:42 [PATCH] mtd: spi-nor: scope the exclusive RWW lock Runyu Xiao
2026-08-10 8:25 ` Michael Walle
2026-08-10 12:47 ` Miquel Raynal
2026-08-11 4:13 ` [PATCH v2] " Runyu Xiao
2026-08-11 7:51 ` Miquel Raynal
2026-08-11 8:31 ` [PATCH v3] mtd: spi-nor: use guard() in spi_nor_rww_start_exclusive Runyu Xiao
2026-08-11 8:41 ` Miquel Raynal
2026-08-11 10:11 ` Tudor Ambarus
2026-08-11 10:42 ` Tudor Ambarus
2026-08-11 14:36 ` Miquel Raynal
2026-08-11 15:38 ` Miquel Raynal
2026-08-12 10:19 ` Tudor Ambarus
2026-08-12 9:49 ` Tudor Ambarus
2026-08-11 8:50 ` [PATCH v2] mtd: spi-nor: scope the exclusive RWW lock Michael Walle
2026-08-11 10:05 ` [PATCH] " Tudor Ambarus
2026-08-12 6:14 ` Michael Walle [this message]
2026-08-12 9:48 ` Tudor Ambarus
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