From: Christoph Hellwig <hch@infradead.org>
To: Chaohai Chen <wdhh6@aliyun.com>
Cc: James.Bottomley@hansenpartnership.com,
martin.petersen@oracle.com, linux-scsi@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] scsi: core: Fix missing lock when read async_scan in Scsi_Host
Date: Tue, 3 Mar 2026 07:12:44 -0800 [thread overview]
Message-ID: <aab6bMqPdO3rRP-N@infradead.org> (raw)
In-Reply-To: <20260302121343.1630837-1-wdhh6@aliyun.com>
No, using a lock to read a single scalar value makes zero sense.
Just switch to READ_ONCE/WRITE_ONCE to make alpha and KCSAN happy.
next prev parent reply other threads:[~2026-03-03 15:12 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-02 12:13 [PATCH] scsi: core: Fix missing lock when read async_scan in Scsi_Host Chaohai Chen
2026-03-02 14:37 ` Bart Van Assche
2026-03-03 8:45 ` Damien Le Moal
2026-03-03 9:20 ` Chaohai Chen
2026-03-03 9:28 ` Damien Le Moal
2026-03-03 15:12 ` Christoph Hellwig [this message]
2026-03-03 16:25 ` James Bottomley
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