Linux SCSI subsystem development
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From: Bart Van Assche <bvanassche@acm.org>
To: John Garry <john.g.garry@oracle.com>,
	"Martin K . Petersen" <martin.petersen@oracle.com>
Cc: Marco Elver <elver@google.com>,
	linux-scsi@vger.kernel.org, Jianzhou Zhao <luckd0g@163.com>,
	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
	Dongdong Hao <doubled@leap-io-kernel.com>,
	Kashyap Desai <kashyap.desai@broadcom.com>,
	Sumit Saxena <sumit.saxena@broadcom.com>,
	Shivasharan S <shivasharan.srikanteshwara@broadcom.com>,
	Chandrakanth patil <chandrakanth.patil@broadcom.com>,
	Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>,
	Sreekanth Reddy <sreekanth.reddy@broadcom.com>,
	Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com>,
	Ranjan Kumar <ranjan.kumar@broadcom.com>,
	Nilesh Javali <njavali@marvell.com>,
	Manish Rangankar <mrangankar@marvell.com>,
	GR-QLogic-Storage-Upstream@marvell.com
Subject: Re: [PATCH v7 5/6] scsi: core: Protect host state changes with the host lock
Date: Fri, 14 Aug 2026 08:41:42 -0700	[thread overview]
Message-ID: <f91c7df9-3534-4ec8-a6b6-417577bc22ad@acm.org> (raw)
In-Reply-To: <3731591a-f495-488a-bbe6-96f4ec2acb78@oracle.com>

On 8/14/26 7:59 AM, John Garry wrote:
> with my changes in https://lore.kernel.org/linux-scsi/ 
> yq15x1dtp3r.fsf@mail.kernel.org/T/ 
> #m064c12513575565cc08afa15738215b98bcca142 on top of this series, I 
> notice that the following 2x forms of annotation are compliant for the 
> context analysis checking:
> 
> __must_hold(shost->host_lock)
> __must_hold(&shost->host_lock)

This is consistent with my observations - it seems like Clang accepts
both forms. Marco, do you perhaps know whether this is a bug or a
feature? I couldn't find the answer to this question in
https://clang.llvm.org/docs/ThreadSafetyAnalysis.html.

Thanks,

Bart.

  reply	other threads:[~2026-08-14 15:41 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-07 22:49 [PATCH v7 0/6] Enable context analysis in the SCSI core and UFS driver Bart Van Assche
2026-08-07 22:49 ` [PATCH v7 1/6] ufs: core: Set task state before io_schedule_timeout() Bart Van Assche
2026-08-07 22:49 ` [PATCH v7 2/6] ufs: core: Enable context analysis Bart Van Assche
2026-08-07 22:49 ` [PATCH v7 3/6] scsi: core: Pass the SCSI host pointer directly to scanning functions Bart Van Assche
2026-08-07 22:49 ` [PATCH v7 4/6] scsi: core: Add lock context annotations Bart Van Assche
2026-08-07 22:49 ` [PATCH v7 5/6] scsi: core: Protect host state changes with the host lock Bart Van Assche
2026-08-11 11:21   ` John Garry
2026-08-14 14:59   ` John Garry
2026-08-14 15:41     ` Bart Van Assche [this message]
2026-08-17 22:58       ` Marco Elver
2026-08-07 22:49 ` [PATCH v7 6/6] scsi: core: Enable context analysis Bart Van Assche
2026-08-10 15:35   ` John Garry
2026-08-14 14:55   ` John Garry
2026-08-14 15:42     ` Bart Van Assche
2026-08-14  2:20 ` [PATCH v7 0/6] Enable context analysis in the SCSI core and UFS driver Martin K. Petersen (Oracle)

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