From: Bart Van Assche <bvanassche@acm.org>
To: Nilay Shroff <nilay@linux.ibm.com>,
linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: hch@lst.de, kbusch@kernel.org, sagi@grimberg.me, axboe@fb.com,
elver@google.com, gjoyce@linux.ibm.com
Subject: Re: [PATCH 11/15] nvme: add Clang context annotations for nvme_queue::sq_lock
Date: Wed, 10 Jun 2026 09:33:50 -0700 [thread overview]
Message-ID: <78da28e4-97c1-405e-8edc-707e62577b51@acm.org> (raw)
In-Reply-To: <20260610142743.115898-12-nilay@linux.ibm.com>
On 6/10/26 7:27 AM, Nilay Shroff wrote:
> static void nvme_free_queue(struct nvme_queue *nvmeq)
> + __context_unsafe(/* frees queue which is no longer in use */)
> {
> dma_free_coherent(nvmeq->dev->dev, CQ_SIZE(nvmeq),
> (void *)nvmeq->cqes, nvmeq->cq_dma_addr);
> @@ -2176,6 +2182,7 @@ static int queue_request_irq(struct nvme_queue *nvmeq)
> }
>
> static void nvme_init_queue(struct nvme_queue *nvmeq, u16 qid)
> + __context_unsafe(/* safe to init queue without any protection */)
> {
> struct nvme_dev *dev = nvmeq->dev;
__context_unsafe() is a big hammer that disables context analysis
for the entire function body. Has it been considered to use
guard(..._init)(...) instead?
Thanks,
Bart.
next prev parent reply other threads:[~2026-06-10 16:33 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-10 14:27 [PATCH 00/15] Support Clang context analysis for NVMe host drivers Nilay Shroff
2026-06-10 14:27 ` [PATCH 01/15] nvme: update nvme_passthru_end() signature Nilay Shroff
2026-06-10 14:27 ` [PATCH 02/15] nvme: add Clang context annotations for nvme_passthru_{start|stop} Nilay Shroff
2026-06-10 14:27 ` [PATCH 03/15] nvme: add Clang context annotations for nvme_ns_head::srcu Nilay Shroff
2026-06-10 14:27 ` [PATCH 04/15] nvme: add Clang context annotations for nvme_ns_head::requeue_list Nilay Shroff
2026-06-10 16:25 ` Bart Van Assche
2026-06-11 4:18 ` Nilay Shroff
2026-06-10 14:27 ` [PATCH 05/15] nvme: add Clang context annotations for nvme_ns_head::current_path Nilay Shroff
2026-06-10 14:27 ` [PATCH 06/15] nvme: add Clang context annotations for nvme_dev::shutdown_lock Nilay Shroff
2026-06-10 14:27 ` [PATCH 07/15] nvme: add Clang context annotations for nvme_subsystem::lock Nilay Shroff
2026-06-10 16:28 ` Bart Van Assche
2026-06-11 4:34 ` Nilay Shroff
2026-06-10 14:27 ` [PATCH 08/15] nvme: add Clang context annotations for nvme_ctrl::ana_lock Nilay Shroff
2026-06-10 14:27 ` [PATCH 09/15] nvme: add Clang context annotations for nvme_subsystems_lock Nilay Shroff
2026-06-10 16:30 ` Bart Van Assche
2026-06-11 4:39 ` Nilay Shroff
2026-06-10 14:27 ` [PATCH 10/15] nvme: add Clang context annotations in fabric.c Nilay Shroff
2026-06-10 14:27 ` [PATCH 11/15] nvme: add Clang context annotations for nvme_queue::sq_lock Nilay Shroff
2026-06-10 16:33 ` Bart Van Assche [this message]
2026-06-11 4:52 ` Nilay Shroff
2026-06-10 14:27 ` [PATCH 12/15] nvme: add Clang context annotations for nvme_queue::cq_poll_lock Nilay Shroff
2026-06-10 16:35 ` Bart Van Assche
2026-06-11 4:52 ` Nilay Shroff
2026-06-10 16:46 ` Keith Busch
2026-06-11 4:54 ` Nilay Shroff
2026-06-10 14:27 ` [PATCH 13/15] nvme: add Clang context annotations in rdma.c Nilay Shroff
2026-06-10 14:27 ` [PATCH 14/15] nvme: add Clang context annotations in tcp.c Nilay Shroff
2026-06-10 14:27 ` [PATCH 15/15] nvme: enable Clang context analysis support for nvme host driver Nilay Shroff
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