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From: Yuchao Zhang <ndaugoing@gmail.com>
To: "Roger Pau Monné" <roger@xenproject.org>,
	"Juergen Gross" <jgross@suse.com>,
	"Stefano Stabellini" <sstabellini@kernel.org>,
	"Jens Axboe" <axboe@kernel.dk>
Cc: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>,
	xen-devel@lists.xenproject.org, linux-block@vger.kernel.org,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org,
	Yuchao Zhang <ndaugoing@gmail.com>
Subject: Re: [PATCH 1/1] xen-blkfront: unbind irq before tearing down ring and shadow requests
Date: Tue, 22 Sep 2026 15:21:46 +0800	[thread overview]
Message-ID: <20260922072146.34611-1-ndaugoing@gmail.com> (raw)
In-Reply-To: <arD7FHmbqJlLHmyE@macbook.local>

Hi Roger,

Thanks for the review and catching the right origin commit.

You are completely right: commit 11659569f720 ("xen/blkfront: split per device
io_lock") removed the lock protection from the interrupt handler and introduced
the race window.

I have updated the Fixes tag to point to 11659569f720 and added the requested
comment before unbind_from_irqhandler() explaining that interrupt teardown must
precede queue data cleanup.

v2 patch has been sent as reply to this thread.

Thanks,
Yuchao

  reply	other threads:[~2026-09-22  7:21 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-18 11:43 [PATCH 0/1] " Yuchao Zhang
2026-09-18 11:43 ` [PATCH 1/1] " Yuchao Zhang
2026-09-21  9:38   ` Roger Pau Monné
2026-09-22  7:21     ` Yuchao Zhang [this message]
2026-09-22  7:21     ` [PATCH v2] " Yuchao Zhang
2026-09-22  8:35       ` Roger Pau Monné

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