From: Sven Peter <sven@kernel.org>
To: Nick Chan <towinchenmi@gmail.com>, Janne Grunau <j@jannau.net>,
Neal Gompa <neal@gompa.dev>, Keith Busch <kbusch@kernel.org>,
Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>,
Sagi Grimberg <sagi@grimberg.me>
Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH v2] nvme-apple: Prevent shared tags across queues on Apple A11
Date: Sun, 7 Jun 2026 11:40:59 +0200 [thread overview]
Message-ID: <6d6f0792-2fbb-4985-819c-87fa499da4ce@kernel.org> (raw)
In-Reply-To: <20260607-prevent-tag-collision-t8015-v2-1-dc4ef4fb42bc@gmail.com>
On 07.06.26 08:10, Nick Chan wrote:
> On Apple A11, tags of pending commands must be unique across the admin
> and IO queues, else the firmware crashes with
> "duplicate tag error for tag N", with N being the tag.
>
> Apply the existing workaround for M1 of reserving two tags for the admin
> queue to A11.
>
> Cc: stable@vger.kernel.org
> Fixes: 04d8ecf37b5e ("nvme: apple: Add Apple A11 support")
> Signed-off-by: Nick Chan <towinchenmi@gmail.com>
> ---
Reviewed-by: Sven Peter <sven@kernel.org>
Best,
Sven
next prev parent reply other threads:[~2026-06-07 9:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-07 6:10 [PATCH v2] nvme-apple: Prevent shared tags across queues on Apple A11 Nick Chan
2026-06-07 9:40 ` Sven Peter [this message]
2026-06-08 19:45 ` Keith Busch
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