linux-kernel - Re: [PATCH] blk-mq: skip CPU offline notify on unmapped hctx

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Message-Id: <176711056497.410043.6155561525733424852.b4-ty@kernel.dk>
Date: Tue, 30 Dec 2025 09:02:44 -0700
From: Jens Axboe <axboe@...nel.dk>
To: Cong Zhang <cong.zhang@....qualcomm.com>
Cc: linux-arm-msm@...r.kernel.org, linux-block@...r.kernel.org, 
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] blk-mq: skip CPU offline notify on unmapped hctx


On Tue, 30 Dec 2025 17:17:05 +0800, Cong Zhang wrote:
> If an hctx has no software ctx mapped, blk_mq_map_swqueue() never
> allocates tags and leaves hctx->tags NULL. The CPU hotplug offline
> notifier can still run for that hctx, return early since hctx cannot
> hold any requests.
> 
> 

Applied, thanks!

[1/1] blk-mq: skip CPU offline notify on unmapped hctx
      commit: 10845a105bbcb030647a729f1716c2309da71d33

Best regards,
-- 
Jens Axboe