linux-kernel - Re: [patch 3/4] sched/mmcid: Drop per CPU CID immediately when switching to per task mode

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Message-ID: <d64b91c9-f156-4384-9444-6c9a2c72b0d3@efficios.com>
Date: Fri, 30 Jan 2026 10:38:53 -0500
From: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To: Thomas Gleixner <tglx@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Cc: Ihor Solodrai <ihor.solodrai@...ux.dev>,
 Shrikanth Hegde <sshegde@...ux.ibm.com>,
 Peter Zijlstra <peterz@...radead.org>,
 Michael Jeanson <mjeanson@...icios.com>
Subject: Re: [patch 3/4] sched/mmcid: Drop per CPU CID immediately when
 switching to per task mode

On 2026-01-29 16:20, Thomas Gleixner wrote:
> When a exiting task initiates the switch from per CPU back to per task
> mode, it has already dropped it's CID and marked itself inactive. But a

its

[...]

> 
> Fixes: fbd0e71dc370 ("sched/mmcid: Provide CID ownership mode fixup functions")
> Signed-off-by: Thomas Gleixner <tglx@...nel.org>

Other than the nit above:

Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>

-- 
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com