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Date:   Fri, 15 Oct 2021 19:03:25 +0200
From:   Sebastian Andrzej Siewior <>
To:     He Zhe <>
Subject: Re: [PATCH] arm64: signal: Delay calling signals in atomic

On 2021-10-12 16:44:21 [+0800], He Zhe wrote:
> Debugging with breakpoints on arm64 and RT would trigger the following
> call trace. When CONFIG_PREEMPT_RT is enabled, spin_locks become mutexes,
> and one of these is the spin lock used in signal handling.



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