linux-kernel - Re: [PATCH] arm64: signal: Delay calling signals in atomic

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Message-ID: <20211015170325.li5rugf6u4rghkrd@linutronix.de>
Date:   Fri, 15 Oct 2021 19:03:25 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     He Zhe <zhe.he@...driver.com>
Cc:     catalin.marinas@....com, will@...nel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        tglx@...utronix.de, rostedt@...dmis.org,
        linux-rt-users@...r.kernel.org
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.

Applied.

Sebastian