linux-kernel - Re: [PATCH] firmware: arm_sdei: Prohibit probing in '_sdei

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Message-ID: <20190429155020.GB11429@fuggles.cambridge.arm.com>
Date:   Mon, 29 Apr 2019 16:50:20 +0100
From:   Will Deacon <will.deacon@....com>
To:     Xiongfeng Wang <wangxiongfeng2@...wei.com>
Cc:     james.morse@....com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] firmware: arm_sdei: Prohibit probing in '_sdei_handler'

On Fri, Apr 26, 2019 at 10:16:36AM +0800, Xiongfeng Wang wrote:
> Functions called in '_sdei_handler' are needed to be marked as
> 'nokprobe'. Because these functions are called in NMI context and
> neither the arch-code's debug infrastructure nor kprobes core supports
> this.
> 
> Signed-off-by: Xiongfeng Wang <wangxiongfeng2@...wei.com>
> Reviewed-by: James Morse <james.morse@....com>
> ---
>  drivers/firmware/arm_sdei.c | 3 +++
>  1 file changed, 3 insertions(+)

Queued for 5.2. Thanks.

Will