linux-kernel - Re: [PATCH 1/3] clocksource: drivers: set clockevent device cpumask to cpu_possible

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Message-ID: <2009eeb1-e925-fe5c-ac4a-9f3e41945127@linaro.org>
Date:   Wed, 11 Jul 2018 13:36:03 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Sudeep Holla <sudeep.holla@....com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Santosh Shilimkar <ssantosh@...nel.org>
Subject: Re: [PATCH 1/3] clocksource: drivers: set clockevent device cpumask
 to cpu_possible_mask

On 11/07/2018 13:24, Sudeep Holla wrote:
> Currently, quite a few clockevent devices have cpumask set to
> cpu_all_mask which should be fine. However, cpu_possible_mask is more
> accurate and if there are any other clockevent devices in the system
> which have cpumask set to cpu_possible_mask, then having cpu_all_mask
> may result in issues (mostly boot hang with forever loops in
> clockevents_notify_released).
> 
> So, lets replace all the clockevent device cpu_all_mask to
> cpu_possible_mask in order to prevent above mentioned possible issue.
> 
> Cc: Daniel Lezcano <daniel.lezcano@...aro.org>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Thierry Reding <thierry.reding@...il.com>
> Cc: Jonathan Hunter <jonathanh@...dia.com>
> Cc: Santosh Shilimkar <ssantosh@...nel.org>
> Signed-off-by: Sudeep Holla <sudeep.holla@....com>
> ---

Applied, thanks for the fix.


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