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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <f58d0930-19fc-bb5f-960f-56aa48ced79a@linaro.org>
Date:   Wed, 11 Jul 2018 18:38:33 +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 15:42, Sudeep Holla wrote:
> Hi Daniel,
> 
> On 11/07/18 12:36, Daniel Lezcano wrote:
>> 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.
>>
> 
> Thomas was planning to take this, see [1]

Thomas ?

Do you want to take all the series ? Or shall I take this one ?


-- 
 <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog