linux-kernel - Re: [PATCH 1/3] Revert "arm64: topology: divorce MC scheduling domain from core

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Message-ID: <36920292-9a04-9fe6-8a85-cc50b484dce5@arm.com>
Date:   Tue, 5 Jun 2018 15:12:01 +0100
From:   Sudeep Holla <sudeep.holla@....com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Sudeep Holla <sudeep.holla@....com>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Catalin Marinas <catalin.marinas@....com>,
        Jeremy Linton <jeremy.linton@....com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Hanjun Guo <hanjun.guo@...aro.org>,
        Will Deacon <will.deacon@....com>
Subject: Re: [PATCH 1/3] Revert "arm64: topology: divorce MC scheduling domain
 from core_siblings"



On 05/06/18 15:09, Geert Uytterhoeven wrote:
> Hi Sudeep,
> 
> On Tue, Jun 5, 2018 at 3:55 PM, Sudeep Holla <sudeep.holla@....com> wrote:
>> This reverts commit 37c3ec2d810f87eac73822f76b30391a83bded19.
>>
>> Currently on ARM64 platforms, we don't update the CPU topology masks
>> on each hotplug operation. However, the updates to cpu_coregroup_mask
> 
> I would add
> 
>     "leading to e.g. a system hang during system suspend."
> 
> to avoid people thinking this is purely a small bookkeeping issue without  any
> percussions.
> 

Sure, thanks. Sorry for missing that.

-- 
Regards,
Sudeep