linux-kernel - Re: [PATCH] cpufreq: powernv: fix stack bloat and NR

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Date:   Thu, 17 Oct 2019 21:41:20 -0700
From:   John Hubbard <jhubbard@...dia.com>
To:     Viresh Kumar <viresh.kumar@...aro.org>
CC:     Shilpasri G Bhat <shilpa.bhat@...ux.vnet.ibm.com>,
        LKML <linux-kernel@...r.kernel.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        <linux-pm@...r.kernel.org>, <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH] cpufreq: powernv: fix stack bloat and NR_CPUS limitation

On 10/17/19 9:38 PM, Viresh Kumar wrote:
> On 17-10-19, 21:34, John Hubbard wrote:
>> On 10/17/19 9:27 PM, Viresh Kumar wrote:
>>> On 17-10-19, 17:04, John Hubbard wrote:
>>>> The following build warning occurred on powerpc 64-bit builds:
>>>>
>>>> drivers/cpufreq/powernv-cpufreq.c: In function 'init_chip_info':
>>>> drivers/cpufreq/powernv-cpufreq.c:1070:1: warning: the frame size of 1040 bytes is larger than 1024 bytes [-Wframe-larger-than=]
>>>
>>> How come we are catching this warning after 4 years ?
>>>
>>
>> Newer compilers. And btw, I don't spend a lot of time in powerpc
>> code, so I just recently ran this, and I guess everyone has been on less
>> new compilers so far, it seems.
>>
>> I used a gcc 8.1 cross compiler in this case:
> 
> Hmm, okay.
> 
> I hope you haven't missed my actual review comments on your patch,
> just wanted to make sure we don't end up waiting for each other
> indefinitely here :)
> 

Ha, I did overlook those. It's late around here, I guess. :)

I'll send a v2 with those changes. 

thanks,

John Hubbard
NVIDIA