linux-kernel - Re: [PATCH] soc/tegra: pmc: Don't allocate struct tegra

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Message-ID: <20170321103950.GS25659@vireshk-i7>
Date:   Tue, 21 Mar 2017 16:09:50 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Jon Hunter <jonathanh@...dia.com>
Cc:     Stephen Warren <swarren@...dotorg.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Alexandre Courbot <gnurou@...il.com>,
        linaro-kernel@...ts.linaro.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] soc/tegra: pmc: Don't allocate struct tegra_powergate on
 stack

On 21-03-17, 10:37, Jon Hunter wrote:
> 
> On 21/03/17 05:24, Viresh Kumar wrote:
> > The size of the struct tegra_powergate is quite big and if any more
> > fields are added to the internal genpd structure, following warnings are
> > thrown:
> > 
> > drivers/soc/tegra/pmc.c:577:1: warning: the frame size of 1176 bytes is larger than 1024 bytes [-Wframe-larger-than=]
> 
> Hmmm ... AFAICT the size of the tegra_powergate struct is 312 bytes
> (based upon next-20170321) and so it looks like something massive needs
> to be added to the genpd struct to blow this up to over 1024 bytes. Are
> there some genpd changes in-flight that are causing this?

https://marc.info/?l=linux-kernel&m=149000247329743&w=2

This is up for discussion right now though and we don't know if it
will surely get merged or not.

-- 
viresh