linux-kernel - Re: [PATCH v2 00/48] ARM: PXA multiplatform support

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Date:   Tue, 3 May 2022 16:29:52 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Philipp Zabel <philipp.zabel@...il.com>,
        Lubomir Rintel <lkundrak@...sk>,
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Subject: Re: [PATCH v2 00/48] ARM: PXA multiplatform support

On Tue, May 3, 2022 at 4:04 PM Guenter Roeck <linux@...ck-us.net> wrote:
> On 5/3/22 00:17, Arnd Bergmann wrote:
>
> > If you have a z2 specific config, that would probably not enable CONFIG_OF,
> > which is always turned on for multiplatform, but again that only adds around
> > 250KB in my builds (using gcc-11). This is more than I'd like it to be, but
> > still much less than 1MB.
> >
>
> Maybe it is a bit less; I only compared the size of "Image". Either case,
> it is enough to cause the problem. I am not sure if it is worth the time
> trying to track this down further.

Sure, I'm not worried about the boot regression any more, as that is definitely
explained by the size growth. The only question is whether the patches make
the kernel grow more than it should. The 40+250KB I measured seem
within my expectations, so unless you have specific data showing much
more, I think we're good.

Thanks for all the help!

        Arnd