linux-kernel - Re: Build regressions/improvements in v5.4-rc2

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Date:   Mon, 7 Oct 2019 16:41:08 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        David Daney <david.daney@...ium.com>
Subject: Re: Build regressions/improvements in v5.4-rc2

On 10/7/19 2:04 PM, Geert Uytterhoeven wrote:
> Hi Randy,
> 
> On Mon, Oct 7, 2019 at 10:48 PM Randy Dunlap <rdunlap@...radead.org> wrote:
>> On 10/7/19 12:18 AM, Geert Uytterhoeven wrote:
>>> Below is the list of build error/warning regressions/improvements in
>>> v5.4-rc2[1] compared to v5.3[2].
>>>
>>> Summarized:
>>>   - build errors: +10/-3
>>>   - build warnings: +152/-143
>>>
>>> JFYI, when comparing v5.4-rc2[1] to v5.4-rc1[3], the summaries are:
>>>   - build errors: +5/-10
>>>   - build warnings: +44/-133
>>>
>>> Note that there may be false regressions, as some logs are incomplete.
>>> Still, they're build errors/warnings.
>>>
>>> Happy fixing! ;-)
>>>
>>> Thanks to the linux-next team for providing the build service.
>>>
>>> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/da0c9ea146cbe92b832f1b0f694840ea8eb33cce/ (233 out of 242 configs)
>>> [2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/4d856f72c10ecb060868ed10ff1b1453943fc6c8/ (all 242 configs)
>>> [3] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/54ecb8f7028c5eb3d740bb82b0f1d90f2df63c5c/ (233 out of 242 configs)
>>>
>>>
>>> *** ERRORS ***
>>>
>>> 10 error regressions:
>>
>>>   + error: "__delay" [drivers/net/phy/mdio-cavium.ko] undefined!:  => N/A
>>
>> Hi Geert,
>>
>> What arch & config is the above build error from?
> 
> That was a new one in v5.4-rc1 for sh-allmodconfig (blamed on David Daney).

so it seems arch/sh/ needs include/asm/delay.h that at least does
#include <asm-generic/delay.h>

eh?

>> Sorry to bug you about this.
> 
> Np.


-- 
~Randy