linux-kernel - Re: [PATCH 1/2] staging: octeon: delete driver

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Date:   Tue, 4 Feb 2020 19:56:58 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Dan Carpenter <dan.carpenter@...cle.com>,
        Matthew Wilcox <willy@...radead.org>
Cc:     Chris Packham <Chris.Packham@...iedtelesis.co.nz>,
        "devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
        "brandonbonaby94@...il.com" <brandonbonaby94@...il.com>,
        "julia.lawall@...6.fr" <julia.lawall@...6.fr>,
        "yuehaibing@...wei.com" <yuehaibing@...wei.com>,
        "paulburton@...nel.org" <paulburton@...nel.org>,
        "aaro.koskinen@....fi" <aaro.koskinen@....fi>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "fw@...len.de" <fw@...len.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "ddaney@...iumnetworks.com" <ddaney@...iumnetworks.com>,
        "bobdc9664@...nam.cz" <bobdc9664@...nam.cz>,
        "sandro@...ery.com" <sandro@...ery.com>,
        "geert@...ux-m68k.org" <geert@...ux-m68k.org>,
        "ivalery111@...il.com" <ivalery111@...il.com>,
        "ynezz@...e.cz" <ynezz@...e.cz>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "wambui.karugax@...il.com" <wambui.karugax@...il.com>
Subject: Re: [PATCH 1/2] staging: octeon: delete driver

On 2/4/20 7:34 PM, Dan Carpenter wrote:
> On Tue, Feb 04, 2020 at 12:31:16PM -0800, Matthew Wilcox wrote:
>> On Tue, Feb 04, 2020 at 08:06:14PM +0000, Chris Packham wrote:
>>> On Tue, 2020-02-04 at 07:09 +0000, gregkh@...uxfoundation.org wrote:
>>>> On Tue, Feb 04, 2020 at 04:02:15AM +0000, Chris Packham wrote:
>>> On Tue, 2020-02-04 at 10:21 +0300, Dan Carpenter wrote:
>>>> My advice is to delete all the COMPILE_TEST code.  That stuff was a
>>>> constant source of confusion and headaches.
>>>
>>> I was also going to suggest this. Since the COMPILE_TEST has been a
>>> source of trouble I was going to propose dropping the || COMPILE_TEST
>>> from the Kconfig for the octeon drivers.
>>
>> Not having it also causes problems.  I didn't originally add it for
>> shits and giggles.
> 
> I wonder if the kbuild bot does enough cross compile build testing these
> days to detect compile problems.  It might have improved to the point
> where COMPILE_TEST isn't required.
> 

Not really. Looking at the build failures in the mainline kernel right now:

Failed builds:
	alpha:allmodconfig
	arm:allmodconfig
	i386:allyesconfig
	i386:allmodconfig
	m68k:allmodconfig
	microblaze:mmu_defconfig
	mips:allmodconfig
	parisc:allmodconfig
	powerpc:allmodconfig
	s390:allmodconfig
	sparc64:allmodconfig

Many of those don't even _have_ specific configurations causing the build failures.

Guenter