linux-kernel - Re: [PATCH 2/2] ata: octeon: Add compile test support

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Date:   Thu, 22 Jun 2023 13:26:23 +0900
From:   Damien Le Moal <dlemoal@...nel.org>
To:     Guenter Roeck <linux@...ck-us.net>, Rob Herring <robh@...nel.org>
Cc:     Sergey Shtylyov <s.shtylyov@....ru>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-ide@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ata: octeon: Add compile test support

On 6/22/23 12:01, Guenter Roeck wrote:
> On 6/21/23 17:57, Damien Le Moal wrote:
>> On 6/22/23 01:51, Guenter Roeck wrote:
>>> On Wed, Jun 14, 2023 at 11:36:33AM -0600, Rob Herring wrote:
>>>> Add COMPILE_TEST to enable building Cavium Octeon drivers in MIPS
>>>> allyesconfig/allmodconfig builds. There's a dependency on MIPS headers,
>>>> so other arches can't be enabled.
>>>>
>>>> Signed-off-by: Rob Herring <robh@...nel.org>
>>>> ---
>>>> Tested on allmodconfig build. Not sure if there's other MIPS configs
>>>> where this doesn't work. We'll see what 0-day says.
>>>
>>> Odd, in next-20230621 I get:
>>>
>>> Building mips:allmodconfig ... failed
>>
>> Indeed odd. Given that this is an allmodconfig, I would assume that
>> CONFIG_CAVIUM_OCTEON_SOC is set ?
>>
> 
> No, it is not. CONFIG_CAVIUM_OCTEON_SOC is a choice option,
> meaning only one of the choices can be set, and mips:allmodconfig
> selects a different choice.

OK. Then I think I need to drop this patch as I do not see how to allow
COMPILE_TEST without CONFIG_CAVIUM_OCTEON_SOC being set.

Rob ?

> 
> Guenter
> 
>>> --------------
>>> Error log:
>>> ERROR: modpost: "__udivdi3" [drivers/ata/pata_octeon_cf.ko] undefined!
>>> ERROR: modpost: "octeon_get_io_clock_rate" [drivers/ata/pata_octeon_cf.ko] undefined!
>>> ERROR: modpost: "__tracepoint_ata_bmdma_stop" [drivers/ata/pata_octeon_cf.ko] undefined!
>>> ERROR: modpost: "__traceiter_ata_bmdma_stop" [drivers/ata/pata_octeon_cf.ko] undefined!
>>> ERROR: modpost: "__divdi3" [drivers/ata/pata_octeon_cf.ko] undefined!
>>> make[2]: [scripts/Makefile.modpost:144: Module.symvers] Error 1 (ignored)
>>> make[2]: *** No rule to make target 'kernel/locking/locktorture.ko', needed by '__modfinal'.  Stop.
>>> make[1]: [Makefile:1933: modules] Error 2 (ignored)
>>>
>>> Guenter
>>
> 

-- 
Damien Le Moal
Western Digital Research