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SubjectRe: [v3,17/19] arch/sparc: Implement fb_is_primary_device() in source file
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On 6/24/23 02:27, Arnd Bergmann wrote:
> On Sat, Jun 24, 2023, at 03:55, Guenter Roeck wrote:
>>
>> On Mon, Apr 17, 2023 at 02:56:49PM +0200, Thomas Zimmermann wrote:
>>> Other architectures implment fb_is_primary_device() in a source
>>> file. Do the same on sparc. No functional changes, but allows to
>>> remove several include statement from <asm/fb.h>.
>>>
>>> v2:
>>> * don't include <asm/prom.h> in header file
>>>
>>> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
>>> Cc: "David S. Miller" <davem@davemloft.net>
>>
>> This patch results (or appears to result) in the following build error
>> when trying to build sparc64:allmodconfig.
>>
>> Error log:
>> <stdin>:1519:2: warning: #warning syscall clone3 not implemented [-Wcpp]
>> WARNING: modpost: drivers/cpufreq/sparc-us2e-cpufreq: section mismatch
>> in reference: cpufreq_us2e_driver+0x20 (section: .data) ->
>> us2e_freq_cpu_init (section: .init.text)
>> WARNING: modpost: drivers/cpufreq/sparc-us3-cpufreq: section mismatch
>> in reference: cpufreq_us3_driver+0x20 (section: .data) ->
>> us3_freq_cpu_init (section: .init.text)
>> ERROR: modpost: "__xchg_called_with_bad_pointer" [lib/atomic64_test.ko]
>> undefined!
>
> These all look like old bugs that would be trivially fixed if
> anyone cared about sparc.
>

Odd argument, given that this _is_ a sparc patch. Those may be old
bugs, but at least in 6.4-rc7 sparc64:allmodconfig does at least compile.

Sure, I can stop build testing it if that is where things are going.

Guenter

>> ERROR: modpost: missing MODULE_LICENSE() in arch/sparc/video/fbdev.o
>
> I checked that there are no callers of fb_is_primary_device()
> in built-in code when CONFIG_FB is =m, so adding the MODULE_LICENSE()
> and MODULE_DESCRIPTION() tags to the file is the correct fix.
>
> Arnd

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