Re: [PATCH 2/2] x86: move gds_ucode_mitigated() declaration to header

From: Daniel Sneddon
Date: Wed Aug 09 2023 - 15:23:57 EST


On 8/9/23 11:26, Arnd Bergmann wrote:
> On Wed, Aug 9, 2023, at 18:54, Daniel Sneddon wrote:
>> HI Arnd,
>>
>> On 8/9/23 06:05, Arnd Bergmann wrote:
>>> From: Arnd Bergmann <arnd@xxxxxxxx>
>>>
>>> The declaration got placed in the .c file of the caller, but that
>>> causes a warning for the definition:
>>>
>>> arch/x86/kernel/cpu/bugs.c:682:6: error: no previous prototype for 'gds_ucode_mitigated' [-Werror=missing-prototypes]
>>
>> When I build with gcc 9.4 and the x86_64_defconfig I don't see this warning even
>> without this patch. I'm curious why you're seeing it and I'm not. Any ideas?
>
> The warning is currently disabled by default, unless you build with
> 'make W=1'. I'm in the process of getting my last patches out to
> change this so the warning is enabled by default though, so I was
> phrasing this based on the future behavior. Sorry if this was confusing.
>
> Arnd

That explains why I wasn't seeing it.

Feel free to add:
Tested-by: Daniel Sneddon <daniel.sneddon@xxxxxxxxxxxxxxx>

Thanks,
Dan