Re: git: 9d18115ca0ab - main - sound: Retire snd_mtx* wrappers

From: Christos Margiolis <christos_at_freebsd.org>
Date: Fri, 21 Nov 2025 23:50:19 UTC
On Fri Nov 21, 2025 at 9:46 PM CET, Shawn Webb wrote:
> On Fri, Nov 21, 2025 at 08:45:27PM +0000, Shawn Webb wrote:
>> On Fri, Nov 21, 2025 at 04:15:03PM +0000, Christos Margiolis wrote:
>> > The branch main has been updated by christos:
>> > 
>> > URL: https://cgit.FreeBSD.org/src/commit/?id=9d18115ca0ab0ef3f34173d4e2bdabec916d0b60
>> > 
>> > commit 9d18115ca0ab0ef3f34173d4e2bdabec916d0b60
>> > Author:     Christos Margiolis <christos@FreeBSD.org>
>> > AuthorDate: 2025-11-21 16:14:33 +0000
>> > Commit:     Christos Margiolis <christos@FreeBSD.org>
>> > CommitDate: 2025-11-21 16:14:47 +0000
>> > 
>> >     sound: Retire snd_mtx* wrappers
>> >     
>> >     Do not create mutexes with snd_mtxcreate(). It doesn't provide any
>> >     value, plus it first allocates the mutex with malloc(9). Allocate
>> >     mutexes in the stack and use mtx_* functions directly instead of the
>> >     snd_mtx* wrappers.
>> >     
>> >     Sponsored by:   The FreeBSD Foundation
>> >     MFC after:      1 week
>> >     Reviewed by:    kib, markj
>> >     Differential Revision:  https://reviews.freebsd.org/D53855
>> 
>> Hey Christos,
>> 
>> I'm getting the following error on buildkernel:
>> 
>> ==== BEGIN LOG ====
>> /usr/src/sys/dev/sound/pci/hdspe-pcm.c:726:3: error: call to undeclared function 'snd_mtxunlock'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
>>   726 |                 snd_mtxunlock(sc->lock);
>>       |                 ^
>> 1 error generated.
>> --- hdspe-pcm.o ---
>> ==== END LOG ====
>
> Never mind. I didn't realize HardenedBSD had a change to that file.
> Sorry for the noise!

So all good? Out of curiousity, what change is there on HardenedBSD?

Christos