Messages in this thread | | | Date | Mon, 28 Oct 2019 08:21:08 -0700 | From | Davidlohr Bueso <> | Subject | Re: [PATCH] staging: vc04_services: replace g_free_fragments_mutex with spinlock |
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On Mon, 28 Oct 2019, Stefan Wahren wrote:
>Hi Davidlohr, > >Am 27.10.19 um 23:15 schrieb Davidlohr Bueso: >> There seems no need to be using a semaphore, or a sleeping lock >> in the first place: critical region is extremely short, does not >> call into any blocking calls and furthermore lock and unlocking >> operations occur in the same context. >> >> Get rid of another semaphore user by replacing it with a spinlock. >> >> Signed-off-by: Davidlohr Bueso <dave@stgolabs.net> >> --- >> This is in an effort to further reduce semaphore users in the kernel. >> >thanks for this. Could please also send this to devel@driverdev.osuosl.org?
Ccing.
> >I only need to know, has this been tested on the Raspberry Pi?
No testing has been done, I have no hardware to test this.
Thanks, Davidlohr
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