On Wed, 14 Aug 2024 15:32:44 -0700, Unnathi Chalicheemala wrote:
> Currently get_wq_ctx() is wrongly configured as a standard call. When two
> SMC calls are in sleep and one SMC wakes up, it calls get_wq_ctx() to
> resume the corresponding sleeping thread. But if get_wq_ctx() is
> interrupted, goes to sleep and another SMC call is waiting to be allocated
> a waitq context, it leads to a deadlock.
>
> To avoid this get_wq_ctx() must be an atomic call and can't be a standard
> SMC call. Hence mark get_wq_ctx() as a fast call.
>
> [...]
Applied, thanks!
[1/1] firmware: qcom_scm: Mark get_wq_ctx() as atomic call
commit: 9960085a3a82c58d3323c1c20b991db6045063b0
Best regards,
--
Bjorn Andersson <andersson@xxxxxxxxxx>
