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Tasklets have long been deprecated as being too heavy on the system by running in irq context - and this is not a performance critical path. If a higher priority process wants to run, it must wait for the tasklet to finish before doing so. c67x00_do_work() will now run in process context and have further concurrency (tasklets being serialized among themselves), but this is done holding the c67x00->lock, so it should be fine. Furthermore, this patch fixes the usage of the lock in the callback as otherwise it would need to be irq-safe. Signed-off-by: Davidlohr Bueso <dbueso@suse.de> Link: https://lore.kernel.org/r/20210113031537.79859-1-dave@stgolabs.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| .. | ||
| c67x00-drv.c | ||
| c67x00-hcd.c | ||
| c67x00-hcd.h | ||
| c67x00-ll-hpi.c | ||
| c67x00-sched.c | ||
| c67x00.h | ||
| Makefile | ||