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qcacmn: Do not schedule a work before reschedulign tasklet

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Current wifi driver breaks tasklet storm by scheduling a work
whenever wifi driver tasklet reschedules itself to avoid excessive
tasklet storm and wd barks as a side effect. Remove work scheduling
from tasklet reschedule such that tasklets can be rescheduled as
fast as possible and reap CE rings as fast as possible and let linux
kernel handle the tasklet storm by bringing in ksoftirqd as needed.

Change-Id: I985369f534c09903b2d269f858adb88640e4fd2f
Crs-Fixed: 2325935
This commit is contained in:
Rajeev Kumar 2018-09-27 16:23:10 -07:00 • committed by nshrivas
commit 1de8fdf2ab
1 changed files with 0 additions and 17 deletions
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17
hif/src/ce/ce_tasklet.c
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@ -128,22 +128,6 @@ void deinit_tasklet_workers(struct hif_opaque_softc *scn)
work_initialized = false;
}
#ifdef HIF_CONFIG_SLUB_DEBUG_ON
/**
* ce_schedule_tasklet() - schedule ce tasklet
* @tasklet_entry: struct ce_tasklet_entry
*
* Return: N/A
*/
static inline void ce_schedule_tasklet(struct ce_tasklet_entry *tasklet_entry)
{
if (work_initialized && (tasklet_entry->ce_id < CE_ID_MAX))
schedule_work(&tasklet_workers[tasklet_entry->ce_id].work);
else
HIF_ERROR("%s: work_initialized = %d, ce_id = %d",
__func__, work_initialized, tasklet_entry->ce_id);
}
#else
/**
* ce_schedule_tasklet() - schedule ce tasklet
* @tasklet_entry: struct ce_tasklet_entry
@ -154,7 +138,6 @@ static inline void ce_schedule_tasklet(struct ce_tasklet_entry *tasklet_entry)
{
tasklet_schedule(&tasklet_entry->intr_tq);
}
#endif
/**
* ce_tasklet() - ce_tasklet