diff options
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr_fw.c')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_fw.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 8fe6e0bf342e..869e525f3e73 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -21,6 +21,10 @@ static int mpi3mr_check_op_admin_proc(struct mpi3mr_ioc *mrioc); static int poll_queues; module_param(poll_queues, int, 0444); MODULE_PARM_DESC(poll_queues, "Number of queues for io_uring poll mode. (Range 1 - 126)"); +static bool threaded_isr_poll = true; +module_param(threaded_isr_poll, bool, 0444); +MODULE_PARM_DESC(threaded_isr_poll, + "Enablement of IRQ polling thread (default=true)"); #if defined(writeq) && defined(CONFIG_64BIT) static inline void mpi3mr_writeq(__u64 b, void __iomem *addr, @@ -595,7 +599,8 @@ int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc, * Exit completion loop to avoid CPU lockup * Ensure remaining completion happens from threaded ISR. */ - if (num_op_reply > mrioc->max_host_ios) { + if ((num_op_reply > mrioc->max_host_ios) && + (threaded_isr_poll == true)) { op_reply_q->enable_irq_poll = true; break; } @@ -692,7 +697,7 @@ static irqreturn_t mpi3mr_isr(int irq, void *privdata) * If more IOs are expected, schedule IRQ polling thread. * Otherwise exit from ISR. */ - if (!intr_info->op_reply_q) + if ((threaded_isr_poll == false) || !intr_info->op_reply_q) return ret; if (!intr_info->op_reply_q->enable_irq_poll || |