Messages in this thread Patch in this message |  | | From | Xiaofei Tan <> | Subject | [PATCH for-next 24/32] scsi: pmcraid: Replace spin_lock_irqsave with spin_lock in hard IRQ | Date | Sun, 7 Feb 2021 19:36:55 +0800 |
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It is redundant to do irqsave and irqrestore in hardIRQ context, where it has been in a irq-disabled context.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> --- drivers/scsi/pmcraid.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index 834556e..5967284 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -4145,7 +4145,6 @@ static irqreturn_t pmcraid_isr_msix(int irq, void *dev_id) { struct pmcraid_isr_param *hrrq_vector; struct pmcraid_instance *pinstance; - unsigned long lock_flags; u32 intrs_val; int hrrq_id; @@ -4170,12 +4169,9 @@ static irqreturn_t pmcraid_isr_msix(int irq, void *dev_id) pmcraid_err("ISR: error interrupts: %x \ initiating reset\n", intrs_val); - spin_lock_irqsave(pinstance->host->host_lock, - lock_flags); + spin_lock(pinstance->host->host_lock); pmcraid_initiate_reset(pinstance); - spin_unlock_irqrestore( - pinstance->host->host_lock, - lock_flags); + spin_unlock(pinstance->host->host_lock); } /* If interrupt was as part of the ioa initialization, * clear it. Delete the timer and wakeup the -- 2.8.1
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