On 12/17/2015 08:57 PM, Himanshu Madhani wrote:
From: Quinn Tran <quinn.t...@qlogic.com>queue work element to specific process lessen cache miss Signed-off-by: Quinn Tran <quinn.t...@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madh...@qlogic.com> --- drivers/scsi/qla2xxx/qla_isr.c | 2 +- drivers/scsi/qla2xxx/qla_target.c | 13 ++++++++++++- drivers/scsi/qla2xxx/tcm_qla2xxx.c | 4 ++-- drivers/target/target_core_transport.c | 5 ++++- include/target/target_core_base.h | 1 + 5 files changed, 20 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index cf0fe8e..3e89122 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -3302,7 +3302,7 @@ static void qla_irq_affinity_notify(struct irq_affinity_notify *notify, } } -void qla_irq_affinity_release(struct kref *ref) +static void qla_irq_affinity_release(struct kref *ref) { struct irq_affinity_notify *notify = container_of(ref, struct irq_affinity_notify, kref); diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 9a4aed0..d3cd271 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -3982,13 +3982,24 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha, cmd->cmd_in_wq = 1; cmd->cmd_flags |= BIT_0; + cmd->se_cmd.cpuid = -1;
Please use WORK_CPU_UNBOUND instead of -1. That will allow to convert the if (cpuid == -1) queue_work() else queue_work_on() constructs into a single queue_work_on() call.
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