From: Andrew Vasquez <andrew.vasquez@qlogic.com>
To: SCSI Mailing List <linux-scsi@vger.kernel.org>,
James Bottomley <James.Bottomley@steeleye.com>
Subject: PATCH [12/15] qla2xxx: RIO/ZIO fixes
Date: Thu, 6 May 2004 22:57:45 -0700 [thread overview]
Message-ID: <20040507055745.GA4960@linux.local.home> (raw)
ChangeSet
1.1933 04/04/30 15:24:16 andrew.vasquez@apc.qlogic.com +1 -0
RIO/ZIO fixes:
o Reduce register access during RIO operation by checking
for a 'dirtied' signature.
o Fix problem where ZIO mode handling could result in a
nasty recursive call-frame.
drivers/scsi/qla2xxx/qla_os.c | 5 +----
1 files changed, 1 insertion(+), 4 deletions(-)
diff -Nru a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
--- a/drivers/scsi/qla2xxx/qla_os.c Mon May 3 15:16:15 2004
+++ b/drivers/scsi/qla2xxx/qla_os.c Mon May 3 15:16:15 2004
@@ -837,7 +837,7 @@
device_reg_t *reg;
reg = ha->iobase;
- if (RD_REG_WORD(ISP_RSP_Q_IN(ha, reg)) != ha->rsp_ring_index) {
+ if (ha->response_ring_ptr->signature != RESPONSE_PROCESSED) {
spin_lock_irqsave(&ha->hardware_lock, flags);
qla2x00_process_response_queue(ha);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
@@ -4243,9 +4243,6 @@
spin_lock_irqsave(&ha->hardware_lock,flags);
qla2x00_process_response_queue(ha);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
-
- if (!list_empty(&ha->done_queue))
- qla2x00_done(ha);
}
/*
reply other threads:[~2004-05-07 5:56 UTC|newest]
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