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Date: Wed, 11 Oct 2006 18:24:03 +0530
From: Amol Lad <amol@...ismonetworks.com>
To: linux kernel <linux-kernel@...r.kernel.org>
Cc: James.Bottomley@...eleye.com,
kernel Janitors <kernel-janitors@...ts.osdl.org>
Subject: [PATCH 2/3] drivers/scsi/megaraid.c: Replacing yield() with a
better alternative
For this driver cond_resched() seems to be a better
alternative
Signed-off-by: Amol Lad <amol@...ismonetworks.com>
---
diff -uprN -X linux-2.6.19-rc1-orig/Documentation/dontdiff linux-2.6.19-rc1-orig/drivers/scsi/megaraid.c linux-2.6.19-rc1/drivers/scsi/megaraid.c
--- linux-2.6.19-rc1-orig/drivers/scsi/megaraid.c 2006-10-05 14:00:51.000000000 +0530
+++ linux-2.6.19-rc1/drivers/scsi/megaraid.c 2006-10-11 17:57:02.000000000 +0530
@@ -1755,7 +1755,8 @@ __mega_busywait_mbox (adapter_t *adapter
for (counter = 0; counter < 10000; counter++) {
if (!mbox->m_in.busy)
return 0;
- udelay(100); yield();
+ udelay(100);
+ cond_resched();
}
return -1; /* give up after 1 second */
}
-
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