Re: [PATCH 3/3] drivers/scsi/NCR5380.c: Replacing yield() with abetter alternative

From: Amol Lad
Date: Thu Oct 12 2006 - 00:26:08 EST



> You want cond_resched() for this driver as its polling the hardware for
> a change that should occur very soon. (Actually you want to throw the
> hardware in the bin)
>

Replaced schedule_timeout_interruptible() with cond_resched()

Signed-off-by: Amol Lad <amol@xxxxxxxxxxxxxxxxxxx>
---
diff -uprN -X linux-2.6.19-rc1-orig/Documentation/dontdiff linux-2.6.19-rc1-orig/drivers/scsi/NCR5380.c linux-2.6.19-rc1/drivers/scsi/NCR5380.c
--- linux-2.6.19-rc1-orig/drivers/scsi/NCR5380.c 2006-09-21 10:15:39.000000000 +0530
+++ linux-2.6.19-rc1/drivers/scsi/NCR5380.c 2006-10-11 17:57:02.000000000 +0530
@@ -347,7 +347,7 @@ static int NCR5380_poll_politely(struct
if((r & bit) == val)
return 0;
if(!in_interrupt())
- yield();
+ cond_resched();
else
cpu_relax();
}


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