Messages in this thread Patch in this message | | | Date | Thu, 18 Sep 2003 16:25:22 -0700 | From | Chris Wright <> | Subject | [PATCH 1/13] use cpu_relax() in busy loop |
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Replace busy loop barrier() with cpu_relax().
This is bordering on a gratuitous change given the arm def'n of cpu_relax(). But I was fixing up other busy loops, and my grep found this one.
===== drivers/scsi/arm/acornscsi.c 1.35 vs edited ===== --- 1.35/drivers/scsi/arm/acornscsi.c Mon Aug 25 06:37:34 2003 +++ edited/drivers/scsi/arm/acornscsi.c Thu Sep 18 11:48:26 2003 @@ -319,7 +319,7 @@ local_save_flags(flags); local_irq_enable(); - while (time_before(jiffies, target_jiffies)) barrier(); + while (time_before(jiffies, target_jiffies)) cpu_relax(); local_irq_restore(flags); } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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