Messages in this thread | | | Date | Fri, 29 Sep 2006 19:47:52 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 6/6]: powerpc/cell spidernet refine locking |
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On Fri, 29 Sep 2006 18:29:11 -0500 linas@austin.ibm.com (Linas Vepstas) wrote:
> The transmit side of the spider ethernet driver currently > places locks around some very large chunks of code. This > results in a fair amount of lock contention is some cases. > This patch makes the locks much more fine-grained, protecting > only the cirtical sections. One lock is used to protect > three locations: the queue head and tail pointers, and the > queue low-watermark location.
You have spider_net_set_low_watermark() walking the tx_chain outside tx_chain.lock. Are you sure about that? - 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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