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Groups > linux.kernel > #1246853
| From | Vinod Koul <vinod.koul@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] dmaengine: xgene-dma: Remove memcpy offload support due to performance drop |
| Date | 2015-10-14 16:50 +0200 |
| Message-ID | <qjvxp-1x9-45@gated-at.bofh.it> (permalink) |
| References | <qjuL2-k6-47@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Oct 14, 2015 at 07:25:07PM +0530, Rameshwar Prasad Sahu wrote: > The DMA engine supports memory copy, RAID5 XOR, RAID6 PQ, and other > computations. But the bandwidth of the entire DMA engine is shared > among all channels. This patch re-configures operations availability > such that one can achieve maximum performance for XOR and PQ > computation by removing the memory offload operations. Applied, thanks -- ~Vinod -- 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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[PATCH] dmaengine: xgene-dma: Remove memcpy offload support due to performance drop Rameshwar Prasad Sahu <rsahu@apm.com> - 2015-10-14 16:00 +0200 Re: [PATCH] dmaengine: xgene-dma: Remove memcpy offload support due to performance drop Vinod Koul <vinod.koul@intel.com> - 2015-10-14 16:50 +0200
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