Hi, Vinod, Dan, ping? > -----Original Message----- > From: linux-crypto-owner@xxxxxxxxxxxxxxx [mailto:linux-crypto- > owner@xxxxxxxxxxxxxxx] On Behalf Of qiang.liu@xxxxxxxxxxxxx > Sent: Friday, July 27, 2012 5:16 PM > To: linux-crypto@xxxxxxxxxxxxxxx; vinod.koul@xxxxxxxxx; > dan.j.williams@xxxxxxxxx; herbert@xxxxxxxxxxxxxxxxxxxx; linuxppc- > dev@xxxxxxxxxxxxxxxx > Cc: Li Yang-R58472; Phillips Kim-R1AAHA > Subject: [PATCH v4 0/7] Raid: enable talitos xor offload for improving > performance > > Hi, > > The following 7 patches enabling fsl-dma and talitos offload raid > operations for improving raid performance and balancing CPU load. > > Write performance will be improved by 25-30% tested by iozone. > Write performance is improved about 2% after using spin_lock_bh replace > spin_lock_irqsave. > CPU load will be reduced by 8%. > > Changes in V4: > - fix an error in talitos when dest addr is same with src addr, > dest > should be freed only one time if src is same with dest addr; > - correct coding style in fsl-dma according to Ira's comments; > - fix a race condition in fsl-dma fsl_tx_status(), remove the > interface > which is used to free descriptors in queue ld_completed, this > interface > has been included in fsldma_cleanup_descriptor(), in v3, there is > one > place missed spin_lock protect; > - split the original patch 3/4 up to 2 patches 3/7 and 4/7 > according to > Li Yang's comments. > - fix a warning of unitialized cookie; > - add memory copy self test in fsl-dma; > - add more detail description about use spin_lock_bh() to instead > of > spin_lock_irqsave() according to Timur's comments; > > Changes in v3: > - change release process of fsl-dma descriptor for resolve the > potential race condition > - add test result when use spin_lock_bh replace spin_lock_irqsave > - modify the benchmark results according to the latest patch > > Changes in v2: > - rebase onto cryptodev tree > - split the patch 3/4 up to 3 independent patches > - remove the patch 4/4, the fix is not for cryptodev tree > > > Qiang Liu (4): > Talitos: Support for async_tx XOR offload > fsl-dma: remove attribute DMA_INTERRUPT of dmaengine > fsl-dma: change release process of dma descriptor for supporting > async_tx > fsl-dma: use spin_lock_bh to instead of spin_lock_irqsave > > Qiang Liu (7): > Talitos: Support for async_tx XOR offload > fsl-dma: remove attribute DMA_INTERRUPT of dmaengine > fsl-dma: change release process of dma descriptor for supporting > async_tx > fsl-dma: move the function ahead of its invoke function > fsl-dma: use spin_lock_bh to instead of spin_lock_irqsave > fsl-dma: fix a warning of unitialized cookie > fsl-dma: add memcpy self test interface > > drivers/crypto/Kconfig | 9 + > drivers/crypto/talitos.c | 413 ++++++++++++++++++++++++++++++++++ > drivers/crypto/talitos.h | 53 +++++ > drivers/dma/fsldma.c | 550 +++++++++++++++++++++++++++++----------- > ------ > drivers/dma/fsldma.h | 1 + > 5 files changed, 822 insertions(+), 204 deletions(-) > > -- > To unsubscribe from this list: send the line "unsubscribe linux-crypto" > in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
