RE: [PATCH 2/2] powerpc/dma/raidengine: enable Freescale RaidEngine device

Hi Dan & vinod, Do you have any comments about this patch? Thanks, Forrest -Original Message- From: Shi Xuelin-B29237 Sent: 2012年11月21日 17:01 To: dan.j.willi...@gmail.com; vinod.k...@intel.com; linuxppc-dev@lists.ozlabs.org; linux-ker...@vger.kernel.org Cc: i...@ovro.caltech.edu;

RE: [PATCH] DMA/RaidEngine: Enable FSL RaidEngine

Hi Dan, Do you have any comments about this RaidEngine patch? Thanks, Forrest -Original Message- From: Linuxppc-dev [mailto:linuxppc-dev-bounces+qiang.liu=freescale@lists.ozlabs.org] On Behalf Of Shi Xuelin-B29237 Sent: 2012年8月22日 14:24 To: dan.j.willi...@gmail.com; vinod.k

RE: [PATCH] fsldma: fix performance degradation by optimizing spinlock use.

Hi Dan Williams, Do you have any comment about this patch? Thanks, Forrest -Original Message- From: Ira W. Snyder [mailto:i...@ovro.caltech.edu] Sent: 2012年1月12日 0:14 To: Shi Xuelin-B29237 Cc: vinod.k...@intel.com; dan.j.willi...@intel.com; linuxppc-dev@lists.ozlabs.org; linux-ker

RE: [PATCH] fsldma: fix performance degradation by optimizing spinlock use.

Xuelin-B29237 Sent: 2011年12月26日 14:01 To: i...@ovro.caltech.edu; vinod.k...@intel.com; dan.j.willi...@intel.com; linuxppc-dev@lists.ozlabs.org; linux-ker...@vger.kernel.org Cc: Shi Xuelin-B29237 Subject: [PATCH] fsldma: fix performance degradation by optimizing spinlock use. From: Forrest shi

RE: [PATCH] dmaengine: async_xor, fix zero address issue when xor highmem page

Hello Dan Williams, Do you have any comment about this patch? Thanks, Forrest -Original Message- From: Shi Xuelin-B29237 Sent: 2011年12月27日 14:31 To: vinod.k...@intel.com; dan.j.willi...@intel.com; linuxppc-dev@lists.ozlabs.org; linux-ker...@vger.kernel.org; Li Yang-R58472 Cc: Shi

RE: [PATCH][RFC] fsldma: fix performance degradation by optimizing spinlock use.

this function returns, I believe the memory access are completed. spin_unlock_irqsave is an implicit memory barrier and guaranteed this. Thanks, Forrest -Original Message- From: Ira W. Snyder [mailto:i...@ovro.caltech.edu] Sent: 2011年12月3日 1:14 To: Shi Xuelin-B29237 Cc: vinod.

RE: [PATCH][RFC] fsldma: fix performance degradation by optimizing spinlock use.

ech.edu] Sent: 2011年12月1日 1:08 To: Shi Xuelin-B29237 Cc: vinod.k...@intel.com; dan.j.willi...@intel.com; linuxppc-dev@lists.ozlabs.org; linux-ker...@vger.kernel.org; Li Yang-R58472 Subject: Re: [PATCH][RFC] fsldma: fix performance degradation by optimizing spinlock use. On Wed, Nov 30, 2011 at 09:5

RE: [PATCH][RFC] fsldma: fix performance degradation by optimizing spinlock use.

Re: [PATCH][RFC] fsldma: fix performance degradation by > > optimizing spinlock use. > > > > On Thu, Nov 24, 2011 at 08:12:25AM +, Shi Xuelin-B29237 wrote: > > > Hi Ira, > > > > > > Thanks for your review. > > > > > > After seco

RE: [PATCH][RFC] fsldma: fix performance degradation by optimizing spinlock use.

Hi Ira, see my comments below. Thanks, Forrest -Original Message- From: Ira W. Snyder [mailto:i...@ovro.caltech.edu] Sent: 2011年11月29日 0:38 To: Shi Xuelin-B29237 Cc: vinod.k...@intel.com; dan.j.willi...@intel.com; linuxppc-dev@lists.ozlabs.org; Li Yang-R58472; linux-ker

RE: [PATCH][RFC] fsldma: fix performance degradation by optimizing spinlock use.

->common.cookie is definitely wrote as 20 and cpu2 could not read as 19. How do you think? Happy Thanks Giving day, Forrest -Original Message- From: Ira W. Snyder [mailto:i...@ovro.caltech.edu] Sent: 2011年11月23日 2:59 To: Shi Xuelin-B29237 Cc: dan.j.willi...@intel.com; Li Yang-R58472; z...