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

2012-01-26 Thread Dan Williams
j.willi...@intel.com; > linuxppc-dev@lists.ozlabs.org; linux-ker...@vger.kernel.org; Li Yang-R58472 > Cc: Shi Xuelin-B29237 > Subject: [PATCH] dmaengine: async_xor, fix zero address issue when xor > highmem page > > From: Forrest shi > >        we may do_sync_xor high mem pa

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

2012-01-10 Thread Shi Xuelin-B29237
Xuelin-B29237 Subject: [PATCH] dmaengine: async_xor, fix zero address issue when xor highmem page From: Forrest shi we may do_sync_xor high mem pages, in this case, page_address will return zero address which cause a failure. this patch uses kmap_atomic before xor the pages

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

2011-12-26 Thread b29237
From: Forrest shi we may do_sync_xor high mem pages, in this case, page_address will return zero address which cause a failure. this patch uses kmap_atomic before xor the pages and kunmap_atomic after it. Signed-off-by: b29...@freescale.com --- crypto/a