;
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 b29...@freescale.com
we may do_sync_xor high mem pages, in this case, page_address
Xuelin-B29237
Subject: [PATCH] dmaengine: async_xor, fix zero address issue when xor highmem
page
From: Forrest shi b29...@freescale.com
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
From: Forrest shi b29...@freescale.com
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:
