海思平台程序运行出现copy_to_iter_bvec 错误，以及内核分页错误

错误日志
Unable to handle kernel paging request at virtual address 0a209001
pgd = dbd38000
[0a209001] *pgd=00000000
Internal error: Oops: 805 [#3] SMP ARM
Modules linked in: nvp6124_ex(O) gpioi2c(O) hi3531a_adec(PO) hi3531a_aenc(PO) hi3531a_ao(PO) hi3531a_ai(PO) hi3531a_aio(PO) hi_rtc(O) hi3531a_ive(PO) hi3531a_vda(PO) hi3531a_h264e(PO) hi3531a_chnl(PO) hi3531a_venc(PO) hi3531a_rc(PO) hi3531a_hdmi(PO) hifb(PO) hi3531a_vou(PO) hi3531a_vpss(PO) hi3531a_viu(PO) hi3531a_vgs(PO) hi3531a_region(PO) hi3531a_tde(PO) hi3531a_vfmw(PO) hi3531a_vdec(PO) hi3531a_sys(PO) hi3531a_base(PO) hi_media(O) hiuser(O) mmz(O) [last unloaded: gpioi2c]
CPU: 0 PID: 1299 Comm: DvrUi2 Tainted: P      D    O 3.10.0 #30
task: df02b100 ti: dec3e000 task.ti: dec3e000
PC is at memcpy+0xcc/0x330
LR is at copy_to_iter_bvec+0x64/0x12c
pc : []    lr : []    psr: 80000013
sp : dec3fe04  ip : 00000000  fp : 00000001
r10: 00000001  r9 : dec3fe94  r8 : dec3fed8
r7 : 00000000  r6 : df2a7001  r5 : 0a209000  r4 : 00000001
r3 : 00000000  r2 : 80000000  r1 : df2a7001  r0 : 0a209001
Flags: Nzcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 10c53c7d  Table: 5bd3804a  DAC: 00000015

原因是因为内核缺陷导致的问题。并附有内核补丁
http://blog.csdn.net/lizhu_csdn/article/details/54922769