hi, zhangfx thank you for your tips. By implementing a compact_ioctl function, I have succeed solved this problem(At least not reporting error if not solved it).
On 12月11日, 下午11时37分, zhangfx <zhan...@lemote.com> wrote: > If you are using 64bit kernel,you need to handle the 32 bit ioctl. Ioctl > number often related to a type size,while the same type might have different > size for 32bit usrrland and 64bit kernal,so we often need compact_ioctl to > translate. Lots of samples in drivers. > 李晖 <lihui205...@gmail.com>编写： > hi,all I am porting android to loongson2f, but when I boot the system, the > kernel panic, by adding printf statement, I found that when the android file > system init the ashmem failed. The following is the calling path of init > program: main ->property_ini t->init_property_area ->init_workspace -> > ashmem_create_region ->ioctl(fd, ASHMEM_SET_SIZE, size) the implementation of > ashmem_create_region function is in system/core/ libcutils/ashmem-dev.c the > default size param of ioctl is 32768, and the linux kernel page size is 16k > (16384), so, I change the size param to 16384, but this function failed > again. did anyone come across this problem, any idea or information is > appreciated! andy -- You received this message because you are subscribed to > the Google Groups "loongson-dev" group. To post to this group, send email to > loongson-dev@googlegroups.com. To unsubscribe from this group, send email to > loongson-dev+unsubscr...@googlegroups.com. For more options, visit this group > at http://groups.google.com/group/loongson-dev?hl=en. -- You received this message because you are subscribed to the Google Groups "loongson-dev" group. To post to this group, send email to loongson-dev@googlegroups.com. To unsubscribe from this group, send email to loongson-dev+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/loongson-dev?hl=en.
