> On Jan 3, 2017, at 8:04 PM, Pradeepa Kumar <cdprade...@gmail.com> wrote: > > Hi experts > > down vote > favorite > in my 64 bit kernel, I have a custom kernel module providing new protocol and > providing socket system calls. > > it works fine when 64 bit app runs. > > i am seeing issues when 32 bit app runs (for exp recvmsg() call does not work > if msg has cmsghdrs as struct size of cmsghdr is different in 32 bit and 64 > bit). > > This is because my custom kernel module does not have 32 bit compatibility > layer ( but linux kernel has this in compat.c etc). > > is it simple to add compatibility layer to my custom kernel module > > All you have to do is add compat_ioctl call to your driver. > how do i do this (any links ?) > > You can see many drivers supports compat call. > Thanks > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@kernelnewbies.org > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
_______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
