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    SubjectRe: kernel modules and 64-bit kernels
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    Date
    devnetfs <devnetfs@yahoo.com> writes:

    > Do kernel modules need to be aware that they are running in a 64-bit
    > kernel or a 32-bit kernel?

    Yes, if they want to support 32bit programs in a 64bit kernel they
    usually need ioctl translation and sometimes syscall translation
    (if they have own ioctls or syscalls)


    > How should be the modules be written so they work both on 32/64-bit
    > kernel AND can interact with both 32/64-bit userspace programs in
    > a 64-bit kernel??

    http://www.firstfloor.org/~andi/writing-ioctl32


    -Andi
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