On Tue, 2007-10-30 at 23:18 -0600, Grant Likely wrote: > On 10/30/07, Bai Shuwei <[EMAIL PROTECTED]> wrote: > > Hi, everyone > > As we know, the program on the X86 can run on the differnt ring(0, 1, 2, > > 3) and the linux kernel run in the ring 0 and user program in the ring 3. > > And now I want to know wether there is a simple mechanism on the PowerPC > > architecture? thx all! > > Powerpc has 2 privilege levels; user and supervisor. The kernel runs > in supervisor mode, and user-space runs in user mode.
To be complete here, some implementations have 3 :-) Don't forget hypervisor mode ! Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
