If an aap has to be placed in AS=1 and it issues an ioctl, kernel needs to be modified ? I guess the PID=0 trick will work when AS is same
right ? On 6/25/09, Kumar Gala <ga...@kernel.crashing.org> wrote: > That is correct. The PID = 0 translations are always valid. > > - k > > On Jun 25, 2009, at 5:51 AM, kernel mailz wrote: > >> So this means >> when kernel gets interrupted by app which may be in PID=5 (say) >> kernel translations for PID=0 remain valid ? >> I am not able to follow Scott >> >> -TZ >> >> On Thu, Jun 25, 2009 at 4:22 AM, Scott Wood<scottw...@freescale.com> >> wrote: >>> kernel mailz wrote: >>>> >>>> But If the app was running with PID=1, interrupt occurs, kernel code >>>> gets executed in PID=1, how does the kernel handle this ? and goes >>>> back to PID=0, since its translations are all in PID=0 >>> >>> PID 0 is special, it's mappings are present regardless of the value >>> of the >>> PID register. >>> >>> -Scott >>> >> _______________________________________________ >> Linuxppc-dev mailing list >> Linuxppc-dev@lists.ozlabs.org >> https://lists.ozlabs.org/listinfo/linuxppc-dev > > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
