On Wed, May 26, 2021 at 11:23 AM Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote: > > Menglong Dong <menglong8.dong@xxxxxxxxx> writes: > [...] > > If we are going to do this something that is so small and clean it can > be done unconditionally always. > > I will see if I can dig in and look at little more. I think there is > a reason Al Viro and H. Peter Anvin implemeted initramfs this way. > Perhaps it was just a desire to make pivot_root unnecessary. I don't think they are meant to make it this way. Unpack cpio to the rootfs directly seems to be a normal operation. Maybe initramfs is just ignored by pivot_root(), as it seems not a common scene to run the whole system in RAM that time, I guess~ Thanks! Menglong Dong
