Alan writes:
The current partitioning code consists of re-reading from disk. That is
code that has to be present anyway even without an initrd since it is
needed for mounting other filesystems
I am not quite sure what you are saying here.
(For example, the "even" was unexpected.)
It is entirely possible to remove all partition table handling code
from the kernel. User space can figure out where the partitions
are supposed to be and tell the kernel.
For the initial boot this user space can be in an initrd,
or it could just be a boot parameter: rootdev=/dev/hda,
rootpartition:offset=N,length=L, rootfstype=ext3.
mount does not need any partition reading code.
Andries
[I conjecture that we'll want to start moving partition parsing
out into userspace fairly soon. Indeed, soon we'll see EFI everywhere,
and there is no good reason to build knowledge about that into the kernel.]
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