Re: patch for Documentation/initrd.txt?

[Al Boldi]

H. Peter Anvin wrote:
> Al Boldi wrote:
> > H. Peter Anvin wrote:
> >> Al Boldi wrote:
> >>> Thanks for your very useful docPatch!
> >>>
> >>> OT, but your docPatch made me think of another way to init the kernel;
> >>> via tmpfs, i.e. initTmpFS.
> >>>
> >>> Can anybody see how that could be useful?
> >>
> >> Useful, yes, but this has turned out to be fairly complex.
> >
> > Sounds like somebody tried this before?
>
> Several people, yes.

This http://marc.theaimsgroup.com/?l=linux-kernel&m=107013630212011&w=4 looks 
rather trivial.

What am I missing here?

> >> tmpfs needs
> >> a *LOT* more of the system to be fully operational than ramfs, and the
> >> rootfs is initialized very early on, since one of its purposes is to
> >> eliminate special cases.
> >
> > So would it be possible to remap rootfs from ramfs to tmpfs, once tmpfs
> > is initialized, without actually doing another cpio?
>
> That sounds nasty.

I would call it an obvious hack, if it is necessary at all.  Plus it's only 
to kickstart things.

BTW, your pxebooter is great!

Thanks!

--
Al

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