[systemd-devel] [systemd-commits] 3 commits - .gitignore Makefile.am src/bootchart src/core src/efi-boot-generator src/shared

[Colin Guthrie]

'Twas brillig, and Kay Sievers at 21/01/13 11:03 did gyre and gimble:
> On Mon, Jan 21, 2013 at 7:29 AM, Andrey Borzenkov <arvidjaar at gmail.com> wrote:
> 
>>> commit f4ce2b3e5ce93b83f14f8785e205ebb5a9b8c1df
>>> Author: Lennart Poettering <lennart at poettering.net>
>>> Date:   Mon Jan 21 01:02:53 2013 +0100
>>>
>>>     efi: add efi boot generator that automatically mounts the ESP to /boot
>>
>> Has something changed? ESP has always been mounted on /boot/efi, and
>> mounting it on /boot is plain wrong; ESP is shared resource for all OS
>> installed, not private space to place files of this specific
>> installation.
> 
> The Linux kernel acts as an EFI boot loader, if copied to the ESP it
> can be directly executed by the EFI firmware.
> 
> The initramfs and the kernel live in a vendor sub-directory in the ESP
> and are read directly by EFI code, and there is no need for grub2, any
> other additional filesystem driver, raid, network setup, or whatever
> additional code people think they would need to bring up all sorts of
> systems.
> 
> The kernel itself with the initramfs can boot everything, has all the
> filesystem access which is ever needed, there is no need for anything
> else on EFI machines. Even the craziest setups can boot directly out
> of the firmware that way.
> 
> It's the simplest and most efficient setup a system can have.
> 
> And "plain wrong" is the sick game which is called grub2, not mounting
> the EFI partition at /boot. :)

Forgive the noob question (as I have no EFI h/w to be bothered to learn
this stuff!), but if What Andrey says is correct would this mean we
cannot have two separate installs without sharing the same /boot? (or
even a Windows install assuming it uses that space too?). Can you
comment on those kind of set ups?

Col


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Colin Guthrie
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