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Date:      Mon, 1 Mar 2021 11:56:40 -0500
From:      Nathan Whitehorn <nwhitehorn@freebsd.org>
To:        Kyle Evans <kevans@freebsd.org>
Cc:        Brandon Bergren <bdragon@freebsd.org>, Warner Losh <imp@bsdimp.com>, Kevin Bowling <kevin.bowling@kev009.com>, Jessica Clarke <jrtc27@freebsd.org>, Colin Percival <cperciva@tarsnap.com>, src-committers <src-committers@freebsd.org>, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org
Subject:   Re: git: 0b7472b3d8d2 - main - Mount the EFI system partition (ESP) on newly-installed systems.
Message-ID:  <6a409997-24b7-1e25-33b6-a866c3790c5a@freebsd.org>
In-Reply-To: <CACNAnaHkN5%2BskX4WUJuVhHoe11sp7iSeh9q9hg4jxrHBBCb_1Q@mail.gmail.com>
References:  <202102232124.11NLOT27012354@gitrepo.freebsd.org> <dc61048c-2cfa-0ff5-0470-e93aa5233aae@freebsd.org> <583f83d8-c78b-d961-d2c5-9693bd36563b@freebsd.org> <743fd126-2077-49b1-9c85-7ccc61616b98@www.fastmail.com> <460ceb98-e0c1-42b3-8e3c-2587c5ce8398@www.fastmail.com> <F4E1978D-DE96-4082-885F-D6686A5D005C@freebsd.org> <CANCZdfpw1%2BsjHVPH4zahywMsLHJ1jKWbnd5A3RjGinu=nQFSGA@mail.gmail.com> <a30870ef-00b1-40b6-b378-033d8737c7e4@www.fastmail.com> <CANCZdfqPNf-RW=-T9qk5a4o-rX3CWFVGz0H_hTav-CqnW9JJ=Q@mail.gmail.com> <CAK7dMtD9k5FscvG754tLO6ZeTm5%2Bru87F06O8%2BH3bVJqVjf9iQ@mail.gmail.com> <CANCZdfrej=mY0uZnY4Cg0PxTtPjJdCUVsM2trBO83z--Qks7JA@mail.gmail.com> <8215cd95-6905-49da-ab07-65796845613c@www.fastmail.com> <c9c1db40-4aff-e0c6-284f-96a4c1482cd8@freebsd.org> <CACNAnaEJUL%2BkNbEYKVfWkt0A8gK26MkukST_PXYeK27Y_1ZrsA@mail.gmail.com> <82f307a1-d7e2-0950-510d-148a1a7e61a2@freebsd.org> <CACNAnaHkN5%2BskX4WUJuVhHoe11sp7iSeh9q9hg4jxrHBBCb_1Q@mail.gmail.com>

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On 3/1/21 11:50 AM, Kyle Evans wrote:
> On Mon, Mar 1, 2021 at 10:45 AM Nathan Whitehorn <nwhitehorn@freebsd.org> wrote:
>>
>>
>> On 3/1/21 11:42 AM, Kyle Evans wrote:
>>> On Mon, Mar 1, 2021 at 10:39 AM Nathan Whitehorn <nwhitehorn@freebsd.org> wrote:
>>>>
>>>> On 2/28/21 3:44 PM, Brandon Bergren wrote:
>>>>> On Sun, Feb 28, 2021, at 2:25 PM, Warner Losh wrote:
>>>>>> Yes. I agree as well. I was just hoping to say just that: EFI is barely
>>>>>> theoretically possible, but in reality we'll likely never use it....
>>>>>>
>>>>>> The net effect is that we don't want to install efi on powerpc on freebsd.
>>>>>>
>>>>>> Warner
>>>>>>
>>>>> Yeah. The code before the change excluded mips and powerpc platforms, and it should continue to do so instead of using the existence of a /boot/efi directory as the only clue.
>>>>>
>>>>> Currently bsdinstall bails out and leaves powerpc* in a half-installed state because the die in the uname case propagates to the main script, so it never runs the bits after the bootconfig.
>>>>>
>>>> So that was a deliberate choice to keep the list of places that know
>>>> about efi vs. non-EFI centralized. I'd prefer to just not make that
>>>> directory on systems where it doesn't apply rather than messing with the
>>>> installer. Do you know where it is being made?
>>>> -Nathan
>>> It's part of the hierarchy in ^/etc/mtree/BSD.root.dist
>>>
>> Is there a reason it needs to be? The installer bits all make it when
>> needed already, so just removing it there seems like the simplest path.
> I can't think of a reason, as long as both the release(7) scripts and
> the installer create it as needed -- I note that vmimage.subr seems to
> create it itself, but arm.subr seems to get it wrong atm. It'll need
> to create /boot/efi for PART_SCHEME == GPT, and /boot/msdos should
> probably be scoped down to PART_SCHEME == MBR where it's used at the
> moment.
>
I can take a look at arm.subr today. Everywhere else (the installer and 
vmimage.subr) create it already, since I didn't realize it was part of 
mtree.
-Nathan



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