Correct

- DW
-
-----Original Message-----
From: arm.ebbr-discuss-boun...@arm.com <arm.ebbr-discuss-boun...@arm.com> On 
Behalf Of Daniel Thompson
Sent: Tuesday, July 3, 2018 8:59 AM
To: Grant Likely <grant.lik...@arm.com>
Cc: boot-architecture@lists.linaro.org; h...@suse.de; arm.ebbr-discuss 
<arm.ebbr-disc...@arm.com>; Nicolas Dechesne <nicolas.deche...@linaro.org>; 
architect...@cam-list1.cambridge.arm.com
Subject: Re: [Arm.ebbr-discuss] Questions about GPT

On Tue, Jul 03, 2018 at 04:46:38PM +0100, Grant Likely wrote:
> On 03/07/2018 10:08, Nicolas Dechesne wrote:
> > On Mon, Jul 2, 2018 at 11:59 PM Alexander Graf <ag...@suse.de> wrote:
> > > On 02.07.18 20:40, William Mills wrote:
> [...]
> > > > I am still trying to figure out if a real issue exists or will
> > > > soon exist.  If this issue is real, I think it should be
> > > > addressed in UEFI but if not there then in EBBR.  We move
> > > > "disks" around a lot more than other people do.
> > >
> > > Yes, let's double check with Hannes :).
> >
> > On Dragonboard 820c, that has on board UFS disk:
> >
> > Found valid GPT with protective MBR; using GPT.
> > Disk /dev/sda: 6335488 sectors, 24.2 GiB
> > Model: THGBF7G8K4LBATRB
> > Sector size (logical/physical): 4096/4096 bytes
> >
>
> Hmmm. That's interesting. I had assumed that on UFS devices, device
> partitions would be used and the GPT would be omitted. Evidently that
> is not done on the 810c.

I might be missing something but can EFI run on top of raw hardware device 
partitions? I didn't think EFI provided any means to locate an ESP except when 
they are described in one of the three supported ways (GPT, MBR or El Torito).


Daniel.


> Is that just because sticking with GPT is the
> 'known-working-solution'? Will there eventually be a time when OSes
> use UFS-native partitioning? Or should the recommendation be to keep doing 
> GPT partitioning on the whole device?
>
> I'm assuming that UFS-native partitioning allows for better management
> of the underlying flash media, but I'm no expert.
>
> How do UFS partitions show up in Linux right now?
> Do we have good partitioning tools for UFS?
> Will UFS partitioning cause issues for the distros?

>
> g.
> _______________________________________________
> Arm.ebbr-discuss mailing list
> arm.ebbr-disc...@arm.com
_______________________________________________
Arm.ebbr-discuss mailing list
arm.ebbr-disc...@arm.com
IMPORTANT NOTICE: The contents of this email and any attachments are 
confidential and may also be privileged. If you are not the intended recipient, 
please notify the sender immediately and do not disclose the contents to any 
other person, use it for any purpose, or store or copy the information in any 
medium. Thank you.
_______________________________________________
boot-architecture mailing list
boot-architecture@lists.linaro.org
https://lists.linaro.org/mailman/listinfo/boot-architecture

Reply via email to