From: "Middelschulte, Leif" <Leif.Middelschulte@klsmartin.com>
To: "s.hauer@pengutronix.de" <s.hauer@pengutronix.de>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: erroneous behavior for iMX+GPT
Date: Mon, 14 Oct 2019 12:30:27 +0000 [thread overview]
Message-ID: <3e41e4224f8c5c848c4de1c1e439f17583b870d9.camel@klsmartin.com> (raw)
In-Reply-To: <20191014122546.ey5bjayf7ilkohpj@pengutronix.de>
Hi Sascha,
Am Montag, den 14.10.2019, 14:25 +0200 schrieb Sascha Hauer:
> Hi Leif,
>
> On Mon, Oct 07, 2019 at 02:15:39PM +0000, Middelschulte, Leif wrote:
> > Hi,
> >
> > setting up GPT on an iMX6, I noticed a small bug subject to
> > CONFIG_PARTITION_DISK_EFI_GPT_NO_FORCE that leads to unparsed GPTs.
> >
> > Background: The iMX supports the mmc user partition as bootmedia
> > source too.
> >
> > Problem: The (additional) filetype check[0] fails, if the given buffer
> > contains multiple, subsequent file(type)s. The buffer might contain
> > the beginning of a disk that contains i.e. a Barebox image *and* a
> > partition table. The function file_detect_type returns a single (first
> > recognized) type[1]. In my case, it returns the Barebox image type.
>
> Looks like the file_detect_type() there should be replaced with
> file_detect_partition_table().
>
> >
> > There is a comment about this additional check noting it will be
> > mandatory as it will be "[..] added to the EFI Spec. per Intel after
> > v1.02.". Anybody can elaborate on that?
> > That feedback could help to understand why file_detect_partition_table
> > is insufficient in this case.
>
> What makes you think that file_detect_partition_table() is insufficient?
Nothing makes *me* think it's insufficient. Yet the author explicitly added this *additional* check and did *not* use the suggested alternative function.
That's why I asked. I'm not familiar with the spec. Maybe it is mandates such a treatment?
>
> Sascha
>
Leif
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next prev parent reply other threads:[~2019-10-14 12:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-07 14:15 Middelschulte, Leif
2019-10-14 12:25 ` Sascha Hauer
2019-10-14 12:30 ` Middelschulte, Leif [this message]
2019-10-14 12:45 ` s.hauer
2019-10-14 13:02 ` Middelschulte, Leif
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