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From: Eugene Korenevsky <ekorenevsky@gmail.com>
To: dave@stgolabs.net
Cc: linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org,
	ard.biesheuvel@linaro.org
Subject: Re: [PATCH v2] efi: take size of partition entry from GPT header
Date: Tue, 11 Sep 2018 19:42:11 +0300	[thread overview]
Message-ID: <CAJC2YLatWGvWv3abt7jQSk06rOQKTtkH4RxyPda6-usztFzwBg@mail.gmail.com> (raw)
In-Reply-To: <20180911162741.GC3902@linux-r8p5>

> >The GPT with entries sized more than sizeof(gpt_entry) is not illegal.
> >OVMF firmware from EDK2 perfectly works with it, see edk2-tianocore source
> >code.

> But _why_ is this needed? Does this firmware need larger sized entries (ie: does
> not work without it)?

A disk with correct large-sized GPT entries can be created. UEFI
firmwares will work with it, Linux kernel will not. Is it necessary to
perform such synthetic test or this issue does not matter anyway?

--
Eugene

  reply	other threads:[~2018-09-11 16:42 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-11 16:15 [PATCH v2] efi: take size of partition entry from GPT header Eugene Korenevsky
2018-09-11 16:27 ` Davidlohr Bueso
2018-09-11 16:42   ` Eugene Korenevsky [this message]
2018-09-11 22:56 ` kbuild test robot
2018-09-11 22:59 ` Ard Biesheuvel
2018-09-11 23:20 ` kbuild test robot
2018-09-12  8:38 ` Karel Zak
2018-09-13 13:06   ` David Laight
2018-09-13 19:48     ` Eugene Korenevsky
2018-09-14  9:01       ` David Laight
2018-09-14 11:07         ` kzak
2018-10-06 18:41           ` Eugene Korenevsky
2018-10-08 11:15             ` Karel Zak

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