linux-kernel - Re: [PATCH 0/9] Add vsprintf extension %pU to print UUID/GUIDs and use it

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Message-Id: <1254203852.15717.1506.camel@yhuang-dev.sh.intel.com>
Date:	Tue, 29 Sep 2009 13:57:32 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Joe Perches <joe@...ches.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Adrian Hunter <adrian.hunter@...ia.com>,
	Alex Elder <aelder@....com>,
	Artem Bityutskiy <dedekind@...radead.org>,
	Christoph Hellwig <hch@....de>,
	Harvey Harrison <harvey.harrison@...il.com>,
	Ingo Molnar <mingo@...e.hu>, Jeff Garzik <jgarzik@...hat.com>,
	Laurent Pinchart <laurent.pinchart@...net.be>,
	Matt Mackall <mpm@...enic.com>,
	Mauro Carvalho Chehab <mchehab@...radead.org>,
	Neil Brown <neilb@...e.de>,
	Steven Whitehouse <swhiteho@...hat.com>,
	"xfs-masters@....sgi.com" <xfs-masters@....sgi.com>,
	Andi Kleen <andi@...stfloor.org>, Greg KH <greg@...ah.com>
Subject: Re: [PATCH 0/9] Add vsprintf extension %pU to print UUID/GUIDs and
 use it

Hi, Joe,

Thanks for the patch. I think that is a good idea.

For your patch. I think you need a changelog for each patch.

It seems that the binary representation of UUID can be little-endian
(used by most kernel components) or big-endian (defined by RFC4122, used
in network?). Maybe we should consider about that.

In fact, I find there are many different UUID/GUID definitions in
kernel, such as that in efi, many file systems, some drivers, etc. It
seems that every kernel components need UUID/GUID has its own
definition, so I think we should unify all the UUID/GUID definitions in
kernel too. The file attached is a draft unified UUID/GUID definition,
with byte-order issue in mind.

Any comment?

Best Regards,
Huang Ying

View attachment "0010-uuid.patch" of type "text/x-patch" (4529 bytes)