From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Matt Fleming <matt@codeblueprint.co.uk>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
linux-efi@vger.kernel.org,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-kernel @ vger . kernel . org"
<linux-kernel@vger.kernel.org>, Robert Elliott <elliott@hpe.com>
Subject: Re: [PATCH v3 3/4] x86/efi: print size in binary units in efi_print_memmap
Date: Sat, 23 Jan 2016 20:29:26 +0000 [thread overview]
Message-ID: <20160123202926.460b284f@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <1453572775.2470.56.camel@HansenPartnership.com>
All a bit revisionist. Everyone else on the planet was upset about it
because it broke things like calculating bit density because the prefixes
for the bit capacity are not in metric form. BIPM (keeper of the SI
units) never approved powers of two as an interpretation. IEC came into
line in 1999, ISO followed.
Disk sizes have been decimal since at least the 1970s. The original IBM
10MB hard disc for example was 10MB not 10MiB.
Powers of two are only validly referred to as KiB, MiB, GiB as of all
current standard body positions. Powers of 10 based units are kB, MB, GB)
(The best one is CD and DVD: DVD uses the proper definition, CD uses MiB,
although given the multiple sector sizes and encodings on CD it's all
manure anyway)
Alan
next prev parent reply other threads:[~2016-01-23 20:30 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-23 14:55 [PATCH v3 0/4] x86/efi: use binary units when printing Andy Shevchenko
2016-01-23 14:55 ` [PATCH v3 1/4] lib/string_helpers: export string_units_{2,10} for others Andy Shevchenko
2016-01-23 16:14 ` James Bottomley
2016-01-23 16:58 ` Andy Shevchenko
2016-01-23 14:55 ` [PATCH v3 2/4] lib/string_helpers: fix indentation in few places Andy Shevchenko
2016-01-23 14:55 ` [PATCH v3 3/4] x86/efi: print size in binary units in efi_print_memmap Andy Shevchenko
2016-01-23 16:44 ` James Bottomley
2016-01-23 17:18 ` Andy Shevchenko
2016-01-23 18:03 ` James Bottomley
2016-01-25 8:31 ` Andy Shevchenko
2016-01-25 15:25 ` James Bottomley
2016-01-23 18:12 ` James Bottomley
2016-01-23 20:29 ` One Thousand Gnomes [this message]
2016-01-23 20:43 ` H. Peter Anvin
2016-01-25 18:02 ` Elliott, Robert (Persistent Memory)
2016-01-25 18:56 ` James Bottomley
2016-01-25 19:28 ` Andy Shevchenko
2016-01-25 19:45 ` James Bottomley
2016-01-25 20:01 ` Andy Shevchenko
2016-01-25 20:18 ` James Bottomley
2016-01-25 20:37 ` Elliott, Robert (Persistent Memory)
2016-01-26 11:50 ` Matt Fleming
2016-01-26 11:59 ` Andy Shevchenko
2016-01-28 9:29 ` Matt Fleming
2016-01-28 11:15 ` Andy Shevchenko
2016-01-25 20:44 ` James Bottomley
2016-01-23 14:55 ` [PATCH v3 4/4] x86/efi: Use proper units in efi_find_mirror() Andy Shevchenko
2016-01-23 16:34 ` [PATCH v3 0/4] x86/efi: use binary units when printing James Bottomley
2016-01-23 17:20 ` Andy Shevchenko
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