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Date:   Fri, 22 May 2020 02:33:12 +0100 (BST)
From:   "Maciej W. Rozycki" <macro@wdc.com>
To:     Serge Semin <Sergey.Semin@baikalelectronics.ru>
cc:     Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        Serge Semin <fancer.lancer@gmail.com>,
        Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>,
        Paul Burton <paulburton@kernel.org>,
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        Kamal Dasu <kdasu.kdev@gmail.com>, linux-mips@vger.kernel.org,
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        "Maciej W. Rozycki" <macro@linux-mips.org>
Subject: Re: [PATCH v4 03/13] mips: Add MIPS Release 5 support
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On Thu, 21 May 2020, Serge Semin wrote:

> There are five MIPS32/64 architecture releases currently available:
> from 1 to 6 except fourth one, which was intentionally skipped.
> Three of them can be called as major: 1st, 2nd and 6th, that not only
> have some system level alterations, but also introduced significant
> core/ISA level updates. The rest of the MIPS architecture releases are
> minor.

 Well, strictly speaking R3 added microMIPS support, which was all but
minor (of course there were minor updates too, such as 2008-NaN support).

  Maciej