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Re: [PATCH v3] locking/qrwlock: Let qrwlock has same layout regardless of the endian

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: [PATCH v3] locking/qrwlock: Let qrwlock has same layout regardless of the endian
Date 2016-07-13 22:50 +0200
Message-ID <rUzgu-87F-15@gated-at.bofh.it> (permalink)
References <rM0SB-4FY-19@gated-at.bofh.it> <rUyu5-7yz-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, Jul 13, 2016 at 09:54:23PM +0200, Peter Zijlstra wrote:

> Urgh, I hate this stuff :/

> + * Writer states & reader shift and bias.
> + *
> + *       | +0 | +1 | +2 | +3 |
> + *   ----+----+----+----+----+
> + *    LE | 12 | 34 | 56 | 78 | 0x12345678
> + *   ----+----+----+----+----+
> + *    BE | 78 | 56 | 34 | 12 | 0x12345678
> + *   ----+----+----+----+----+

And of course I got that wrong.. its 0x78563412 in both cases.

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Re: [PATCH v3] locking/qrwlock: Let qrwlock has same layout  regardless of the endian Peter Zijlstra <peterz@infradead.org> - 2016-07-13 22:00 +0200
  Re: [PATCH v3] locking/qrwlock: Let qrwlock has same layout  regardless of the endian Peter Zijlstra <peterz@infradead.org> - 2016-07-13 22:50 +0200
  Re: [PATCH v3] locking/qrwlock: Let qrwlock has same layout regardless  of the endian xinhui <xinhui.pan@linux.vnet.ibm.com> - 2016-07-14 09:50 +0200
    Re: [PATCH v3] locking/qrwlock: Let qrwlock has same layout  regardless of the endian Peter Zijlstra <peterz@infradead.org> - 2016-07-14 11:40 +0200
      Re: [PATCH v3] locking/qrwlock: Let qrwlock has same layout  regardless of the endian Peter Zijlstra <peterz@infradead.org> - 2016-07-14 11:50 +0200
        Re: [PATCH v3] locking/qrwlock: Let qrwlock has same layout  regardless of the endian Boqun Feng <boqun.feng@gmail.com> - 2016-07-15 02:40 +0200
      Re: [PATCH v3] locking/qrwlock: Let qrwlock has same layout  regardless of the endian panxinhui <xinhui@linux.vnet.ibm.com> - 2016-07-15 08:30 +0200

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