Re: [PATCH v2 22/25] powerpc32: move xxxxx_dcache_range() functions inline

From	Christophe Leroy <christophe.leroy@c-s.fr>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 22/25] powerpc32: move xxxxx_dcache_range() functions inline
Date	2015-09-23 00:50 +0200
Message-ID	<qbExP-2ia-13@gated-at.bofh.it> (permalink)
References	(8 earlier) <qbCw1-7OJ-19@gated-at.bofh.it> <qbCw1-7OJ-21@gated-at.bofh.it> <qbCw1-7OJ-15@gated-at.bofh.it> <qbCPo-8bs-25@gated-at.bofh.it> <qbExP-2ia-15@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Le 23/09/2015 00:34, Scott Wood a écrit :
> On Tue, 2015-09-22 at 22:57 +0200, Christophe Leroy wrote:
>> >Here is what I get in asm. First one is with "if (i) mb();". We see gcc
>> >puts a beqlr. This is the form that is closest to what we had in the
>> >former misc_32.S
>> >Second one if with "mb()". Here we get a branch to sync for a useless sync
> I was more concerned with keeping the code simple than the asm output.
>
Right, but is that so complicated to say: if we did nothing in the loop, 
no need to sync ?

Christophe
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Thread

[PATCH v2 22/25] powerpc32: move xxxxx_dcache_range() functions  inline Christophe Leroy <christophe.leroy@c-s.fr> - 2015-09-22 19:00 +0200
  Re: [PATCH v2 22/25] powerpc32: move xxxxx_dcache_range() functions  inline Joakim Tjernlund <joakim.tjernlund@transmode.se> - 2015-09-22 20:20 +0200
    Re: [PATCH v2 22/25] powerpc32: move xxxxx_dcache_range() functions  inline Scott Wood <scottwood@freescale.com> - 2015-09-22 21:00 +0200
      Re: [PATCH v2 22/25] powerpc32: move xxxxx_dcache_range() functions  inline Joakim Tjernlund <joakim.tjernlund@transmode.se> - 2015-09-22 21:40 +0200
        Re: [PATCH v2 22/25] powerpc32: move xxxxx_dcache_range() functions  inline Joakim Tjernlund <joakim.tjernlund@transmode.se> - 2015-09-22 22:00 +0200
          Re: [PATCH v2 22/25] powerpc32: move xxxxx_dcache_range() functions  inline Joakim Tjernlund <joakim.tjernlund@transmode.se> - 2015-09-22 22:10 +0200
          Re: [PATCH v2 22/25] powerpc32: move xxxxx_dcache_range() functions  inline Joakim Tjernlund <joakim.tjernlund@transmode.se> - 2015-09-22 22:40 +0200
            Re: [PATCH v2 22/25] powerpc32: move xxxxx_dcache_range() functions  inline Christophe Leroy <christophe.leroy@c-s.fr> - 2015-09-22 23:00 +0200
              Re: [PATCH v2 22/25] powerpc32: move xxxxx_dcache_range() functions  inline Christophe Leroy <christophe.leroy@c-s.fr> - 2015-09-23 00:50 +0200
          Re: [PATCH v2 22/25] powerpc32: move xxxxx_dcache_range() functions  inline Joakim Tjernlund <joakim.tjernlund@transmode.se> - 2015-09-22 22:40 +0200
  Re: [PATCH v2 22/25] powerpc32: move xxxxx_dcache_range() functions  inline Scott Wood <scottwood@freescale.com> - 2015-09-29 02:30 +0200

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