Re: [PATCH] x86/raid6: correctly check for assembler capabilities

From	"H. Peter Anvin" <hpa@zytor.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] x86/raid6: correctly check for assembler capabilities
Date	2015-06-16 21:50 +0200
Message-ID	<pC51T-3OF-11@gated-at.bofh.it> (permalink)
References	<oLHMR-4IW-1@gated-at.bofh.it> <oPSql-3o1-1@gated-at.bofh.it> <oPSJI-3Lw-11@gated-at.bofh.it> <oPSTo-4cE-17@gated-at.bofh.it>
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On 02/03/2015 01:03 PM, Paul Bolle wrote:
> On Wed, 2015-02-04 at 07:50 +1100, NeilBrown wrote:
>> Actually the prefix of this macro is "CONFIG_AS_", not "CONFIG_" :-)
>> CONFIG_AS_ is reserved for assembly magic, and is never used by the the
>> kconfig system.
>>
>> (Well..... I might have made bits of that up, but "git grep 'config AS_'"
>> doesn't find anything).
> 
> That's correct, there are no Kconfig symbols starting with AS_. But
> still, I would like to hear whether there's a reasonable chance I might
> convince other people to adopt my peeve.
> 
> The thinking behind that peeve is, basically, that where people
> encounter a CONFIG_* macro they should only have to check the .config
> file to see how that macro was evaluated in the build that was used.
> 

There is a hope/intent that eventually the config system will be able to
incorporate toolchain dependencies for a bunch of reasons.

	-hpa


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Re: [PATCH] x86/raid6: correctly check for assembler capabilities "H. Peter Anvin" <hpa@zytor.com> - 2015-06-16 21:50 +0200
  Re: [PATCH] x86/raid6: correctly check for assembler capabilities Paul Bolle <pebolle@tiscali.nl> - 2015-06-16 22:00 +0200
    Re: [PATCH] x86/raid6: correctly check for assembler capabilities "H. Peter Anvin" <hpa@zytor.com> - 2015-06-16 22:10 +0200
      Re: [PATCH] x86/raid6: correctly check for assembler capabilities Paul Bolle <pebolle@tiscali.nl> - 2015-06-16 22:40 +0200
        Re: [PATCH] x86/raid6: correctly check for assembler capabilities "H. Peter Anvin" <hpa@zytor.com> - 2015-06-16 22:50 +0200
          Re: [PATCH] x86/raid6: correctly check for assembler capabilities Paul Bolle <pebolle@tiscali.nl> - 2015-06-16 23:00 +0200

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