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Re: [PATCH 7/7] x86: microcode: constify attribute_group structures.

From Arvind Yadav <arvind.yadav.cs@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH 7/7] x86: microcode: constify attribute_group structures.
Date 2017-07-20 10:20 +0200
Message-ID <u5eQG-4Bm-9@gated-at.bofh.it> (permalink)
References <u5e4i-41p-15@gated-at.bofh.it> <u5e4i-41p-31@gated-at.bofh.it> <u5eQG-4Bm-7@gated-at.bofh.it>
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Hi,


On Thursday 20 July 2017 01:42 PM, Borislav Petkov wrote:
> On Thu, Jul 20, 2017 at 12:51:45PM +0530, Arvind Yadav wrote:
>> attribute_group are not supposed to change at runtime. All functions
>> working with attribute_group provided by <linux/sysfs.h> work with
>> const attribute_group. So mark the non-const structs as const.
>>
>> File size before:
>>     text	   data	    bss	    dec	    hex	filename
>>     3614	    545	   1560	   5719	   1657	x86/kernel/cpu/microcode/core.o
>>
>> File size After adding 'const':
>>     text	   data	    bss	    dec	    hex	filename
>>     3742	    417	   1560	   5719	   1657	x86/kernel/cpu/microcode/core.o
> Again, what are those before/after sizes supposed to show?
It's just show, how much bytes move from data segment to text segment.
~arvind

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[PATCH 0/7] constify x86 attribute_group structures. Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-07-20 09:30 +0200
  [PATCH 3/7] perf: x86: intel: uncore_snb: constify attribute_group structures. Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-07-20 09:30 +0200
  [PATCH 7/7] x86: microcode: constify attribute_group structures. Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-07-20 09:30 +0200
    Re: [PATCH 7/7] x86: microcode: constify attribute_group structures. Borislav Petkov <bp@alien8.de> - 2017-07-20 10:20 +0200
      Re: [PATCH 7/7] x86: microcode: constify attribute_group structures. Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-07-20 10:20 +0200
        Re: [PATCH 7/7] x86: microcode: constify attribute_group structures. Borislav Petkov <bp@alien8.de> - 2017-07-20 10:40 +0200
          Re: [PATCH 7/7] x86: microcode: constify attribute_group structures. Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-07-20 11:10 +0200
            Re: [PATCH 7/7] x86: microcode: constify attribute_group structures. Borislav Petkov <bp@alien8.de> - 2017-07-20 12:40 +0200
              Re: [PATCH 7/7] x86: microcode: constify attribute_group structures. Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-07-20 13:10 +0200
  [PATCH 6/7] x86: therm_throt: constify attribute_group structures. Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-07-20 09:30 +0200

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