Re: [patch 1/2] i386: use asm() like the other atomic operations already do.

Andi Kleen <[email protected]> wrote:
>> My config with march=pentium-m and gcc (GCC) 4.1.2 (Gentoo 4.1.2):
>>   text    data     bss     dec     hex filename
>> 3434150  249176  176128 3859454  3ae3fe atomic_normal/vmlinux
>> 3435308  249176  176128 3860612  3ae884 atomic_inlineasm/vmlinux
> 
> What is the difference between atomic_normal and atomic_inlineasm? 

The inline asm stops certain optimisations from occuring.

I'm still unconvinced why we need this because nobody has
brought up any examples of kernel code that legitimately
need this.

Cheers,
-- 
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Follow-Ups:
- Re: [patch 1/2] i386: use asm() like the other atomic operations already do.
  - From: Chris Snook <[email protected]>
- Re: [patch 1/2] i386: use asm() like the other atomic operations already do.
  - From: Satyam Sharma <[email protected]>

References:
- Re: [patch 1/2] i386: use asm() like the other atomic operations already do.
  - From: Andi Kleen <[email protected]>

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