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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux