Re: Why Semaphore Hardware-Dependent?

[Nick Piggin <nickpiggin@yahoo.com.au>]

Ahh, my mistake :)

Nick Piggin wrote:

> It is actually larger here.
>
>    text    data     bss     dec     hex filename
>     970       0       0     970     3ca lib/rwsem-spinlock.o
>     576       0       0     576     240 kernel/spinlock.o
                                           ^^ should be:
       35       0       0      35      23 kernel/rwsem.o

>   =1546
>
>    text    data     bss     dec     hex filename
>    1310       0       0    1310     51e lib/rwsem.o
>     193       0       0     193      c1 kernel/rwsem.o
>   =1503

Well, it is still larger than the atomic_inc_return variant
after my patch.

--
SUSE Labs, Novell Inc.
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