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SubjectRe: Why Semaphore Hardware-Dependent?
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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