Re: [PATCH] um: use RWSEM_GENERIC_SPINLOCK on x86
From: Linus Torvalds
Date: Mon May 23 2011 - 16:46:55 EST
On Mon, May 23, 2011 at 1:30 PM, Richard Weinberger <richard@xxxxxx> wrote:
>
> config RWSEM_XCHGADD_ALGORITHM
> - def_bool X86_XADD
> + def_bool X86_XADD && 64BIT
>
> config RWSEM_GENERIC_SPINLOCK
> - def_bool !X86_XADD
> + def_bool !X86_XADD || !64BIT
May I suggest just changing that second one to
config RWSEM_GENERIC_SPINLOCK
def_bool !RWSEM_XCHGADD_ALGORITHM
because I had to look twice just to make sure that they are inverses
of each other.
So why not make that inverse relationship more obvious?
Linus
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