linux-kernel - Re: [PATCH 3/3] Enforce "unsigned long flags;" when spinlocking

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Date:	Sat, 21 Oct 2006 04:13:58 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] Enforce "unsigned long flags;" when spinlocking

>  #define spin_trylock_irq(lock            ) \
                                   ???????
>  ({ \
> +	BUILD_BUG_ON(sizeof(flags) != sizeof(unsigned long));	\
> +	typecheck(unsigned long, flags);			\

And it's broken. :-\

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