From: Greg KH <greg@kroah.com>
To: Karim Yaghmour <karim@opersys.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
LTT-Dev <ltt-dev@shafik.org>
Subject: Re: [PATCH 4/4] relayfs for 2.6.10: headers
Date: Fri, 14 Jan 2005 11:10:13 -0800 [thread overview]
Message-ID: <20050114191013.GB15337@kroah.com> (raw)
In-Reply-To: <41E736C4.3080806@opersys.com>
On Thu, Jan 13, 2005 at 10:04:36PM -0500, Karim Yaghmour wrote:
> +/**
> + * have_cmpxchg - does this architecture have a cmpxchg?
> + *
> + * Returns 1 if this architecture has a cmpxchg useable by
> + * the lockless scheme, 0 otherwise.
> + */
> +static inline int
> +have_cmpxchg(void)
> +{
> +#if defined(__HAVE_ARCH_CMPXCHG)
> + return 1;
> +#else
> + return 0;
> +#endif
> +}
Shouldn't this be a build time check, and not a runtime one?
next prev parent reply other threads:[~2005-01-14 19:27 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-14 3:04 Karim Yaghmour
2005-01-14 19:07 ` Greg KH
2005-01-14 20:05 ` Tom Zanussi
2005-01-14 19:10 ` Greg KH [this message]
2005-01-14 20:14 ` Tom Zanussi
2005-01-15 0:50 ` Greg KH
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