Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 14 Oct 2003 15:35:26 -0700 | From | "David S. Miller" <> | Subject | Re: Question on atomic_inc/dec |
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On Tue, 14 Oct 2003 14:44:37 -0700 Tim Hockin <thockin@hockin.org> wrote:
> Is there any reason NOT to use the atomic ops in user-space? I mean, are > they privileged on some architectures, or ...?
Yes, they are. Some use interrupt disabling and a spinlock inside the kernel to implement the atomicity. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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