On Fri, 31 Mar 2006, Andi Kleen wrote: > Christoph Lameter <clameter@sgi.com> writes: > > MODE_BARRIER > > An atomic operation that is guaranteed to occur between > > previous and later memory operations. > I think it's a bad idea to create such an complicated interface. > The chances that an average kernel coder will get these right are > quite small. And it will be 100% untested outside IA64 I guess > and thus likely be always slightly buggy as kernel code continues > to change. Powerpc can do similar things AFAIK. Not sure what other arches have finer grained control over barriers but it could cover a lot of special cases for other processors as well. - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.htmlReceived on Sat Apr 01 04:46:03 2006
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