Peter Zijlstra <peterz@xxxxxxxxxxxxx> writes: > On Wed, Dec 18, 2013 at 11:38:29AM -0800, Andi Kleen wrote: >> (maybe it would be time to get rid of the patchable LOCK though?) > > With the argument that Intel simply doesn't ship UP chips anymore, with > the exception of quark which should probably run custom UP kernels due > to size constraints anyway? That, and: - Anything with a single core only has very fast LOCK - LOCK generally became much faster everywhere. - The original reason was for single cpu VM guests, but even those should increasingly have at least two VCPUs. -Andi -- ak@xxxxxxxxxxxxxxx -- Speaking for myself only -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
