On Thu, Aug 16, 2007 at 10:04:24PM -0400, Chris Snook wrote: > > >Could you please cite the file/function names so we can > >see whether removing the barrier makes sense? > > At a glance, several architectures' implementations of smp_call_function() > have one or more legitimate atomic_read() busy-waits that shouldn't be > using CPU-relax. Some of them do work in the loop.
Care to name one so we can discuss it? Thanks, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <[EMAIL PROTECTED]> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
