On Fri, Feb 27, 2015 at 05:46:55AM +0000, Pranith Kumar wrote: > In cmpxchg(), we do a load exclusive on an address and upon a comparison fail, > we skip the store exclusive instruction. This can result in the exclusive bit > still set. If there was a store exclusive after this to the same address, that > will see the exclusive bit set. This should not happen.
... and the problem with that is? > We need to clear the exclusive bit in these cases. Why? Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
