From: David Laight <David.Laight@xxxxxxxxxx> Date: Mon, 6 Feb 2017 17:23:54 +0000 > Although the 'store buffer' on the sparc cpus I used to use would > let reads overtake writes. So you did have to read back the address > of the last write - not sure about modern sparc cpus. Never would any sparc cpu do so when any of the operations involved were to "side effect" locations, as PCI config space is.
