On Mon, Jul 06, 2009 at 09:08:21PM +0200, Martin Mares wrote: > > +Finally, you should append a width specifier \fB.B\fP, \fB.W\fP, \fB.L\fP, or \fB.Q\fP > > +to choose how many bytes (1, 2, 4, or 8) should be transferred. The width can be > > +omitted if you are accessing a named register whose width is well known. > > Please emphasize that the 8-byte accesses are not atomic, unlike their shorter > counterparts. Do you want us to start working on an 8-byte atomic access method inside the kernel? As I said before, it won't be available on all systems. Or should we stand firm against this bad habit of putting a 64-bit register in config space? -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
