On Mon, 2015-01-26 at 23:39 +0100, Borislav Petkov wrote: > On Mon, Jan 26, 2015 at 02:50:07PM -0700, Ross Zwisler wrote: > > We can use MFENCE, but I don't think we need to. With SFENCE we will > > be ordered with respect to stores, and the flushes and pcommit will be > > ordered with respect to one another. I think you can sprinkle in loads > > anywhere you want in that flow and everything will work. > > > Ok, maybe we should hold down that sequence and this somewhere as a > this-is-how-you-should-do-pcommit-properly explanation or so... or do > you have an actual patch adding write_and_commit_buffer()?
I don't have a patch to add and use this yet. I'll add the flow to the commit messages for both pcommit and clwb. -- 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/
