On Fri, 11 Jun 2010 10:41:46 +0100 Catalin Marinas <catalin.marinas@xxxxxxx> wrote: > On Fri, 2010-06-11 at 02:38 +0100, Nick Piggin wrote: > > On Thu, Jun 10, 2010 at 06:43:03PM -0600, Robert Hancock wrote: > > > IMHO, it would be better for the platform code to ensure that MMIO > > > access was strongly ordered with respect to each other and to RAM > > > access. Drivers are just too likely to get this wrong, especially > > > when x86, the most tested platform, doesn't have such issues. > > > > The plan is to make all platforms do this. writes should be > > strongly ordered with memory. That serves to keep them inside > > critical sections as well. > > Are there any public references to this discussion? Maybe a > Documentation/ file (or update the memory-barriers.txt one would be > useful). I guess, http://marc.info/?t=121185223900001&r=1&w=2 -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
