On Thu, 2015-07-23 at 09:36 -0600, Jan Beulich wrote: > > > > > > On 23.07.15 at 17:25, <toshi.k...@hp.com> wrote: > > Yes, I agree with you. But such risk is very low -- 1) the regular > > case > > (no fallback) is used most of the cases, 2) the code using WT knows > > what > > type of memory it is dealing with. For example, pmem may map NVDIMM > > with > > WT, and any sane BIOS sets MTRR to WB for NVDIMM. > > Do the words "sane" and "BIOS" really fit together in your opinion?
:-) Anyway, I am not disagreeing with you... When UC is ready for both regular memory and IO memory, it should be changed to fall back to UC. Thanks, -Toshi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/