On 3/13/12 2:02 PM, H. Peter Anvin wrote: > However, for the overall goal of the patch sequence, I think it is a > good thing to not use MTRRs when PAT is available. Part of me is > wondering if we shouldn't simply turn off the X86_FEATURE_PAT in > boot_cpu_info when PAT is disabled. It looks like the only user of cpu_has_pat is the PAT code itself, so that should be safe in the sense of not breaking anyone's expectations. And it would avoid needing to export another symbol. I like. Will respin to do that, with better descriptions. - ajax
