> The following experimental patch changes the kernel mapping for ACPI tables > to CACHED. This eliminates the page attibute conflict & allows users to map > the tables CACHEABLE. This significantly speeds up boot: > > 38 minutes without the patch > 27 minutes with the patch > ~30% improvement > > Time to run ACPIDUMP on a large system: > 527 seconds without the patch > 8 seconds with the patch Interesting. Can you detect a performance differene on a 1-node machine that doesn't magnify the penalty of the remote uncached access? thanks, -Len Brown, Intel Open Source Technology Cetner -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
