On 01/04/2011 05:49 PM, Jiri Slaby wrote: > 16dc39c98a6ca56a27f22f7ac6731d8223237a2e is first bad commit > commit 16dc39c98a6ca56a27f22f7ac6731d8223237a2e > Author: Len Brown <len.brown@xxxxxxxxx> > Date: Thu Dec 16 23:12:23 2010 -0500 > > ACPI: use ioremap_cache() > > Although the temporary boot-time ACPI table mappings > were set up with CPU caching enabled, the permanent table > mappings and AML run-time region memory accesses were > set up with ioremap(), which on x86 is a synonym for > ioremap_nocache(). > > Changing this to ioremap_cache() improves performance as > seen when accessing the tables via acpidump, > or /sys/firmware/acpi/tables. It should also improve > AML run-time performance. > > No change on ia64. BTW I've just noted, you actually broke ia64. The code reads like: return ioremap(unsigned long phys_addr, unsigned long size); regards, -- js _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
