On Tue, 27 Jan, at 04:00:04PM, Vikas Shivappa wrote: > This patch adds support for the new Cache Allocation Technology (CAT) > feature found in future Intel Xeon processors. It includes CPUID > enumeration routines for CAT and new values to track CAT resources to > the cpuinfo_x86 structure. > > Cache Allocation Technology(CAT) provides a way for the Software > (OS/VMM) to restrict cache allocation to a defined 'subset' of cache > which may be overlapping with other 'subsets'. This feature is used > when allocating a line in cache ie when pulling new data into the cache. > The programming of the h/w is done via programming MSRs. > > More information about CAT be found in the Intel (R) x86 Architecture > Software Developer Manual, section 17.15. > > Signed-off-by: Vikas Shivappa <vikas.shiva...@linux.intel.com> > --- > arch/x86/include/asm/cpufeature.h | 6 ++++- > arch/x86/include/asm/processor.h | 3 +++ > arch/x86/kernel/cpu/Makefile | 1 + > arch/x86/kernel/cpu/common.c | 16 ++++++++++++ > arch/x86/kernel/cpu/intel_cat.c | 51 > +++++++++++++++++++++++++++++++++++++++ > init/Kconfig | 11 +++++++++ > 6 files changed, 87 insertions(+), 1 deletion(-) > create mode 100644 arch/x86/kernel/cpu/intel_cat.c
Acked-by: Matt Fleming <matt.flem...@intel.com> -- Matt Fleming, Intel Open Source Technology Center -- 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/
