Messages in this thread | | | Date | Mon, 14 Feb 2011 12:00:43 -0800 | Subject | Re: [PATCHSET x86/numa] x86-64, NUMA: bring sanity to NUMA emulation | From | Yinghai Lu <> |
| |
On Mon, Feb 14, 2011 at 11:28 AM, Tejun Heo <tj@kernel.org> wrote: > Hello, > > NUMA emulation is quite convoluted involving unnecessary mapping and > reverse mapping between apicids, PXMs, nodes and memory addresses. > This patchset tries to restore some sanity to the whole thing. > > Tested on an opteron NUMA machine which can do both ACPI and AMD > configs. All NUMA configs, emulations, !NUMA and UP work as expected. > > This patchset is on top of tip/x86/numa[1] + > bring-sanity-to-NUMA-configuration patchset[2] and contains the > following 7 patches. > > 0001-x86-64-NUMA-Trivial-changes-to-prepare-for-emulation.patch > 0002-x86-64-NUMA-Build-and-use-direct-emulated-nid-phys-n.patch > 0003-x86-64-NUMA-Make-emulation-code-build-numa_meminfo-a.patch > 0004-x86-64-NUMA-Wrap-node-ID-during-emulation.patch > 0005-x86-64-NUMA-Emulate-directly-from-numa_meminfo.patch > 0006-x86-64-NUMA-Unify-emulated-apicid-node-mapping-trans.patch > 0007-x86-64-NUMA-Unify-emulated-distance-mapping.patch > > The patchset is available in the following git branch. > > git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc.git x86_64-numa-emu-unify > > Diffstat follows. > > arch/x86/include/asm/acpi.h | 6 > arch/x86/include/asm/amd_nb.h | 4 > arch/x86/include/asm/numa_64.h | 1 > arch/x86/mm/amdtopology_64.c | 47 ---- > arch/x86/mm/numa_64.c | 429 ++++++++++++++++++----------------------- > arch/x86/mm/srat_64.c | 87 -------- > 6 files changed, 197 insertions(+), 377 deletions(-)
wonder if numa_emu code could be put into one single file like numa_emu.c
Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |