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| author | Tony Luck <tony.luck@intel.com> | 2024-10-31 15:02:13 -0700 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-11-06 10:49:04 +0100 |
| commit | 9bce6e94c4b39b6baa649784d92f908aa9168a45 (patch) | |
| tree | 7f5505a0005afd4476602663aa70a0c08209e50a /arch/x86/kernel | |
| parent | 29eaa79583671f1e1b468760d505ef837317ab15 (diff) | |
| download | linux-9bce6e94c4b39b6baa649784d92f908aa9168a45.tar.gz linux-9bce6e94c4b39b6baa649784d92f908aa9168a45.tar.bz2 linux-9bce6e94c4b39b6baa649784d92f908aa9168a45.zip | |
x86/resctrl: Support Sub-NUMA cluster mode SNC6
Support Sub-NUMA cluster mode with 6 nodes per L3 cache (SNC6) on some
Intel platforms.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Link: https://lore.kernel.org/r/20241031220213.17991-1-tony.luck@intel.com
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/cpu/resctrl/monitor.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c index 851b561850e0..5fcb3d635d91 100644 --- a/arch/x86/kernel/cpu/resctrl/monitor.c +++ b/arch/x86/kernel/cpu/resctrl/monitor.c @@ -1158,11 +1158,12 @@ static __init int snc_get_config(void) ret = cpus_per_l3 / cpus_per_node; - /* sanity check: Only valid results are 1, 2, 3, 4 */ + /* sanity check: Only valid results are 1, 2, 3, 4, 6 */ switch (ret) { case 1: break; case 2 ... 4: + case 6: pr_info("Sub-NUMA Cluster mode detected with %d nodes per L3 cache\n", ret); rdt_resources_all[RDT_RESOURCE_L3].r_resctrl.mon_scope = RESCTRL_L3_NODE; break; |