diff options
Diffstat (limited to 'arch/x86/mm/srat.c')
| -rw-r--r-- | arch/x86/mm/srat.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c index 266ca912f62e..1953e9c9391a 100644 --- a/arch/x86/mm/srat.c +++ b/arch/x86/mm/srat.c @@ -42,15 +42,25 @@ static __init inline int srat_disabled(void) return acpi_numa < 0; } -/* Callback for SLIT parsing */ +/* + * Callback for SLIT parsing. pxm_to_node() returns NUMA_NO_NODE for + * I/O localities since SRAT does not list them. I/O localities are + * not supported at this point. + */ void __init acpi_numa_slit_init(struct acpi_table_slit *slit) { int i, j; - for (i = 0; i < slit->locality_count; i++) - for (j = 0; j < slit->locality_count; j++) + for (i = 0; i < slit->locality_count; i++) { + if (pxm_to_node(i) == NUMA_NO_NODE) + continue; + for (j = 0; j < slit->locality_count; j++) { + if (pxm_to_node(j) == NUMA_NO_NODE) + continue; numa_set_distance(pxm_to_node(i), pxm_to_node(j), slit->entry[slit->locality_count * i + j]); + } + } } /* Callback for Proximity Domain -> x2APIC mapping */ @@ -181,6 +191,11 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) (unsigned long long) start, (unsigned long long) end - 1, hotpluggable ? " hotplug" : ""); + /* Mark hotplug range in memblock. */ + if (hotpluggable && memblock_mark_hotplug(start, ma->length)) + pr_warn("SRAT: Failed to mark hotplug range [mem %#010Lx-%#010Lx] in memblock\n", + (unsigned long long)start, (unsigned long long)end - 1); + return 0; out_err_bad_srat: bad_srat(); |