ACPI/HMAT: Move HMAT messages to pr_debug()

The HMAT messages printed at boot, beyond being noisy, can also print
details for nodes that are not yet enabled. The primary method to
consume HMAT details is via sysfs, and the sysfs interface gates what is
emitted by whether the node is online or not. Hide the messages by
default by moving them from "info" to "debug" log level.

Otherwise, these prints are just a pretty-print way to dump the ACPI
HMAT table. It has always been the case that post-analysis was required
for these messages to map proximity-domains to Linux NUMA nodes, and as
Priya points out that analysis also needs to consider whether the
proximity domain is marked "enabled" in the SRAT.

Reported-by: Priya Autee <priya.v.autee@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/170668982094.318782.2963631284830500182.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>

diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c
index 80a3481c04701d39a63162ce51db81f2c58c9d0a..bfbb08b1e6af64bac3338bb9f3df27f19cd49f5d 100644 (file)
--- a/drivers/acpi/numa/hmat.c
+++ b/drivers/acpi/numa/hmat.c
@@ -442,9 +442,9 @@ static __init int hmat_parse_locality(union acpi_subtable_headers *header,
                return -EINVAL;
        }
 
-       pr_info("Locality: Flags:%02x Type:%s Initiator Domains:%u Target Domains:%u Base:%lld\n",
-               hmat_loc->flags, hmat_data_type(type), ipds, tpds,
-               hmat_loc->entry_base_unit);
+       pr_debug("Locality: Flags:%02x Type:%s Initiator Domains:%u Target Domains:%u Base:%lld\n",
+                hmat_loc->flags, hmat_data_type(type), ipds, tpds,
+                hmat_loc->entry_base_unit);
 
        inits = (u32 *)(hmat_loc + 1);
        targs = inits + ipds;
@@ -455,9 +455,9 @@ static __init int hmat_parse_locality(union acpi_subtable_headers *header,
                        value = hmat_normalize(entries[init * tpds + targ],
                                               hmat_loc->entry_base_unit,
                                               type);
-                       pr_info("  Initiator-Target[%u-%u]:%u%s\n",
-                               inits[init], targs[targ], value,
-                               hmat_data_type_suffix(type));
+                       pr_debug("  Initiator-Target[%u-%u]:%u%s\n",
+                                inits[init], targs[targ], value,
+                                hmat_data_type_suffix(type));
 
                        hmat_update_target(targs[targ], inits[init],
                                           mem_hier, type, value);
@@ -485,9 +485,9 @@ static __init int hmat_parse_cache(union acpi_subtable_headers *header,
        }
 
        attrs = cache->cache_attributes;
-       pr_info("Cache: Domain:%u Size:%llu Attrs:%08x SMBIOS Handles:%d\n",
-               cache->memory_PD, cache->cache_size, attrs,
-               cache->number_of_SMBIOShandles);
+       pr_debug("Cache: Domain:%u Size:%llu Attrs:%08x SMBIOS Handles:%d\n",
+                cache->memory_PD, cache->cache_size, attrs,
+                cache->number_of_SMBIOShandles);
 
        target = find_mem_target(cache->memory_PD);
        if (!target)
@@ -546,9 +546,9 @@ static int __init hmat_parse_proximity_domain(union acpi_subtable_headers *heade
        }
 
        if (hmat_revision == 1)
-               pr_info("Memory (%#llx length %#llx) Flags:%04x Processor Domain:%u Memory Domain:%u\n",
-                       p->reserved3, p->reserved4, p->flags, p->processor_PD,
-                       p->memory_PD);
+               pr_debug("Memory (%#llx length %#llx) Flags:%04x Processor Domain:%u Memory Domain:%u\n",
+                        p->reserved3, p->reserved4, p->flags, p->processor_PD,
+                        p->memory_PD);
        else
                pr_info("Memory Flags:%04x Processor Domain:%u Memory Domain:%u\n",
                        p->flags, p->processor_PD, p->memory_PD);