diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2024-03-13 00:07:36 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2024-03-13 00:07:36 -0700 |
| commit | d5c0078033e2adf30e897d985fd29084ecb56b51 (patch) | |
| tree | 4db9109b51457c17972fa262f1ac1bfc80aad9da /drivers/acpi/numa/srat.c | |
| parent | c6c3187d66bc4e87086036266def4170742d7214 (diff) | |
| parent | debdce20c4f28b7e5aa48512e7abf270a00e9051 (diff) | |
Merge branch 'for-6.9/cxl-qos' into for-6.9/cxl
Pick up support for CXL "HMEM reporting" for v6.9, i.e. build an HMAT
from CXL CDAT and PCIe switch information.
Diffstat (limited to 'drivers/acpi/numa/srat.c')
| -rw-r--r-- | drivers/acpi/numa/srat.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/acpi/numa/srat.c b/drivers/acpi/numa/srat.c index 0214518fc582..e45e64993c50 100644 --- a/drivers/acpi/numa/srat.c +++ b/drivers/acpi/numa/srat.c @@ -29,6 +29,8 @@ static int node_to_pxm_map[MAX_NUMNODES] unsigned char acpi_srat_revision __initdata; static int acpi_numa __initdata; +static int last_real_pxm; + void __init disable_srat(void) { acpi_numa = -1; @@ -536,6 +538,7 @@ int __init acpi_numa_init(void) if (node_to_pxm_map[i] > fake_pxm) fake_pxm = node_to_pxm_map[i]; } + last_real_pxm = fake_pxm; fake_pxm++; acpi_table_parse_cedt(ACPI_CEDT_TYPE_CFMWS, acpi_parse_cfmws, &fake_pxm); @@ -547,6 +550,14 @@ int __init acpi_numa_init(void) return 0; } +bool acpi_node_backed_by_real_pxm(int nid) +{ + int pxm = node_to_pxm(nid); + + return pxm <= last_real_pxm; +} +EXPORT_SYMBOL_GPL(acpi_node_backed_by_real_pxm); + static int acpi_get_pxm(acpi_handle h) { unsigned long long pxm; |