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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-21 05:38:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-21 05:38:09 +0000
commitbb26c5b2b89d932f617fa415a715b2bb259a42bc (patch)
tree58c44da24c7a1fb78dda1c0b698510c6f8640981 /drivers/thermal
parentAdding upstream version 6.10.4. (diff)
downloadlinux-bb26c5b2b89d932f617fa415a715b2bb259a42bc.tar.xz
linux-bb26c5b2b89d932f617fa415a715b2bb259a42bc.zip
Adding upstream version 6.10.6.upstream/6.10.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/intel/intel_hfi.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/thermal/intel/intel_hfi.c b/drivers/thermal/intel/intel_hfi.c
index a180a98bb9..5b18a46a10 100644
--- a/drivers/thermal/intel/intel_hfi.c
+++ b/drivers/thermal/intel/intel_hfi.c
@@ -401,10 +401,10 @@ static void hfi_disable(void)
* intel_hfi_online() - Enable HFI on @cpu
* @cpu: CPU in which the HFI will be enabled
*
- * Enable the HFI to be used in @cpu. The HFI is enabled at the die/package
- * level. The first CPU in the die/package to come online does the full HFI
+ * Enable the HFI to be used in @cpu. The HFI is enabled at the package
+ * level. The first CPU in the package to come online does the full HFI
* initialization. Subsequent CPUs will just link themselves to the HFI
- * instance of their die/package.
+ * instance of their package.
*
* This function is called before enabling the thermal vector in the local APIC
* in order to ensure that @cpu has an associated HFI instance when it receives
@@ -414,31 +414,31 @@ void intel_hfi_online(unsigned int cpu)
{
struct hfi_instance *hfi_instance;
struct hfi_cpu_info *info;
- u16 die_id;
+ u16 pkg_id;
/* Nothing to do if hfi_instances are missing. */
if (!hfi_instances)
return;
/*
- * Link @cpu to the HFI instance of its package/die. It does not
+ * Link @cpu to the HFI instance of its package. It does not
* matter whether the instance has been initialized.
*/
info = &per_cpu(hfi_cpu_info, cpu);
- die_id = topology_logical_die_id(cpu);
+ pkg_id = topology_logical_package_id(cpu);
hfi_instance = info->hfi_instance;
if (!hfi_instance) {
- if (die_id >= max_hfi_instances)
+ if (pkg_id >= max_hfi_instances)
return;
- hfi_instance = &hfi_instances[die_id];
+ hfi_instance = &hfi_instances[pkg_id];
info->hfi_instance = hfi_instance;
}
init_hfi_cpu_index(info);
/*
- * Now check if the HFI instance of the package/die of @cpu has been
+ * Now check if the HFI instance of the package of @cpu has been
* initialized (by checking its header). In such case, all we have to
* do is to add @cpu to this instance's cpumask and enable the instance
* if needed.
@@ -504,7 +504,7 @@ free_hw_table:
*
* On some processors, hardware remembers previous programming settings even
* after being reprogrammed. Thus, keep HFI enabled even if all CPUs in the
- * die/package of @cpu are offline. See note in intel_hfi_online().
+ * package of @cpu are offline. See note in intel_hfi_online().
*/
void intel_hfi_offline(unsigned int cpu)
{
@@ -674,9 +674,13 @@ void __init intel_hfi_init(void)
if (hfi_parse_features())
return;
- /* There is one HFI instance per die/package. */
- max_hfi_instances = topology_max_packages() *
- topology_max_dies_per_package();
+ /*
+ * Note: HFI resources are managed at the physical package scope.
+ * There could be platforms that enumerate packages as Linux dies.
+ * Special handling would be needed if this happens on an HFI-capable
+ * platform.
+ */
+ max_hfi_instances = topology_max_packages();
/*
* This allocation may fail. CPU hotplug callbacks must check