The following commit has been merged into the x86/apic branch of tip:
Commit-ID: 03fa6bea5a3e13ccbc211af1fa7e75d34239a408
Gitweb: https://git.kernel.org/tip/03fa6bea5a3e13ccbc211af1fa7e75d34239a408
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Tue, 13 Feb 2024 22:04:18 +01:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Thu, 15 Feb 2024 22:07:38 +01:00
x86/cpu: Make topology_amd_node_id() use the actual node info
Now that everything is converted switch it over and remove the intermediate
operation.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Tested-by: Juergen Gross <jgross@xxxxxxxx>
Tested-by: Sohil Mehta <sohil.mehta@xxxxxxxxx>
Tested-by: Michael Kelley <mhklinux@xxxxxxxxxxx>
Tested-by: Zhang Rui <rui.zhang@xxxxxxxxx>
Tested-by: Wang Wendy <wendy.wang@xxxxxxxxx>
Tested-by: K Prateek Nayak <kprateek.nayak@xxxxxxx>
Link: https://lore.kernel.org/r/20240212153625.334185785@xxxxxxxxxxxxx
---
arch/x86/include/asm/topology.h | 4 ++--
arch/x86/kernel/cpu/topology_common.c | 7 ++-----
2 files changed, 4 insertions(+), 7 deletions(-)
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index be27ef7..5d70618 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -136,7 +136,7 @@ extern const struct cpumask *cpu_clustergroup_mask(int cpu);
#define topology_core_id(cpu) (cpu_data(cpu).topo.core_id)
#define topology_ppin(cpu) (cpu_data(cpu).ppin)
-#define topology_amd_node_id(cpu) (cpu_data(cpu).topo.die_id)
+#define topology_amd_node_id(cpu) (cpu_data(cpu).topo.amd_node_id)
extern unsigned int __max_die_per_package;
@@ -172,7 +172,7 @@ extern unsigned int __amd_nodes_per_pkg;
static inline unsigned int topology_amd_nodes_per_pkg(void)
{
- return __max_die_per_package;
+ return __amd_nodes_per_pkg;
}
extern struct cpumask __cpu_primary_thread_mask;
diff --git a/arch/x86/kernel/cpu/topology_common.c b/arch/x86/kernel/cpu/topology_common.c
index ab944d6..afea34d 100644
--- a/arch/x86/kernel/cpu/topology_common.c
+++ b/arch/x86/kernel/cpu/topology_common.c
@@ -151,9 +151,7 @@ static void topo_set_ids(struct topo_scan *tscan)
c->topo.core_id = (apicid & topo_domain_mask(TOPO_PKG_DOMAIN)) >>
x86_topo_system.dom_shifts[TOPO_SMT_DOMAIN];
- /* Temporary workaround */
- if (tscan->amd_nodes_per_pkg)
- c->topo.amd_node_id = c->topo.die_id = tscan->amd_node_id;
+ c->topo.amd_node_id = tscan->amd_node_id;
if (c->x86_vendor == X86_VENDOR_AMD)
cpu_topology_fixup_amd(tscan);
@@ -239,6 +237,5 @@ void __init cpu_init_topology(struct cpuinfo_x86 *c)
* AMD systems have Nodes per package which cannot be mapped to
* APIC ID.
*/
- if (c->x86_vendor == X86_VENDOR_AMD || c->x86_vendor == X86_VENDOR_HYGON)
- __amd_nodes_per_pkg = __max_die_per_package = tscan.amd_nodes_per_pkg;
+ __amd_nodes_per_pkg = tscan.amd_nodes_per_pkg;
}
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