From: Thomas Gleixner <[email protected]>
The new topology CPUID parser installs already fake topology for XEN/PV,
which ends up with cpuinfo::max_cores = 1.
Signed-off-by: Thomas Gleixner <[email protected]>
Tested-by: Juergen Gross <[email protected]>
Tested-by: Sohil Mehta <[email protected]>
Tested-by: Michael Kelley <[email protected]>
Tested-by: Zhang Rui <[email protected]>
Tested-by: Wang Wendy <[email protected]>
---
arch/x86/xen/smp_pv.c | 3 ---
1 file changed, 3 deletions(-)
---
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -73,7 +73,6 @@ static void cpu_bringup(void)
}
cpu = smp_processor_id();
smp_store_cpu_info(cpu);
- cpu_data(cpu).x86_max_cores = 1;
set_cpu_sibling_map(cpu);
speculative_store_bypass_ht_init();
@@ -224,8 +223,6 @@ static void __init xen_pv_smp_prepare_cp
smp_prepare_cpus_common();
- cpu_data(0).x86_max_cores = 1;
-
speculative_store_bypass_ht_init();
xen_pmu_init(0);
The following commit has been merged into the x86/apic branch of tip:
Commit-ID: d5474e4d2c91b3f27864e9898f7f6e49daf26d93
Gitweb: https://git.kernel.org/tip/d5474e4d2c91b3f27864e9898f7f6e49daf26d93
Author: Thomas Gleixner <[email protected]>
AuthorDate: Tue, 13 Feb 2024 22:04:24 +01:00
Committer: Thomas Gleixner <[email protected]>
CommitterDate: Thu, 15 Feb 2024 22:07:38 +01:00
x86/xen/smp_pv: Remove cpudata fiddling
The new topology CPUID parser installs already fake topology for XEN/PV,
which ends up with cpuinfo::max_cores = 1.
Signed-off-by: Thomas Gleixner <[email protected]>
Tested-by: Juergen Gross <[email protected]>
Tested-by: Sohil Mehta <[email protected]>
Tested-by: Michael Kelley <[email protected]>
Tested-by: Zhang Rui <[email protected]>
Tested-by: Wang Wendy <[email protected]>
Tested-by: K Prateek Nayak <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
---
arch/x86/xen/smp_pv.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c
index a0f07bb..3ae29c2 100644
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -73,7 +73,6 @@ static void cpu_bringup(void)
}
cpu = smp_processor_id();
smp_store_cpu_info(cpu);
- cpu_data(cpu).x86_max_cores = 1;
set_cpu_sibling_map(cpu);
speculative_store_bypass_ht_init();
@@ -224,8 +223,6 @@ static void __init xen_pv_smp_prepare_cpus(unsigned int max_cpus)
smp_prepare_cpus_common();
- cpu_data(0).x86_max_cores = 1;
-
speculative_store_bypass_ht_init();
xen_pmu_init(0);