x86/topology: Make __max_die_per_package available unconditionally

Move it outside of CONFIG_SMP in order to avoid ifdeffery at the usage
sites.

Fixes: 76e2fc63ca40 ("x86/cpu/amd: Set __max_die_per_package on AMD")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210114111814.5346-1-bp@alien8.de

diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 488a8e8487548b7bc34ae6567b8a81528ccd3a41..9239399e54914537c5453c77c234d4af7877b403 100644 (file)
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -110,6 +110,8 @@ extern const struct cpumask *cpu_coregroup_mask(int cpu);
 #define topology_die_id(cpu)                   (cpu_data(cpu).cpu_die_id)
 #define topology_core_id(cpu)                  (cpu_data(cpu).cpu_core_id)
 
+extern unsigned int __max_die_per_package;
+
 #ifdef CONFIG_SMP
 #define topology_die_cpumask(cpu)              (per_cpu(cpu_die_map, cpu))
 #define topology_core_cpumask(cpu)             (per_cpu(cpu_core_map, cpu))
@@ -118,8 +120,6 @@ extern const struct cpumask *cpu_coregroup_mask(int cpu);
 extern unsigned int __max_logical_packages;
 #define topology_max_packages()                        (__max_logical_packages)
 
-extern unsigned int __max_die_per_package;
-
 static inline int topology_max_die_per_package(void)
 {
        return __max_die_per_package;

diff --git a/arch/x86/kernel/cpu/topology.c b/arch/x86/kernel/cpu/topology.c
index 1068002c8532391beaed43a7f1125e96a2d929c5..8678864ce7123c35cbb5d0ab09e9ffcd91095e16 100644 (file)
--- a/arch/x86/kernel/cpu/topology.c
+++ b/arch/x86/kernel/cpu/topology.c
@@ -25,10 +25,10 @@
 #define BITS_SHIFT_NEXT_LEVEL(eax)     ((eax) & 0x1f)
 #define LEVEL_MAX_SIBLINGS(ebx)                ((ebx) & 0xffff)
 
-#ifdef CONFIG_SMP
 unsigned int __max_die_per_package __read_mostly = 1;
 EXPORT_SYMBOL(__max_die_per_package);
 
+#ifdef CONFIG_SMP
 /*
  * Check if given CPUID extended toplogy "leaf" is implemented
  */