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x86/topology: Make __max_die_per_package available unconditionally 

commit 1eb8f690bc upstream.

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

Fixes: 76e2fc63ca ("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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Borislav Petkov 2021-01-14 10:36:59 +01:00 committed by Greg Kroah-Hartman
parent cdb4ce96fd
commit d1a9cd1dc5
2 changed files with 3 additions and 3 deletions
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4
arch/x86/include/asm/topology.h
View File

@ -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;

2
arch/x86/kernel/cpu/topology.c
View File

@ -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
*/