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Subject[PATCH] x86: topology_update_package_map function doesn't use the return value
Date
topology_update_package_map function could remove the return value, and
it could remove the BUG_ON check.

Signed-off-by: Li kunyu <kunyu@nfschina.com>
---
arch/x86/include/asm/topology.h | 6 +++---
arch/x86/kernel/cpu/common.c | 2 +-
arch/x86/kernel/smpboot.c | 3 +--
3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 458c891a8273..eabfb44b63ed 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -136,7 +136,7 @@ static inline int topology_max_smt_threads(void)
return __max_smt_threads;
}

-int topology_update_package_map(unsigned int apicid, unsigned int cpu);
+void topology_update_package_map(unsigned int apicid, unsigned int cpu);
int topology_update_die_map(unsigned int dieid, unsigned int cpu);
int topology_phys_to_logical_pkg(unsigned int pkg);
int topology_phys_to_logical_die(unsigned int die, unsigned int cpu);
@@ -144,8 +144,8 @@ bool topology_is_primary_thread(unsigned int cpu);
bool topology_smt_supported(void);
#else
#define topology_max_packages() (1)
-static inline int
-topology_update_package_map(unsigned int apicid, unsigned int cpu) { return 0; }
+static inline void
+topology_update_package_map(unsigned int apicid, unsigned int cpu) { }
static inline int
topology_update_die_map(unsigned int dieid, unsigned int cpu) { return 0; }
static inline int topology_phys_to_logical_pkg(unsigned int pkg) { return 0; }
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index c296cb1c0113..22d19a1feafd 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1673,7 +1673,7 @@ static void validate_apic_and_package_id(struct cpuinfo_x86 *c)
pr_err(FW_BUG "CPU%u: APIC id mismatch. Firmware: %x APIC: %x\n",
cpu, apicid, c->initial_apicid);
}
- BUG_ON(topology_update_package_map(c->phys_proc_id, cpu));
+ topology_update_package_map(c->phys_proc_id, cpu);
BUG_ON(topology_update_die_map(c->cpu_die_id, cpu));
#else
c->logical_proc_id = 0;
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 5e7f9532a10d..20c67cca245b 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -327,7 +327,7 @@ EXPORT_SYMBOL(topology_phys_to_logical_die);
* @pkg: The physical package id as retrieved via CPUID
* @cpu: The cpu for which this is updated
*/
-int topology_update_package_map(unsigned int pkg, unsigned int cpu)
+void topology_update_package_map(unsigned int pkg, unsigned int cpu)
{
int new;

@@ -343,7 +343,6 @@ int topology_update_package_map(unsigned int pkg, unsigned int cpu)
}
found:
cpu_data(cpu).logical_proc_id = new;
- return 0;
}
/**
* topology_update_die_map - Update the physical to logical die map
--
2.18.2
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