diff options
Diffstat (limited to 'arch/mips/include/asm/cpu-info.h')
| -rw-r--r-- | arch/mips/include/asm/cpu-info.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h index 9ae927282b12..0c61bdc82a53 100644 --- a/arch/mips/include/asm/cpu-info.h +++ b/arch/mips/include/asm/cpu-info.h @@ -158,6 +158,23 @@ static inline unsigned int cpu_vpe_id(struct cpuinfo_mips *cpuinfo) extern void cpu_set_core(struct cpuinfo_mips *cpuinfo, unsigned int core); extern void cpu_set_vpe_id(struct cpuinfo_mips *cpuinfo, unsigned int vpe); +static inline bool cpus_are_siblings(int cpua, int cpub) +{ + struct cpuinfo_mips *infoa = &cpu_data[cpua]; + struct cpuinfo_mips *infob = &cpu_data[cpub]; + unsigned int gnuma, gnumb; + + if (infoa->package != infob->package) + return false; + + gnuma = infoa->globalnumber & ~MIPS_GLOBALNUMBER_VP; + gnumb = infob->globalnumber & ~MIPS_GLOBALNUMBER_VP; + if (gnuma != gnumb) + return false; + + return true; +} + static inline unsigned long cpu_asid_inc(void) { return 1 << CONFIG_MIPS_ASID_SHIFT; |