diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/mipsregs.h | 9 | ||||
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 2 |
2 files changed, 10 insertions, 1 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index fb2d17487ec2..98e9754a4b6b 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -1792,6 +1792,15 @@ __BUILD_SET_C0(brcm_cmt_ctrl) __BUILD_SET_C0(brcm_config) __BUILD_SET_C0(brcm_mode) +/* + * Return low 10 bits of ebase. + * Note that under KVM (MIPSVZ) this returns vcpu id. + */ +static inline unsigned int get_ebase_cpunum(void) +{ + return read_c0_ebase() & 0x3ff; +} + #endif /* !__ASSEMBLY__ */ #endif /* _ASM_MIPSREGS_H */ diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index b1b580d69db0..d74f957c561e 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -423,7 +423,7 @@ static void decode_configs(struct cpuinfo_mips *c) #ifndef CONFIG_MIPS_CPS if (cpu_has_mips_r2) { - c->core = read_c0_ebase() & 0x3ff; + c->core = get_ebase_cpunum(); if (cpu_has_mipsmt) c->core >>= fls(core_nvpes()) - 1; } |