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) | |||
1792 | __BUILD_SET_C0(brcm_config) | 1792 | __BUILD_SET_C0(brcm_config) |
1793 | __BUILD_SET_C0(brcm_mode) | 1793 | __BUILD_SET_C0(brcm_mode) |
1794 | 1794 | ||
1795 | /* | ||
1796 | * Return low 10 bits of ebase. | ||
1797 | * Note that under KVM (MIPSVZ) this returns vcpu id. | ||
1798 | */ | ||
1799 | static inline unsigned int get_ebase_cpunum(void) | ||
1800 | { | ||
1801 | return read_c0_ebase() & 0x3ff; | ||
1802 | } | ||
1803 | |||
1795 | #endif /* !__ASSEMBLY__ */ | 1804 | #endif /* !__ASSEMBLY__ */ |
1796 | 1805 | ||
1797 | #endif /* _ASM_MIPSREGS_H */ | 1806 | #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) | |||
423 | 423 | ||
424 | #ifndef CONFIG_MIPS_CPS | 424 | #ifndef CONFIG_MIPS_CPS |
425 | if (cpu_has_mips_r2) { | 425 | if (cpu_has_mips_r2) { |
426 | c->core = read_c0_ebase() & 0x3ff; | 426 | c->core = get_ebase_cpunum(); |
427 | if (cpu_has_mipsmt) | 427 | if (cpu_has_mipsmt) |
428 | c->core >>= fls(core_nvpes()) - 1; | 428 | c->core >>= fls(core_nvpes()) - 1; |
429 | } | 429 | } |