diff options
Diffstat (limited to 'arch/powerpc/kernel/mce_power.c')
| -rw-r--r-- | arch/powerpc/kernel/mce_power.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/mce_power.c b/arch/powerpc/kernel/mce_power.c index ee62b1975..7353991c4 100644 --- a/arch/powerpc/kernel/mce_power.c +++ b/arch/powerpc/kernel/mce_power.c @@ -72,11 +72,15 @@ void __flush_tlb_power8(unsigned int action) void __flush_tlb_power9(unsigned int action) { + if (radix_enabled()) + flush_tlb_206(POWER9_TLB_SETS_RADIX, action); + flush_tlb_206(POWER9_TLB_SETS_HASH, action); } /* flush SLBs and reload */ +#ifdef CONFIG_PPC_STD_MMU_64 static void flush_and_reload_slb(void) { struct slb_shadow *slb; @@ -110,6 +114,7 @@ static void flush_and_reload_slb(void) asm volatile("slbmte %0,%1" : : "r" (rs), "r" (rb)); } } +#endif static long mce_handle_derror(uint64_t dsisr, uint64_t slb_error_bits) { @@ -120,6 +125,7 @@ static long mce_handle_derror(uint64_t dsisr, uint64_t slb_error_bits) * reset the error bits whenever we handle them so that at the end * we can check whether we handled all of them or not. * */ +#ifdef CONFIG_PPC_STD_MMU_64 if (dsisr & slb_error_bits) { flush_and_reload_slb(); /* reset error bits */ @@ -131,6 +137,7 @@ static long mce_handle_derror(uint64_t dsisr, uint64_t slb_error_bits) /* reset error bits */ dsisr &= ~P7_DSISR_MC_TLB_MULTIHIT_MFTLB; } +#endif /* Any other errors we don't understand? */ if (dsisr & 0xffffffffUL) handled = 0; @@ -150,6 +157,7 @@ static long mce_handle_common_ierror(uint64_t srr1) switch (P7_SRR1_MC_IFETCH(srr1)) { case 0: break; +#ifdef CONFIG_PPC_STD_MMU_64 case P7_SRR1_MC_IFETCH_SLB_PARITY: case P7_SRR1_MC_IFETCH_SLB_MULTIHIT: /* flush and reload SLBs for SLB errors. */ @@ -162,6 +170,7 @@ static long mce_handle_common_ierror(uint64_t srr1) handled = 1; } break; +#endif default: break; } @@ -175,10 +184,12 @@ static long mce_handle_ierror_p7(uint64_t srr1) handled = mce_handle_common_ierror(srr1); +#ifdef CONFIG_PPC_STD_MMU_64 if (P7_SRR1_MC_IFETCH(srr1) == P7_SRR1_MC_IFETCH_SLB_BOTH) { flush_and_reload_slb(); handled = 1; } +#endif return handled; } @@ -321,10 +332,12 @@ static long mce_handle_ierror_p8(uint64_t srr1) handled = mce_handle_common_ierror(srr1); +#ifdef CONFIG_PPC_STD_MMU_64 if (P7_SRR1_MC_IFETCH(srr1) == P8_SRR1_MC_IFETCH_ERAT_MULTIHIT) { flush_and_reload_slb(); handled = 1; } +#endif return handled; } |