diff options
Diffstat (limited to 'arch/powerpc/kernel')
34 files changed, 478 insertions, 457 deletions
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 36e1c8a29be8..54b935f2f5de 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -128,6 +128,7 @@ int main(void) DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page)); /* paca */ DEFINE(PACA_SIZE, sizeof(struct paca_struct)); + DEFINE(PACA_LOCK_TOKEN, offsetof(struct paca_struct, lock_token)); DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index)); DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start)); DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack)); @@ -187,7 +188,9 @@ int main(void) DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1)); DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int)); DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int)); + DEFINE(LPPACA_PMCINUSE, offsetof(struct lppaca, pmcregs_in_use)); DEFINE(LPPACA_DTLIDX, offsetof(struct lppaca, dtl_idx)); + DEFINE(LPPACA_YIELDCOUNT, offsetof(struct lppaca, yield_count)); DEFINE(PACA_DTL_RIDX, offsetof(struct paca_struct, dtl_ridx)); #endif /* CONFIG_PPC_STD_MMU_64 */ DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp)); @@ -198,11 +201,6 @@ int main(void) DEFINE(PACA_USER_TIME, offsetof(struct paca_struct, user_time)); DEFINE(PACA_SYSTEM_TIME, offsetof(struct paca_struct, system_time)); DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save)); -#ifdef CONFIG_KVM_BOOK3S_64_HANDLER - DEFINE(PACA_KVM_SVCPU, offsetof(struct paca_struct, shadow_vcpu)); - DEFINE(SVCPU_SLB, offsetof(struct kvmppc_book3s_shadow_vcpu, slb)); - DEFINE(SVCPU_SLB_MAX, offsetof(struct kvmppc_book3s_shadow_vcpu, slb_max)); -#endif #endif /* CONFIG_PPC64 */ /* RTAS */ @@ -397,67 +395,160 @@ int main(void) DEFINE(VCPU_HOST_PID, offsetof(struct kvm_vcpu, arch.host_pid)); DEFINE(VCPU_GPRS, offsetof(struct kvm_vcpu, arch.gpr)); DEFINE(VCPU_VRSAVE, offsetof(struct kvm_vcpu, arch.vrsave)); + DEFINE(VCPU_FPRS, offsetof(struct kvm_vcpu, arch.fpr)); + DEFINE(VCPU_FPSCR, offsetof(struct kvm_vcpu, arch.fpscr)); +#ifdef CONFIG_ALTIVEC + DEFINE(VCPU_VRS, offsetof(struct kvm_vcpu, arch.vr)); + DEFINE(VCPU_VSCR, offsetof(struct kvm_vcpu, arch.vscr)); +#endif +#ifdef CONFIG_VSX + DEFINE(VCPU_VSRS, offsetof(struct kvm_vcpu, arch.vsr)); +#endif + DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer)); + DEFINE(VCPU_CTR, offsetof(struct kvm_vcpu, arch.ctr)); + DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr)); + DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr)); + DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc)); +#ifdef CONFIG_KVM_BOOK3S_64_HV + DEFINE(VCPU_MSR, offsetof(struct kvm_vcpu, arch.shregs.msr)); + DEFINE(VCPU_SRR0, offsetof(struct kvm_vcpu, arch.shregs.srr0)); + DEFINE(VCPU_SRR1, offsetof(struct kvm_vcpu, arch.shregs.srr1)); + DEFINE(VCPU_SPRG0, offsetof(struct kvm_vcpu, arch.shregs.sprg0)); + DEFINE(VCPU_SPRG1, offsetof(struct kvm_vcpu, arch.shregs.sprg1)); + DEFINE(VCPU_SPRG2, offsetof(struct kvm_vcpu, arch.shregs.sprg2)); + DEFINE(VCPU_SPRG3, offsetof(struct kvm_vcpu, arch.shregs.sprg3)); +#endif DEFINE(VCPU_SPRG4, offsetof(struct kvm_vcpu, arch.sprg4)); DEFINE(VCPU_SPRG5, offsetof(struct kvm_vcpu, arch.sprg5)); DEFINE(VCPU_SPRG6, offsetof(struct kvm_vcpu, arch.sprg6)); DEFINE(VCPU_SPRG7, offsetof(struct kvm_vcpu, arch.sprg7)); DEFINE(VCPU_SHADOW_PID, offsetof(struct kvm_vcpu, arch.shadow_pid)); + DEFINE(VCPU_SHADOW_PID1, offsetof(struct kvm_vcpu, arch.shadow_pid1)); DEFINE(VCPU_SHARED, offsetof(struct kvm_vcpu, arch.shared)); DEFINE(VCPU_SHARED_MSR, offsetof(struct kvm_vcpu_arch_shared, msr)); + DEFINE(VCPU_SHADOW_MSR, offsetof(struct kvm_vcpu, arch.shadow_msr)); /* book3s */ +#ifdef CONFIG_KVM_BOOK3S_64_HV + DEFINE(KVM_LPID, offsetof(struct kvm, arch.lpid)); + DEFINE(KVM_SDR1, offsetof(struct kvm, arch.sdr1)); + DEFINE(KVM_HOST_LPID, offsetof(struct kvm, arch.host_lpid)); + DEFINE(KVM_HOST_LPCR, offsetof(struct kvm, arch.host_lpcr)); + DEFINE(KVM_HOST_SDR1, offsetof(struct kvm, arch.host_sdr1)); + DEFINE(KVM_TLBIE_LOCK, offsetof(struct kvm, arch.tlbie_lock)); + DEFINE(KVM_ONLINE_CPUS, offsetof(struct kvm, online_vcpus.counter)); + DEFINE(KVM_LAST_VCPU, offsetof(struct kvm, arch.last_vcpu)); + DEFINE(KVM_LPCR, offsetof(struct kvm, arch.lpcr)); + DEFINE(KVM_RMOR, offsetof(struct kvm, arch.rmor)); + DEFINE(VCPU_DSISR, offsetof(struct kvm_vcpu, arch.shregs.dsisr)); + DEFINE(VCPU_DAR, offsetof(struct kvm_vcpu, arch.shregs.dar)); +#endif #ifdef CONFIG_PPC_BOOK3S + DEFINE(VCPU_KVM, offsetof(struct kvm_vcpu, kvm)); + DEFINE(VCPU_VCPUID, offsetof(struct kvm_vcpu, vcpu_id)); DEFINE(VCPU_HOST_RETIP, offsetof(struct kvm_vcpu, arch.host_retip)); DEFINE(VCPU_HOST_MSR, offsetof(struct kvm_vcpu, arch.host_msr)); - DEFINE(VCPU_SHADOW_MSR, offsetof(struct kvm_vcpu, arch.shadow_msr)); + DEFINE(VCPU_PURR, offsetof(struct kvm_vcpu, arch.purr)); + DEFINE(VCPU_SPURR, offsetof(struct kvm_vcpu, arch.spurr)); + DEFINE(VCPU_DSCR, offsetof(struct kvm_vcpu, arch.dscr)); + DEFINE(VCPU_AMR, offsetof(struct kvm_vcpu, arch.amr)); + DEFINE(VCPU_UAMOR, offsetof(struct kvm_vcpu, arch.uamor)); + DEFINE(VCPU_CTRL, offsetof(struct kvm_vcpu, arch.ctrl)); + DEFINE(VCPU_DABR, offsetof(struct kvm_vcpu, arch.dabr)); DEFINE(VCPU_TRAMPOLINE_LOWMEM, offsetof(struct kvm_vcpu, arch.trampoline_lowmem)); DEFINE(VCPU_TRAMPOLINE_ENTER, offsetof(struct kvm_vcpu, arch.trampoline_enter)); DEFINE(VCPU_HIGHMEM_HANDLER, offsetof(struct kvm_vcpu, arch.highmem_handler)); DEFINE(VCPU_RMCALL, offsetof(struct kvm_vcpu, arch.rmcall)); DEFINE(VCPU_HFLAGS, offsetof(struct kvm_vcpu, arch.hflags)); + DEFINE(VCPU_DEC, offsetof(struct kvm_vcpu, arch.dec)); + DEFINE(VCPU_DEC_EXPIRES, offsetof(struct kvm_vcpu, arch.dec_expires)); + DEFINE(VCPU_PENDING_EXC, offsetof(struct kvm_vcpu, arch.pending_exceptions)); + DEFINE(VCPU_VPA, offsetof(struct kvm_vcpu, arch.vpa)); + DEFINE(VCPU_MMCR, offsetof(struct kvm_vcpu, arch.mmcr)); + DEFINE(VCPU_PMC, offsetof(struct kvm_vcpu, arch.pmc)); + DEFINE(VCPU_SLB, offsetof(struct kvm_vcpu, arch.slb)); + DEFINE(VCPU_SLB_MAX, offsetof(struct kvm_vcpu, arch.slb_max)); + DEFINE(VCPU_SLB_NR, offsetof(struct kvm_vcpu, arch.slb_nr)); + DEFINE(VCPU_LAST_CPU, offsetof(struct kvm_vcpu, arch.last_cpu)); + DEFINE(VCPU_FAULT_DSISR, offsetof(struct kvm_vcpu, arch.fault_dsisr)); + DEFINE(VCPU_FAULT_DAR, offsetof(struct kvm_vcpu, arch.fault_dar)); + DEFINE(VCPU_LAST_INST, offsetof(struct kvm_vcpu, arch.last_inst)); + DEFINE(VCPU_TRAP, offsetof(struct kvm_vcpu, arch.trap)); + DEFINE(VCPU_PTID, offsetof(struct kvm_vcpu, arch.ptid)); + DEFINE(VCORE_ENTRY_EXIT, offsetof(struct kvmppc_vcore, entry_exit_count)); + DEFINE(VCORE_NAP_COUNT, offsetof(struct kvmppc_vcore, nap_count)); + DEFINE(VCORE_IN_GUEST, offsetof(struct kvmppc_vcore, in_guest)); DEFINE(VCPU_SVCPU, offsetof(struct kvmppc_vcpu_book3s, shadow_vcpu) - offsetof(struct kvmppc_vcpu_book3s, vcpu)); - DEFINE(SVCPU_CR, offsetof(struct kvmppc_book3s_shadow_vcpu, cr)); - DEFINE(SVCPU_XER, offsetof(struct kvmppc_book3s_shadow_vcpu, xer)); - DEFINE(SVCPU_CTR, offsetof(struct kvmppc_book3s_shadow_vcpu, ctr)); - DEFINE(SVCPU_LR, offsetof(struct kvmppc_book3s_shadow_vcpu, lr)); - DEFINE(SVCPU_PC, offsetof(struct kvmppc_book3s_shadow_vcpu, pc)); - DEFINE(SVCPU_R0, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[0])); - DEFINE(SVCPU_R1, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[1])); - DEFINE(SVCPU_R2, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[2])); - DEFINE(SVCPU_R3, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[3])); - DEFINE(SVCPU_R4, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[4])); - DEFINE(SVCPU_R5, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[5])); - DEFINE(SVCPU_R6, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[6])); - DEFINE(SVCPU_R7, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[7])); - DEFINE(SVCPU_R8, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[8])); - DEFINE(SVCPU_R9, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[9])); - DEFINE(SVCPU_R10, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[10])); - DEFINE(SVCPU_R11, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[11])); - DEFINE(SVCPU_R12, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[12])); - DEFINE(SVCPU_R13, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[13])); - DEFINE(SVCPU_HOST_R1, offsetof(struct kvmppc_book3s_shadow_vcpu, host_r1)); - DEFINE(SVCPU_HOST_R2, offsetof(struct kvmppc_book3s_shadow_vcpu, host_r2)); - DEFINE(SVCPU_VMHANDLER, offsetof(struct kvmppc_book3s_shadow_vcpu, - vmhandler)); - DEFINE(SVCPU_SCRATCH0, offsetof(struct kvmppc_book3s_shadow_vcpu, - scratch0)); - DEFINE(SVCPU_SCRATCH1, offsetof(struct kvmppc_book3s_shadow_vcpu, - scratch1)); - DEFINE(SVCPU_IN_GUEST, offsetof(struct kvmppc_book3s_shadow_vcpu, - in_guest)); - DEFINE(SVCPU_FAULT_DSISR, offsetof(struct kvmppc_book3s_shadow_vcpu, - fault_dsisr)); - DEFINE(SVCPU_FAULT_DAR, offsetof(struct kvmppc_book3s_shadow_vcpu, - fault_dar)); - DEFINE(SVCPU_LAST_INST, offsetof(struct kvmppc_book3s_shadow_vcpu, - last_inst)); - DEFINE(SVCPU_SHADOW_SRR1, offsetof(struct kvmppc_book3s_shadow_vcpu, - shadow_srr1)); + DEFINE(VCPU_SLB_E, offsetof(struct kvmppc_slb, orige)); + DEFINE(VCPU_SLB_V, offsetof(struct kvmppc_slb, origv)); + DEFINE(VCPU_SLB_SIZE, sizeof(struct kvmppc_slb)); + +#ifdef CONFIG_PPC_BOOK3S_64 +#ifdef CONFIG_KVM_BOOK3S_PR +# define SVCPU_FIELD(x, f) DEFINE(x, offsetof(struct paca_struct, shadow_vcpu.f)) +#else +# define SVCPU_FIELD(x, f) +#endif +# define HSTATE_FIELD(x, f) DEFINE(x, offsetof(struct paca_struct, kvm_hstate.f)) +#else /* 32-bit */ +# define SVCPU_FIELD(x, f) DEFINE(x, offsetof(struct kvmppc_book3s_shadow_vcpu, f)) +# define HSTATE_FIELD(x, f) DEFINE(x, offsetof(struct kvmppc_book3s_shadow_vcpu, hstate.f)) +#endif + + SVCPU_FIELD(SVCPU_CR, cr); + SVCPU_FIELD(SVCPU_XER, xer); + SVCPU_FIELD(SVCPU_CTR, ctr); + SVCPU_FIELD(SVCPU_LR, lr); + SVCPU_FIELD(SVCPU_PC, pc); + SVCPU_FIELD(SVCPU_R0, gpr[0]); + SVCPU_FIELD(SVCPU_R1, gpr[1]); + SVCPU_FIELD(SVCPU_R2, gpr[2]); + SVCPU_FIELD(SVCPU_R3, gpr[3]); + SVCPU_FIELD(SVCPU_R4, gpr[4]); + SVCPU_FIELD(SVCPU_R5, gpr[5]); + SVCPU_FIELD(SVCPU_R6, gpr[6]); + SVCPU_FIELD(SVCPU_R7, gpr[7]); + SVCPU_FIELD(SVCPU_R8, gpr[8]); + SVCPU_FIELD(SVCPU_R9, gpr[9]); + SVCPU_FIELD(SVCPU_R10, gpr[10]); + SVCPU_FIELD(SVCPU_R11, gpr[11]); + SVCPU_FIELD(SVCPU_R12, gpr[12]); + SVCPU_FIELD(SVCPU_R13, gpr[13]); + SVCPU_FIELD(SVCPU_FAULT_DSISR, fault_dsisr); + SVCPU_FIELD(SVCPU_FAULT_DAR, fault_dar); + SVCPU_FIELD(SVCPU_LAST_INST, last_inst); + SVCPU_FIELD(SVCPU_SHADOW_SRR1, shadow_srr1); #ifdef CONFIG_PPC_BOOK3S_32 - DEFINE(SVCPU_SR, offsetof(struct kvmppc_book3s_shadow_vcpu, sr)); + SVCPU_FIELD(SVCPU_SR, sr); #endif -#else +#ifdef CONFIG_PPC64 + SVCPU_FIELD(SVCPU_SLB, slb); + SVCPU_FIELD(SVCPU_SLB_MAX, slb_max); +#endif + + HSTATE_FIELD(HSTATE_HOST_R1, host_r1); + HSTATE_FIELD(HSTATE_HOST_R2, host_r2); + HSTATE_FIELD(HSTATE_HOST_MSR, host_msr); + HSTATE_FIELD(HSTATE_VMHANDLER, vmhandler); + HSTATE_FIELD(HSTATE_SCRATCH0, scratch0); + HSTATE_FIELD(HSTATE_SCRATCH1, scratch1); + HSTATE_FIELD(HSTATE_IN_GUEST, in_guest); + +#ifdef CONFIG_KVM_BOOK3S_64_HV + HSTATE_FIELD(HSTATE_KVM_VCPU, kvm_vcpu); + HSTATE_FIELD(HSTATE_KVM_VCORE, kvm_vcore); + HSTATE_FIELD(HSTATE_XICS_PHYS, xics_phys); + HSTATE_FIELD(HSTATE_MMCR, host_mmcr); + HSTATE_FIELD(HSTATE_PMC, host_pmc); + HSTATE_FIELD(HSTATE_PURR, host_purr); + HSTATE_FIELD(HSTATE_SPURR, host_spurr); + HSTATE_FIELD(HSTATE_DSCR, host_dscr); + HSTATE_FIELD(HSTATE_DABR, dabr); + HSTATE_FIELD(HSTATE_DECEXP, dec_expires); +#endif /* CONFIG_KVM_BOOK3S_64_HV */ + +#else /* CONFIG_PPC_BOOK3S */ DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr)); DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer)); DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr)); @@ -467,7 +558,7 @@ int main(void) DEFINE(VCPU_FAULT_DEAR, offsetof(struct kvm_vcpu, arch.fault_dear)); DEFINE(VCPU_FAULT_ESR, offsetof(struct kvm_vcpu, arch.fault_esr)); #endif /* CONFIG_PPC_BOOK3S */ -#endif +#endif /* CONFIG_KVM */ #ifdef CONFIG_KVM_GUEST DEFINE(KVM_MAGIC_SCRATCH1, offsetof(struct kvm_vcpu_arch_shared, @@ -497,6 +588,13 @@ int main(void) DEFINE(TLBCAM_MAS7, offsetof(struct tlbcam, MAS7)); #endif +#if defined(CONFIG_KVM) && defined(CONFIG_SPE) + DEFINE(VCPU_EVR, offsetof(struct kvm_vcpu, arch.evr[0])); + DEFINE(VCPU_ACC, offsetof(struct kvm_vcpu, arch.acc)); + DEFINE(VCPU_SPEFSCR, offsetof(struct kvm_vcpu, arch.spefscr)); + DEFINE(VCPU_HOST_SPEFSCR, offsetof(struct kvm_vcpu, arch.host_spefscr)); +#endif + #ifdef CONFIG_KVM_EXIT_TIMING DEFINE(VCPU_TIMING_EXIT_TBU, offsetof(struct kvm_vcpu, arch.timing_exit.tv32.tbu)); diff --git a/arch/powerpc/kernel/cpu_setup_power7.S b/arch/powerpc/kernel/cpu_setup_power7.S index 4f9a93fcfe07..76797c5105d6 100644 --- a/arch/powerpc/kernel/cpu_setup_power7.S +++ b/arch/powerpc/kernel/cpu_setup_power7.S @@ -45,12 +45,12 @@ _GLOBAL(__restore_cpu_power7) blr __init_hvmode_206: - /* Disable CPU_FTR_HVMODE_206 and exit if MSR:HV is not set */ + /* Disable CPU_FTR_HVMODE and exit if MSR:HV is not set */ mfmsr r3 rldicl. r0,r3,4,63 bnelr ld r5,CPU_SPEC_FEATURES(r4) - LOAD_REG_IMMEDIATE(r6,CPU_FTR_HVMODE_206) + LOAD_REG_IMMEDIATE(r6,CPU_FTR_HVMODE) xor r5,r5,r6 std r5,CPU_SPEC_FEATURES(r4) blr @@ -61,19 +61,23 @@ __init_LPCR: * LPES = 0b01 (HSRR0/1 used for 0x500) * PECE = 0b111 * DPFD = 4 + * HDICE = 0 + * VC = 0b100 (VPM0=1, VPM1=0, ISL=0) + * VRMASD = 0b10000 (L=1, LP=00) * * Other bits untouched for now */ mfspr r3,SPRN_LPCR - ori r3,r3,(LPCR_LPES0|LPCR_LPES1) - xori r3,r3, LPCR_LPES0 + li r5,1 + rldimi r3,r5, LPCR_LPES_SH, 64-LPCR_LPES_SH-2 ori r3,r3,(LPCR_PECE0|LPCR_PECE1|LPCR_PECE2) - li r5,7 - sldi r5,r5,LPCR_DPFD_SH - andc r3,r3,r5 li r5,4 - sldi r5,r5,LPCR_DPFD_SH - or r3,r3,r5 + rldimi r3,r5, LPCR_DPFD_SH, 64-LPCR_DPFD_SH-3 + clrrdi r3,r3,1 /* clear HDICE */ + li r5,4 + rldimi r3,r5, LPCR_VC_SH, 0 + li r5,0x10 + rldimi r3,r5, LPCR_VRMASD_SH, 64-LPCR_VRMASD_SH-5 mtspr SPRN_LPCR,r3 isync blr diff --git a/arch/powerpc/kernel/cpu_setup_ppc970.S b/arch/powerpc/kernel/cpu_setup_ppc970.S index 27f2507279d8..12fac8df01c5 100644 --- a/arch/powerpc/kernel/cpu_setup_ppc970.S +++ b/arch/powerpc/kernel/cpu_setup_ppc970.S @@ -76,7 +76,7 @@ _GLOBAL(__setup_cpu_ppc970) /* Do nothing if not running in HV mode */ mfmsr r0 rldicl. r0,r0,4,63 - beqlr + beq no_hv_mode mfspr r0,SPRN_HID0 li r11,5 /* clear DOZE and SLEEP */ @@ -90,7 +90,7 @@ _GLOBAL(__setup_cpu_ppc970MP) /* Do nothing if not running in HV mode */ mfmsr r0 rldicl. r0,r0,4,63 - beqlr + beq no_hv_mode mfspr r0,SPRN_HID0 li r11,0x15 /* clear DOZE and SLEEP */ @@ -109,6 +109,14 @@ load_hids: sync isync + /* Try to set LPES = 01 in HID4 */ + mfspr r0,SPRN_HID4 + clrldi r0,r0,1 /* clear LPES0 */ + ori r0,r0,HID4_LPES1 /* set LPES1 */ + sync + mtspr SPRN_HID4,r0 + isync + /* Save away cpu state */ LOAD_REG_ADDR(r5,cpu_state_storage) @@ -117,11 +125,21 @@ load_hids: std r3,CS_HID0(r5) mfspr r3,SPRN_HID1 std r3,CS_HID1(r5) - mfspr r3,SPRN_HID4 - std r3,CS_HID4(r5) + mfspr r4,SPRN_HID4 + std r4,CS_HID4(r5) mfspr r3,SPRN_HID5 std r3,CS_HID5(r5) + /* See if we successfully set LPES1 to 1; if not we are in Apple mode */ + andi. r4,r4,HID4_LPES1 + bnelr + +no_hv_mode: + /* Disable CPU_FTR_HVMODE and exit, since we don't have HV mode */ + ld r5,CPU_SPEC_FEATURES(r4) + LOAD_REG_IMMEDIATE(r6,CPU_FTR_HVMODE) + andc r5,r5,r6 + std r5,CPU_SPEC_FEATURES(r4) blr /* Called with no MMU context (typically MSR:IR/DR off) to diff --git a/arch/powerpc/kernel/e500-pmu.c b/arch/powerpc/kernel/e500-pmu.c index b150b510510f..cb2e2949c8d1 100644 --- a/arch/powerpc/kernel/e500-pmu.c +++ b/arch/powerpc/kernel/e500-pmu.c @@ -75,6 +75,11 @@ static int e500_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { [C(OP_WRITE)] = { -1, -1 }, [C(OP_PREFETCH)] = { -1, -1 }, }, + [C(NODE)] = { /* RESULT_ACCESS RESULT_MISS */ + [C(OP_READ)] = { -1, -1 }, + [C(OP_WRITE)] = { -1, -1 }, + [C(OP_PREFETCH)] = { -1, -1 }, + }, }; static int num_events = 128; diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index a85f4874cba7..41b02c792aa3 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -40,7 +40,6 @@ __start_interrupts: .globl system_reset_pSeries; system_reset_pSeries: HMT_MEDIUM; - DO_KVM 0x100; SET_SCRATCH0(r13) #ifdef CONFIG_PPC_P7_NAP BEGIN_FTR_SECTION @@ -50,82 +49,73 @@ BEGIN_FTR_SECTION * state loss at this time. */ mfspr r13,SPRN_SRR1 - rlwinm r13,r13,47-31,30,31 - cmpwi cr0,r13,1 - bne 1f - b .power7_wakeup_noloss -1: cmpwi cr0,r13,2 - bne 1f - b .power7_wakeup_loss + rlwinm. r13,r13,47-31,30,31 + beq 9f + + /* waking up from powersave (nap) state */ + cmpwi cr1,r13,2 /* Total loss of HV state is fatal, we could try to use the * PIR to locate a PACA, then use an emergency stack etc... * but for now, let's just stay stuck here */ -1: cmpwi cr0,r13,3 - beq . -END_FTR_SECTION_IFSET(CPU_FTR_HVMODE_206) + bgt cr1,. + GET_PACA(r13) + +#ifdef CONFIG_KVM_BOOK3S_64_HV + lbz r0,PACAPROCSTART(r13) + cmpwi r0,0x80 + bne 1f + li r0,0 + stb r0,PACAPROCSTART(r13) + b kvm_start_guest +1: +#endif + + beq cr1,2f + b .power7_wakeup_noloss +2: b .power7_wakeup_loss +9: +END_FTR_SECTION_IFSET(CPU_FTR_HVMODE | CPU_FTR_ARCH_206) #endif /* CONFIG_PPC_P7_NAP */ - EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, system_reset_common, EXC_STD) + EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, system_reset_common, EXC_STD, + NOTEST, 0x100) . = 0x200 -_machine_check_pSeries: - HMT_MEDIUM - DO_KVM 0x200 - SET_SCRATCH0(r13) - EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common, EXC_STD) +machine_check_pSeries_1: + /* This is moved out of line as it can be patched by FW, but + * some code path might still want to branch into the original + * vector + */ + b machine_check_pSeries . = 0x300 .globl data_access_pSeries data_access_pSeries: HMT_MEDIUM - DO_KVM 0x300 SET_SCRATCH0(r13) +#ifndef CONFIG_POWER4_ONLY BEGIN_FTR_SECTION - GET_PACA(r13) - std r9,PACA_EXSLB+EX_R9(r13) - std r10,PACA_EXSLB+EX_R10(r13) - mfspr r10,SPRN_DAR - mfspr r9,SPRN_DSISR - srdi r10,r10,60 - rlwimi r10,r9,16,0x20 - mfcr r9 - cmpwi r10,0x2c - beq do_stab_bolted_pSeries - ld r10,PACA_EXSLB+EX_R10(r13) - std r11,PACA_EXGEN+EX_R11(r13) - ld r11,PACA_EXSLB+EX_R9(r13) - std r12,PACA_EXGEN+EX_R12(r13) - GET_SCRATCH0(r12) - std r10,PACA_EXGEN+EX_R10(r13) - std r11,PACA_EXGEN+EX_R9(r13) - std r12,PACA_EXGEN+EX_R13(r13) - EXCEPTION_PROLOG_PSERIES_1(data_access_common, EXC_STD) -FTR_SECTION_ELSE - EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, data_access_common, EXC_STD) -ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_SLB) + b data_access_check_stab +data_access_not_stab: +END_MMU_FTR_SECTION_IFCLR(MMU_FTR_SLB) +#endif + EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, data_access_common, EXC_STD, + KVMTEST_PR, 0x300) . = 0x380 .globl data_access_slb_pSeries data_access_slb_pSeries: HMT_MEDIUM - DO_KVM 0x380 SET_SCRATCH0(r13) - GET_PACA(r13) + EXCEPTION_PROLOG_1(PACA_EXSLB, KVMTEST_PR, 0x380) std r3,PACA_EXSLB+EX_R3(r13) mfspr r3,SPRN_DAR - std r9,PACA_EXSLB+EX_R9(r13) /* save r9 - r12 */ - mfcr r9 #ifdef __DISABLED__ /* Keep that around for when we re-implement dynamic VSIDs */ cmpdi r3,0 bge slb_miss_user_pseries #endif /* __DISABLED__ */ - std r10,PACA_EXSLB+EX_R10(r13) - std r11,PACA_EXSLB+EX_R11(r13) - std r12,PACA_EXSLB+EX_R12(r13) - GET_SCRATCH0(r10) - std r10,PACA_EXSLB+EX_R13(r13) - mfspr r12,SPRN_SRR1 /* and SRR1 */ + mfspr r12,SPRN_SRR1 #ifndef CONFIG_RELOCATABLE b .slb_miss_realmode #else @@ -147,24 +137,16 @@ data_access_slb_pSeries: .globl instruction_access_slb_pSeries instruction_access_slb_pSeries: HMT_MEDIUM - DO_KVM 0x480 SET_SCRATCH0(r13) - GET_PACA(r13) + EXCEPTION_PROLOG_1(PACA_EXSLB, KVMTEST_PR, 0x480) std r3,PACA_EXSLB+EX_R3(r13) mfspr r3,SPRN_SRR0 /* SRR0 is faulting address */ - std r9,PACA_EXSLB+EX_R9(r13) /* save r9 - r12 */ - mfcr r9 #ifdef __DISABLED__ /* Keep that around for when we re-implement dynamic VSIDs */ cmpdi r3,0 bge slb_miss_user_pseries #endif /* __DISABLED__ */ - std r10,PACA_EXSLB+EX_R10(r13) - std r11,PACA_EXSLB+EX_R11(r13) - std r12,PACA_EXSLB+EX_R12(r13) - GET_SCRATCH0(r10) - std r10,PACA_EXSLB+EX_R13(r13) - mfspr r12,SPRN_SRR1 /* and SRR1 */ + mfspr r12,SPRN_SRR1 #ifndef CONFIG_RELOCATABLE b .slb_miss_realmode #else @@ -184,26 +166,46 @@ instruction_access_slb_pSeries: hardware_interrupt_pSeries: hardware_interrupt_hv: BEGIN_FTR_SECTION - _MASKABLE_EXCEPTION_PSERIES(0x500, hardware_interrupt, EXC_STD) + _MASKABLE_EXCEPTION_PSERIES(0x502, hardware_interrupt, + EXC_HV, SOFTEN_TEST_HV) + KVM_HANDLER(PACA_EXGEN, EXC_HV, 0x502) FTR_SECTION_ELSE - _MASKABLE_EXCEPTION_PSERIES(0x502, hardware_interrupt, EXC_HV) - ALT_FTR_SECTION_END_IFCLR(CPU_FTR_HVMODE_206) + _MASKABLE_EXCEPTION_PSERIES(0x500, hardware_interrupt, + EXC_STD, SOFTEN_TEST_HV_201) + KVM_HANDLER(PACA_EXGEN, EXC_STD, 0x500) + ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE | CPU_FTR_ARCH_206) STD_EXCEPTION_PSERIES(0x600, 0x600, alignment) + KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0x600) + STD_EXCEPTION_PSERIES(0x700, 0x700, program_check) + KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0x700) + STD_EXCEPTION_PSERIES(0x800, 0x800, fp_unavailable) + KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0x800) MASKABLE_EXCEPTION_PSERIES(0x900, 0x900, decrementer) - MASKABLE_EXCEPTION_HV(0x980, 0x980, decrementer) + MASKABLE_EXCEPTION_HV(0x980, 0x982, decrementer) STD_EXCEPTION_PSERIES(0xa00, 0xa00, trap_0a) + KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0xa00) + STD_EXCEPTION_PSERIES(0xb00, 0xb00, trap_0b) + KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0xb00) . = 0xc00 .globl system_call_pSeries system_call_pSeries: HMT_MEDIUM - DO_KVM 0xc00 +#ifdef CONFIG_KVM_BOOK3S_64_HANDLER + SET_SCRATCH0(r13) + GET_PACA(r13) + std r9,PACA_EXGEN+EX_R9(r13) + std r10,PACA_EXGEN+EX_R10(r13) + mfcr r9 + KVMTEST(0xc00) + GET_SCRATCH0(r13) +#endif BEGIN_FTR_SECTION cmpdi r0,0x1ebe beq- 1f @@ -220,6 +222,8 @@ END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE) rfid b . /* prevent speculative execution */ + KVM_HANDLER(PACA_EXGEN, EXC_STD, 0xc00) + /* Fast LE/BE switch system call */ 1: mfspr r12,SPRN_SRR1 xori r12,r12,MSR_LE @@ -228,6 +232,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE) b . STD_EXCEPTION_PSERIES(0xd00, 0xd00, single_step) + KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0xd00) /* At 0xe??? we have a bunch of hypervisor exceptions, we branch * out of line to handle them @@ -262,30 +267,93 @@ vsx_unavailable_pSeries_1: #ifdef CONFIG_CBE_RAS STD_EXCEPTION_HV(0x1200, 0x1202, cbe_system_error) + KVM_HANDLER_PR_SKIP(PACA_EXGEN, EXC_HV, 0x1202) #endif /* CONFIG_CBE_RAS */ + STD_EXCEPTION_PSERIES(0x1300, 0x1300, instruction_breakpoint) + KVM_HANDLER_PR_SKIP(PACA_EXGEN, EXC_STD, 0x1300) + #ifdef CONFIG_CBE_RAS STD_EXCEPTION_HV(0x1600, 0x1602, cbe_maintenance) + KVM_HANDLER_PR_SKIP(PACA_EXGEN, EXC_HV, 0x1602) #endif /* CONFIG_CBE_RAS */ + STD_EXCEPTION_PSERIES(0x1700, 0x1700, altivec_assist) + KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0x1700) + #ifdef CONFIG_CBE_RAS STD_EXCEPTION_HV(0x1800, 0x1802, cbe_thermal) + KVM_HANDLER_PR_SKIP(PACA_EXGEN, EXC_HV, 0x1802) #endif /* CONFIG_CBE_RAS */ . = 0x3000 /*** Out of line interrupts support ***/ + /* moved from 0x200 */ +machine_check_pSeries: + .globl machine_check_fwnmi +machine_check_fwnmi: + HMT_MEDIUM + SET_SCRATCH0(r13) /* save r13 */ + EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common, + EXC_STD, KVMTEST, 0x200) + KVM_HANDLER_SKIP(PACA_EXMC, EXC_STD, 0x200) + +#ifndef CONFIG_POWER4_ONLY + /* moved from 0x300 */ +data_access_check_stab: + GET_PACA(r13) + std r9,PACA_EXSLB+EX_R9(r13) + std r10,PACA_EXSLB+EX_R10(r13) + mfspr r10,SPRN_DAR + mfspr r9,SPRN_DSISR + srdi r10,r10,60 + rlwimi r10,r9,16,0x20 +#ifdef CONFIG_KVM_BOOK3S_PR + lbz r9,HSTATE_IN_GUEST(r13) + rlwimi r10,r9,8,0x300 +#endif + mfcr r9 + cmpwi r10,0x2c + beq do_stab_bolted_pSeries + mtcrf 0x80,r9 + ld r9,PACA_EXSLB+EX_R9(r13) + ld r10,PACA_EXSLB+EX_R10(r13) + b data_access_not_stab +do_stab_bolted_pSeries: + std r11,PACA_EXSLB+EX_R11(r13) + std r12,PACA_EXSLB+EX_R12(r13) + GET_SCRATCH0(r10) + std r10,PACA_EXSLB+EX_R13(r13) + EXCEPTION_PROLOG_PSERIES_1(.do_stab_bolted, EXC_STD) +#endif /* CONFIG_POWER4_ONLY */ + + KVM_HANDLER_PR_SKIP(PACA_EXGEN, EXC_STD, 0x300) + KVM_HANDLER_PR_SKIP(PACA_EXSLB, EXC_STD, 0x380) + KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0x400) + KVM_HANDLER_PR(PACA_EXSLB, EXC_STD, 0x480) + KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0x900) + KVM_HANDLER(PACA_EXGEN, EXC_HV, 0x982) + + .align 7 /* moved from 0xe00 */ - STD_EXCEPTION_HV(., 0xe00, h_data_storage) - STD_EXCEPTION_HV(., 0xe20, h_instr_storage) - STD_EXCEPTION_HV(., 0xe40, emulation_assist) - STD_EXCEPTION_HV(., 0xe60, hmi_exception) /* need to flush cache ? */ + STD_EXCEPTION_HV(., 0xe02, h_data_storage) + KVM_HANDLER_SKIP(PACA_EXGEN, EXC_HV, 0xe02) + STD_EXCEPTION_HV(., 0xe22, h_instr_storage) + KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe22) + STD_EXCEPTION_HV(., 0xe42, emulation_assist) + KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe42) + STD_EXCEPTION_HV(., 0xe62, hmi_exception) /* need to flush cache ? */ + KVM_HANDLER(PACA_EXGEN, EXC_HV, 0xe62) /* moved from 0xf00 */ STD_EXCEPTION_PSERIES(., 0xf00, performance_monitor) + KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0xf00) STD_EXCEPTION_PSERIES(., 0xf20, altivec_unavailable) + KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0xf20) STD_EXCEPTION_PSERIES(., 0xf40, vsx_unavailable) + KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0xf40) /* * An interrupt came in while soft-disabled; clear EE in SRR1, @@ -317,14 +385,6 @@ masked_Hinterrupt: hrfid b . - .align 7 -do_stab_bolted_pSeries: - std r11,PACA_EXSLB+EX_R11(r13) - std r12,PACA_EXSLB+EX_R12(r13) - GET_SCRATCH0(r10) - std r10,PACA_EXSLB+EX_R13(r13) - EXCEPTION_PROLOG_PSERIES_1(.do_stab_bolted, EXC_STD) - #ifdef CONFIG_PPC_PSERIES /* * Vectors for the FWNMI option. Share common code. @@ -334,14 +394,8 @@ do_stab_bolted_pSeries: system_reset_fwnmi: HMT_MEDIUM SET_SCRATCH0(r13) /* save r13 */ - EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, system_reset_common, EXC_STD) - - .globl machine_check_fwnmi - .align 7 -machine_check_fwnmi: - HMT_MEDIUM - SET_SCRATCH0(r13) /* save r13 */ - EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common, EXC_STD) + EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, system_reset_common, EXC_STD, + NOTEST, 0x100) #endif /* CONFIG_PPC_PSERIES */ @@ -376,7 +430,11 @@ slb_miss_user_pseries: /* KVM's trampoline code needs to be close to the interrupt handlers */ #ifdef CONFIG_KVM_BOOK3S_64_HANDLER +#ifdef CONFIG_KVM_BOOK3S_PR #include "../kvm/book3s_rmhandlers.S" +#else +#include "../kvm/book3s_hv_rmhandlers.S" +#endif #endif .align 7 diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 5ecf54cfa7d4..fe37dd0dfd17 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -656,7 +656,7 @@ load_up_spe: cmpi 0,r4,0 beq 1f addi r4,r4,THREAD /* want THREAD of last_task_used_spe */ - SAVE_32EVRS(0,r10,r4) + SAVE_32EVRS(0,r10,r4,THREAD_EVR0) evxor evr10, evr10, evr10 /* clear out evr10 */ evmwumiaa evr10, evr10, evr10 /* evr10 <- ACC = 0 * 0 + ACC */ li r5,THREAD_ACC @@ -676,7 +676,7 @@ load_up_spe: stw r4,THREAD_USED_SPE(r5) evlddx evr4,r10,r5 evmra evr4,evr4 - REST_32EVRS(0,r10,r5) + REST_32EVRS(0,r10,r5,THREAD_EVR0) #ifndef CONFIG_SMP subi r4,r5,THREAD stw r4,last_task_used_spe@l(r3) @@ -787,13 +787,11 @@ _GLOBAL(giveup_spe) addi r3,r3,THREAD /* want THREAD of task */ lwz r5,PT_REGS(r3) cmpi 0,r5,0 - SAVE_32EVRS(0, r4, r3) + SAVE_32EVRS(0, r4, r3, THREAD_EVR0) evxor evr6, evr6, evr6 /* clear out evr6 */ evmwumiaa evr6, evr6, evr6 /* evr6 <- ACC = 0 * 0 + ACC */ li r4,THREAD_ACC evstddx evr6, r4, r3 /* save off accumulator */ - mfspr r6,SPRN_SPEFSCR - stw r6,THREAD_SPEFSCR(r3) /* save spefscr register value */ beq 1f lwz r4,_MSR-STACK_FRAME_OVERHEAD(r5) lis r3,MSR_SPE@h diff --git a/arch/powerpc/kernel/idle_power7.S b/arch/powerpc/kernel/idle_power7.S index f8f0bc7f1d4f..3a70845a51c7 100644 --- a/arch/powerpc/kernel/idle_power7.S +++ b/arch/powerpc/kernel/idle_power7.S @@ -73,7 +73,6 @@ _GLOBAL(power7_idle) b . _GLOBAL(power7_wakeup_loss) - GET_PACA(r13) ld r1,PACAR1(r13) REST_NVGPRS(r1) REST_GPR(2, r1) @@ -87,7 +86,6 @@ _GLOBAL(power7_wakeup_loss) rfid _GLOBAL(power7_wakeup_noloss) - GET_PACA(r13) ld r1,PACAR1(r13) ld r4,_MSR(r1) ld r5,_NIP(r1) diff --git a/arch/powerpc/kernel/module.c b/arch/powerpc/kernel/module.c index 49cee9df225b..a1cd701b5753 100644 --- a/arch/powerpc/kernel/module.c +++ b/arch/powerpc/kernel/module.c @@ -31,20 +31,6 @@ LIST_HEAD(module_bug_list); -void *module_alloc(unsigned long size) -{ - if (size == 0) - return NULL; - - return vmalloc_exec(size); -} - -/* Free memory returned from module_alloc */ -void module_free(struct module *mod, void *module_region) -{ - vfree(module_region); -} - static const Elf_Shdr *find_section(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, const char *name) @@ -93,7 +79,3 @@ int module_finalize(const Elf_Ehdr *hdr, return 0; } - -void module_arch_cleanup(struct module *mod) -{ -} diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c index f832773fc28e..0b6d79617d7b 100644 --- a/arch/powerpc/kernel/module_32.c +++ b/arch/powerpc/kernel/module_32.c @@ -174,17 +174,6 @@ int module_frob_arch_sections(Elf32_Ehdr *hdr, return 0; } -int apply_relocate(Elf32_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *module) -{ - printk(KERN_ERR "%s: Non-ADD RELOCATION unsupported\n", - module->name); - return -ENOEXEC; -} - static inline int entry_matches(struct ppc_plt_entry *entry, Elf32_Addr val) { if (entry->jump[0] == 0x3d600000 + ((val + 0x8000) >> 16) diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c index 8fbb12508bf3..9f44a775a106 100644 --- a/arch/powerpc/kernel/module_64.c +++ b/arch/powerpc/kernel/module_64.c @@ -243,16 +243,6 @@ int module_frob_arch_sections(Elf64_Ehdr *hdr, return 0; } -int apply_relocate(Elf64_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *me) -{ - printk(KERN_ERR "%s: Non-ADD RELOCATION unsupported\n", me->name); - return -ENOEXEC; -} - /* r2 is the TOC pointer: it actually points 0x8000 into the TOC (this gives the value maximum span in an instruction which uses a signed offset) */ diff --git a/arch/powerpc/kernel/mpc7450-pmu.c b/arch/powerpc/kernel/mpc7450-pmu.c index 2cc5e0301d0b..845a58478890 100644 --- a/arch/powerpc/kernel/mpc7450-pmu.c +++ b/arch/powerpc/kernel/mpc7450-pmu.c @@ -388,6 +388,11 @@ static int mpc7450_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { [C(OP_WRITE)] = { -1, -1 }, [C(OP_PREFETCH)] = { -1, -1 }, }, + [C(NODE)] = { /* RESULT_ACCESS RESULT_MISS */ + [C(OP_READ)] = { -1, -1 }, + [C(OP_WRITE)] = { -1, -1 }, + [C(OP_PREFETCH)] = { -1, -1 }, + }, }; struct power_pmu mpc7450_pmu = { diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c index efeb88184182..0a5a899846bb 100644 --- a/arch/powerpc/kernel/paca.c +++ b/arch/powerpc/kernel/paca.c @@ -167,7 +167,7 @@ void setup_paca(struct paca_struct *new_paca) * if we do a GET_PACA() before the feature fixups have been * applied */ - if (cpu_has_feature(CPU_FTR_HVMODE_206)) + if (cpu_has_feature(CPU_FTR_HVMODE)) mtspr(SPRN_SPRG_HPACA, local_paca); #endif mtspr(SPRN_SPRG_PACA, local_paca); diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 893af2a9cd03..a3c92770e422 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1097,9 +1097,6 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus) if (dev->is_added) continue; - /* Setup OF node pointer in the device */ - dev->dev.of_node = pci_device_to_OF_node(dev); - /* Fixup NUMA node as it may not be setup yet by the generic * code and is needed by the DMA init */ @@ -1685,6 +1682,13 @@ int early_find_capability(struct pci_controller *hose, int bus, int devfn, return pci_bus_find_capability(fake_pci_bus(hose, bus), devfn, cap); } +struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus) +{ + struct pci_controller *hose = bus->sysdata; + + return of_node_get(hose->dn); +} + /** * pci_scan_phb - Given a pci_controller, setup and scan the PCI bus * @hose: Pointer to the PCI host controller instance structure @@ -1705,7 +1709,6 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose) hose->global_number); return; } - bus->dev.of_node = of_node_get(node); bus->secondary = hose->first_busno; hose->bus = bus; diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index bedb370459f2..86585508e9c1 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -167,150 +167,26 @@ pcibios_make_OF_bus_map(void) #endif } -typedef int (*pci_OF_scan_iterator)(struct device_node* node, void* data); - -static struct device_node* -scan_OF_pci_childs(struct device_node *parent, pci_OF_scan_iterator filter, void* data) -{ - struct device_node *node; - struct device_node* sub_node; - - for_each_child_of_node(parent, node) { - const unsigned int *class_code; - - if (filter(node, data)) { - of_node_put(node); - return node; - } - - /* For PCI<->PCI bridges or CardBus bridges, we go down - * Note: some OFs create a parent node "multifunc-device" as - * a fake root for all functions of a multi-function device, - * we go down them as well. - */ - class_code = of_get_property(node, "class-code", NULL); - if ((!class_code || ((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI && - (*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS)) && - strcmp(node->name, "multifunc-device")) - continue; - sub_node = scan_OF_pci_childs(node, filter, data); - if (sub_node) { - of_node_put(node); - return sub_node; - } - } - return NULL; -} - -static struct device_node *scan_OF_for_pci_dev(struct device_node *parent, - unsigned int devfn) -{ - struct device_node *np, *cnp; - const u32 *reg; - unsigned int psize; - - for_each_child_of_node(parent, np) { - reg = of_get_property(np, "reg", &psize); - if (reg && psize >= 4 && ((reg[0] >> 8) & 0xff) == devfn) - return np; - - /* Note: some OFs create a parent node "multifunc-device" as - * a fake root for all functions of a multi-function device, - * we go down them as well. */ - if (!strcmp(np->name, "multifunc-device")) { - cnp = scan_OF_for_pci_dev(np, devfn); - if (cnp) - return cnp; - } - } - return NULL; -} - - -static struct device_node *scan_OF_for_pci_bus(struct pci_bus *bus) -{ - struct device_node *parent, *np; - - /* Are we a root bus ? */ - if (bus->self == NULL || bus->parent == NULL) { - struct pci_controller *hose = pci_bus_to_host(bus); - if (hose == NULL) - return NULL; - return of_node_get(hose->dn); - } - - /* not a root bus, we need to get our parent */ - parent = scan_OF_for_pci_bus(bus->parent); - if (parent == NULL) - return NULL; - - /* now iterate for children for a match */ - np = scan_OF_for_pci_dev(parent, bus->self->devfn); - of_node_put(parent); - - return np; -} - -/* - * Scans the OF tree for a device node matching a PCI device - */ -struct device_node * -pci_busdev_to_OF_node(struct pci_bus *bus, int devfn) -{ - struct device_node *parent, *np; - - pr_debug("pci_busdev_to_OF_node(%d,0x%x)\n", bus->number, devfn); - parent = scan_OF_for_pci_bus(bus); - if (parent == NULL) - return NULL; - pr_debug(" parent is %s\n", parent ? parent->full_name : "<NULL>"); - np = scan_OF_for_pci_dev(parent, devfn); - of_node_put(parent); - pr_debug(" result is %s\n", np ? np->full_name : "<NULL>"); - - /* XXX most callers don't release the returned node - * mostly because ppc64 doesn't increase the refcount, - * we need to fix that. - */ - return np; -} -EXPORT_SYMBOL(pci_busdev_to_OF_node); - -struct device_node* -pci_device_to_OF_node(struct pci_dev *dev) -{ - return pci_busdev_to_OF_node(dev->bus, dev->devfn); -} -EXPORT_SYMBOL(pci_device_to_OF_node); - -static int -find_OF_pci_device_filter(struct device_node* node, void* data) -{ - return ((void *)node == data); -} /* * Returns the PCI device matching a given OF node */ -int -pci_device_from_OF_node(struct device_node* node, u8* bus, u8* devfn) +int pci_device_from_OF_node(struct device_node *node, u8 *bus, u8 *devfn) { - const unsigned int *reg; - struct pci_controller* hose; - struct pci_dev* dev = NULL; - - /* Make sure it's really a PCI device */ - hose = pci_find_hose_for_OF_device(node); - if (!hose || !hose->dn) - return -ENODEV; - if (!scan_OF_pci_childs(hose->dn, - find_OF_pci_device_filter, (void *)node)) + struct pci_dev *dev = NULL; + const __be32 *reg; + int size; + + /* Check if it might have a chance to be a PCI device */ + if (!pci_find_hose_for_OF_device(node)) return -ENODEV; - reg = of_get_property(node, "reg", NULL); - if (!reg) + + reg = of_get_property(node, "reg", &size); + if (!reg || size < 5 * sizeof(u32)) return -ENODEV; - *bus = (reg[0] >> 16) & 0xff; - *devfn = ((reg[0] >> 8) & 0xff); + + *bus = (be32_to_cpup(®[0]) >> 16) & 0xff; + *devfn = (be32_to_cpup(®[0]) >> 8) & 0xff; /* Ok, here we need some tweak. If we have already renumbered * all busses, we can't rely on the OF bus number any more. diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c index 6baabc13306a..478f8d78716b 100644 --- a/arch/powerpc/kernel/pci_dn.c +++ b/arch/powerpc/kernel/pci_dn.c @@ -142,53 +142,6 @@ void __devinit pci_devs_phb_init_dynamic(struct pci_controller *phb) traverse_pci_devices(dn, update_dn_pci_info, phb); } -/* - * Traversal func that looks for a <busno,devfcn> value. - * If found, the pci_dn is returned (thus terminating the traversal). - */ -static void *is_devfn_node(struct device_node *dn, void *data) -{ - int busno = ((unsigned long)data >> 8) & 0xff; - int devfn = ((unsigned long)data) & 0xff; - struct pci_dn *pci = dn->data; - - if (pci && (devfn == pci->devfn) && (busno == pci->busno)) - return dn; - return NULL; -} - -/* - * This is the "slow" path for looking up a device_node from a - * pci_dev. It will hunt for the device under its parent's - * phb and then update of_node pointer. - * - * It may also do fixups on the actual device since this happens - * on the first read/write. - * - * Note that it also must deal with devices that don't exist. - * In this case it may probe for real hardware ("just in case") - * and add a device_node to the device tree if necessary. - * - * Is this function necessary anymore now that dev->dev.of_node is - * used to store the node pointer? - * - */ -struct device_node *fetch_dev_dn(struct pci_dev *dev) -{ - struct pci_controller *phb = dev->sysdata; - struct device_node *dn; - unsigned long searchval = (dev->bus->number << 8) | dev->devfn; - - if (WARN_ON(!phb)) - return NULL; - - dn = traverse_pci_devices(phb->dn, is_devfn_node, (void *)searchval); - if (dn) - dev->dev.of_node = dn; - return dn; -} -EXPORT_SYMBOL(fetch_dev_dn); - /** * pci_devs_phb_init - Initialize phbs and pci devs under them. * diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c index 1e89a72fd030..fe0a5ad6f73e 100644 --- a/arch/powerpc/kernel/pci_of_scan.c +++ b/arch/powerpc/kernel/pci_of_scan.c @@ -202,9 +202,9 @@ EXPORT_SYMBOL(of_create_pci_dev); * this routine in turn call of_scan_bus() recusively to scan for more child * devices. */ -void __devinit of_scan_pci_bridge(struct device_node *node, - struct pci_dev *dev) +void __devinit of_scan_pci_bridge(struct pci_dev *dev) { + struct device_node *node = dev->dev.of_node; struct pci_bus *bus; const u32 *busrange, *ranges; int len, i, mode; @@ -238,7 +238,6 @@ void __devinit of_scan_pci_bridge(struct device_node *node, bus->primary = dev->bus->number; bus->subordinate = busrange[1]; bus->bridge_ctl = 0; - bus->dev.of_node = of_node_get(node); /* parse ranges property */ /* PCI #address-cells == 3 and #size-cells == 2 always */ @@ -335,9 +334,7 @@ static void __devinit __of_scan_bus(struct device_node *node, list_for_each_entry(dev, &bus->devices, bus_list) { if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE || dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) { - struct device_node *child = pci_device_to_OF_node(dev); - if (child) - of_scan_pci_bridge(child, dev); + of_scan_pci_bridge(dev); } } } diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c index 822f63008ae1..14967de98876 100644 --- a/arch/powerpc/kernel/perf_event.c +++ b/arch/powerpc/kernel/perf_event.c @@ -1207,7 +1207,7 @@ struct pmu power_pmu = { * here so there is no possibility of being interrupted. */ static void record_and_restart(struct perf_event *event, unsigned long val, - struct pt_regs *regs, int nmi) + struct pt_regs *regs) { u64 period = event->hw.sample_period; s64 prev, delta, left; @@ -1258,7 +1258,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val, if (event->attr.sample_type & PERF_SAMPLE_ADDR) perf_get_data_addr(regs, &data.addr); - if (perf_event_overflow(event, nmi, &data, regs)) + if (perf_event_overflow(event, &data, regs)) power_pmu_stop(event, 0); } } @@ -1346,7 +1346,7 @@ static void perf_event_interrupt(struct pt_regs *regs) if ((int)val < 0) { /* event has overflowed */ found = 1; - record_and_restart(event, val, regs, nmi); + record_and_restart(event, val, regs); } } diff --git a/arch/powerpc/kernel/perf_event_fsl_emb.c b/arch/powerpc/kernel/perf_event_fsl_emb.c index b0dc8f7069cd..0a6d2a9d569c 100644 --- a/arch/powerpc/kernel/perf_event_fsl_emb.c +++ b/arch/powerpc/kernel/perf_event_fsl_emb.c @@ -568,7 +568,7 @@ static struct pmu fsl_emb_pmu = { * here so there is no possibility of being interrupted. */ static void record_and_restart(struct perf_event *event, unsigned long val, - struct pt_regs *regs, int nmi) + struct pt_regs *regs) { u64 period = event->hw.sample_period; s64 prev, delta, left; @@ -616,7 +616,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val, perf_sample_data_init(&data, 0); data.period = event->hw.last_period; - if (perf_event_overflow(event, nmi, &data, regs)) + if (perf_event_overflow(event, &data, regs)) fsl_emb_pmu_stop(event, 0); } } @@ -644,7 +644,7 @@ static void perf_event_interrupt(struct pt_regs *regs) if (event) { /* event has overflowed */ found = 1; - record_and_restart(event, val, regs, nmi); + record_and_restart(event, val, regs); } else { /* * Disabled counter is negative, diff --git a/arch/powerpc/kernel/power4-pmu.c b/arch/powerpc/kernel/power4-pmu.c index ead8b3c2649e..e9dbc2d35c9c 100644 --- a/arch/powerpc/kernel/power4-pmu.c +++ b/arch/powerpc/kernel/power4-pmu.c @@ -587,6 +587,11 @@ static int power4_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { [C(OP_WRITE)] = { -1, -1 }, [C(OP_PREFETCH)] = { -1, -1 }, }, + [C(NODE)] = { /* RESULT_ACCESS RESULT_MISS */ + [C(OP_READ)] = { -1, -1 }, + [C(OP_WRITE)] = { -1, -1 }, + [C(OP_PREFETCH)] = { -1, -1 }, + }, }; static struct power_pmu power4_pmu = { diff --git a/arch/powerpc/kernel/power5+-pmu.c b/arch/powerpc/kernel/power5+-pmu.c index eca0ac595cb6..f58a2bd41b59 100644 --- a/arch/powerpc/kernel/power5+-pmu.c +++ b/arch/powerpc/kernel/power5+-pmu.c @@ -653,6 +653,11 @@ static int power5p_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { [C(OP_WRITE)] = { -1, -1 }, [C(OP_PREFETCH)] = { -1, -1 }, }, + [C(NODE)] = { /* RESULT_ACCESS RESULT_MISS */ + [C(OP_READ)] = { -1, -1 }, + [C(OP_WRITE)] = { -1, -1 }, + [C(OP_PREFETCH)] = { -1, -1 }, + }, }; static struct power_pmu power5p_pmu = { diff --git a/arch/powerpc/kernel/power5-pmu.c b/arch/powerpc/kernel/power5-pmu.c index d5ff0f64a5e6..b1acab684142 100644 --- a/arch/powerpc/kernel/power5-pmu.c +++ b/arch/powerpc/kernel/power5-pmu.c @@ -595,6 +595,11 @@ static int power5_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { [C(OP_WRITE)] = { -1, -1 }, [C(OP_PREFETCH)] = { -1, -1 }, }, + [C(NODE)] = { /* RESULT_ACCESS RESULT_MISS */ + [C(OP_READ)] = { -1, -1 }, + [C(OP_WRITE)] = { -1, -1 }, + [C(OP_PREFETCH)] = { -1, -1 }, + }, }; static struct power_pmu power5_pmu = { diff --git a/arch/powerpc/kernel/power6-pmu.c b/arch/powerpc/kernel/power6-pmu.c index 31603927e376..b24a3a23d073 100644 --- a/arch/powerpc/kernel/power6-pmu.c +++ b/arch/powerpc/kernel/power6-pmu.c @@ -516,6 +516,11 @@ static int power6_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { [C(OP_WRITE)] = { -1, -1 }, [C(OP_PREFETCH)] = { -1, -1 }, }, + [C(NODE)] = { /* RESULT_ACCESS RESULT_MISS */ + [C(OP_READ)] = { -1, -1 }, + [C(OP_WRITE)] = { -1, -1 }, + [C(OP_PREFETCH)] = { -1, -1 }, + }, }; static struct power_pmu power6_pmu = { diff --git a/arch/powerpc/kernel/power7-pmu.c b/arch/powerpc/kernel/power7-pmu.c index 593740fcb799..6d9dccb2ea59 100644 --- a/arch/powerpc/kernel/power7-pmu.c +++ b/arch/powerpc/kernel/power7-pmu.c @@ -342,6 +342,11 @@ static int power7_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { [C(OP_WRITE)] = { -1, -1 }, [C(OP_PREFETCH)] = { -1, -1 }, }, + [C(NODE)] = { /* RESULT_ACCESS RESULT_MISS */ + [C(OP_READ)] = { -1, -1 }, + [C(OP_WRITE)] = { -1, -1 }, + [C(OP_PREFETCH)] = { -1, -1 }, + }, }; static struct power_pmu power7_pmu = { diff --git a/arch/powerpc/kernel/ppc970-pmu.c b/arch/powerpc/kernel/ppc970-pmu.c index 9a6e093858fe..b121de9658eb 100644 --- a/arch/powerpc/kernel/ppc970-pmu.c +++ b/arch/powerpc/kernel/ppc970-pmu.c @@ -467,6 +467,11 @@ static int ppc970_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { [C(OP_WRITE)] = { -1, -1 }, [C(OP_PREFETCH)] = { -1, -1 }, }, + [C(NODE)] = { /* RESULT_ACCESS RESULT_MISS */ + [C(OP_READ)] = { -1, -1 }, + [C(OP_WRITE)] = { -1, -1 }, + [C(OP_PREFETCH)] = { -1, -1 }, + }, }; static struct power_pmu ppc970_pmu = { diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 91e52df3d81d..ec2d0edeb134 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -96,6 +96,7 @@ void flush_fp_to_thread(struct task_struct *tsk) preempt_enable(); } } +EXPORT_SYMBOL_GPL(flush_fp_to_thread); void enable_kernel_fp(void) { @@ -145,6 +146,7 @@ void flush_altivec_to_thread(struct task_struct *tsk) preempt_enable(); } } +EXPORT_SYMBOL_GPL(flush_altivec_to_thread); #endif /* CONFIG_ALTIVEC */ #ifdef CONFIG_VSX @@ -186,6 +188,7 @@ void flush_vsx_to_thread(struct task_struct *tsk) preempt_enable(); } } +EXPORT_SYMBOL_GPL(flush_vsx_to_thread); #endif /* CONFIG_VSX */ #ifdef CONFIG_SPE @@ -213,6 +216,7 @@ void flush_spe_to_thread(struct task_struct *tsk) #ifdef CONFIG_SMP BUG_ON(tsk != current); #endif + tsk->thread.spefscr = mfspr(SPRN_SPEFSCR); giveup_spe(tsk); } preempt_enable(); diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index cb22024f2b42..05b7dd217f60 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -882,7 +882,7 @@ void user_disable_single_step(struct task_struct *task) } #ifdef CONFIG_HAVE_HW_BREAKPOINT -void ptrace_triggered(struct perf_event *bp, int nmi, +void ptrace_triggered(struct perf_event *bp, struct perf_sample_data *data, struct pt_regs *regs) { struct perf_event_attr attr; @@ -973,7 +973,7 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, &attr.bp_type); thread->ptrace_bps[0] = bp = register_user_hw_breakpoint(&attr, - ptrace_triggered, task); + ptrace_triggered, NULL, task); if (IS_ERR(bp)) { thread->ptrace_bps[0] = NULL; ptrace_put_breakpoints(task); diff --git a/arch/powerpc/kernel/rtas-rtc.c b/arch/powerpc/kernel/rtas-rtc.c index 77578c093dda..c57c19358a26 100644 --- a/arch/powerpc/kernel/rtas-rtc.c +++ b/arch/powerpc/kernel/rtas-rtc.c @@ -4,6 +4,7 @@ #include <linux/init.h> #include <linux/rtc.h> #include <linux/delay.h> +#include <linux/ratelimit.h> #include <asm/prom.h> #include <asm/rtas.h> #include <asm/time.h> @@ -29,9 +30,10 @@ unsigned long __init rtas_get_boot_time(void) } } while (wait_time && (get_tb() < max_wait_tb)); - if (error != 0 && printk_ratelimit()) { - printk(KERN_WARNING "error: reading the clock failed (%d)\n", - error); + if (error != 0) { + printk_ratelimited(KERN_WARNING + "error: reading the clock failed (%d)\n", + error); return 0; } @@ -55,19 +57,21 @@ void rtas_get_rtc_time(struct rtc_time *rtc_tm) wait_time = rtas_busy_delay_time(error); if (wait_time) { - if (in_interrupt() && printk_ratelimit()) { + if (in_interrupt()) { memset(rtc_tm, 0, sizeof(struct rtc_time)); - printk(KERN_WARNING "error: reading clock" - " would delay interrupt\n"); + printk_ratelimited(KERN_WARNING + "error: reading clock " + "would delay interrupt\n"); return; /* delay not allowed */ } msleep(wait_time); } } while (wait_time && (get_tb() < max_wait_tb)); - if (error != 0 && printk_ratelimit()) { - printk(KERN_WARNING "error: reading the clock failed (%d)\n", - error); + if (error != 0) { + printk_ratelimited(KERN_WARNING + "error: reading the clock failed (%d)\n", + error); return; } @@ -99,9 +103,10 @@ int rtas_set_rtc_time(struct rtc_time *tm) } } while (wait_time && (get_tb() < max_wait_tb)); - if (error != 0 && printk_ratelimit()) - printk(KERN_WARNING "error: setting the clock failed (%d)\n", - error); + if (error != 0) + printk_ratelimited(KERN_WARNING + "error: setting the clock failed (%d)\n", + error); return 0; } diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 79fca2651b65..22051ef04bd9 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -375,6 +375,9 @@ void __init check_for_initrd(void) int threads_per_core, threads_shift; cpumask_t threads_core_mask; +EXPORT_SYMBOL_GPL(threads_per_core); +EXPORT_SYMBOL_GPL(threads_shift); +EXPORT_SYMBOL_GPL(threads_core_mask); static void __init cpu_init_thread_core_maps(int tpc) { diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index a88bf2713d41..532054f24ecb 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -63,6 +63,7 @@ #include <asm/kexec.h> #include <asm/mmu_context.h> #include <asm/code-patching.h> +#include <asm/kvm_ppc.h> #include "setup.h" @@ -580,6 +581,8 @@ void __init setup_arch(char **cmdline_p) /* Initialize the MMU context management stuff */ mmu_context_init(); + kvm_rma_init(); + ppc64_boot_msg(0x15, "Setup Done"); } diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index b96a3a010c26..78b76dc54dfb 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -25,6 +25,7 @@ #include <linux/errno.h> #include <linux/elf.h> #include <linux/ptrace.h> +#include <linux/ratelimit.h> #ifdef CONFIG_PPC64 #include <linux/syscalls.h> #include <linux/compat.h> @@ -892,11 +893,12 @@ badframe: printk("badframe in handle_rt_signal, regs=%p frame=%p newsp=%lx\n", regs, frame, newsp); #endif - if (show_unhandled_signals && printk_ratelimit()) - printk(KERN_INFO "%s[%d]: bad frame in handle_rt_signal32: " - "%p nip %08lx lr %08lx\n", - current->comm, current->pid, - addr, regs->nip, regs->link); + if (show_unhandled_signals) + printk_ratelimited(KERN_INFO + "%s[%d]: bad frame in handle_rt_signal32: " + "%p nip %08lx lr %08lx\n", + current->comm, current->pid, + addr, regs->nip, regs->link); force_sigsegv(sig, current); return 0; @@ -1058,11 +1060,12 @@ long sys_rt_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8, return 0; bad: - if (show_unhandled_signals && printk_ratelimit()) - printk(KERN_INFO "%s[%d]: bad frame in sys_rt_sigreturn: " - "%p nip %08lx lr %08lx\n", - current->comm, current->pid, - rt_sf, regs->nip, regs->link); + if (show_unhandled_signals) + printk_ratelimited(KERN_INFO + "%s[%d]: bad frame in sys_rt_sigreturn: " + "%p nip %08lx lr %08lx\n", + current->comm, current->pid, + rt_sf, regs->nip, regs->link); force_sig(SIGSEGV, current); return 0; @@ -1149,12 +1152,12 @@ int sys_debug_setcontext(struct ucontext __user *ctx, * We kill the task with a SIGSEGV in this situation. */ if (do_setcontext(ctx, regs, 1)) { - if (show_unhandled_signals && printk_ratelimit()) - printk(KERN_INFO "%s[%d]: bad frame in " - "sys_debug_setcontext: %p nip %08lx " - "lr %08lx\n", - current->comm, current->pid, - ctx, regs->nip, regs->link); + if (show_unhandled_signals) + printk_ratelimited(KERN_INFO "%s[%d]: bad frame in " + "sys_debug_setcontext: %p nip %08lx " + "lr %08lx\n", + current->comm, current->pid, + ctx, regs->nip, regs->link); force_sig(SIGSEGV, current); goto out; @@ -1236,11 +1239,12 @@ badframe: printk("badframe in handle_signal, regs=%p frame=%p newsp=%lx\n", regs, frame, newsp); #endif - if (show_unhandled_signals && printk_ratelimit()) - printk(KERN_INFO "%s[%d]: bad frame in handle_signal32: " - "%p nip %08lx lr %08lx\n", - current->comm, current->pid, - frame, regs->nip, regs->link); + if (show_unhandled_signals) + printk_ratelimited(KERN_INFO + "%s[%d]: bad frame in handle_signal32: " + "%p nip %08lx lr %08lx\n", + current->comm, current->pid, + frame, regs->nip, regs->link); force_sigsegv(sig, current); return 0; @@ -1288,11 +1292,12 @@ long sys_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8, return 0; badframe: - if (show_unhandled_signals && printk_ratelimit()) - printk(KERN_INFO "%s[%d]: bad frame in sys_sigreturn: " - "%p nip %08lx lr %08lx\n", - current->comm, current->pid, - addr, regs->nip, regs->link); + if (show_unhandled_signals) + printk_ratelimited(KERN_INFO + "%s[%d]: bad frame in sys_sigreturn: " + "%p nip %08lx lr %08lx\n", + current->comm, current->pid, + addr, regs->nip, regs->link); force_sig(SIGSEGV, current); return 0; diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index da989fff19cc..e91c736cc842 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -24,6 +24,7 @@ #include <linux/elf.h> #include <linux/ptrace.h> #include <linux/module.h> +#include <linux/ratelimit.h> #include <asm/sigcontext.h> #include <asm/ucontext.h> @@ -380,10 +381,10 @@ badframe: printk("badframe in sys_rt_sigreturn, regs=%p uc=%p &uc->uc_mcontext=%p\n", regs, uc, &uc->uc_mcontext); #endif - if (show_unhandled_signals && printk_ratelimit()) - printk(regs->msr & MSR_64BIT ? fmt64 : fmt32, - current->comm, current->pid, "rt_sigreturn", - (long)uc, regs->nip, regs->link); + if (show_unhandled_signals) + printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32, + current->comm, current->pid, "rt_sigreturn", + (long)uc, regs->nip, regs->link); force_sig(SIGSEGV, current); return 0; @@ -468,10 +469,10 @@ badframe: printk("badframe in setup_rt_frame, regs=%p frame=%p newsp=%lx\n", regs, frame, newsp); #endif - if (show_unhandled_signals && printk_ratelimit()) - printk(regs->msr & MSR_64BIT ? fmt64 : fmt32, - current->comm, current->pid, "setup_rt_frame", - (long)frame, regs->nip, regs->link); + if (show_unhandled_signals) + printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32, + current->comm, current->pid, "setup_rt_frame", + (long)frame, regs->nip, regs->link); force_sigsegv(signr, current); return 0; diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 8ebc6700b98d..09a85a9045d6 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -243,6 +243,7 @@ void smp_send_reschedule(int cpu) if (likely(smp_ops)) smp_ops->message_pass(cpu, PPC_MSG_RESCHEDULE); } +EXPORT_SYMBOL_GPL(smp_send_reschedule); void arch_send_call_function_single_ipi(int cpu) { diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index f33acfd872ad..03b29a6759ab 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -544,7 +544,7 @@ DEFINE_PER_CPU(u8, irq_work_pending); #endif /* 32 vs 64 bit */ -void set_irq_work_pending(void) +void arch_irq_work_raise(void) { preempt_disable(); set_irq_work_pending_flag(); diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 0ff4ab98d50c..f19d9777d3c1 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -34,6 +34,7 @@ #include <linux/bug.h> #include <linux/kdebug.h> #include <linux/debugfs.h> +#include <linux/ratelimit.h> #include <asm/emulated_ops.h> #include <asm/pgtable.h> @@ -197,12 +198,11 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr) if (die("Exception in kernel mode", regs, signr)) return; } else if (show_unhandled_signals && - unhandled_signal(current, signr) && - printk_ratelimit()) { - printk(regs->msr & MSR_64BIT ? fmt64 : fmt32, - current->comm, current->pid, signr, - addr, regs->nip, regs->link, code); - } + unhandled_signal(current, signr)) { + printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32, + current->comm, current->pid, signr, + addr, regs->nip, regs->link, code); + } memset(&info, 0, sizeof(info)); info.si_signo = signr; @@ -425,7 +425,7 @@ int machine_check_e500mc(struct pt_regs *regs) unsigned long reason = mcsr; int recoverable = 1; - if (reason & MCSR_BUS_RBERR) { + if (reason & MCSR_LD) { recoverable = fsl_rio_mcheck_exception(regs); if (recoverable == 1) goto silent_out; @@ -1342,9 +1342,8 @@ void altivec_assist_exception(struct pt_regs *regs) } else { /* didn't recognize the instruction */ /* XXX quick hack for now: set the non-Java bit in the VSCR */ - if (printk_ratelimit()) - printk(KERN_ERR "Unrecognized altivec instruction " - "in %s at %lx\n", current->comm, regs->nip); + printk_ratelimited(KERN_ERR "Unrecognized altivec instruction " + "in %s at %lx\n", current->comm, regs->nip); current->thread.vscr.u[3] |= 0x10000; } } @@ -1388,10 +1387,7 @@ void SPEFloatingPointException(struct pt_regs *regs) int code = 0; int err; - preempt_disable(); - if (regs->msr & MSR_SPE) - giveup_spe(current); - preempt_enable(); + flush_spe_to_thread(current); spefscr = current->thread.spefscr; fpexc_mode = current->thread.fpexc_mode; @@ -1548,9 +1544,8 @@ u32 ppc_warn_emulated; void ppc_warn_emulated_print(const char *type) { - if (printk_ratelimit()) - pr_warning("%s used emulated %s instruction\n", current->comm, - type); + pr_warn_ratelimited("%s used emulated %s instruction\n", current->comm, + type); } static int __init ppc_warn_emulated_init(void) |