diff --git a/Makefile b/Makefile index 1b0fe238d633..8c5c94ca56d9 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ VERSION = 4 PATCHLEVEL = 11 -SUBLEVEL = 7 +SUBLEVEL = 8 EXTRAVERSION = NAME = Fearless Coyote diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c index 41b6e31f8f55..d0cb007fa482 100644 --- a/arch/arm64/kernel/vdso.c +++ b/arch/arm64/kernel/vdso.c @@ -221,10 +221,11 @@ void update_vsyscall(struct timekeeper *tk) /* tkr_mono.cycle_last == tkr_raw.cycle_last */ vdso_data->cs_cycle_last = tk->tkr_mono.cycle_last; vdso_data->raw_time_sec = tk->raw_time.tv_sec; - vdso_data->raw_time_nsec = tk->raw_time.tv_nsec; + vdso_data->raw_time_nsec = (tk->raw_time.tv_nsec << + tk->tkr_raw.shift) + + tk->tkr_raw.xtime_nsec; vdso_data->xtime_clock_sec = tk->xtime_sec; vdso_data->xtime_clock_nsec = tk->tkr_mono.xtime_nsec; - /* tkr_raw.xtime_nsec == 0 */ vdso_data->cs_mono_mult = tk->tkr_mono.mult; vdso_data->cs_raw_mult = tk->tkr_raw.mult; /* tkr_mono.shift == tkr_raw.shift */ diff --git a/arch/arm64/kernel/vdso/gettimeofday.S b/arch/arm64/kernel/vdso/gettimeofday.S index e00b4671bd7c..76320e920965 100644 --- a/arch/arm64/kernel/vdso/gettimeofday.S +++ b/arch/arm64/kernel/vdso/gettimeofday.S @@ -256,7 +256,6 @@ monotonic_raw: seqcnt_check fail=monotonic_raw /* All computations are done with left-shifted nsecs. */ - lsl x14, x14, x12 get_nsec_per_sec res=x9 lsl x9, x9, x12 diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c index 2819eb793345..3b5b7936345c 100644 --- a/arch/mips/kvm/tlb.c +++ b/arch/mips/kvm/tlb.c @@ -147,7 +147,11 @@ static int _kvm_mips_host_tlb_inv(unsigned long entryhi) int kvm_mips_host_tlb_inv(struct kvm_vcpu *vcpu, unsigned long va, bool user, bool kernel) { - int idx_user, idx_kernel; + /* + * Initialize idx_user and idx_kernel to workaround bogus + * maybe-initialized warning when using GCC 6. + */ + int idx_user = 0, idx_kernel = 0; unsigned long flags, old_entryhi; local_irq_save(flags); diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 6353019966e6..a59880c81d52 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -1425,10 +1425,8 @@ USE_TEXT_SECTION() .balign IFETCH_ALIGN_BYTES do_hash_page: #ifdef CONFIG_PPC_STD_MMU_64 - andis. r0,r4,0xa410 /* weird error? */ + andis. r0,r4,0xa450 /* weird error? */ bne- handle_page_fault /* if not, try to insert a HPTE */ - andis. r0,r4,DSISR_DABRMATCH@h - bne- handle_dabr_fault CURRENT_THREAD_INFO(r11, r1) lwz r0,TI_PREEMPT(r11) /* If we're in an "NMI" */ andis. r0,r0,NMI_MASK@h /* (i.e. an irq when soft-disabled) */ @@ -1452,11 +1450,16 @@ do_hash_page: /* Error */ blt- 13f + + /* Reload DSISR into r4 for the DABR check below */ + ld r4,_DSISR(r1) #endif /* CONFIG_PPC_STD_MMU_64 */ /* Here we have a page fault that hash_page can't handle. */ handle_page_fault: -11: ld r4,_DAR(r1) +11: andis. r0,r4,DSISR_DABRMATCH@h + bne- handle_dabr_fault + ld r4,_DAR(r1) ld r5,_DSISR(r1) addi r3,r1,STACK_FRAME_OVERHEAD bl do_page_fault diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index fce05a38851c..49d5f193438a 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -495,6 +495,15 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) regs->gpr[2] = (unsigned long)(((func_descr_t *)jp->entry)->toc); #endif + /* + * jprobes use jprobe_return() which skips the normal return + * path of the function, and this messes up the accounting of the + * function graph tracer. + * + * Pause function graph tracing while performing the jprobe function. + */ + pause_graph_tracing(); + return 1; } @@ -517,6 +526,8 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs) * saved regs... */ memcpy(regs, &kcb->jprobe_saved_regs, sizeof(struct pt_regs)); + /* It's OK to start function graph tracing again */ + unpause_graph_tracing(); preempt_enable_no_resched(); return 1; } diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 1ec86d9e2a82..e6a94bd2b158 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -1481,6 +1481,14 @@ static int kvmppc_set_one_reg_hv(struct kvm_vcpu *vcpu, u64 id, r = set_vpa(vcpu, &vcpu->arch.dtl, addr, len); break; case KVM_REG_PPC_TB_OFFSET: + /* + * POWER9 DD1 has an erratum where writing TBU40 causes + * the timebase to lose ticks. So we don't let the + * timebase offset be changed on P9 DD1. (It is + * initialized to zero.) + */ + if (cpu_has_feature(CPU_FTR_POWER9_DD1)) + break; /* round up to multiple of 2^24 */ vcpu->arch.vcore->tb_offset = ALIGN(set_reg_val(id, *val), 1UL << 24); @@ -2902,12 +2910,36 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu) { int r; int srcu_idx; + unsigned long ebb_regs[3] = {}; /* shut up GCC */ + unsigned long user_tar = 0; + unsigned int user_vrsave; if (!vcpu->arch.sane) { run->exit_reason = KVM_EXIT_INTERNAL_ERROR; return -EINVAL; } + /* + * Don't allow entry with a suspended transaction, because + * the guest entry/exit code will lose it. + * If the guest has TM enabled, save away their TM-related SPRs + * (they will get restored by the TM unavailable interrupt). + */ +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM + if (cpu_has_feature(CPU_FTR_TM) && current->thread.regs && + (current->thread.regs->msr & MSR_TM)) { + if (MSR_TM_ACTIVE(current->thread.regs->msr)) { + run->exit_reason = KVM_EXIT_FAIL_ENTRY; + run->fail_entry.hardware_entry_failure_reason = 0; + return -EINVAL; + } + current->thread.tm_tfhar = mfspr(SPRN_TFHAR); + current->thread.tm_tfiar = mfspr(SPRN_TFIAR); + current->thread.tm_texasr = mfspr(SPRN_TEXASR); + current->thread.regs->msr &= ~MSR_TM; + } +#endif + kvmppc_core_prepare_to_enter(vcpu); /* No need to go into the guest when all we'll do is come back out */ @@ -2929,6 +2961,15 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu) flush_all_to_thread(current); + /* Save userspace EBB and other register values */ + if (cpu_has_feature(CPU_FTR_ARCH_207S)) { + ebb_regs[0] = mfspr(SPRN_EBBHR); + ebb_regs[1] = mfspr(SPRN_EBBRR); + ebb_regs[2] = mfspr(SPRN_BESCR); + user_tar = mfspr(SPRN_TAR); + } + user_vrsave = mfspr(SPRN_VRSAVE); + vcpu->arch.wqp = &vcpu->arch.vcore->wq; vcpu->arch.pgdir = current->mm->pgd; vcpu->arch.state = KVMPPC_VCPU_BUSY_IN_HOST; @@ -2951,6 +2992,16 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu) r = kvmppc_xics_rm_complete(vcpu, 0); } while (is_kvmppc_resume_guest(r)); + /* Restore userspace EBB and other register values */ + if (cpu_has_feature(CPU_FTR_ARCH_207S)) { + mtspr(SPRN_EBBHR, ebb_regs[0]); + mtspr(SPRN_EBBRR, ebb_regs[1]); + mtspr(SPRN_BESCR, ebb_regs[2]); + mtspr(SPRN_TAR, user_tar); + mtspr(SPRN_FSCR, current->thread.fscr); + } + mtspr(SPRN_VRSAVE, user_vrsave); + out: vcpu->arch.state = KVMPPC_VCPU_NOTREADY; atomic_dec(&vcpu->kvm->arch.vcpus_running); diff --git a/arch/powerpc/kvm/book3s_hv_interrupts.S b/arch/powerpc/kvm/book3s_hv_interrupts.S index 0fdc4a28970b..404deb512844 100644 --- a/arch/powerpc/kvm/book3s_hv_interrupts.S +++ b/arch/powerpc/kvm/book3s_hv_interrupts.S @@ -121,10 +121,20 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) * Put whatever is in the decrementer into the * hypervisor decrementer. */ +BEGIN_FTR_SECTION + ld r5, HSTATE_KVM_VCORE(r13) + ld r6, VCORE_KVM(r5) + ld r9, KVM_HOST_LPCR(r6) + andis. r9, r9, LPCR_LD@h +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) mfspr r8,SPRN_DEC mftb r7 - mtspr SPRN_HDEC,r8 +BEGIN_FTR_SECTION + /* On POWER9, don't sign-extend if host LPCR[LD] bit is set */ + bne 32f +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) extsw r8,r8 +32: mtspr SPRN_HDEC,r8 add r8,r8,r7 std r8,HSTATE_DECEXP(r13) diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 7c6477d1840a..9250866cc900 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -31,12 +31,29 @@ #include <asm/tm.h> #include <asm/opal.h> +/* Sign-extend HDEC if not on POWER9 */ +#define EXTEND_HDEC(reg) \ +BEGIN_FTR_SECTION; \ + extsw reg, reg; \ +END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_300) + #define VCPU_GPRS_TM(reg) (((reg) * ULONG_SIZE) + VCPU_GPR_TM) /* Values in HSTATE_NAPPING(r13) */ #define NAPPING_CEDE 1 #define NAPPING_NOVCPU 2 +/* Stack frame offsets for kvmppc_hv_entry */ +#define SFS 144 +#define STACK_SLOT_TRAP (SFS-4) +#define STACK_SLOT_TID (SFS-16) +#define STACK_SLOT_PSSCR (SFS-24) +#define STACK_SLOT_PID (SFS-32) +#define STACK_SLOT_IAMR (SFS-40) +#define STACK_SLOT_CIABR (SFS-48) +#define STACK_SLOT_DAWR (SFS-56) +#define STACK_SLOT_DAWRX (SFS-64) + /* * Call kvmppc_hv_entry in real mode. * Must be called with interrupts hard-disabled. @@ -213,6 +230,8 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) kvmppc_primary_no_guest: /* We handle this much like a ceded vcpu */ /* put the HDEC into the DEC, since HDEC interrupts don't wake us */ + /* HDEC may be larger than DEC for arch >= v3.00, but since the */ + /* HDEC value came from DEC in the first place, it will fit */ mfspr r3, SPRN_HDEC mtspr SPRN_DEC, r3 /* @@ -294,8 +313,9 @@ kvm_novcpu_wakeup: /* See if our timeslice has expired (HDEC is negative) */ mfspr r0, SPRN_HDEC + EXTEND_HDEC(r0) li r12, BOOK3S_INTERRUPT_HV_DECREMENTER - cmpwi r0, 0 + cmpdi r0, 0 blt kvm_novcpu_exit /* Got an IPI but other vcpus aren't yet exiting, must be a latecomer */ @@ -318,10 +338,10 @@ kvm_novcpu_exit: bl kvmhv_accumulate_time #endif 13: mr r3, r12 - stw r12, 112-4(r1) + stw r12, STACK_SLOT_TRAP(r1) bl kvmhv_commence_exit nop - lwz r12, 112-4(r1) + lwz r12, STACK_SLOT_TRAP(r1) b kvmhv_switch_to_host /* @@ -389,8 +409,8 @@ kvm_secondary_got_guest: lbz r4, HSTATE_PTID(r13) cmpwi r4, 0 bne 63f - lis r6, 0x7fff - ori r6, r6, 0xffff + LOAD_REG_ADDR(r6, decrementer_max) + ld r6, 0(r6) mtspr SPRN_HDEC, r6 /* and set per-LPAR registers, if doing dynamic micro-threading */ ld r6, HSTATE_SPLIT_MODE(r13) @@ -544,11 +564,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) * * *****************************************************************************/ -/* Stack frame offsets */ -#define STACK_SLOT_TID (112-16) -#define STACK_SLOT_PSSCR (112-24) -#define STACK_SLOT_PID (112-32) - .global kvmppc_hv_entry kvmppc_hv_entry: @@ -564,7 +579,7 @@ kvmppc_hv_entry: */ mflr r0 std r0, PPC_LR_STKOFF(r1) - stdu r1, -112(r1) + stdu r1, -SFS(r1) /* Save R1 in the PACA */ std r1, HSTATE_HOST_R1(r13) @@ -748,10 +763,20 @@ BEGIN_FTR_SECTION mfspr r5, SPRN_TIDR mfspr r6, SPRN_PSSCR mfspr r7, SPRN_PID + mfspr r8, SPRN_IAMR std r5, STACK_SLOT_TID(r1) std r6, STACK_SLOT_PSSCR(r1) std r7, STACK_SLOT_PID(r1) + std r8, STACK_SLOT_IAMR(r1) END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) +BEGIN_FTR_SECTION + mfspr r5, SPRN_CIABR + mfspr r6, SPRN_DAWR + mfspr r7, SPRN_DAWRX + std r5, STACK_SLOT_CIABR(r1) + std r6, STACK_SLOT_DAWR(r1) + std r7, STACK_SLOT_DAWRX(r1) +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) BEGIN_FTR_SECTION /* Set partition DABR */ @@ -967,7 +992,8 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_300) /* Check if HDEC expires soon */ mfspr r3, SPRN_HDEC - cmpwi r3, 512 /* 1 microsecond */ + EXTEND_HDEC(r3) + cmpdi r3, 512 /* 1 microsecond */ blt hdec_soon deliver_guest_interrupt: @@ -1451,11 +1477,10 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_300) * set by the guest could disrupt the host. */ li r0, 0 - mtspr SPRN_IAMR, r0 - mtspr SPRN_CIABR, r0 - mtspr SPRN_DAWRX, r0 + mtspr SPRN_PSPB, r0 mtspr SPRN_WORT, r0 BEGIN_FTR_SECTION + mtspr SPRN_IAMR, r0 mtspr SPRN_TCSCR, r0 /* Set MMCRS to 1<<31 to freeze and disable the SPMC counters */ li r0, 1 @@ -1471,6 +1496,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_300) std r6,VCPU_UAMOR(r9) li r6,0 mtspr SPRN_AMR,r6 + mtspr SPRN_UAMOR, r6 /* Switch DSCR back to host value */ mfspr r8, SPRN_DSCR @@ -1616,12 +1642,22 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) /* Restore host values of some registers */ BEGIN_FTR_SECTION + ld r5, STACK_SLOT_CIABR(r1) + ld r6, STACK_SLOT_DAWR(r1) + ld r7, STACK_SLOT_DAWRX(r1) + mtspr SPRN_CIABR, r5 + mtspr SPRN_DAWR, r6 + mtspr SPRN_DAWRX, r7 +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) +BEGIN_FTR_SECTION ld r5, STACK_SLOT_TID(r1) ld r6, STACK_SLOT_PSSCR(r1) ld r7, STACK_SLOT_PID(r1) + ld r8, STACK_SLOT_IAMR(r1) mtspr SPRN_TIDR, r5 mtspr SPRN_PSSCR, r6 mtspr SPRN_PID, r7 + mtspr SPRN_IAMR, r8 END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) BEGIN_FTR_SECTION PPC_INVALIDATE_ERAT @@ -1765,8 +1801,8 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_RADIX) li r0, KVM_GUEST_MODE_NONE stb r0, HSTATE_IN_GUEST(r13) - ld r0, 112+PPC_LR_STKOFF(r1) - addi r1, r1, 112 + ld r0, SFS+PPC_LR_STKOFF(r1) + addi r1, r1, SFS mtlr r0 blr @@ -2308,12 +2344,13 @@ END_FTR_SECTION_IFSET(CPU_FTR_TM) mfspr r3, SPRN_DEC mfspr r4, SPRN_HDEC mftb r5 - cmpw r3, r4 + extsw r3, r3 + EXTEND_HDEC(r4) + cmpd r3, r4 ble 67f mtspr SPRN_DEC, r4 67: /* save expiry time of guest decrementer */ - extsw r3, r3 add r3, r3, r5 ld r4, HSTATE_KVM_VCPU(r13) ld r5, HSTATE_KVM_VCORE(r13) diff --git a/arch/powerpc/perf/perf_regs.c b/arch/powerpc/perf/perf_regs.c index cbd82fde5770..09ceea6175ba 100644 --- a/arch/powerpc/perf/perf_regs.c +++ b/arch/powerpc/perf/perf_regs.c @@ -101,5 +101,6 @@ void perf_get_regs_user(struct perf_regs *regs_user, struct pt_regs *regs_user_copy) { regs_user->regs = task_pt_regs(current); - regs_user->abi = perf_reg_abi(current); + regs_user->abi = (regs_user->regs) ? perf_reg_abi(current) : + PERF_SAMPLE_REGS_ABI_NONE; } diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c index ddbffb715b40..e92f5bd9d0b4 100644 --- a/arch/s390/kvm/gaccess.c +++ b/arch/s390/kvm/gaccess.c @@ -977,11 +977,12 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, ptr = asce.origin * 4096; if (asce.r) { *fake = 1; + ptr = 0; asce.dt = ASCE_TYPE_REGION1; } switch (asce.dt) { case ASCE_TYPE_REGION1: - if (vaddr.rfx01 > asce.tl && !asce.r) + if (vaddr.rfx01 > asce.tl && !*fake) return PGM_REGION_FIRST_TRANS; break; case ASCE_TYPE_REGION2: @@ -1009,8 +1010,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, union region1_table_entry rfte; if (*fake) { - /* offset in 16EB guest memory block */ - ptr = ptr + ((unsigned long) vaddr.rsx << 53UL); + ptr += (unsigned long) vaddr.rfx << 53; rfte.val = ptr; goto shadow_r2t; } @@ -1036,8 +1036,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, union region2_table_entry rste; if (*fake) { - /* offset in 8PB guest memory block */ - ptr = ptr + ((unsigned long) vaddr.rtx << 42UL); + ptr += (unsigned long) vaddr.rsx << 42; rste.val = ptr; goto shadow_r3t; } @@ -1064,8 +1063,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, union region3_table_entry rtte; if (*fake) { - /* offset in 4TB guest memory block */ - ptr = ptr + ((unsigned long) vaddr.sx << 31UL); + ptr += (unsigned long) vaddr.rtx << 31; rtte.val = ptr; goto shadow_sgt; } @@ -1101,8 +1099,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, union segment_table_entry ste; if (*fake) { - /* offset in 2G guest memory block */ - ptr = ptr + ((unsigned long) vaddr.sx << 20UL); + ptr += (unsigned long) vaddr.sx << 20; ste.val = ptr; goto shadow_pgt; } diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index eb1484c86bb4..65c2ca578556 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -431,11 +431,11 @@ static __initconst const u64 skl_hw_cache_event_ids [ C(DTLB) ] = { [ C(OP_READ) ] = { [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_INST_RETIRED.ALL_LOADS */ - [ C(RESULT_MISS) ] = 0x608, /* DTLB_LOAD_MISSES.WALK_COMPLETED */ + [ C(RESULT_MISS) ] = 0xe08, /* DTLB_LOAD_MISSES.WALK_COMPLETED */ }, [ C(OP_WRITE) ] = { [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_INST_RETIRED.ALL_STORES */ - [ C(RESULT_MISS) ] = 0x649, /* DTLB_STORE_MISSES.WALK_COMPLETED */ + [ C(RESULT_MISS) ] = 0xe49, /* DTLB_STORE_MISSES.WALK_COMPLETED */ }, [ C(OP_PREFETCH) ] = { [ C(RESULT_ACCESS) ] = 0x0, diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h index 3e8c287090e4..d5f83cda1dea 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -294,6 +294,7 @@ struct x86_emulate_ctxt { bool perm_ok; /* do not check permissions if true */ bool ud; /* inject an #UD if host doesn't support insn */ + bool tf; /* TF value before instruction (after for syscall/sysret) */ bool have_exception; struct x86_exception exception; diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 45c7306c8780..ce7f80baa664 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2742,6 +2742,7 @@ static int em_syscall(struct x86_emulate_ctxt *ctxt) ctxt->eflags &= ~(X86_EFLAGS_VM | X86_EFLAGS_IF); } + ctxt->tf = (ctxt->eflags & X86_EFLAGS_TF) != 0; return X86EMUL_CONTINUE; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 6557c790c8c1..dd1fe338c5f5 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -5330,6 +5330,8 @@ static void init_emulate_ctxt(struct kvm_vcpu *vcpu) kvm_x86_ops->get_cs_db_l_bits(vcpu, &cs_db, &cs_l); ctxt->eflags = kvm_get_rflags(vcpu); + ctxt->tf = (ctxt->eflags & X86_EFLAGS_TF) != 0; + ctxt->eip = kvm_rip_read(vcpu); ctxt->mode = (!is_protmode(vcpu)) ? X86EMUL_MODE_REAL : (ctxt->eflags & X86_EFLAGS_VM) ? X86EMUL_MODE_VM86 : @@ -5546,36 +5548,25 @@ static int kvm_vcpu_check_hw_bp(unsigned long addr, u32 type, u32 dr7, return dr6; } -static void kvm_vcpu_check_singlestep(struct kvm_vcpu *vcpu, unsigned long rflags, int *r) +static void kvm_vcpu_do_singlestep(struct kvm_vcpu *vcpu, int *r) { struct kvm_run *kvm_run = vcpu->run; - /* - * rflags is the old, "raw" value of the flags. The new value has - * not been saved yet. - * - * This is correct even for TF set by the guest, because "the - * processor will not generate this exception after the instruction - * that sets the TF flag". - */ - if (unlikely(rflags & X86_EFLAGS_TF)) { - if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) { - kvm_run->debug.arch.dr6 = DR6_BS | DR6_FIXED_1 | - DR6_RTM; - kvm_run->debug.arch.pc = vcpu->arch.singlestep_rip; - kvm_run->debug.arch.exception = DB_VECTOR; - kvm_run->exit_reason = KVM_EXIT_DEBUG; - *r = EMULATE_USER_EXIT; - } else { - /* - * "Certain debug exceptions may clear bit 0-3. The - * remaining contents of the DR6 register are never - * cleared by the processor". - */ - vcpu->arch.dr6 &= ~15; - vcpu->arch.dr6 |= DR6_BS | DR6_RTM; - kvm_queue_exception(vcpu, DB_VECTOR); - } + if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) { + kvm_run->debug.arch.dr6 = DR6_BS | DR6_FIXED_1 | DR6_RTM; + kvm_run->debug.arch.pc = vcpu->arch.singlestep_rip; + kvm_run->debug.arch.exception = DB_VECTOR; + kvm_run->exit_reason = KVM_EXIT_DEBUG; + *r = EMULATE_USER_EXIT; + } else { + /* + * "Certain debug exceptions may clear bit 0-3. The + * remaining contents of the DR6 register are never + * cleared by the processor". + */ + vcpu->arch.dr6 &= ~15; + vcpu->arch.dr6 |= DR6_BS | DR6_RTM; + kvm_queue_exception(vcpu, DB_VECTOR); } } @@ -5585,7 +5576,17 @@ int kvm_skip_emulated_instruction(struct kvm_vcpu *vcpu) int r = EMULATE_DONE; kvm_x86_ops->skip_emulated_instruction(vcpu); - kvm_vcpu_check_singlestep(vcpu, rflags, &r); + + /* + * rflags is the old, "raw" value of the flags. The new value has + * not been saved yet. + * + * This is correct even for TF set by the guest, because "the + * processor will not generate this exception after the instruction + * that sets the TF flag". + */ + if (unlikely(rflags & X86_EFLAGS_TF)) + kvm_vcpu_do_singlestep(vcpu, &r); return r == EMULATE_DONE; } EXPORT_SYMBOL_GPL(kvm_skip_emulated_instruction); @@ -5746,8 +5747,9 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, if (vcpu->arch.hflags != ctxt->emul_flags) kvm_set_hflags(vcpu, ctxt->emul_flags); kvm_rip_write(vcpu, ctxt->eip); - if (r == EMULATE_DONE) - kvm_vcpu_check_singlestep(vcpu, rflags, &r); + if (r == EMULATE_DONE && + (ctxt->tf || (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP))) + kvm_vcpu_do_singlestep(vcpu, &r); if (!ctxt->have_exception || exception_type(ctxt->exception.vector) == EXCPT_TRAP) __kvm_set_rflags(vcpu, ctxt->eflags); diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 2433569b02ef..bc9adb4a2fd7 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1433,6 +1433,37 @@ static void acpi_init_coherency(struct acpi_device *adev) adev->flags.coherent_dma = cca; } +static int acpi_check_spi_i2c_slave(struct acpi_resource *ares, void *data) +{ + bool *is_spi_i2c_slave_p = data; + + if (ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) + return 1; + + /* + * devices that are connected to UART still need to be enumerated to + * platform bus + */ + if (ares->data.common_serial_bus.type != ACPI_RESOURCE_SERIAL_TYPE_UART) + *is_spi_i2c_slave_p = true; + + /* no need to do more checking */ + return -1; +} + +static bool acpi_is_spi_i2c_slave(struct acpi_device *device) +{ + struct list_head resource_list; + bool is_spi_i2c_slave = false; + + INIT_LIST_HEAD(&resource_list); + acpi_dev_get_resources(device, &resource_list, acpi_check_spi_i2c_slave, + &is_spi_i2c_slave); + acpi_dev_free_resource_list(&resource_list); + + return is_spi_i2c_slave; +} + void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, int type, unsigned long long sta) { @@ -1448,6 +1479,7 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, acpi_bus_get_flags(device); device->flags.match_driver = false; device->flags.initialized = true; + device->flags.spi_i2c_slave = acpi_is_spi_i2c_slave(device); acpi_device_clear_enumerated(device); device_initialize(&device->dev); dev_set_uevent_suppress(&device->dev, true); @@ -1732,38 +1764,13 @@ static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl_not_used, return AE_OK; } -static int acpi_check_spi_i2c_slave(struct acpi_resource *ares, void *data) -{ - bool *is_spi_i2c_slave_p = data; - - if (ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) - return 1; - - /* - * devices that are connected to UART still need to be enumerated to - * platform bus - */ - if (ares->data.common_serial_bus.type != ACPI_RESOURCE_SERIAL_TYPE_UART) - *is_spi_i2c_slave_p = true; - - /* no need to do more checking */ - return -1; -} - static void acpi_default_enumeration(struct acpi_device *device) { - struct list_head resource_list; - bool is_spi_i2c_slave = false; - /* * Do not enumerate SPI/I2C slaves as they will be enumerated by their * respective parents. */ - INIT_LIST_HEAD(&resource_list); - acpi_dev_get_resources(device, &resource_list, acpi_check_spi_i2c_slave, - &is_spi_i2c_slave); - acpi_dev_free_resource_list(&resource_list); - if (!is_spi_i2c_slave) { + if (!device->flags.spi_i2c_slave) { acpi_create_platform_device(device, NULL); acpi_device_set_enumerated(device); } else { @@ -1857,7 +1864,7 @@ static void acpi_bus_attach(struct acpi_device *device) return; device->flags.match_driver = true; - if (ret > 0) { + if (ret > 0 && !device->flags.spi_i2c_slave) { acpi_device_set_enumerated(device); goto ok; } @@ -1866,7 +1873,7 @@ static void acpi_bus_attach(struct acpi_device *device) if (ret < 0) return; - if (ret > 0 || !device->pnp.type.platform_id) + if (!device->pnp.type.platform_id && !device->flags.spi_i2c_slave) acpi_device_set_enumerated(device); else acpi_default_enumeration(device); diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 726c32e35db9..fbe0dfdffc0d 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -1436,34 +1436,35 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, static void make_response(struct xen_blkif_ring *ring, u64 id, unsigned short op, int st) { - struct blkif_response resp; + struct blkif_response *resp; unsigned long flags; union blkif_back_rings *blk_rings; int notify; - resp.id = id; - resp.operation = op; - resp.status = st; - spin_lock_irqsave(&ring->blk_ring_lock, flags); blk_rings = &ring->blk_rings; /* Place on the response ring for the relevant domain. */ switch (ring->blkif->blk_protocol) { case BLKIF_PROTOCOL_NATIVE: - memcpy(RING_GET_RESPONSE(&blk_rings->native, blk_rings->native.rsp_prod_pvt), - &resp, sizeof(resp)); + resp = RING_GET_RESPONSE(&blk_rings->native, + blk_rings->native.rsp_prod_pvt); break; case BLKIF_PROTOCOL_X86_32: - memcpy(RING_GET_RESPONSE(&blk_rings->x86_32, blk_rings->x86_32.rsp_prod_pvt), - &resp, sizeof(resp)); + resp = RING_GET_RESPONSE(&blk_rings->x86_32, + blk_rings->x86_32.rsp_prod_pvt); break; case BLKIF_PROTOCOL_X86_64: - memcpy(RING_GET_RESPONSE(&blk_rings->x86_64, blk_rings->x86_64.rsp_prod_pvt), - &resp, sizeof(resp)); + resp = RING_GET_RESPONSE(&blk_rings->x86_64, + blk_rings->x86_64.rsp_prod_pvt); break; default: BUG(); } + + resp->id = id; + resp->operation = op; + resp->status = st; + blk_rings->common.rsp_prod_pvt++; RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&blk_rings->common, notify); spin_unlock_irqrestore(&ring->blk_ring_lock, flags); diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index dea61f6ab8cb..ecb35fe8ca8d 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -75,9 +75,8 @@ extern unsigned int xenblk_max_queues; struct blkif_common_request { char dummy; }; -struct blkif_common_response { - char dummy; -}; + +/* i386 protocol version */ struct blkif_x86_32_request_rw { uint8_t nr_segments; /* number of segments */ @@ -129,14 +128,6 @@ struct blkif_x86_32_request { } u; } __attribute__((__packed__)); -/* i386 protocol version */ -#pragma pack(push, 4) -struct blkif_x86_32_response { - uint64_t id; /* copied from request */ - uint8_t operation; /* copied from request */ - int16_t status; /* BLKIF_RSP_??? */ -}; -#pragma pack(pop) /* x86_64 protocol version */ struct blkif_x86_64_request_rw { @@ -193,18 +184,12 @@ struct blkif_x86_64_request { } u; } __attribute__((__packed__)); -struct blkif_x86_64_response { - uint64_t __attribute__((__aligned__(8))) id; - uint8_t operation; /* copied from request */ - int16_t status; /* BLKIF_RSP_??? */ -}; - DEFINE_RING_TYPES(blkif_common, struct blkif_common_request, - struct blkif_common_response); + struct blkif_response); DEFINE_RING_TYPES(blkif_x86_32, struct blkif_x86_32_request, - struct blkif_x86_32_response); + struct blkif_response __packed); DEFINE_RING_TYPES(blkif_x86_64, struct blkif_x86_64_request, - struct blkif_x86_64_response); + struct blkif_response); union blkif_back_rings { struct blkif_back_ring native; @@ -281,6 +266,7 @@ struct xen_blkif_ring { wait_queue_head_t wq; atomic_t inflight; + bool active; /* One thread per blkif ring. */ struct task_struct *xenblkd; unsigned int waiting_reqs; diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 8fe61b5dc5a6..dcabf52425ff 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -159,7 +159,7 @@ static int xen_blkif_alloc_rings(struct xen_blkif *blkif) init_waitqueue_head(&ring->shutdown_wq); ring->blkif = blkif; ring->st_print = jiffies; - xen_blkif_get(blkif); + ring->active = true; } return 0; @@ -249,6 +249,9 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif) struct xen_blkif_ring *ring = &blkif->rings[r]; unsigned int i = 0; + if (!ring->active) + continue; + if (ring->xenblkd) { kthread_stop(ring->xenblkd); wake_up(&ring->shutdown_wq); @@ -296,7 +299,7 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif) BUG_ON(ring->free_pages_num != 0); BUG_ON(ring->persistent_gnt_c != 0); WARN_ON(i != (XEN_BLKIF_REQS_PER_PAGE * blkif->nr_ring_pages)); - xen_blkif_put(blkif); + ring->active = false; } blkif->nr_ring_pages = 0; /* diff --git a/drivers/char/random.c b/drivers/char/random.c index 2291e6224ed3..8944a844ca95 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -803,13 +803,13 @@ static int crng_fast_load(const char *cp, size_t len) p[crng_init_cnt % CHACHA20_KEY_SIZE] ^= *cp; cp++; crng_init_cnt++; len--; } + spin_unlock_irqrestore(&primary_crng.lock, flags); if (crng_init_cnt >= CRNG_INIT_CNT_THRESH) { invalidate_batched_entropy(); crng_init = 1; wake_up_interruptible(&crng_init_wait); pr_notice("random: fast init done\n"); } - spin_unlock_irqrestore(&primary_crng.lock, flags); return 1; } @@ -841,6 +841,7 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r) } memzero_explicit(&buf, sizeof(buf)); crng->init_time = jiffies; + spin_unlock_irqrestore(&primary_crng.lock, flags); if (crng == &primary_crng && crng_init < 2) { invalidate_batched_entropy(); crng_init = 2; @@ -848,7 +849,6 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r) wake_up_interruptible(&crng_init_wait); pr_notice("random: crng init done\n"); } - spin_unlock_irqrestore(&primary_crng.lock, flags); } static inline void crng_wait_ready(void) @@ -2037,8 +2037,8 @@ static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u64); u64 get_random_u64(void) { u64 ret; - bool use_lock = crng_init < 2; - unsigned long flags; + bool use_lock = READ_ONCE(crng_init) < 2; + unsigned long flags = 0; struct batched_entropy *batch; #if BITS_PER_LONG == 64 @@ -2069,8 +2069,8 @@ static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u32); u32 get_random_u32(void) { u32 ret; - bool use_lock = crng_init < 2; - unsigned long flags; + bool use_lock = READ_ONCE(crng_init) < 2; + unsigned long flags = 0; struct batched_entropy *batch; if (arch_get_random_int(&ret)) diff --git a/drivers/clk/sunxi-ng/ccu-sun5i.c b/drivers/clk/sunxi-ng/ccu-sun5i.c index 06edaa523479..2999618e1a59 100644 --- a/drivers/clk/sunxi-ng/ccu-sun5i.c +++ b/drivers/clk/sunxi-ng/ccu-sun5i.c @@ -243,7 +243,7 @@ static SUNXI_CCU_GATE(ahb_ss_clk, "ahb-ss", "ahb", static SUNXI_CCU_GATE(ahb_dma_clk, "ahb-dma", "ahb", 0x060, BIT(6), 0); static SUNXI_CCU_GATE(ahb_bist_clk, "ahb-bist", "ahb", - 0x060, BIT(6), 0); + 0x060, BIT(7), 0); static SUNXI_CCU_GATE(ahb_mmc0_clk, "ahb-mmc0", "ahb", 0x060, BIT(8), 0); static SUNXI_CCU_GATE(ahb_mmc1_clk, "ahb-mmc1", "ahb", diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c index 89e68d29bf45..df97e25aec76 100644 --- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c +++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c @@ -556,7 +556,7 @@ static SUNXI_CCU_M_WITH_MUX_GATE(lcd0_ch1_clk, "lcd0-ch1", lcd_ch1_parents, 0x12c, 0, 4, 24, 3, BIT(31), CLK_SET_RATE_PARENT); static SUNXI_CCU_M_WITH_MUX_GATE(lcd1_ch1_clk, "lcd1-ch1", lcd_ch1_parents, - 0x12c, 0, 4, 24, 3, BIT(31), + 0x130, 0, 4, 24, 3, BIT(31), CLK_SET_RATE_PARENT); static const char * const csi_sclk_parents[] = { "pll-video0", "pll-video1", diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c index e58706b40ae9..6297add857b5 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c @@ -537,7 +537,7 @@ static struct ccu_reset_map sun8i_v3s_ccu_resets[] = { [RST_BUS_EMAC] = { 0x2c0, BIT(17) }, [RST_BUS_HSTIMER] = { 0x2c0, BIT(19) }, [RST_BUS_SPI0] = { 0x2c0, BIT(20) }, - [RST_BUS_OTG] = { 0x2c0, BIT(23) }, + [RST_BUS_OTG] = { 0x2c0, BIT(24) }, [RST_BUS_EHCI0] = { 0x2c0, BIT(26) }, [RST_BUS_OHCI0] = { 0x2c0, BIT(29) }, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 56a86dd5789e..2de6475a684e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -693,6 +693,10 @@ int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev) DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n", adev->clock.default_dispclk / 100); adev->clock.default_dispclk = 60000; + } else if (adev->clock.default_dispclk <= 60000) { + DRM_INFO("Changing default dispclk from %dMhz to 625Mhz\n", + adev->clock.default_dispclk / 100); + adev->clock.default_dispclk = 62500; } adev->clock.dp_extclk = le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index b76cd699eb0d..b1f02277be79 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -422,6 +422,7 @@ static const struct pci_device_id pciidlist[] = { {0x1002, 0x6986, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x6987, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x6995, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, + {0x1002, 0x6997, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x699F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0, 0, 0} diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c b/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c index 8c9bc75a9c2d..8a0818b23ea4 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c @@ -165,7 +165,7 @@ void amdgpu_atombios_crtc_powergate(struct drm_crtc *crtc, int state) struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating); - ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args; + ENABLE_DISP_POWER_GATING_PS_ALLOCATION args; memset(&args, 0, sizeof(args)); @@ -178,7 +178,7 @@ void amdgpu_atombios_crtc_powergate(struct drm_crtc *crtc, int state) void amdgpu_atombios_crtc_powergate_init(struct amdgpu_device *adev) { int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating); - ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args; + ENABLE_DISP_POWER_GATING_PS_ALLOCATION args; memset(&args, 0, sizeof(args)); diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 45464c8b797d..2a6059ce3842 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -1169,21 +1169,6 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, if (!connector) return -ENOENT; - drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); - encoder = drm_connector_get_encoder(connector); - if (encoder) - out_resp->encoder_id = encoder->base.id; - else - out_resp->encoder_id = 0; - - ret = drm_mode_object_get_properties(&connector->base, file_priv->atomic, - (uint32_t __user *)(unsigned long)(out_resp->props_ptr), - (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), - &out_resp->count_props); - drm_modeset_unlock(&dev->mode_config.connection_mutex); - if (ret) - goto out_unref; - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) if (connector->encoder_ids[i] != 0) encoders_count++; @@ -1196,7 +1181,7 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, if (put_user(connector->encoder_ids[i], encoder_ptr + copied)) { ret = -EFAULT; - goto out_unref; + goto out; } copied++; } @@ -1240,15 +1225,32 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, if (copy_to_user(mode_ptr + copied, &u_mode, sizeof(u_mode))) { ret = -EFAULT; + mutex_unlock(&dev->mode_config.mutex); + goto out; } copied++; } } out_resp->count_modes = mode_count; -out: mutex_unlock(&dev->mode_config.mutex); -out_unref: + + drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); + encoder = drm_connector_get_encoder(connector); + if (encoder) + out_resp->encoder_id = encoder->base.id; + else + out_resp->encoder_id = 0; + + /* Only grab properties after probing, to make sure EDID and other + * properties reflect the latest status. */ + ret = drm_mode_object_get_properties(&connector->base, file_priv->atomic, + (uint32_t __user *)(unsigned long)(out_resp->props_ptr), + (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), + &out_resp->count_props); + drm_modeset_unlock(&dev->mode_config.connection_mutex); + +out: drm_connector_unreference(connector); return ret; diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 432480ff9d22..3178ba0c537c 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -3393,6 +3393,13 @@ void radeon_combios_asic_init(struct drm_device *dev) rdev->pdev->subsystem_vendor == 0x103c && rdev->pdev->subsystem_device == 0x280a) return; + /* quirk for rs4xx Toshiba Sattellite L20-183 latop to make it resume + * - it hangs on resume inside the dynclk 1 table. + */ + if (rdev->family == CHIP_RS400 && + rdev->pdev->subsystem_vendor == 0x1179 && + rdev->pdev->subsystem_device == 0xff31) + return; /* DYN CLK 1 */ table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE); diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 4b0c388be3f5..5cdc39125b42 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -136,6 +136,10 @@ static struct radeon_px_quirk radeon_px_quirk_list[] = { * https://bugzilla.kernel.org/show_bug.cgi?id=51381 */ { PCI_VENDOR_ID_ATI, 0x6840, 0x1043, 0x2122, RADEON_PX_QUIRK_DISABLE_PX }, + /* Asus K53TK laptop with AMD A6-3420M APU and Radeon 7670m GPU + * https://bugs.freedesktop.org/show_bug.cgi?id=101491 + */ + { PCI_VENDOR_ID_ATI, 0x6741, 0x1043, 0x2122, RADEON_PX_QUIRK_DISABLE_PX }, /* macbook pro 8.2 */ { PCI_VENDOR_ID_ATI, 0x6741, PCI_VENDOR_ID_APPLE, 0x00e2, RADEON_PX_QUIRK_LONG_WAKEUP }, { 0, 0, 0, 0, 0 }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index b26c030926c1..d3793867adae 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -315,6 +315,9 @@ #define USB_VENDOR_ID_DELCOM 0x0fc5 #define USB_DEVICE_ID_DELCOM_VISUAL_IND 0xb080 +#define USB_VENDOR_ID_DELL 0x413c +#define USB_DEVICE_ID_DELL_PIXART_USB_OPTICAL_MOUSE 0x301a + #define USB_VENDOR_ID_DELORME 0x1163 #define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100 #define USB_DEVICE_ID_DELORME_EM_LT20 0x0200 diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index a69a3c88ab29..9f9eb32ab7db 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -84,6 +84,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K65RGB_RAPIDFIRE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3, HID_QUIRK_MULTI_INPUT }, diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 09720d950686..f932a83b4990 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -723,6 +723,13 @@ static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"), }, }, + { + /* Fujitsu UH554 laptop */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"), + }, + }, { } }; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 012194bc92d3..1238c4ec5215 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -2192,9 +2192,10 @@ static int cxgb_up(struct adapter *adap) { int err; + mutex_lock(&uld_mutex); err = setup_sge_queues(adap); if (err) - goto out; + goto rel_lock; err = setup_rss(adap); if (err) goto freeq; @@ -2218,7 +2219,6 @@ static int cxgb_up(struct adapter *adap) goto irq_err; } - mutex_lock(&uld_mutex); enable_rx(adap); t4_sge_start(adap); t4_intr_enable(adap); @@ -2231,13 +2231,15 @@ static int cxgb_up(struct adapter *adap) #endif /* Initialize hash mac addr list*/ INIT_LIST_HEAD(&adap->mac_hlist); - out: return err; + irq_err: dev_err(adap->pdev_dev, "request_irq failed, err %d\n", err); freeq: t4_free_sge_resources(adap); - goto out; + rel_lock: + mutex_unlock(&uld_mutex); + return err; } static void cxgb_down(struct adapter *adapter) diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 9097e42bec2e..57297ba23987 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -1127,8 +1127,6 @@ static int marvell_read_status_page(struct phy_device *phydev, int page) if (adv < 0) return adv; - lpa &= adv; - if (status & MII_M1011_PHY_STATUS_FULLDUPLEX) phydev->duplex = DUPLEX_FULL; else diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c index c7c1e9906500..d231042f19d6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c @@ -442,7 +442,7 @@ struct brcmf_fw { const char *nvram_name; u16 domain_nr; u16 bus_nr; - void (*done)(struct device *dev, const struct firmware *fw, + void (*done)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len); }; @@ -477,52 +477,51 @@ static void brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx) if (!nvram && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL)) goto fail; - fwctx->done(fwctx->dev, fwctx->code, nvram, nvram_length); + fwctx->done(fwctx->dev, 0, fwctx->code, nvram, nvram_length); kfree(fwctx); return; fail: brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev)); release_firmware(fwctx->code); - device_release_driver(fwctx->dev); + fwctx->done(fwctx->dev, -ENOENT, NULL, NULL, 0); kfree(fwctx); } static void brcmf_fw_request_code_done(const struct firmware *fw, void *ctx) { struct brcmf_fw *fwctx = ctx; - int ret; + int ret = 0; brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev)); - if (!fw) + if (!fw) { + ret = -ENOENT; goto fail; - - /* only requested code so done here */ - if (!(fwctx->flags & BRCMF_FW_REQUEST_NVRAM)) { - fwctx->done(fwctx->dev, fw, NULL, 0); - kfree(fwctx); - return; } + /* only requested code so done here */ + if (!(fwctx->flags & BRCMF_FW_REQUEST_NVRAM)) + goto done; + fwctx->code = fw; ret = request_firmware_nowait(THIS_MODULE, true, fwctx->nvram_name, fwctx->dev, GFP_KERNEL, fwctx, brcmf_fw_request_nvram_done); - if (!ret) - return; - - brcmf_fw_request_nvram_done(NULL, fwctx); + /* pass NULL to nvram callback for bcm47xx fallback */ + if (ret) + brcmf_fw_request_nvram_done(NULL, fwctx); return; fail: brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev)); - device_release_driver(fwctx->dev); +done: + fwctx->done(fwctx->dev, ret, fw, NULL, 0); kfree(fwctx); } int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len), u16 domain_nr, u16 bus_nr) @@ -555,7 +554,7 @@ int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags, int brcmf_fw_get_firmwares(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len)) { diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h index d3c9f0d52ae3..8fa4b7e1ab3d 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h @@ -73,13 +73,13 @@ void brcmf_fw_nvram_free(void *nvram); */ int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len), u16 domain_nr, u16 bus_nr); int brcmf_fw_get_firmwares(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len)); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index 6fae4cf3f6ab..42c081d9fb9a 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -1650,16 +1650,23 @@ static const struct brcmf_buscore_ops brcmf_pcie_buscore_ops = { .write32 = brcmf_pcie_buscore_write32, }; -static void brcmf_pcie_setup(struct device *dev, const struct firmware *fw, +static void brcmf_pcie_setup(struct device *dev, int ret, + const struct firmware *fw, void *nvram, u32 nvram_len) { - struct brcmf_bus *bus = dev_get_drvdata(dev); - struct brcmf_pciedev *pcie_bus_dev = bus->bus_priv.pcie; - struct brcmf_pciedev_info *devinfo = pcie_bus_dev->devinfo; + struct brcmf_bus *bus; + struct brcmf_pciedev *pcie_bus_dev; + struct brcmf_pciedev_info *devinfo; struct brcmf_commonring **flowrings; - int ret; u32 i; + /* check firmware loading result */ + if (ret) + goto fail; + + bus = dev_get_drvdata(dev); + pcie_bus_dev = bus->bus_priv.pcie; + devinfo = pcie_bus_dev->devinfo; brcmf_pcie_attach(devinfo); /* Some of the firmwares have the size of the memory of the device diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 65689469c5a1..67bff5b8cd60 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -3976,21 +3976,26 @@ static const struct brcmf_bus_ops brcmf_sdio_bus_ops = { .get_memdump = brcmf_sdio_bus_get_memdump, }; -static void brcmf_sdio_firmware_callback(struct device *dev, +static void brcmf_sdio_firmware_callback(struct device *dev, int err, const struct firmware *code, void *nvram, u32 nvram_len) { - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio *bus = sdiodev->bus; - int err = 0; + struct brcmf_bus *bus_if; + struct brcmf_sdio_dev *sdiodev; + struct brcmf_sdio *bus; u8 saveclk; - brcmf_dbg(TRACE, "Enter: dev=%s\n", dev_name(dev)); + brcmf_dbg(TRACE, "Enter: dev=%s, err=%d\n", dev_name(dev), err); + bus_if = dev_get_drvdata(dev); + sdiodev = bus_if->bus_priv.sdio; + if (err) + goto fail; if (!bus_if->drvr) return; + bus = sdiodev->bus; + /* try to download image and nvram to the dongle */ bus->alp_only = true; err = brcmf_sdio_download_firmware(bus, code, nvram, nvram_len); @@ -4077,6 +4082,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, fail: brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), err); device_release_driver(dev); + device_release_driver(&sdiodev->func[2]->dev); } struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c index d93ebbdc7737..1242c3f05aad 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c @@ -1158,17 +1158,18 @@ static int brcmf_usb_bus_setup(struct brcmf_usbdev_info *devinfo) return ret; } -static void brcmf_usb_probe_phase2(struct device *dev, +static void brcmf_usb_probe_phase2(struct device *dev, int ret, const struct firmware *fw, void *nvram, u32 nvlen) { struct brcmf_bus *bus = dev_get_drvdata(dev); - struct brcmf_usbdev_info *devinfo; - int ret; + struct brcmf_usbdev_info *devinfo = bus->bus_priv.usb->devinfo; + + if (ret) + goto error; brcmf_dbg(USB, "Start fw downloading\n"); - devinfo = bus->bus_priv.usb->devinfo; ret = check_file(fw->data); if (ret < 0) { brcmf_err("invalid firmware\n"); diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 90b5b2efafbf..b4a8bb7759b2 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1015,7 +1015,7 @@ static int spi_transfer_one_message(struct spi_master *master, ret = 0; ms = 8LL * 1000LL * xfer->len; do_div(ms, xfer->speed_hz); - ms += ms + 100; /* some tolerance */ + ms += ms + 200; /* some tolerance */ if (ms > UINT_MAX) ms = UINT_MAX; diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index fd45b48480cb..86433ef7f953 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -1289,6 +1289,18 @@ iscsit_get_immediate_data(struct iscsi_cmd *cmd, struct iscsi_scsi_req *hdr, */ if (dump_payload) goto after_immediate_data; + /* + * Check for underflow case where both EDTL and immediate data payload + * exceeds what is presented by CDB's TRANSFER LENGTH, and what has + * already been set in target_cmd_size_check() as se_cmd->data_length. + * + * For this special case, fail the command and dump the immediate data + * payload. + */ + if (cmd->first_burst_len > cmd->se_cmd.data_length) { + cmd->sense_reason = TCM_INVALID_CDB_FIELD; + goto after_immediate_data; + } immed_ret = iscsit_handle_immediate_data(cmd, hdr, cmd->first_burst_len); @@ -4443,8 +4455,11 @@ static void iscsit_logout_post_handler_closesession( * always sleep waiting for RX/TX thread shutdown to complete * within iscsit_close_connection(). */ - if (!conn->conn_transport->rdma_shutdown) + if (!conn->conn_transport->rdma_shutdown) { sleep = cmpxchg(&conn->tx_thread_active, true, false); + if (!sleep) + return; + } atomic_set(&conn->conn_logout_remove, 0); complete(&conn->conn_logout_comp); @@ -4460,8 +4475,11 @@ static void iscsit_logout_post_handler_samecid( { int sleep = 1; - if (!conn->conn_transport->rdma_shutdown) + if (!conn->conn_transport->rdma_shutdown) { sleep = cmpxchg(&conn->tx_thread_active, true, false); + if (!sleep) + return; + } atomic_set(&conn->conn_logout_remove, 0); complete(&conn->conn_logout_comp); diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h index 9ab7090f7c83..0912de7c0cf8 100644 --- a/drivers/target/target_core_internal.h +++ b/drivers/target/target_core_internal.h @@ -136,7 +136,7 @@ int init_se_kmem_caches(void); void release_se_kmem_caches(void); u32 scsi_get_new_index(scsi_index_t); void transport_subsystem_check_init(void); -void transport_cmd_finish_abort(struct se_cmd *, int); +int transport_cmd_finish_abort(struct se_cmd *, int); unsigned char *transport_dump_cmd_direction(struct se_cmd *); void transport_dump_dev_state(struct se_device *, char *, int *); void transport_dump_dev_info(struct se_device *, struct se_lun *, diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index dce1e1b47316..13f47bf4d16b 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -75,7 +75,7 @@ void core_tmr_release_req(struct se_tmr_req *tmr) kfree(tmr); } -static void core_tmr_handle_tas_abort(struct se_cmd *cmd, int tas) +static int core_tmr_handle_tas_abort(struct se_cmd *cmd, int tas) { unsigned long flags; bool remove = true, send_tas; @@ -91,7 +91,7 @@ static void core_tmr_handle_tas_abort(struct se_cmd *cmd, int tas) transport_send_task_abort(cmd); } - transport_cmd_finish_abort(cmd, remove); + return transport_cmd_finish_abort(cmd, remove); } static int target_check_cdb_and_preempt(struct list_head *list, @@ -184,8 +184,8 @@ void core_tmr_abort_task( cancel_work_sync(&se_cmd->work); transport_wait_for_tasks(se_cmd); - transport_cmd_finish_abort(se_cmd, true); - target_put_sess_cmd(se_cmd); + if (!transport_cmd_finish_abort(se_cmd, true)) + target_put_sess_cmd(se_cmd); printk("ABORT_TASK: Sending TMR_FUNCTION_COMPLETE for" " ref_tag: %llu\n", ref_tag); @@ -281,8 +281,8 @@ static void core_tmr_drain_tmr_list( cancel_work_sync(&cmd->work); transport_wait_for_tasks(cmd); - transport_cmd_finish_abort(cmd, 1); - target_put_sess_cmd(cmd); + if (!transport_cmd_finish_abort(cmd, 1)) + target_put_sess_cmd(cmd); } } @@ -380,8 +380,8 @@ static void core_tmr_drain_state_list( cancel_work_sync(&cmd->work); transport_wait_for_tasks(cmd); - core_tmr_handle_tas_abort(cmd, tas); - target_put_sess_cmd(cmd); + if (!core_tmr_handle_tas_abort(cmd, tas)) + target_put_sess_cmd(cmd); } } diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index ff26626d94ef..690c790431dd 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -651,9 +651,10 @@ static void transport_lun_remove_cmd(struct se_cmd *cmd) percpu_ref_put(&lun->lun_ref); } -void transport_cmd_finish_abort(struct se_cmd *cmd, int remove) +int transport_cmd_finish_abort(struct se_cmd *cmd, int remove) { bool ack_kref = (cmd->se_cmd_flags & SCF_ACK_KREF); + int ret = 0; if (cmd->se_cmd_flags & SCF_SE_LUN_CMD) transport_lun_remove_cmd(cmd); @@ -665,9 +666,11 @@ void transport_cmd_finish_abort(struct se_cmd *cmd, int remove) cmd->se_tfo->aborted_task(cmd); if (transport_cmd_check_stop_to_fabric(cmd)) - return; + return 1; if (remove && ack_kref) - transport_put_cmd(cmd); + ret = transport_put_cmd(cmd); + + return ret; } static void target_complete_failure_work(struct work_struct *work) diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index a0085571824d..4c32c96f9c90 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -1859,12 +1859,12 @@ static int ffs_func_eps_enable(struct ffs_function *func) ep->ep->driver_data = ep; ep->ep->desc = ds; - comp_desc = (struct usb_ss_ep_comp_descriptor *)(ds + - USB_DT_ENDPOINT_SIZE); - ep->ep->maxburst = comp_desc->bMaxBurst + 1; - - if (needs_comp_desc) + if (needs_comp_desc) { + comp_desc = (struct usb_ss_ep_comp_descriptor *)(ds + + USB_DT_ENDPOINT_SIZE); + ep->ep->maxburst = comp_desc->bMaxBurst + 1; ep->ep->comp_desc = comp_desc; + } ret = usb_ep_enable(ep->ep); if (likely(!ret)) { diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c index 734cbf8d9676..dd9f1bebb5a3 100644 --- a/fs/autofs4/dev-ioctl.c +++ b/fs/autofs4/dev-ioctl.c @@ -344,7 +344,7 @@ static int autofs_dev_ioctl_fail(struct file *fp, int status; token = (autofs_wqt_t) param->fail.token; - status = param->fail.status ? param->fail.status : -ENOENT; + status = param->fail.status < 0 ? param->fail.status : -ENOENT; return autofs4_wait_release(sbi, token, status); } diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index 27bc360c7ffd..a723df3e0197 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -849,8 +849,13 @@ cifs_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, struct cifs_fid *fid, __u16 search_flags, struct cifs_search_info *srch_inf) { - return CIFSFindFirst(xid, tcon, path, cifs_sb, - &fid->netfid, search_flags, srch_inf, true); + int rc; + + rc = CIFSFindFirst(xid, tcon, path, cifs_sb, + &fid->netfid, search_flags, srch_inf, true); + if (rc) + cifs_dbg(FYI, "find first failed=%d\n", rc); + return rc; } static int diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index c58691834eb2..7e48561abd29 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -982,7 +982,7 @@ smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL); kfree(utf16_path); if (rc) { - cifs_dbg(VFS, "open dir failed\n"); + cifs_dbg(FYI, "open dir failed rc=%d\n", rc); return rc; } @@ -992,7 +992,7 @@ smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, rc = SMB2_query_directory(xid, tcon, fid->persistent_fid, fid->volatile_fid, 0, srch_inf); if (rc) { - cifs_dbg(VFS, "query directory failed\n"); + cifs_dbg(FYI, "query directory failed rc=%d\n", rc); SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); } return rc; @@ -1809,7 +1809,8 @@ crypt_message(struct TCP_Server_Info *server, struct smb_rqst *rqst, int enc) sg = init_sg(rqst, sign); if (!sg) { - cifs_dbg(VFS, "%s: Failed to init sg %d", __func__, rc); + cifs_dbg(VFS, "%s: Failed to init sg", __func__); + rc = -ENOMEM; goto free_req; } @@ -1817,6 +1818,7 @@ crypt_message(struct TCP_Server_Info *server, struct smb_rqst *rqst, int enc) iv = kzalloc(iv_len, GFP_KERNEL); if (!iv) { cifs_dbg(VFS, "%s: Failed to alloc IV", __func__); + rc = -ENOMEM; goto free_sg; } iv[0] = 3; diff --git a/fs/dax.c b/fs/dax.c index 285f4ab6f498..08a793c61580 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -875,6 +875,7 @@ int dax_writeback_mapping_range(struct address_space *mapping, if (ret < 0) return ret; } + start_index = indices[pvec.nr - 1] + 1; } return 0; } diff --git a/fs/exec.c b/fs/exec.c index 65145a3df065..ce0901e65c40 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -220,8 +220,26 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos, if (write) { unsigned long size = bprm->vma->vm_end - bprm->vma->vm_start; + unsigned long ptr_size; struct rlimit *rlim; + /* + * Since the stack will hold pointers to the strings, we + * must account for them as well. + * + * The size calculation is the entire vma while each arg page is + * built, so each time we get here it's calculating how far it + * is currently (rather than each call being just the newly + * added size from the arg page). As a result, we need to + * always add the entire size of the pointers, so that on the + * last call to get_arg_page() we'll actually have the entire + * correct size. + */ + ptr_size = (bprm->argc + bprm->envc) * sizeof(void *); + if (ptr_size > ULONG_MAX - size) + goto fail; + size += ptr_size; + acct_arg_size(bprm, size / PAGE_SIZE); /* @@ -239,13 +257,15 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos, * to work from. */ rlim = current->signal->rlim; - if (size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur) / 4) { - put_page(page); - return NULL; - } + if (size > READ_ONCE(rlim[RLIMIT_STACK].rlim_cur) / 4) + goto fail; } return page; + +fail: + put_page(page); + return NULL; } static void put_arg_page(struct page *page) diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index ef0ae8aaa567..94f18da4be87 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -209,7 +209,8 @@ struct acpi_device_flags { u32 of_compatible_ok:1; u32 coherent_dma:1; u32 cca_seen:1; - u32 reserved:20; + u32 spi_i2c_slave:1; + u32 reserved:19; }; /* File System */ diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h index be378cf47fcc..b3044c2c62cb 100644 --- a/include/linux/netfilter/x_tables.h +++ b/include/linux/netfilter/x_tables.h @@ -294,7 +294,7 @@ int xt_match_to_user(const struct xt_entry_match *m, int xt_target_to_user(const struct xt_entry_target *t, struct xt_entry_target __user *u); int xt_data_to_user(void __user *dst, const void *src, - int usersize, int size); + int usersize, int size, int aligned_size); void *xt_copy_counters_from_user(const void __user *user, unsigned int len, struct xt_counters_info *info, bool compat); diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h index 110f4532188c..f7043ccca81c 100644 --- a/include/linux/timekeeper_internal.h +++ b/include/linux/timekeeper_internal.h @@ -29,7 +29,6 @@ */ struct tk_read_base { struct clocksource *clock; - u64 (*read)(struct clocksource *cs); u64 mask; u64 cycle_last; u32 mult; @@ -58,7 +57,7 @@ struct tk_read_base { * interval. * @xtime_remainder: Shifted nano seconds left over when rounding * @cycle_interval - * @raw_interval: Raw nano seconds accumulated per NTP interval. + * @raw_interval: Shifted raw nano seconds accumulated per NTP interval. * @ntp_error: Difference between accumulated time and NTP time in ntp * shifted nano seconds. * @ntp_error_shift: Shift conversion between clock shifted nano seconds and @@ -100,7 +99,7 @@ struct timekeeper { u64 cycle_interval; u64 xtime_interval; s64 xtime_remainder; - u32 raw_interval; + u64 raw_interval; /* The ntp_tick_length() value currently being used. * This cached copy ensures we consistently apply the tick * length for an entire tick, as ntp_tick_length may change diff --git a/kernel/signal.c b/kernel/signal.c index 7e59ebc2c25e..e75e9601817e 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -510,7 +510,8 @@ int unhandled_signal(struct task_struct *tsk, int sig) return !tsk->ptrace; } -static void collect_signal(int sig, struct sigpending *list, siginfo_t *info) +static void collect_signal(int sig, struct sigpending *list, siginfo_t *info, + bool *resched_timer) { struct sigqueue *q, *first = NULL; @@ -532,6 +533,12 @@ static void collect_signal(int sig, struct sigpending *list, siginfo_t *info) still_pending: list_del_init(&first->list); copy_siginfo(info, &first->info); + + *resched_timer = + (first->flags & SIGQUEUE_PREALLOC) && + (info->si_code == SI_TIMER) && + (info->si_sys_private); + __sigqueue_free(first); } else { /* @@ -548,12 +555,12 @@ static void collect_signal(int sig, struct sigpending *list, siginfo_t *info) } static int __dequeue_signal(struct sigpending *pending, sigset_t *mask, - siginfo_t *info) + siginfo_t *info, bool *resched_timer) { int sig = next_signal(pending, mask); if (sig) - collect_signal(sig, pending, info); + collect_signal(sig, pending, info, resched_timer); return sig; } @@ -565,15 +572,16 @@ static int __dequeue_signal(struct sigpending *pending, sigset_t *mask, */ int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info) { + bool resched_timer = false; int signr; /* We only dequeue private signals from ourselves, we don't let * signalfd steal them */ - signr = __dequeue_signal(&tsk->pending, mask, info); + signr = __dequeue_signal(&tsk->pending, mask, info, &resched_timer); if (!signr) { signr = __dequeue_signal(&tsk->signal->shared_pending, - mask, info); + mask, info, &resched_timer); #ifdef CONFIG_POSIX_TIMERS /* * itimer signal ? @@ -621,7 +629,7 @@ int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info) current->jobctl |= JOBCTL_STOP_DEQUEUED; } #ifdef CONFIG_POSIX_TIMERS - if ((info->si_code & __SI_MASK) == __SI_TIMER && info->si_sys_private) { + if (resched_timer) { /* * Release the siglock to ensure proper locking order * of timer locks outside of siglocks. Note, we leave diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 5b63a2102c29..0eaf309aae63 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -118,6 +118,26 @@ static inline void tk_update_sleep_time(struct timekeeper *tk, ktime_t delta) tk->offs_boot = ktime_add(tk->offs_boot, delta); } +/* + * tk_clock_read - atomic clocksource read() helper + * + * This helper is necessary to use in the read paths because, while the + * seqlock ensures we don't return a bad value while structures are updated, + * it doesn't protect from potential crashes. There is the possibility that + * the tkr's clocksource may change between the read reference, and the + * clock reference passed to the read function. This can cause crashes if + * the wrong clocksource is passed to the wrong read function. + * This isn't necessary to use when holding the timekeeper_lock or doing + * a read of the fast-timekeeper tkrs (which is protected by its own locking + * and update logic). + */ +static inline u64 tk_clock_read(struct tk_read_base *tkr) +{ + struct clocksource *clock = READ_ONCE(tkr->clock); + + return clock->read(clock); +} + #ifdef CONFIG_DEBUG_TIMEKEEPING #define WARNING_FREQ (HZ*300) /* 5 minute rate-limiting */ @@ -175,7 +195,7 @@ static inline u64 timekeeping_get_delta(struct tk_read_base *tkr) */ do { seq = read_seqcount_begin(&tk_core.seq); - now = tkr->read(tkr->clock); + now = tk_clock_read(tkr); last = tkr->cycle_last; mask = tkr->mask; max = tkr->clock->max_cycles; @@ -209,7 +229,7 @@ static inline u64 timekeeping_get_delta(struct tk_read_base *tkr) u64 cycle_now, delta; /* read clocksource */ - cycle_now = tkr->read(tkr->clock); + cycle_now = tk_clock_read(tkr); /* calculate the delta since the last update_wall_time */ delta = clocksource_delta(cycle_now, tkr->cycle_last, tkr->mask); @@ -238,12 +258,10 @@ static void tk_setup_internals(struct timekeeper *tk, struct clocksource *clock) ++tk->cs_was_changed_seq; old_clock = tk->tkr_mono.clock; tk->tkr_mono.clock = clock; - tk->tkr_mono.read = clock->read; tk->tkr_mono.mask = clock->mask; - tk->tkr_mono.cycle_last = tk->tkr_mono.read(clock); + tk->tkr_mono.cycle_last = tk_clock_read(&tk->tkr_mono); tk->tkr_raw.clock = clock; - tk->tkr_raw.read = clock->read; tk->tkr_raw.mask = clock->mask; tk->tkr_raw.cycle_last = tk->tkr_mono.cycle_last; @@ -262,7 +280,7 @@ static void tk_setup_internals(struct timekeeper *tk, struct clocksource *clock) /* Go back from cycles -> shifted ns */ tk->xtime_interval = interval * clock->mult; tk->xtime_remainder = ntpinterval - tk->xtime_interval; - tk->raw_interval = (interval * clock->mult) >> clock->shift; + tk->raw_interval = interval * clock->mult; /* if changing clocks, convert xtime_nsec shift units */ if (old_clock) { @@ -404,7 +422,7 @@ static __always_inline u64 __ktime_get_fast_ns(struct tk_fast *tkf) now += timekeeping_delta_to_ns(tkr, clocksource_delta( - tkr->read(tkr->clock), + tk_clock_read(tkr), tkr->cycle_last, tkr->mask)); } while (read_seqcount_retry(&tkf->seq, seq)); @@ -461,6 +479,10 @@ static u64 dummy_clock_read(struct clocksource *cs) return cycles_at_suspend; } +static struct clocksource dummy_clock = { + .read = dummy_clock_read, +}; + /** * halt_fast_timekeeper - Prevent fast timekeeper from accessing clocksource. * @tk: Timekeeper to snapshot. @@ -477,13 +499,13 @@ static void halt_fast_timekeeper(struct timekeeper *tk) struct tk_read_base *tkr = &tk->tkr_mono; memcpy(&tkr_dummy, tkr, sizeof(tkr_dummy)); - cycles_at_suspend = tkr->read(tkr->clock); - tkr_dummy.read = dummy_clock_read; + cycles_at_suspend = tk_clock_read(tkr); + tkr_dummy.clock = &dummy_clock; update_fast_timekeeper(&tkr_dummy, &tk_fast_mono); tkr = &tk->tkr_raw; memcpy(&tkr_dummy, tkr, sizeof(tkr_dummy)); - tkr_dummy.read = dummy_clock_read; + tkr_dummy.clock = &dummy_clock; update_fast_timekeeper(&tkr_dummy, &tk_fast_raw); } @@ -649,11 +671,10 @@ static void timekeeping_update(struct timekeeper *tk, unsigned int action) */ static void timekeeping_forward_now(struct timekeeper *tk) { - struct clocksource *clock = tk->tkr_mono.clock; u64 cycle_now, delta; u64 nsec; - cycle_now = tk->tkr_mono.read(clock); + cycle_now = tk_clock_read(&tk->tkr_mono); delta = clocksource_delta(cycle_now, tk->tkr_mono.cycle_last, tk->tkr_mono.mask); tk->tkr_mono.cycle_last = cycle_now; tk->tkr_raw.cycle_last = cycle_now; @@ -929,8 +950,7 @@ void ktime_get_snapshot(struct system_time_snapshot *systime_snapshot) do { seq = read_seqcount_begin(&tk_core.seq); - - now = tk->tkr_mono.read(tk->tkr_mono.clock); + now = tk_clock_read(&tk->tkr_mono); systime_snapshot->cs_was_changed_seq = tk->cs_was_changed_seq; systime_snapshot->clock_was_set_seq = tk->clock_was_set_seq; base_real = ktime_add(tk->tkr_mono.base, @@ -1109,7 +1129,7 @@ int get_device_system_crosststamp(int (*get_time_fn) * Check whether the system counter value provided by the * device driver is on the current timekeeping interval. */ - now = tk->tkr_mono.read(tk->tkr_mono.clock); + now = tk_clock_read(&tk->tkr_mono); interval_start = tk->tkr_mono.cycle_last; if (!cycle_between(interval_start, cycles, now)) { clock_was_set_seq = tk->clock_was_set_seq; @@ -1630,7 +1650,7 @@ void timekeeping_resume(void) * The less preferred source will only be tried if there is no better * usable source. The rtc part is handled separately in rtc core code. */ - cycle_now = tk->tkr_mono.read(clock); + cycle_now = tk_clock_read(&tk->tkr_mono); if ((clock->flags & CLOCK_SOURCE_SUSPEND_NONSTOP) && cycle_now > tk->tkr_mono.cycle_last) { u64 nsec, cyc_delta; @@ -1977,7 +1997,7 @@ static u64 logarithmic_accumulation(struct timekeeper *tk, u64 offset, u32 shift, unsigned int *clock_set) { u64 interval = tk->cycle_interval << shift; - u64 raw_nsecs; + u64 snsec_per_sec; /* If the offset is smaller than a shifted interval, do nothing */ if (offset < interval) @@ -1992,14 +2012,15 @@ static u64 logarithmic_accumulation(struct timekeeper *tk, u64 offset, *clock_set |= accumulate_nsecs_to_secs(tk); /* Accumulate raw time */ - raw_nsecs = (u64)tk->raw_interval << shift; - raw_nsecs += tk->raw_time.tv_nsec; - if (raw_nsecs >= NSEC_PER_SEC) { - u64 raw_secs = raw_nsecs; - raw_nsecs = do_div(raw_secs, NSEC_PER_SEC); - tk->raw_time.tv_sec += raw_secs; + tk->tkr_raw.xtime_nsec += (u64)tk->raw_time.tv_nsec << tk->tkr_raw.shift; + tk->tkr_raw.xtime_nsec += tk->raw_interval << shift; + snsec_per_sec = (u64)NSEC_PER_SEC << tk->tkr_raw.shift; + while (tk->tkr_raw.xtime_nsec >= snsec_per_sec) { + tk->tkr_raw.xtime_nsec -= snsec_per_sec; + tk->raw_time.tv_sec++; } - tk->raw_time.tv_nsec = raw_nsecs; + tk->raw_time.tv_nsec = tk->tkr_raw.xtime_nsec >> tk->tkr_raw.shift; + tk->tkr_raw.xtime_nsec -= (u64)tk->raw_time.tv_nsec << tk->tkr_raw.shift; /* Accumulate error between NTP and clock interval */ tk->ntp_error += tk->ntp_tick << shift; @@ -2031,7 +2052,7 @@ void update_wall_time(void) #ifdef CONFIG_ARCH_USES_GETTIMEOFFSET offset = real_tk->cycle_interval; #else - offset = clocksource_delta(tk->tkr_mono.read(tk->tkr_mono.clock), + offset = clocksource_delta(tk_clock_read(&tk->tkr_mono), tk->tkr_mono.cycle_last, tk->tkr_mono.mask); #endif diff --git a/lib/cmdline.c b/lib/cmdline.c index 8f13cf73c2ec..79069d7938ea 100644 --- a/lib/cmdline.c +++ b/lib/cmdline.c @@ -22,14 +22,14 @@ * the values[M, M+1, ..., N] into the ints array in get_options. */ -static int get_range(char **str, int *pint) +static int get_range(char **str, int *pint, int n) { int x, inc_counter, upper_range; (*str)++; upper_range = simple_strtol((*str), NULL, 0); inc_counter = upper_range - *pint; - for (x = *pint; x < upper_range; x++) + for (x = *pint; n && x < upper_range; x++, n--) *pint++ = x; return inc_counter; } @@ -96,7 +96,7 @@ char *get_options(const char *str, int nints, int *ints) break; if (res == 3) { int range_nums; - range_nums = get_range((char **)&str, ints + i); + range_nums = get_range((char **)&str, ints + i, nints - i); if (range_nums < 0) break; /* diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index 79b69917f521..656c259bcc14 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -1358,7 +1358,8 @@ static inline int ebt_obj_to_user(char __user *um, const char *_name, strlcpy(name, _name, sizeof(name)); if (copy_to_user(um, name, EBT_FUNCTION_MAXNAMELEN) || put_user(datasize, (int __user *)(um + EBT_FUNCTION_MAXNAMELEN)) || - xt_data_to_user(um + entrysize, data, usersize, datasize)) + xt_data_to_user(um + entrysize, data, usersize, datasize, + XT_ALIGN(datasize))) return -EFAULT; return 0; @@ -1643,7 +1644,8 @@ static int compat_match_to_user(struct ebt_entry_match *m, void __user **dstptr, if (match->compat_to_user(cm->data, m->data)) return -EFAULT; } else { - if (xt_data_to_user(cm->data, m->data, match->usersize, msize)) + if (xt_data_to_user(cm->data, m->data, match->usersize, msize, + COMPAT_XT_ALIGN(msize))) return -EFAULT; } @@ -1672,7 +1674,8 @@ static int compat_target_to_user(struct ebt_entry_target *t, if (target->compat_to_user(cm->data, t->data)) return -EFAULT; } else { - if (xt_data_to_user(cm->data, t->data, target->usersize, tsize)) + if (xt_data_to_user(cm->data, t->data, target->usersize, tsize, + COMPAT_XT_ALIGN(tsize))) return -EFAULT; } diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index 14857afc9937..32488c09cfb9 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -283,28 +283,30 @@ static int xt_obj_to_user(u16 __user *psize, u16 size, &U->u.user.revision, K->u.kernel.TYPE->revision) int xt_data_to_user(void __user *dst, const void *src, - int usersize, int size) + int usersize, int size, int aligned_size) { usersize = usersize ? : size; if (copy_to_user(dst, src, usersize)) return -EFAULT; - if (usersize != size && clear_user(dst + usersize, size - usersize)) + if (usersize != aligned_size && + clear_user(dst + usersize, aligned_size - usersize)) return -EFAULT; return 0; } EXPORT_SYMBOL_GPL(xt_data_to_user); -#define XT_DATA_TO_USER(U, K, TYPE, C_SIZE) \ +#define XT_DATA_TO_USER(U, K, TYPE) \ xt_data_to_user(U->data, K->data, \ K->u.kernel.TYPE->usersize, \ - C_SIZE ? : K->u.kernel.TYPE->TYPE##size) + K->u.kernel.TYPE->TYPE##size, \ + XT_ALIGN(K->u.kernel.TYPE->TYPE##size)) int xt_match_to_user(const struct xt_entry_match *m, struct xt_entry_match __user *u) { return XT_OBJ_TO_USER(u, m, match, 0) || - XT_DATA_TO_USER(u, m, match, 0); + XT_DATA_TO_USER(u, m, match); } EXPORT_SYMBOL_GPL(xt_match_to_user); @@ -312,7 +314,7 @@ int xt_target_to_user(const struct xt_entry_target *t, struct xt_entry_target __user *u) { return XT_OBJ_TO_USER(u, t, target, 0) || - XT_DATA_TO_USER(u, t, target, 0); + XT_DATA_TO_USER(u, t, target); } EXPORT_SYMBOL_GPL(xt_target_to_user); @@ -611,6 +613,12 @@ void xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr, } EXPORT_SYMBOL_GPL(xt_compat_match_from_user); +#define COMPAT_XT_DATA_TO_USER(U, K, TYPE, C_SIZE) \ + xt_data_to_user(U->data, K->data, \ + K->u.kernel.TYPE->usersize, \ + C_SIZE, \ + COMPAT_XT_ALIGN(C_SIZE)) + int xt_compat_match_to_user(const struct xt_entry_match *m, void __user **dstptr, unsigned int *size) { @@ -626,7 +634,7 @@ int xt_compat_match_to_user(const struct xt_entry_match *m, if (match->compat_to_user((void __user *)cm->data, m->data)) return -EFAULT; } else { - if (XT_DATA_TO_USER(cm, m, match, msize - sizeof(*cm))) + if (COMPAT_XT_DATA_TO_USER(cm, m, match, msize - sizeof(*cm))) return -EFAULT; } @@ -981,7 +989,7 @@ int xt_compat_target_to_user(const struct xt_entry_target *t, if (target->compat_to_user((void __user *)ct->data, t->data)) return -EFAULT; } else { - if (XT_DATA_TO_USER(ct, t, target, tsize - sizeof(*ct))) + if (COMPAT_XT_DATA_TO_USER(ct, t, target, tsize - sizeof(*ct))) return -EFAULT; } diff --git a/net/rxrpc/key.c b/net/rxrpc/key.c index 0a4e28477ad9..54369225766e 100644 --- a/net/rxrpc/key.c +++ b/net/rxrpc/key.c @@ -217,7 +217,7 @@ static int rxrpc_krb5_decode_principal(struct krb5_principal *princ, unsigned int *_toklen) { const __be32 *xdr = *_xdr; - unsigned int toklen = *_toklen, n_parts, loop, tmp; + unsigned int toklen = *_toklen, n_parts, loop, tmp, paddedlen; /* there must be at least one name, and at least #names+1 length * words */ @@ -247,16 +247,16 @@ static int rxrpc_krb5_decode_principal(struct krb5_principal *princ, toklen -= 4; if (tmp <= 0 || tmp > AFSTOKEN_STRING_MAX) return -EINVAL; - if (tmp > toklen) + paddedlen = (tmp + 3) & ~3; + if (paddedlen > toklen) return -EINVAL; princ->name_parts[loop] = kmalloc(tmp + 1, GFP_KERNEL); if (!princ->name_parts[loop]) return -ENOMEM; memcpy(princ->name_parts[loop], xdr, tmp); princ->name_parts[loop][tmp] = 0; - tmp = (tmp + 3) & ~3; - toklen -= tmp; - xdr += tmp >> 2; + toklen -= paddedlen; + xdr += paddedlen >> 2; } if (toklen < 4) @@ -265,16 +265,16 @@ static int rxrpc_krb5_decode_principal(struct krb5_principal *princ, toklen -= 4; if (tmp <= 0 || tmp > AFSTOKEN_K5_REALM_MAX) return -EINVAL; - if (tmp > toklen) + paddedlen = (tmp + 3) & ~3; + if (paddedlen > toklen) return -EINVAL; princ->realm = kmalloc(tmp + 1, GFP_KERNEL); if (!princ->realm) return -ENOMEM; memcpy(princ->realm, xdr, tmp); princ->realm[tmp] = 0; - tmp = (tmp + 3) & ~3; - toklen -= tmp; - xdr += tmp >> 2; + toklen -= paddedlen; + xdr += paddedlen >> 2; _debug("%s/...@%s", princ->name_parts[0], princ->realm); @@ -293,7 +293,7 @@ static int rxrpc_krb5_decode_tagged_data(struct krb5_tagged_data *td, unsigned int *_toklen) { const __be32 *xdr = *_xdr; - unsigned int toklen = *_toklen, len; + unsigned int toklen = *_toklen, len, paddedlen; /* there must be at least one tag and one length word */ if (toklen <= 8) @@ -307,15 +307,17 @@ static int rxrpc_krb5_decode_tagged_data(struct krb5_tagged_data *td, toklen -= 8; if (len > max_data_size) return -EINVAL; + paddedlen = (len + 3) & ~3; + if (paddedlen > toklen) + return -EINVAL; td->data_len = len; if (len > 0) { td->data = kmemdup(xdr, len, GFP_KERNEL); if (!td->data) return -ENOMEM; - len = (len + 3) & ~3; - toklen -= len; - xdr += len >> 2; + toklen -= paddedlen; + xdr += paddedlen >> 2; } _debug("tag %x len %x", td->tag, td->data_len); @@ -387,7 +389,7 @@ static int rxrpc_krb5_decode_ticket(u8 **_ticket, u16 *_tktlen, const __be32 **_xdr, unsigned int *_toklen) { const __be32 *xdr = *_xdr; - unsigned int toklen = *_toklen, len; + unsigned int toklen = *_toklen, len, paddedlen; /* there must be at least one length word */ if (toklen <= 4) @@ -399,6 +401,9 @@ static int rxrpc_krb5_decode_ticket(u8 **_ticket, u16 *_tktlen, toklen -= 4; if (len > AFSTOKEN_K5_TIX_MAX) return -EINVAL; + paddedlen = (len + 3) & ~3; + if (paddedlen > toklen) + return -EINVAL; *_tktlen = len; _debug("ticket len %u", len); @@ -407,9 +412,8 @@ static int rxrpc_krb5_decode_ticket(u8 **_ticket, u16 *_tktlen, *_ticket = kmemdup(xdr, len, GFP_KERNEL); if (!*_ticket) return -ENOMEM; - len = (len + 3) & ~3; - toklen -= len; - xdr += len >> 2; + toklen -= paddedlen; + xdr += paddedlen >> 2; } *_xdr = xdr; @@ -552,7 +556,7 @@ static int rxrpc_preparse_xdr(struct key_preparsed_payload *prep) { const __be32 *xdr = prep->data, *token; const char *cp; - unsigned int len, tmp, loop, ntoken, toklen, sec_ix; + unsigned int len, paddedlen, loop, ntoken, toklen, sec_ix; size_t datalen = prep->datalen; int ret; @@ -578,22 +582,21 @@ static int rxrpc_preparse_xdr(struct key_preparsed_payload *prep) if (len < 1 || len > AFSTOKEN_CELL_MAX) goto not_xdr; datalen -= 4; - tmp = (len + 3) & ~3; - if (tmp > datalen) + paddedlen = (len + 3) & ~3; + if (paddedlen > datalen) goto not_xdr; cp = (const char *) xdr; for (loop = 0; loop < len; loop++) if (!isprint(cp[loop])) goto not_xdr; - if (len < tmp) - for (; loop < tmp; loop++) - if (cp[loop]) - goto not_xdr; + for (; loop < paddedlen; loop++) + if (cp[loop]) + goto not_xdr; _debug("cellname: [%u/%u] '%*.*s'", - len, tmp, len, len, (const char *) xdr); - datalen -= tmp; - xdr += tmp >> 2; + len, paddedlen, len, len, (const char *) xdr); + datalen -= paddedlen; + xdr += paddedlen >> 2; /* get the token count */ if (datalen < 12) @@ -614,10 +617,11 @@ static int rxrpc_preparse_xdr(struct key_preparsed_payload *prep) sec_ix = ntohl(*xdr); datalen -= 4; _debug("token: [%x/%zx] %x", toklen, datalen, sec_ix); - if (toklen < 20 || toklen > datalen) + paddedlen = (toklen + 3) & ~3; + if (toklen < 20 || toklen > datalen || paddedlen > datalen) goto not_xdr; - datalen -= (toklen + 3) & ~3; - xdr += (toklen + 3) >> 2; + datalen -= paddedlen; + xdr += paddedlen >> 2; } while (--loop > 0); diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 5088d4b8db22..009e6c98754e 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -2492,7 +2492,7 @@ static int pcm_chmap_ctl_get(struct snd_kcontrol *kcontrol, struct snd_pcm_substream *substream; const struct snd_pcm_chmap_elem *map; - if (snd_BUG_ON(!info->chmap)) + if (!info->chmap) return -EINVAL; substream = snd_pcm_chmap_substream(info, idx); if (!substream) @@ -2524,7 +2524,7 @@ static int pcm_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag, unsigned int __user *dst; int c, count = 0; - if (snd_BUG_ON(!info->chmap)) + if (!info->chmap) return -EINVAL; if (size < 8) return -ENOMEM; diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c index 00060c4a9deb..9741757436be 100644 --- a/sound/firewire/amdtp-stream.c +++ b/sound/firewire/amdtp-stream.c @@ -606,7 +606,9 @@ static void out_stream_callback(struct fw_iso_context *context, u32 tstamp, cycle = increment_cycle_count(cycle, 1); if (handle_out_packet(s, cycle, i) < 0) { s->packet_index = -1; - amdtp_stream_pcm_abort(s); + if (in_interrupt()) + amdtp_stream_pcm_abort(s); + WRITE_ONCE(s->pcm_buffer_pointer, SNDRV_PCM_POS_XRUN); return; } } @@ -658,7 +660,9 @@ static void in_stream_callback(struct fw_iso_context *context, u32 tstamp, /* Queueing error or detecting invalid payload. */ if (i < packets) { s->packet_index = -1; - amdtp_stream_pcm_abort(s); + if (in_interrupt()) + amdtp_stream_pcm_abort(s); + WRITE_ONCE(s->pcm_buffer_pointer, SNDRV_PCM_POS_XRUN); return; } diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h index c1bc7fad056e..f7c054bc9d92 100644 --- a/sound/firewire/amdtp-stream.h +++ b/sound/firewire/amdtp-stream.h @@ -124,7 +124,7 @@ struct amdtp_stream { /* For a PCM substream processing. */ struct snd_pcm_substream *pcm; struct tasklet_struct period_tasklet; - unsigned int pcm_buffer_pointer; + snd_pcm_uframes_t pcm_buffer_pointer; unsigned int pcm_period_pointer; /* To wait for first packet. */ diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 23d685636a67..69097cc96660 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -369,10 +369,12 @@ enum { #define IS_KBL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d71) #define IS_KBL_H(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa2f0) #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98) +#define IS_BXT_T(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x1a98) #define IS_GLK(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x3198) -#define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci)) || \ - IS_KBL(pci) || IS_KBL_LP(pci) || IS_KBL_H(pci) || \ - IS_GLK(pci) +#define IS_CFL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa348) +#define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci) || \ + IS_BXT_T(pci) || IS_KBL(pci) || IS_KBL_LP(pci) || \ + IS_KBL_H(pci) || IS_GLK(pci) || IS_CFL(pci)) static char *driver_short_names[] = { [AZX_DRIVER_ICH] = "HDA Intel", @@ -2251,6 +2253,9 @@ static const struct pci_device_id azx_ids[] = { /* Kabylake-H */ { PCI_DEVICE(0x8086, 0xa2f0), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE }, + /* Coffelake */ + { PCI_DEVICE(0x8086, 0xa348), + .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE}, /* Broxton-P(Apollolake) */ { PCI_DEVICE(0x8086, 0x5a98), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON }, diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 28fb62c32678..e0f9e6a20556 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -615,7 +615,7 @@ static int post_process_probe_trace_point(struct probe_trace_point *tp, struct map *map, unsigned long offs) { struct symbol *sym; - u64 addr = tp->address + tp->offset - offs; + u64 addr = tp->address - offs; sym = map__find_symbol(map, addr); if (!sym)