diff options
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/cpuidle.c | 2 | ||||
| -rw-r--r-- | arch/arm64/kernel/entry.S | 4 | ||||
| -rw-r--r-- | arch/arm64/kernel/entry32.S | 2 | ||||
| -rw-r--r-- | arch/arm64/kernel/hw_breakpoint.c | 1 | ||||
| -rw-r--r-- | arch/arm64/kernel/perf_event.c | 6 | ||||
| -rw-r--r-- | arch/arm64/kernel/smp.c | 14 | ||||
| -rw-r--r-- | arch/arm64/kernel/traps.c | 2 |
7 files changed, 15 insertions, 16 deletions
diff --git a/arch/arm64/kernel/cpuidle.c b/arch/arm64/kernel/cpuidle.c index 7ce589ca54a4..9047cab68fd3 100644 --- a/arch/arm64/kernel/cpuidle.c +++ b/arch/arm64/kernel/cpuidle.c @@ -15,7 +15,7 @@ #include <asm/cpuidle.h> #include <asm/cpu_ops.h> -int arm_cpuidle_init(unsigned int cpu) +int __init arm_cpuidle_init(unsigned int cpu) { int ret = -EOPNOTSUPP; diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index a7691a378668..f860bfda454a 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -352,8 +352,8 @@ el1_inv: // TODO: add support for undefined instructions in kernel mode enable_dbg mov x0, sp + mov x2, x1 mov x1, #BAD_SYNC - mrs x2, esr_el1 b bad_mode ENDPROC(el1_sync) @@ -553,7 +553,7 @@ el0_inv: ct_user_exit mov x0, sp mov x1, #BAD_SYNC - mrs x2, esr_el1 + mov x2, x25 bl bad_mode b ret_to_user ENDPROC(el0_sync) diff --git a/arch/arm64/kernel/entry32.S b/arch/arm64/kernel/entry32.S index bd9bfaa9269b..f332d5d1f6b4 100644 --- a/arch/arm64/kernel/entry32.S +++ b/arch/arm64/kernel/entry32.S @@ -32,13 +32,11 @@ ENTRY(compat_sys_sigreturn_wrapper) mov x0, sp - mov x27, #0 // prevent syscall restart handling (why) b compat_sys_sigreturn ENDPROC(compat_sys_sigreturn_wrapper) ENTRY(compat_sys_rt_sigreturn_wrapper) mov x0, sp - mov x27, #0 // prevent syscall restart handling (why) b compat_sys_rt_sigreturn ENDPROC(compat_sys_rt_sigreturn_wrapper) diff --git a/arch/arm64/kernel/hw_breakpoint.c b/arch/arm64/kernel/hw_breakpoint.c index e7d934d3afe0..7a1a5da6c8c1 100644 --- a/arch/arm64/kernel/hw_breakpoint.c +++ b/arch/arm64/kernel/hw_breakpoint.c @@ -31,7 +31,6 @@ #include <asm/current.h> #include <asm/debug-monitors.h> #include <asm/hw_breakpoint.h> -#include <asm/kdebug.h> #include <asm/traps.h> #include <asm/cputype.h> #include <asm/system_misc.h> diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index 702591f6180a..b31e9a4b6275 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -1318,7 +1318,7 @@ static int armpmu_device_probe(struct platform_device *pdev) /* Don't bother with PPIs; they're already affine */ irq = platform_get_irq(pdev, 0); if (irq >= 0 && irq_is_percpu(irq)) - return 0; + goto out; irqs = kcalloc(pdev->num_resources, sizeof(*irqs), GFP_KERNEL); if (!irqs) @@ -1340,12 +1340,13 @@ static int armpmu_device_probe(struct platform_device *pdev) if (arch_find_n_match_cpu_physical_id(dn, cpu, NULL)) break; - of_node_put(dn); if (cpu >= nr_cpu_ids) { pr_warn("Failed to find logical CPU for %s\n", dn->name); + of_node_put(dn); break; } + of_node_put(dn); irqs[i] = cpu; } @@ -1355,6 +1356,7 @@ static int armpmu_device_probe(struct platform_device *pdev) else kfree(irqs); +out: cpu_pmu->plat_device = pdev; return 0; } diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 4b2121bd7f9c..50fb4696654e 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -396,13 +396,13 @@ acpi_map_gic_cpu_interface(struct acpi_madt_generic_interrupt *processor) { u64 hwid = processor->arm_mpidr; - if (hwid & ~MPIDR_HWID_BITMASK || hwid == INVALID_HWID) { - pr_err("skipping CPU entry with invalid MPIDR 0x%llx\n", hwid); + if (!(processor->flags & ACPI_MADT_ENABLED)) { + pr_debug("skipping disabled CPU entry with 0x%llx MPIDR\n", hwid); return; } - if (!(processor->flags & ACPI_MADT_ENABLED)) { - pr_err("skipping disabled CPU entry with 0x%llx MPIDR\n", hwid); + if (hwid & ~MPIDR_HWID_BITMASK || hwid == INVALID_HWID) { + pr_err("skipping CPU entry with invalid MPIDR 0x%llx\n", hwid); return; } @@ -438,7 +438,7 @@ acpi_parse_gic_cpu_interface(struct acpi_subtable_header *header, struct acpi_madt_generic_interrupt *processor; processor = (struct acpi_madt_generic_interrupt *)header; - if (BAD_MADT_ENTRY(processor, end)) + if (BAD_MADT_GICC_ENTRY(processor, end)) return -EINVAL; acpi_table_print_madt_entry(header); @@ -693,7 +693,7 @@ void handle_IPI(int ipinr, struct pt_regs *regs) struct pt_regs *old_regs = set_irq_regs(regs); if ((unsigned)ipinr < NR_IPI) { - trace_ipi_entry(ipi_types[ipinr]); + trace_ipi_entry_rcuidle(ipi_types[ipinr]); __inc_irq_stat(cpu, ipi_irqs[ipinr]); } @@ -736,7 +736,7 @@ void handle_IPI(int ipinr, struct pt_regs *regs) } if ((unsigned)ipinr < NR_IPI) - trace_ipi_exit(ipi_types[ipinr]); + trace_ipi_exit_rcuidle(ipi_types[ipinr]); set_irq_regs(old_regs); } diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index a12251c074a8..566bc4c35040 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -335,7 +335,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs) if (call_undef_hook(regs) == 0) return; - if (show_unhandled_signals_ratelimited() && unhandled_signal(current, SIGILL)) { + if (unhandled_signal(current, SIGILL) && show_unhandled_signals_ratelimited()) { pr_info("%s[%d]: undefined instruction: pc=%p\n", current->comm, task_pid_nr(current), pc); dump_instr(KERN_INFO, regs); |