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-rw-r--r--arch/arm64/kernel/cpuidle.c2
-rw-r--r--arch/arm64/kernel/hw_breakpoint.c1
-rw-r--r--arch/arm64/kernel/perf_event.c6
-rw-r--r--arch/arm64/kernel/setup.c2
-rw-r--r--arch/arm64/kernel/smp.c12
-rw-r--r--arch/arm64/kernel/traps.c2
6 files changed, 14 insertions, 11 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/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/setup.c b/arch/arm64/kernel/setup.c
index ffd3970721bf..f3067d4d4e35 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -64,6 +64,7 @@
#include <asm/psci.h>
#include <asm/efi.h>
#include <asm/virt.h>
+#include <asm/xen/hypervisor.h>
unsigned long elf_hwcap __read_mostly;
EXPORT_SYMBOL_GPL(elf_hwcap);
@@ -401,6 +402,7 @@ void __init setup_arch(char **cmdline_p)
} else {
psci_acpi_init();
}
+ xen_early_init();
cpu_read_bootcpu_ops();
#ifdef CONFIG_SMP
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 4b2121bd7f9c..695801a54ca5 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;
}
@@ -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);
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