Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq updates from Thomas Gleixner:
 "The irq departement provides the usual mixed bag:

  Core:

   - Further improvements to the irq timings code which aims to predict
     the next interrupt for power state selection to achieve better
     latency/power balance

   - Add interrupt statistics to the core NMI handlers

   - The usual small fixes and cleanups

  Drivers:

   - Support for Renesas RZ/A1, Annapurna Labs FIC, Meson-G12A SoC and
     Amazon Gravition AMR/GIC interrupt controllers.

   - Rework of the Renesas INTC controller driver

   - ACPI support for Socionext SoCs

   - Enhancements to the CSKY interrupt controller

   - The usual small fixes and cleanups"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (39 commits)
  irq/irqdomain: Fix comment typo
  genirq: Update irq stats from NMI handlers
  irqchip/gic-pm: Remove PM_CLK dependency
  irqchip/al-fic: Introduce Amazon's Annapurna Labs Fabric Interrupt Controller Driver
  dt-bindings: interrupt-controller: Add Amazon's Annapurna Labs FIC
  softirq: Use __this_cpu_write() in takeover_tasklets()
  irqchip/mbigen: Stop printing kernel addresses
  irqchip/gic: Add dependency for ARM_GIC_MAX_NR
  genirq/affinity: Remove unused argument from [__]irq_build_affinity_masks()
  genirq/timings: Add selftest for next event computation
  genirq/timings: Add selftest for irqs circular buffer
  genirq/timings: Add selftest for circular array
  genirq/timings: Encapsulate storing function
  genirq/timings: Encapsulate timings push
  genirq/timings: Optimize the period detection speed
  genirq/timings: Fix timings buffer inspection
  genirq/timings: Fix next event index function
  irqchip/qcom: Use struct_size() in devm_kzalloc()
  irqchip/irq-csky-mpintc: Remove unnecessary loop in interrupt handler
  dt-bindings: interrupt-controller: Update csky mpintc
  ...

1 files changed, 12 insertions, 9 deletions

diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 70c3053bc1f6..21f9927ff5ad 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -354,6 +354,16 @@ static inline int irq_timing_decode(u64 value, u64 *timestamp)
         return value & U16_MAX;
 }
 
+static __always_inline void irq_timings_push(u64 ts, int irq)
+{
+        struct irq_timings *timings = this_cpu_ptr(&irq_timings);
+
+        timings->values[timings->count & IRQ_TIMINGS_MASK] =
+                irq_timing_encode(ts, irq);
+
+        timings->count++;
+}
+
 /*
  * The function record_irq_time is only called in one place in the
  * interrupts handler. We want this function always inline so the code
@@ -367,15 +377,8 @@ static __always_inline void record_irq_time(struct irq_desc *desc)
         if (!static_branch_likely(&irq_timing_enabled))
                 return;
 
-        if (desc->istate & IRQS_TIMINGS) {
-                struct irq_timings *timings = this_cpu_ptr(&irq_timings);
-
-                timings->values[timings->count & IRQ_TIMINGS_MASK] =
-                        irq_timing_encode(local_clock(),
-                                          irq_desc_get_irq(desc));
-
-                timings->count++;
-        }
+        if (desc->istate & IRQS_TIMINGS)
+                irq_timings_push(local_clock(), irq_desc_get_irq(desc));
 }
 #else
 static inline void irq_remove_timings(struct irq_desc *desc) {}