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

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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
  ...
This commit is contained in:
Linus Torvalds
2019-07-08 11:01:13 -07:00
parent e0e86b111b 3a1d24ca95
commit 2a1ccd3142
32 changed files with 1530 additions and 194 deletions
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2
kernel/softirq.c
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@@ -649,7 +649,7 @@ static int takeover_tasklets(unsigned int cpu)
/* Find end, append list for that CPU. */
if (&per_cpu(tasklet_vec, cpu).head != per_cpu(tasklet_vec, cpu).tail) {
*__this_cpu_read(tasklet_vec.tail) = per_cpu(tasklet_vec, cpu).head;
this_cpu_write(tasklet_vec.tail, per_cpu(tasklet_vec, cpu).tail);
__this_cpu_write(tasklet_vec.tail, per_cpu(tasklet_vec, cpu).tail);
per_cpu(tasklet_vec, cpu).head = NULL;
per_cpu(tasklet_vec, cpu).tail = &per_cpu(tasklet_vec, cpu).head;
}