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Linus Torvalds authored
Pull ARC fixes from Vineet Gupta:

 - HSDK-4xd Dev system: perf driver updates for sampling interrupt

 - HSDK* Dev System: Ethernet broken [Evgeniy Didin]

 - HIGHMEM broken (2 memory banks) [Mike Rapoport]

 - show_regs() rewrite once and for all

 - Other minor fixes

* tag 'arc-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARC: [plat-hsdk]: Switch ethernet phy-mode to rgmii-id
  arc: fix memory initialization for systems with two memory banks
  irqchip/eznps: Fix build error for !ARC700 builds
  ARC: show_regs: fix r12 printing and simplify
  ARC: HSDK: wireup perf irq
  ARC: perf: don't bail setup if pct irq missing in device-tree
  ARC: pgalloc.h: delete a duplicated word + other fixes
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