• Linus Torvalds's avatar
    Merge tag 'for-4.21' of git://git.armlinux.org.uk/~rmk/linux-arm · 1205b623
    Linus Torvalds authored
    Pull ARM updates from Russell King:
     "Included in this update:
    
       - Florian Fainelli noticed that userspace segfaults caused by the
         lack of kernel-userspace helpers was hard to diagnose; we now issue
         a warning when userspace tries to use the helpers but the kernel
         has them disabled.
    
       - Ben Dooks wants compatibility for the old ATAG serial number with
         DT systems.
    
       - Some cleanup of assembly by Nicolas Pitre.
    
       - User accessors optimisation from Vincent Whitchurch.
    
       - More robust kdump on SMP systems from Yufen Wang.
    
       - Sebastian Andrzej Siewior noticed problems with the SMP "boot_lock"
         on RT kernels, and so we convert the Versatile series of platforms
         to use a raw spinlock instead, consolidating the Versatile
         implementation. We entirely remove the boot_lock on OMAP systems,
         where it's unnecessary. Further patches for other systems will be
         submitted for the following merge window.
    
       - Start switching old StrongARM-11x0 systems to use gpiolib rather
         than their private GPIO implementation - mostly PCMCIA bits.
    
       - ARM Kconfig cleanups.
    
       - Cleanup a mostly harmless mistake in the recent Spectre patch in
         4.20 (which had the effect that data that can be placed into the
         init sections was incorrectly always placed in the rodata section)"
    
    * tag 'for-4.21' of git://git.armlinux.org.uk/~rmk/linux-arm: (25 commits)
      ARM: omap2: remove unnecessary boot_lock
      ARM: versatile: rename and comment SMP implementation
      ARM: versatile: convert boot_lock to raw
      ARM: vexpress/realview: consolidate immitation CPU hotplug
      ARM: fix the cockup in the previous patch
      ARM: sa1100/cerf: switch to using gpio_led_register_device()
      ARM: sa1100/assabet: switch to using gpio leds
      ARM: sa1100/assabet: add gpio keys support for right-hand two buttons
      ARM: sa1111: remove legacy GPIO interfaces
      pcmcia: sa1100*: remove redundant bvd1/bvd2 setting
      ARM: pxa/lubbock: switch PCMCIA to MAX1600 library
      ARM: pxa/mainstone: switch PCMCIA to MAX1600 library and gpiod APIs
      ARM: sa1100/neponset: switch PCMCIA to MAX1600 library and gpiod APIs
      ARM: sa1100/jornada720: switch PCMCIA to gpiod APIs
      pcmcia: add MAX1600 library
      ARM: sa1100: explicitly register sa11x0-pcmcia devices
      ARM: 8813/1: Make aligned 2-byte getuser()/putuser() atomic on ARMv6+
      ARM: 8812/1: Optimise copy_{from/to}_user for !CPU_USE_DOMAINS
      ARM: 8811/1: always list both ldrd/strd registers explicitly
      ARM: 8808/1: kexec:offline panic_smp_self_stop CPU
      ...
    1205b623
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