• Linus Torvalds's avatar
    Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux · e3d8238d
    Linus Torvalds authored
    Pull arm64 updates from Catalin Marinas:
     "Mostly refactoring/clean-up:
    
       - CPU ops and PSCI (Power State Coordination Interface) refactoring
         following the merging of the arm64 ACPI support, together with
         handling of Trusted (secure) OS instances
    
       - Using fixmap for permanent FDT mapping, removing the initial dtb
         placement requirements (within 512MB from the start of the kernel
         image).  This required moving the FDT self reservation out of the
         memreserve processing
    
       - Idmap (1:1 mapping used for MMU on/off) handling clean-up
    
       - Removing flush_cache_all() - not safe on ARM unless the MMU is off.
         Last stages of CPU power down/up are handled by firmware already
    
       - "Alternatives" (run-time code patching) refactoring and support for
         immediate branch patching, GICv3 CPU interface access
    
       - User faults handling clean-up
    
      And some fixes:
    
       - Fix for VDSO building with broken ELF toolchains
    
       - Fix another case of init_mm.pgd usage for user mappings (during
         ASID roll-over broadcasting)
    
       - Fix for FPSIMD reloading after CPU hotplug
    
       - Fix for missing syscall trace exit
    
       - Workaround for .inst asm bug
    
       - Compat fix for switching the user tls tpidr_el0 register"
    
    * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (42 commits)
      arm64: use private ratelimit state along with show_unhandled_signals
      arm64: show unhandled SP/PC alignment faults
      arm64: vdso: work-around broken ELF toolchains in Makefile
      arm64: kernel: rename __cpu_suspend to keep it aligned with arm
      arm64: compat: print compat_sp instead of sp
      arm64: mm: Fix freeing of the wrong memmap entries with !SPARSEMEM_VMEMMAP
      arm64: entry: fix context tracking for el0_sp_pc
      arm64: defconfig: enable memtest
      arm64: mm: remove reference to tlb.S from comment block
      arm64: Do not attempt to use init_mm in reset_context()
      arm64: KVM: Switch vgic save/restore to alternative_insn
      arm64: alternative: Introduce feature for GICv3 CPU interface
      arm64: psci: fix !CONFIG_HOTPLUG_CPU build warning
      arm64: fix bug for reloading FPSIMD state after CPU hotplug.
      arm64: kernel thread don't need to save fpsimd context.
      arm64: fix missing syscall trace exit
      arm64: alternative: Work around .inst assembler bugs
      arm64: alternative: Merge alternative-asm.h into alternative.h
      arm64: alternative: Allow immediate branch as alternative instruction
      arm64: Rework alternate sequence for ARM erratum 845719
      ...
    e3d8238d
fault.c 15.4 KB