Merge tag 'kexec-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/liveupdate/linux

Pull kexec updates from Mike Rapoport:

 - Deduplicate crash memory allocation and the exclusion of reserved
   crash kernel regions from architecture specific code into a generic
   crash_prepare_headers() and enable crashkernel CMA reservation on
   arm64 and riscv reservation on arm64 and riscv.

 - Skip purgatory checksum verification when the kexec segments cannot
   be corrupted by DMA, which saves about 250ms on kexec.

 - Replace __ASSEMBLY__ with the compiler provided __ASSEMBLER__ in
   include/linux/kexec.h.

 - Fix a keyring refcount imbalance in the kdump kernel's dm-crypt key
   restore path, which over-dropped the user keyring reference when
   more than one key was restored.

* tag 'kexec-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/liveupdate/linux:
  crash_dump: release keyring reference at the correct time
  kexec: Replace __ASSEMBLY__ with __ASSEMBLER__ in header file
  kexec_file: skip checksum verification when safe
  riscv: kexec_file: Add support for crashkernel CMA reservation
  arm64: kexec_file: Add support for crashkernel CMA reservation
  powerpc/kexec_file: Use crash_exclude_core_ranges() helper
  LoongArch: kexec_file: Use crash_prepare_headers() helper to simplify code
  riscv: kexec_file: Use crash_prepare_headers() helper to simplify code
  x86/crash: Use crash_prepare_headers() helper to simplify code
  arm64: kexec_file: Use crash_prepare_headers() helper to simplify code
  crash: Add crash_prepare_headers() to exclude crash kernel memory
  powerpc/crash: sort crash memory ranges before preparing elfcorehdr
  riscv: kexec_file: Fix crashk_low_res not exclude bug

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