[PATCH v2 0/3] riscv: ptdump: Refactor for KVM gstage ptdump support

This is v2 of the series to add KVM gstage ptdump support for RISC-V.

Changes from v1 (https://lore.kernel.org/linux-riscv/[email protected]/):
  - Split patch 1 into two patches as requested by Paul Walmsley:
    * Patch 1/3: Create ptdump.h header, move declarations there,
                 and export note_page()
    * Patch 2/3: Make attribute parsing use per-level bits configuration,
                 and rename local pg_level[] to kernel_pg_levels[]
  - Added CONFIG_PTDUMP_GSTAGE_DEBUGFS Kconfig option
  - Replaced custom walk logic with ptdump_walk_pgd() reuse
  - Removed incorrect copyright headers from arch/riscv/kvm/ptdump.c
  - Fixed Makefile ordering (alphabetical, under conditional Kconfig)

Dylan.Wu (3):
  riscv: ptdump: Create ptdump.h and move declarations
  riscv: ptdump: Use per-level attribute bits for parsing
  KVM: riscv: Register ptdump with debugfs on guest creation

 arch/riscv/include/asm/ptdump.h |  42 +++++
 arch/riscv/kvm/Kconfig          |  15 ++
 arch/riscv/kvm/Makefile         |   1 +
 arch/riscv/kvm/ptdump.c         | 276 ++++++++++++++++++++++++++++++++
 arch/riscv/mm/ptdump.c          | 106 +++++-------
 5 files changed, 376 insertions(+), 64 deletions(-)
 create mode 100644 arch/riscv/include/asm/ptdump.h
 create mode 100644 arch/riscv/kvm/ptdump.c

-- 
2.34.1


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