From: Ashish Kalra <ashish.kalra@xxxxxxx> The patchset adds bits and pieces to get kexec (and crashkernel) work on SNP guest. This patchset requires [1] for chained guest kexec to work correctly. [1]: https://lore.kernel.org/lkml/20240219225451.787816-1-Ashish.Kalra@xxxxxxx/ Ashish Kalra (2): x86/mm: Do not zap PMD entry mapping unaccepted memory table during kdump. x86/snp: Convert shared memory back to private on kexec arch/x86/include/asm/probe_roms.h | 1 + arch/x86/include/asm/sev.h | 8 ++ arch/x86/kernel/probe_roms.c | 16 +++ arch/x86/kernel/sev.c | 211 ++++++++++++++++++++++++++++++ arch/x86/mm/init_64.c | 4 +- arch/x86/mm/mem_encrypt_amd.c | 18 ++- 6 files changed, 256 insertions(+), 2 deletions(-) -- 2.34.1