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Makedumpfile: Add 5-level paging support

Baoquan He kexec 1 version In review

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  1. v1 Latest4 patches 11 repliesIn review

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/4arch/x86_64: Cleanup the address translation of the 4-level page tablesarch/x86_64.c makedumpfile.h+45 -353 replies
2/4Makedumpfile: Add pgtable_l5_enabled to number_tablemakedumpfile.c makedumpfile.h+4 -02 replies
3/4Makedumpfile: Add a new function check_5level_paging()arch/x86_64.c+9 -02 replies
4/4arch/x86_64: Add 5-level paging supportarch/x86_64.c makedumpfile.h+72 -211 reply

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Cover letter [PATCH 0/4] Makedumpfile: Add 5-level paging support

Kernel has 5-level paging support and now can support boot-time switching between 4/5-level paging mode. This patchset is used to add 5-level paging support in makedumpfile.

A kernel fix is posted to export 'pgtable_l5_enabled' to tell if the corrupted kernel is in 5-level paging mode.
https://patchwork.kernel.org/patch/10253399/

Patch 0001 and 0004 were made by Dou Liyang. While it doesn't work on the latest 5-level code. So add patch 0002 to introduce 'pgtable_l5_enabled'. Change and take out the function check_5level_paging() from dou's old patch and add it into patch 0003. Except of these, don't touch other part of dou's patches.

Thanks, dou, for the effort!

Baoquan He (2):
Makedumpfile: Add pgtable_l5_enabled to number_table
Makedumpfile: Add a new function check_5level_paging()

Dou Liyang (2):
arch/x86_64: Cleanup the address translation of the 4-level page
tables
arch/x86_64: Add 5-level paging support

 arch/x86_64.c  | 130 +++++++++++++++++++++++++++++++++++++++++----------------
 makedumpfile.c |   3 ++
 makedumpfile.h |  39 +++++++++++------
 3 files changed, 123 insertions(+), 49 deletions(-)
Signature · 7 lines
2.13.6


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