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pseries: phyp dump: hypervisor-assisted dump

Manish Ahuja linuxppc-dev 1 version In review

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  1. v1 Latest8 patches 44 repliesIn review

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/8pseries: phyp dump: DocmentationDocumentation/powerpc/phyp-assisted-dump.txt+129 -020 replies
1/8pseries: phyp dump: DocmentationDocumentation/powerpc/phyp-assisted-dump.txt+127 -00 replies
2/8pseries: phyp dump: config filearch/powerpc/Kconfig+11 -01 reply
2/8pseries: phyp dump: reserve-release proof-of-conceptarch/powerpc/kernel/prom.c arch/powerpc/kernel/rtas.c arch/powerpc/platforms/pseries/Makefile +3 more+195 -04 replies
2/8pseries: phyp dump: reserve-release proof-of-conceptarch/powerpc/kernel/prom.c arch/powerpc/kernel/rtas.c arch/powerpc/platforms/pseries/Makefile +3 more+195 -00 replies
3/8pseries: phyp dump: reserve-release proof-of-conceptarch/powerpc/kernel/prom.c arch/powerpc/platforms/pseries/Makefile arch/powerpc/platforms/pseries/phyp_dump.c +1 more+137 -02 replies
3/8pseries: phyp dump: use sysfs to release reserved memarch/powerpc/platforms/pseries/phyp_dump.c+82 -66 replies
4/8pseries: phyp dump: use sysfs to release reserved memarch/powerpc/platforms/pseries/phyp_dump.c+96 -52 replies
4/8pseries: phyp dump: register dump area.arch/powerpc/platforms/pseries/phyp_dump.c+129 -72 replies
5/8pseries: phyp dump: register dump area.arch/powerpc/platforms/pseries/phyp_dump.c+163 -61 reply
5/8pseries: phyp dump: debugging print routines.arch/powerpc/platforms/pseries/phyp_dump.c+60 -40 replies
6/8pseries: phyp dump: debugging print routines.arch/powerpc/platforms/pseries/phyp_dump.c+52 -12 replies
6/8pseries: phyp dump: Invalidate and print dump areas.arch/powerpc/platforms/pseries/phyp_dump.c include/asm/phyp_dump.h+79 -122 replies
6/8pseries: phyp dump: Invalidate and print dump areas.arch/powerpc/platforms/pseries/phyp_dump.c include/asm-powerpc/phyp_dump.h+77 -110 replies
7/8pseries: phyp dump: Unregister and print dump areas.arch/powerpc/platforms/pseries/phyp_dump.c+73 -62 replies
7/8pseries: phyp dump: Tracking memory range freed.arch/powerpc/platforms/pseries/phyp_dump.c+35 -00 replies
8/8pseries: phyp dump: Tracking memory range freed.arch/powerpc/platforms/pseries/phyp_dump.c include/asm-powerpc/phyp_dump.h+39 -00 replies
8/8pseries: phyp dump: config filearch/powerpc/Kconfig+11 -00 replies

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Cover letter [PATCH 0/8] pseries: phyp dump: hypervisor-assisted dump

The following series of patches implement a basic framework for hypervisor-assisted dump. The very first patch provides documentation explaining what this is :-) . Yes, its supposed to be an improvement over kdump.

The patches mostly work; a list of open issues / todo list is included in the documentation. It also appears that the not-yet-released firmware versions this was tested on are still, ahem, incomplete; this work is also pending.

-- Linas & Manish