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Kexec/Kdump support POWER6

Sachin P. Sant kexec linuxppc-dev 1 version In review

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  1. v1 Latest2 patches 6 repliesIn review

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/2Kexec/Kdump support POWER6arch/powerpc/kernel/setup_64.c arch/powerpc/mm/hash_utils_64.c include/asm-powerpc/page_64.h+15 -00 replies
2/2Kexec/Kdump support POWER6arch/powerpc/kernel/machine_kexec_64.c arch/powerpc/platforms/pseries/lpar.c include/asm-powerpc/kexec.h +1 more+65 -13 replies
2/2Kexec/Kdump support - POWER6arch/powerpc/platforms/pseries/lpar.c arch/powerpc/platforms/pseries/plpar_wrappers.h+79 -111 replies

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Cover letter [Patch 0/2] Kexec/Kdump support POWER6

Here are a set of patches which adds kdump support for Power6.

The first patch reads VRMA page size from device tree.

Second patch adds Kexec/Kdump support for Power6 processor. On Power machines supporting VRMA, Kexec/Kdump does not work. Hypervisor stores VRMA mapping used by the OS, in the hpte hash tables. This patch makes sure these hpte entries are left untouched.

Comments are welcome.

Thanks
-Sachin

Signed-off-by Sachin Sant <[email protected]>
Signed-off-by Mohan Kumar M <[email protected]>

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Read the cover letter in its thread