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New option to avoid copying old root param from 1st kernel cmdline

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  1. v1 Latest3 patches 1 replyIn review

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/3fs2dt.c: move copy old root param as a new functionkexec/fs2dt.c kexec/fs2dt.h+41 -260 replies
2/3arm: add arch option --dt-no-old-rootkexec/arch/arm/include/arch/options.h kexec/arch/arm/kexec-arm.c+31 -20 replies
3/3ppc64: add arch option --dt-no-old-rootkexec/arch/ppc64/include/arch/options.h kexec/arch/ppc64/kexec-ppc64.c+8 -10 replies

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Cover letter [kexec-tools PATCH 0/3] New option to avoid copying old root param from 1st kernel cmdline

Hi,

Here is the update patches for adding a new option --dt-no-old-root. Per previously discussion with Simon, we should consider the compatibility issue for changing the old behavior. Thus a new option is necessary

The 1st patch move the copying code to another function. The other two patches are for adding arch dependent option for arm and ppc64.

Tested kexec load on both arm and ppc64 machines.

For the latter two patches, some usage lines are over 80 characters, but I just keep same with original formats. I prefer to fix it in other patches. If you think it really need being fixed in this patchset please let me know, I can update them again.

Thanks
Dave

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