[PATCH v33 00/14] add kdump support

On Wed, 2017-03-15 at 18:56 +0900, AKASHI Takahiro wrote:

This patch series adds kdump support on arm64.

To load a crash-dump kernel to the systems, a series of patches to
kexec-tools[1] are also needed. Please use the latest one, v6 [2].
For your convinience, you can pick them up from:
?? https://git.linaro.org/people/takahiro.akashi/linux-aarch64.git?arm64/kdump
?? https://git.linaro.org/people/takahiro.akashi/kexec-tools.git?arm64/kdump

To examine vmcore (/proc/vmcore) on a crash-dump kernel, you can use
? - crash utility (v7.1.8 or later) [3]

I tested this patchset on fast model and hikey.

Please build with CONFIG_DEBUG_SECTION_MISMATCH=y.

It might be because I'm using your v32 patchset, hacked late at night
to apply to a 4.9 kernel, but I see this:

WARNING: vmlinux.o(.text+0x10240): Section mismatch in reference from the function arch_kexec_protect_crashkres() to the function .init.text:create_pgd_mapping()
The function arch_kexec_protect_crashkres() references
the function __init create_pgd_mapping().
This is often because arch_kexec_protect_crashkres lacks a __init?
annotation or the annotation of create_pgd_mapping is wrong.

WARNING: vmlinux.o(.text+0x102b0): Section mismatch in reference from the function arch_kexec_unprotect_crashkres() to the function .init.text:create_pgd_mapping()
The function arch_kexec_unprotect_crashkres() references
the function __init create_pgd_mapping().
This is often because arch_kexec_unprotect_crashkres lacks a __init?
annotation or the annotation of create_pgd_mapping is wrong.
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