[PATCH v23 0/9] arm64: add kdump support
AKASHI Takahiro
takahiro.akashi at linaro.org
Tue Jul 26 01:09:26 PDT 2016
On Tue, Jul 26, 2016 at 04:56:51PM +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, which have not yet been merged upstream, are needed.
> Please pick Geoff's kexec patches [1] and my kdump patches [2].
>
> To examine vmcore (/proc/vmcore) on a crash-dump kernel, you can use
> - crash utility (coming v7.1.6 or later) [3]
> (Necessary patches have already been queued in the master.)
>
> [1] http://lists.infradead.org/pipermail/kexec/2016-July/016532.html
> [2] TBD
See my kexec-tools patches in:
http://lists.infradead.org/pipermail/kexec/2016-July/016642.html
Thanks,
-Takahiro AKASHI
> [3] https://github.com/crash-utility/crash.git
>
> Changes for v23 (July 26, 2016):
>
> o Move memblock_reserve() to a single place in reserve_crashkernel()
> o Use cpu_park_loop() in ipi_cpu_crash_stop()
> o Always enforce ARCH_LOW_ADDRESS_LIMIT to the memory range of crash kernel
> o Re-implement fdt_enforce_memory_region() to remove non-reserve regions
> (for ACPI) from usable memory at crash kernel
>
> Changes for v22 (July 12, 2016):
>
> o Export "crashkernel-base" and "crashkernel-size" via device-tree,
> and add some descriptions about them in chosen.txt
> o Rename "usable-memory" to "usable-memory-range" to avoid inconsistency
> with powerpc's "usable-memory"
> o Make cosmetic changes regarding "ifdef" usage
> o Correct some wordings in kdump.txt
>
> Changes for v21 (July 6, 2016):
>
> o Remove kexec patches.
> o Rebase to arm64's for-next/core (Linux-4.7-rc4 based).
> o Clarify the description about kvm in kdump.txt.
>
> See the following link [3] for older changes:
> [3] http://lists.infradead.org/pipermail/linux-arm-kernel/2016-June/438780.html
>
> AKASHI Takahiro (8):
> arm64: kdump: reserve memory for crash dump kernel
> memblock: add memblock_cap_memory_range()
> arm64: limit memory regions based on DT property, usable-memory-range
> arm64: kdump: implement machine_crash_shutdown()
> arm64: kdump: add kdump support
> arm64: kdump: add VMCOREINFO's for user-space coredump tools
> arm64: kdump: enable kdump in the arm64 defconfig
> arm64: kdump: update a kernel doc
>
> James Morse (1):
> Documentation: dt: chosen properties for arm64 kdump
>
> Documentation/devicetree/bindings/chosen.txt | 45 ++++++
> Documentation/kdump/kdump.txt | 16 ++-
> arch/arm64/Kconfig | 11 ++
> arch/arm64/configs/defconfig | 1 +
> arch/arm64/include/asm/hardirq.h | 2 +-
> arch/arm64/include/asm/kexec.h | 41 +++++-
> arch/arm64/include/asm/smp.h | 2 +
> arch/arm64/kernel/Makefile | 1 +
> arch/arm64/kernel/crash_dump.c | 71 ++++++++++
> arch/arm64/kernel/machine_kexec.c | 67 ++++++++-
> arch/arm64/kernel/setup.c | 7 +-
> arch/arm64/kernel/smp.c | 63 +++++++++
> arch/arm64/mm/init.c | 202 +++++++++++++++++++++++++++
> include/linux/memblock.h | 1 +
> mm/memblock.c | 28 ++++
> 15 files changed, 551 insertions(+), 7 deletions(-)
> create mode 100644 arch/arm64/kernel/crash_dump.c
>
> --
> 2.9.0
>
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