linux-kernel - Re: [PATCH v3 0/5] RISC-V: Add kexec/kdump support

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Date:   Fri, 23 Apr 2021 06:36:56 +0300
From:   Nick Kossifidis <mick@....forth.gr>
To:     Palmer Dabbelt <palmer@...belt.com>
Cc:     mick@....forth.gr, linux-riscv@...ts.infradead.org,
        Paul Walmsley <paul.walmsley@...ive.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/5] RISC-V: Add kexec/kdump support

Στις 2021-04-23 06:30, Palmer Dabbelt έγραψε:
> On Mon, 05 Apr 2021 01:57:07 PDT (-0700), mick@....forth.gr wrote:
>> This patch series adds kexec/kdump and crash kernel
>> support on RISC-V. For testing the patches a patched
>> version of kexec-tools is needed (still a work in
>> progress) which can be found at:
>> 
>> https://riscv.ics.forth.gr/kexec-tools-patched.tar.xz
>> 
>> v3:
>>  * Rebase on newer kernel tree
>>  * Minor cleanups
>>  * Split UAPI changes to a separate patch
>>  * Improve / cleanup init_resources
>>  * Resolve Palmer's comments
>> 
>> v2:
>>  * Rebase on newer kernel tree
>>  * Minor cleanups
>>  * Properly populate the ioresources tre, so that it
>>    can be used later on for implementing strict /dev/mem
>>  * Use linux,usable-memory on /memory instead of a new binding
>>  * USe a reserved-memory node for ELF core header
>> 
>> Nick Kossifidis (5):
>>   RISC-V: Add EM_RISCV to kexec UAPI header
>>   RISC-V: Add kexec support
>>   RISC-V: Improve init_resources
>>   RISC-V: Add kdump support
>>   RISC-V: Add crash kernel support
>> 
>>  arch/riscv/Kconfig                  |  25 ++++
>>  arch/riscv/include/asm/elf.h        |   6 +
>>  arch/riscv/include/asm/kexec.h      |  54 +++++++
>>  arch/riscv/kernel/Makefile          |   6 +
>>  arch/riscv/kernel/crash_dump.c      |  46 ++++++
>>  arch/riscv/kernel/crash_save_regs.S |  56 +++++++
>>  arch/riscv/kernel/kexec_relocate.S  | 222 
>> ++++++++++++++++++++++++++++
>>  arch/riscv/kernel/machine_kexec.c   | 193 ++++++++++++++++++++++++
>>  arch/riscv/kernel/setup.c           | 113 ++++++++------
>>  arch/riscv/mm/init.c                | 110 ++++++++++++++
>>  include/uapi/linux/kexec.h          |   1 +
>>  11 files changed, 787 insertions(+), 45 deletions(-)
>>  create mode 100644 arch/riscv/include/asm/kexec.h
>>  create mode 100644 arch/riscv/kernel/crash_dump.c
>>  create mode 100644 arch/riscv/kernel/crash_save_regs.S
>>  create mode 100644 arch/riscv/kernel/kexec_relocate.S
>>  create mode 100644 arch/riscv/kernel/machine_kexec.c
> 
> Thanks.  There were some minor issues and some merge conflicts, I put
> this on for-next with some fixups.

I've sent a v4 that shouldn't have merge conflicts, addressing some 
comments from Alex as well, could you use that instead or is it too late 
?