Re: [RESEND PATCH V2 0/5] Fixups to work with crash tool

[Xianting Tian <xianting.tian@linux.alibaba.com>]

在 2022/7/26 下午4:16, Xianting Tian 写道:
>
> 在 2022/7/26 下午4:01, Conor.Dooley@microchip.com 写道:
>> On 26/07/2022 08:54, tianxianting wrote:
>>> 在 2022/7/26 上午1:13, Conor.Dooley@microchip.com 写道:
>>>> That said, this does not apply to riscv/for-next:
>>>> b4 shazam 20220725014539.1037627-1-xianting.tian@linux.alibaba.com
>>>> Grabbing thread from 
>>>> lore.kernel.org/all/20220725014539.1037627-1-xianting.tian%40linux.alibaba.com/t.mbox.gz
>>>> Checking for newer revisions on https://lore.kernel.org/all/
>>>> Analyzing 6 messages in the thread
>>>> Checking attestation on all messages, may take a moment...
>>>> ---
>>>>     [PATCH v2 1/5] RISC-V: use __smp_processor_id() instead of 
>>>> smp_processor_id()
>>>>     [PATCH v2 2/5] RISC-V: Add arch_crash_save_vmcoreinfo support
>>>>     [PATCH v2 3/5] riscv: Add modules to virtual kernel memory 
>>>> layout dump
>>>>     [PATCH v2 4/5] RISC-V: Fixup getting correct current pc
>>>>     [PATCH v2 5/5] riscv: crash_core: Export kernel vm layout, 
>>>> phys_ram_base
>>>> ---
>>>> Total patches: 5
>>>> ---
>>>> Applying: RISC-V: use __smp_processor_id() instead of 
>>>> smp_processor_id()
>>>> Applying: RISC-V: Add arch_crash_save_vmcoreinfo support
>>>> Patch failed at 0002 RISC-V: Add arch_crash_save_vmcoreinfo support
>>> patch 2 apply is OK for me, I don't know why you failed :(
>>> Do you have more detals for this?
>>>
>> What did you apply it to? It does not apply for me to riscv/for-next:
>> https://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git/log/?h=for-next 
>>
>
> This 5 patches are based on the master branch of below git:
>
> https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux.git 
>
>
> "git am 0002-RISC-V-Add-arch_crash_save_vmcoreinfo-support.patch" to 
> this git is ok for me.
>
> All is correct?

I figured out the reason, there is one difference in 
arch/riscv/kernel/Makefile between riscv/for-next and torvalds/linux.

For riscv/for-next, in line 81 of arch/riscv/kernel/Makefile, it is:

     obj-$(CONFIG_KEXEC)        += kexec_relocate.o crash_save_regs.o 
machine_kexec.o

But for torvalds/linux, in line 81 of arch/riscv/kernel/Makefile, it is:

     obj-$(CONFIG_KEXEC_CORE)        += kexec_relocate.o 
crash_save_regs.o machine_kexec.o

torvalds/linux is newer than riscv/for-next,  commit 3a66a08759 
("RISC-V: kexec: Fix build error without CONFIG_KEXEC") added 
"CONFIG_KEXEC_CORE" for torvalds/linux, But riscv/for-next

doesn't contain the commit.


>
>>
>> Thanks,
>> Conor.
>>

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