[PATCH V2 2/2] Documentation: kdump: describe VMCOREINFO export for RISCV64

Bagas Sanjaya bagasdotme at gmail.com
Tue Oct 18 00:20:20 PDT 2022


On 10/18/22 13:06, Xianting Tian wrote:
> 
> 在 2022/10/18 上午11:19, Bagas Sanjaya 写道:
>> On Fri, Oct 14, 2022 at 09:41:39PM +0800, Xianting Tian wrote:
>>> The following interrelated definitions and ranges are needed by the kdump
>>> crash tool, they are exported by "arch/riscv/kernel/crash_core.c":
>> Better say "..., which are exported by ..."
>>
>>> diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst
>>> index 6726f439958c..8e2e164cf3db 100644
>>> --- a/Documentation/admin-guide/kdump/vmcoreinfo.rst
>>> +++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst
>>> @@ -595,3 +595,33 @@ X2TLB
>>>   -----
>>>     Indicates whether the crashed kernel enabled SH extended mode.
>>> +
>>> +RISCV64
>>> +=======
>>> +
>>> +VA_BITS
>>> +-------
>>> +
>>> +The maximum number of bits for virtual addresses. Used to compute the
>>> +virtual memory ranges.
>>> +
>>> +PAGE_OFFSET
>>> +-----------
>>> +
>>> +Indicates the virtual kernel start address of direct-mapped RAM region.
>>> +
>>> +phys_ram_base
>>> +-------------
>>> +
>>> +Indicates the start physical RAM address.
>>> +
>>> +MODULES_VADDR|MODULES_END|VMALLOC_START|VMALLOC_END|VMEMMAP_START|VMEMMAP_END|KASAN_SHADOW_START|KASAN_SHADOW_END|KERNEL_LINK_ADDR|ADDRESS_SPACE_END
>>> +----------------------------------------------------------------------------------------------------------------------------------------------------
>>> +
>>> +Used to get the correct ranges:
>>> +
>>> +  * MODULES_VADDR ~ MODULES_END : Kernel module space.
>>> +  * VMALLOC_START ~ VMALLOC_END : vmalloc() / ioremap() space.
>>> +  * VMEMMAP_START ~ VMEMMAP_END : vmemmap region, used for struct page array.
>>> +  * KASAN_SHADOW_START ~ KASAN_SHADOW_END : kasan shadow space.
>>> +  * KERNEL_LINK_ADDR ~ ADDRESS_SPACE_END : Kernel link and BPF space.
>> The documentation LGTM, thanks.
>>
>> When the patch subject is fixed,
> Could you tell me what patch subject should be changed to ? thanks

I mean the description, not subject (as in email). That is, fix the description
(see above). The subject shouldn't be changed. Sorry for inconvenience.

Thanks.

-- 
An old man doll... just what I always wanted! - Clara




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