[RESEND PATCH -fixes 2/2] Documentation: kdump: Add va_kernel_pa_offset for RISCV64

Alexandre Ghiti alex at ghiti.fr
Tue Jul 25 00:48:22 PDT 2023


On 24/07/2023 12:09, Song Shuai wrote:
> RISC-V Linux exports "va_kernel_pa_offset" in vmcoreinfo to help
> Crash-utility translate the kernel virtual address correctly.
>
> Here adds the definition of "va_kernel_pa_offset".
>
> Fixes: 3335068f8721 ("riscv: Use PUD/P4D/PGD pages for the linear mapping")
> Link: https://lore.kernel.org/linux-riscv/20230724040649.220279-1-suagrfillet@gmail.com/
> Signed-off-by: Song Shuai <suagrfillet at gmail.com>
> ---
>   Documentation/admin-guide/kdump/vmcoreinfo.rst | 6 ++++++
>   1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst
> index c18d94fa6470..f8ebb63b6c5d 100644
> --- a/Documentation/admin-guide/kdump/vmcoreinfo.rst
> +++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst
> @@ -624,3 +624,9 @@ Used to get the correct ranges:
>     * VMALLOC_START ~ VMALLOC_END : vmalloc() / ioremap() space.
>     * VMEMMAP_START ~ VMEMMAP_END : vmemmap space, used for struct page array.
>     * KERNEL_LINK_ADDR : start address of Kernel link and BPF
> +
> +va_kernel_pa_offset
> +-------------------
> +
> +Indicates the offset between the kernel virtual and physical mappings.
> +Used to translate virtual to physical addresses.


You can add:

Reviewed-by: Alexandre Ghiti <alexghiti at rivosinc.com>

Thanks,

Alex




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