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

Message ID 20230724100917.309061-2-suagrfillet@gmail.com (mailing list archive)
State Accepted
Commit 640c503d7dbd7d34a62099c933f4db0ed77ccbec
Headers show
Series [RESEND,-fixes,1/2] riscv: Export va_kernel_pa_offset in vmcoreinfo | expand

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conchuod/cover_letter success Single patches do not need cover letters
conchuod/tree_selection success Guessed tree name to be fixes at HEAD ab2dbc7acced
conchuod/fixes_present success Fixes tag present in non-next series
conchuod/maintainers_pattern success MAINTAINERS pattern errors before the patch: 4 and now 4
conchuod/verify_signedoff success Signed-off-by tag matches author and committer
conchuod/kdoc success Errors and warnings before: 0 this patch: 0
conchuod/build_rv64_clang_allmodconfig success Errors and warnings before: 9 this patch: 9
conchuod/module_param success Was 0 now: 0
conchuod/build_rv64_gcc_allmodconfig success Errors and warnings before: 9 this patch: 9
conchuod/build_rv32_defconfig success Build OK
conchuod/dtb_warn_rv64 success Errors and warnings before: 3 this patch: 3
conchuod/header_inline success No static functions without inline keyword in header files
conchuod/checkpatch success total: 0 errors, 0 warnings, 0 checks, 9 lines checked
conchuod/build_rv64_nommu_k210_defconfig success Build OK
conchuod/verify_fixes success Fixes tag looks correct
conchuod/build_rv64_nommu_virt_defconfig success Build OK

Commit Message

Song Shuai July 24, 2023, 10:09 a.m. UTC
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@gmail.com>
---
 Documentation/admin-guide/kdump/vmcoreinfo.rst | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Alexandre Ghiti July 25, 2023, 7:48 a.m. UTC | #1
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@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@rivosinc.com>

Thanks,

Alex
diff mbox series

Patch

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.