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| author | Linaro CI <ci_notify@linaro.org> | 2022-07-14 13:57:19 +0000 |
|---|---|---|
| committer | Linaro CI <ci_notify@linaro.org> | 2022-07-14 13:57:19 +0000 |
| commit | b99ed64cfd9a71c2a6ee309e560602ffe5942bf4 (patch) | |
| tree | 712a4327d7c6ad993f137dcd9c7228e405c0cef8 /Documentation/livepatch/module-elf-format.rst | |
| parent | 42bfe6fc95acbfdd552957b8e31e903df97a2204 (diff) | |
| parent | 61bb243a11a7e5905e8d3688bd31d6c4f91d2ea5 (diff) | |
Merge remote-tracking branch 'msm8939/tracking-qcomlt-msm8939' into integration-linux-qcomltintegration-linux-qcomlt-20220718-011904-v5.19-rc6-305-gb99ed64cfd9a71
Diffstat (limited to 'Documentation/livepatch/module-elf-format.rst')
| -rw-r--r-- | Documentation/livepatch/module-elf-format.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/livepatch/module-elf-format.rst b/Documentation/livepatch/module-elf-format.rst index dbe9b400e39f..7347638895a0 100644 --- a/Documentation/livepatch/module-elf-format.rst +++ b/Documentation/livepatch/module-elf-format.rst @@ -210,11 +210,11 @@ module->symtab. ===================================== Normally, a stripped down copy of a module's symbol table (containing only "core" symbols) is made available through module->symtab (See layout_symtab() -in kernel/module.c). For livepatch modules, the symbol table copied into memory -on module load must be exactly the same as the symbol table produced when the -patch module was compiled. This is because the relocations in each livepatch -relocation section refer to their respective symbols with their symbol indices, -and the original symbol indices (and thus the symtab ordering) must be +in kernel/module/kallsyms.c). For livepatch modules, the symbol table copied +into memory on module load must be exactly the same as the symbol table produced +when the patch module was compiled. This is because the relocations in each +livepatch relocation section refer to their respective symbols with their symbol +indices, and the original symbol indices (and thus the symtab ordering) must be preserved in order for apply_relocate_add() to find the right symbol. For example, take this particular rela from a livepatch module::: |