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Diffstat (limited to 'Documentation/livepatch/module-elf-format.rst')
| -rw-r--r-- | Documentation/livepatch/module-elf-format.rst | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/Documentation/livepatch/module-elf-format.rst b/Documentation/livepatch/module-elf-format.rst index 2a591e6f8e6c..8c6b894c4661 100644 --- a/Documentation/livepatch/module-elf-format.rst +++ b/Documentation/livepatch/module-elf-format.rst @@ -14,8 +14,7 @@ This document outlines the Elf format requirements that livepatch modules must f 4. Livepatch symbols 4.1 A livepatch module's symbol table 4.2 Livepatch symbol format - 5. Architecture-specific sections - 6. Symbol table and Elf section access + 5. Symbol table and Elf section access 1. Background and motivation ============================ @@ -298,17 +297,7 @@ Examples: Note that the 'Ndx' (Section index) for these symbols is SHN_LIVEPATCH (0xff20). "OS" means OS-specific. -5. Architecture-specific sections -================================= -Architectures may override arch_klp_init_object_loaded() to perform -additional arch-specific tasks when a target module loads, such as applying -arch-specific sections. On x86 for example, we must apply per-object -.altinstructions and .parainstructions sections when a target module loads. -These sections must be prefixed with ".klp.arch.$objname." so that they can -be easily identified when iterating through a patch module's Elf sections -(See arch/x86/kernel/livepatch.c for a complete example). - -6. Symbol table and Elf section access +5. Symbol table and Elf section access ====================================== A livepatch module's symbol table is accessible through module->symtab. |