CONFIG_LTO_CLANG_THIN_DIST: Clang ThinLTO in distributed mode (EXPERIMENTAL)

General informations

The Linux kernel configuration item CONFIG_LTO_CLANG_THIN_DIST:

• prompt: Clang ThinLTO in distributed mode (EXPERIMENTAL)
• type: bool
• depends on: CONFIG_HAS_LTO_CLANG && CONFIG_ARCH_SUPPORTS_LTO_CLANG_THIN
• defined in arch/Kconfig
• found in Linux kernels: 7.2-rc+HEAD

Help text

This option enables Clang's ThinLTO in distributed build mode. In this mode, the linker performs the thin-link, generating ThinLTO index files. Subsequently, the build system explicitly invokes ThinLTO backend compilation using these index files and pre-linked IR objects. The resulting native object files are with the .thinlto-native.o suffix.

This build mode offers improved visibility into the ThinLTO process through explicit subcommand exposure. It also makes final native object files directly available, benefiting tools like objtool and kpatch. Additionally, it provides crucial granular control over back-end options, enabling module-specific compiler options, and simplifies debugging.

Hardware

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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