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| author | Masahiro Yamada <masahiroy@kernel.org> | 2020-11-28 12:51:03 +0100 |
|---|---|---|
| committer | Masahiro Yamada <masahiroy@kernel.org> | 2020-12-21 05:56:58 +0100 |
| commit | 8c4d9b145ba39fa31fd225e9051dd562260b6460 (patch) | |
| tree | 84bbeaa75e8d0e137d4ef486c0e5fa0359405fd2 /Documentation/kbuild/modules.rst | |
| parent | kbuild: doc: update the description about kbuild Makefiles (diff) | |
| download | linux-8c4d9b145ba39fa31fd225e9051dd562260b6460.tar.xz linux-8c4d9b145ba39fa31fd225e9051dd562260b6460.zip | |
kbuild: doc: replace arch/$(ARCH)/ with arch/$(SRCARCH)/
Precisely speaking, the arch directory is specified by $(SRCARCH),
not $(ARCH).
In old days, $(ARCH) actually matched to the arch directory because
32-bit and 64-bit were supported as separate architectures.
Most architectures (except arm/arm64) were unified like follows:
arch/i386, arch/x86_64 -> arch/x86
arch/sh, arch/sh64 -> arch/sh
arch/sparc, arch/sparc64 -> arch/sparc
To not break the user interface, commit 6752ed90da03 ("Kbuild: allow
arch/xxx to use a different source path") introduced SRCARCH to point
to the arch directory, still allowing to pass in the former ARCH=i386
or ARCH=x86_64.
Update the documents for preciseness, and add the explanation of SRCARCH.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Diffstat (limited to 'Documentation/kbuild/modules.rst')
| -rw-r--r-- | Documentation/kbuild/modules.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/kbuild/modules.rst b/Documentation/kbuild/modules.rst index 85ccc878895e..a1f3eb7a43e2 100644 --- a/Documentation/kbuild/modules.rst +++ b/Documentation/kbuild/modules.rst @@ -332,7 +332,7 @@ according to the following rule: There are two notable exceptions to this rule: larger subsystems have their own directory under include/, such as include/scsi; and architecture specific headers are located - under arch/$(ARCH)/include/. + under arch/$(SRCARCH)/include/. 4.1 Kernel Includes ------------------- |