path: root/arch/arc
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authorMasahiro Yamada <yamada.masahiro@socionext.com>2019-01-03 10:10:38 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2019-01-06 09:46:51 +0900
commit919987318a129b4d0c2203a3c6fd2d804be77100 (patch)
treee072c3709d30b9383ada73673ef9ee4dcc79e9c1 /arch/arc
parentd4ce5458ea1b7d8ca49c436d602095c4912777d3 (diff)
kbuild: generate asm-generic wrappers if mandatory headers are missing
Some time ago, Sam pointed out a certain degree of overwrap between generic-y and mandatory-y. (https://lkml.org/lkml/2017/7/10/121) I tweaked the meaning of mandatory-y a little bit; now it defines the minimum set of ASM headers that all architectures must have. If arch does not have specific implementation of a mandatory header, Kbuild will let it fallback to the asm-generic one by automatically generating a wrapper. This will allow to drop lots of redundant generic-y defines. Previously, "mandatory" was used in the context of UAPI, but I guess this can be extended to kernel space ASM headers. Suggested-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'arch/arc')
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