path: root/Makefile
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authorLee Jones <>2016-01-12 14:24:18 +0000
committerMichal Marek <>2016-01-12 16:07:03 +0100
commit7599ea8b4e25fd8dea26cb64f100cf265d1e6bf3 (patch)
tree322eaed9049b683a24d2ae8192c1d6e59e227cb8 /Makefile
parent40ab87a4003c7952976ce901a2b9ece5ed833168 (diff)
kbuild: Demote 'sign-compare' warning to W=2
Ideally, a kernel compile with W=1 enabled should complete cleanly; however, when we run one currently we are presented with ~25k warnings. 'sign-compare' accounts for ~22k of those ~25k. In this patch we're demoting 'sign-compare' warnings to W=2, with a view to fixing the remaining 3k W=1 warnings required for a clean build. Arnd adds: "As per our discussion, I'd add that this was inadvertedly introduced by Behan when he moved the clang specific warnings into an ifdef block and did not notice that -Wsign-compare was interpreted by both gcc and clang. Earlier, it was introduced in just the same way by Jan-Simon as part of 3d3d6b847420 ("kbuild: LLVMLinux: Adapt warnings for compilation with clang")." Acked-by: Arnd Bergmann <> Fixes: 26ea6bb1fef0 ("kbuild, LLVMLinux: Supress warnings unless W=1-3") Signed-off-by: Lee Jones <> Signed-off-by: Michal Marek <>
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