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* [PATCH 1/3] kbuild: Remove -Wno-format-invalid-specifier from clang block
@ 2021-08-16 20:20 Nathan Chancellor
  2021-08-16 20:20 ` [PATCH 2/3] kbuild: Add a comment above -Wno-gnu Nathan Chancellor
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: Nathan Chancellor @ 2021-08-16 20:20 UTC (permalink / raw)
  To: Masahiro Yamada, Nick Desaulniers
  Cc: linux-kbuild, linux-kernel, clang-built-linux, Nathan Chancellor

Turning on -Wformat does not reveal any instances of this warning across
several different builds so remove this line to keep the number of
disabled warnings as slim as possible.

This has been disabled since commit 61163efae020 ("kbuild: LLVMLinux:
Add Kbuild support for building kernel with Clang"), which does not
explain exactly why it was turned off but since it was so long ago in
terms of both the kernel and LLVM so it is possible that some bug got
fixed along the way.

Signed-off-by: Nathan Chancellor <nathan@kernel.org>
---
 Makefile | 1 -
 1 file changed, 1 deletion(-)

diff --git a/Makefile b/Makefile
index 891866af0787..3900f5824721 100644
--- a/Makefile
+++ b/Makefile
@@ -777,7 +777,6 @@ KBUILD_CFLAGS += $(stackp-flags-y)
 
 ifdef CONFIG_CC_IS_CLANG
 KBUILD_CPPFLAGS += -Qunused-arguments
-KBUILD_CFLAGS += -Wno-format-invalid-specifier
 KBUILD_CFLAGS += -Wno-gnu
 # CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the
 # source of a reference will be _MergedGlobals and not on of the whitelisted names.

base-commit: f12b034afeb3a977bbb1c6584dedc0f3dc666f14
-- 
2.33.0.rc2


^ permalink raw reply	[flat|nested] 5+ messages in thread

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2021-08-16 20:20 [PATCH 1/3] kbuild: Remove -Wno-format-invalid-specifier from clang block Nathan Chancellor
2021-08-16 20:20 ` [PATCH 2/3] kbuild: Add a comment above -Wno-gnu Nathan Chancellor
2021-08-16 20:20 ` [PATCH 3/3] kbuild: Shuffle blank line to improve comment meaning Nathan Chancellor
2021-08-16 21:39 ` [PATCH 1/3] kbuild: Remove -Wno-format-invalid-specifier from clang block Nick Desaulniers
2021-08-19  0:16 ` Masahiro Yamada

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