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Date: Thu, 25 Jan 2024 15:55:08 -0700
From: Nathan Chancellor <nathan@...nel.org>
To: akpm@...ux-foundation.org, masahiroy@...nel.org
Cc: nicolas@...sle.eu, linux-kbuild@...r.kernel.org, llvm@...ts.linux.dev,
patches@...ts.linux.dev, linux-kernel@...r.kernel.org,
Nathan Chancellor <nathan@...nel.org>
Subject: [PATCH 02/11] Makefile: Drop warn-stack-size plugin opt
Now that the minimum supported version of LLVM for building the kernel
has been bumped to 13.0.1, the inner ifeq statement is always false, as
the build will fail during the configuration stage for older LLVM
versions.
This effectively reverts commit 24845dcb170e ("Makefile: LTO: have
linker check -Wframe-larger-than") and its follow up fix,
commit 0236526d76b8 ("Makefile: lto: Pass -warn-stack-size only on LLD <
13.0.0").
Signed-off-by: Nathan Chancellor <nathan@...nel.org>
---
Makefile | 8 --------
1 file changed, 8 deletions(-)
diff --git a/Makefile b/Makefile
index 9869f57c3fb3..885b2940e20d 100644
--- a/Makefile
+++ b/Makefile
@@ -951,14 +951,6 @@ CC_FLAGS_LTO += -fvisibility=hidden
# Limit inlining across translation units to reduce binary size
KBUILD_LDFLAGS += -mllvm -import-instr-limit=5
-
-# Check for frame size exceeding threshold during prolog/epilog insertion
-# when using lld < 13.0.0.
-ifneq ($(CONFIG_FRAME_WARN),0)
-ifeq ($(call test-lt, $(CONFIG_LLD_VERSION), 130000),y)
-KBUILD_LDFLAGS += -plugin-opt=-warn-stack-size=$(CONFIG_FRAME_WARN)
-endif
-endif
endif
ifdef CONFIG_LTO
--
2.43.0
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