[PATCH v2 4/4] x86: enable llvm-cov support
STALE200d
REVIEWED: 2 (0M)
From: Wentao Zhang <hidden>
Date: 2024-09-05 04:35:01
Also in:
linux-arch, linux-efi, linux-kbuild, linux-um, lkml, llvm
Subsystem:
the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
2 review trailers.
Set ARCH_HAS_* options to "y" in kconfig and include section description in linker script. Signed-off-by: Wentao Zhang <redacted> Reviewed-by: Chuck Wolber <redacted> Tested-by: Chuck Wolber <redacted> --- arch/x86/Kconfig | 2 ++ arch/x86/kernel/vmlinux.lds.S | 2 ++ 2 files changed, 4 insertions(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 007bab9f2..e0a8f7b42 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig@@ -85,6 +85,8 @@ config X86 select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_HAS_KCOV if X86_64 + select ARCH_HAS_LLVM_COV if X86_64 + select ARCH_HAS_LLVM_COV_PROFILE_ALL if X86_64 select ARCH_HAS_KERNEL_FPU_SUPPORT select ARCH_HAS_MEM_ENCRYPT select ARCH_HAS_MEMBARRIER_SYNC_CORE
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 6e73403e8..904337722 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S@@ -191,6 +191,8 @@ SECTIONS BUG_TABLE + LLVM_COV_DATA + ORC_UNWIND_TABLE . = ALIGN(PAGE_SIZE);
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2.45.2