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authorKees Cook <keescook@chromium.org>2020-08-21 12:42:51 -0700
committerIngo Molnar <mingo@kernel.org>2020-09-01 09:50:36 +0200
commit6e0a66d10c5b629369afa47b753d0ec46fa812dd (patch)
tree5cec7b527455b68a4fc7a4db89307cf803376d69 /arch/arm64/kernel
parent34b4a5c54c429d12bcc783a27650752237c49a36 (diff)
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arm64/build: Remove .eh_frame* sections due to unwind tables
Avoid .eh_frame* section generation by making sure both CFLAGS and AFLAGS contain -fno-asychronous-unwind-tables and -fno-unwind-tables. With all sources of .eh_frame now removed from the build, drop this DISCARD so we can be alerted in the future if it returns unexpectedly once orphan section warnings have been enabled. Suggested-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20200821194310.3089815-11-keescook@chromium.org
Diffstat (limited to 'arch/arm64/kernel')
-rw-r--r--arch/arm64/kernel/vmlinux.lds.S1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 13fc2ec46aae..c2b8426bf4bd 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -94,7 +94,6 @@ SECTIONS
*(.discard.*)
*(.interp .dynamic)
*(.dynsym .dynstr .hash .gnu.hash)
- *(.eh_frame)
}
. = KIMAGE_VADDR + TEXT_OFFSET;