linux-kernel - [PATCH] arm64: vdso: Explicitly add build-id option

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Date:   Wed, 15 May 2019 12:48:24 -0700
From:   Laura Abbott <labbott@...hat.com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Will Deacon <will.deacon@....com>
Cc:     Laura Abbott <labbott@...hat.com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] arm64: vdso: Explicitly add build-id option

Commit 691efbedc60d ("arm64: vdso: use $(LD) instead of $(CC) to
link VDSO") switched to using LD explicitly. The --build-id option
needs to be passed explicitly, similar to x86. Add this option.

Fixes: 691efbedc60d ("arm64: vdso: use $(LD) instead of $(CC) to link VDSO")
Signed-off-by: Laura Abbott <labbott@...hat.com>
---
 arch/arm64/kernel/vdso/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
index 744b9dbaba03..ca209103cd06 100644
--- a/arch/arm64/kernel/vdso/Makefile
+++ b/arch/arm64/kernel/vdso/Makefile
@@ -13,6 +13,7 @@ targets := $(obj-vdso) vdso.so vdso.so.dbg
 obj-vdso := $(addprefix $(obj)/, $(obj-vdso))
 
 ldflags-y := -shared -nostdlib -soname=linux-vdso.so.1 \
+		$(call ld-option, --build-id) \
 		$(call ld-option, --hash-style=sysv) -n -T
 
 # Disable gcov profiling for VDSO code
-- 
2.21.0