[tip: efi/urgent] efi/libstub/arm64: link stub lib.a conditionally

[tip-bot2 for Masahiro Yamada]

The following commit has been merged into the efi/urgent branch of tip:

Commit-ID:     c1aac64ddc01112e137121a43645b96c3633c41b
Gitweb:        https://git.kernel.org/tip/c1aac64ddc01112e137121a43645b96c3633c41b
Author:        Masahiro Yamada <masahiroy@xxxxxxxxxx>
AuthorDate:    Thu, 04 Jun 2020 11:20:30 +09:00
Committer:     Ard Biesheuvel <ardb@xxxxxxxxxx>
CommitterDate: Thu, 09 Jul 2020 09:45:09 +03:00

efi/libstub/arm64: link stub lib.a conditionally

Since commit 799c43415442 ("kbuild: thin archives make default for
all archs"), core-y is passed to the linker with --whole-archive.
Hence, the whole of stub library is linked to vmlinux.

Use libs-y so that lib.a is passed after --no-whole-archive for
conditional linking.

The unused drivers/firmware/efi/libstub/relocate.o will be dropped
for ARCH=arm64.

Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20200604022031.164207-1-masahiroy@xxxxxxxxxx
Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
---
 arch/arm64/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 76359cf..4621fb6 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -143,7 +143,7 @@ export	TEXT_OFFSET
 
 core-y		+= arch/arm64/
 libs-y		:= arch/arm64/lib/ $(libs-y)
-core-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
+libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
 
 # Default target when executing plain make
 boot		:= arch/arm64/boot