linux-kernel - [PATCH 2/2] s390/decompressor: support link map saving

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Message-ID: <patch-2.thread-ba6b03.git-ba6b036ed181.your-ad-here.call-01603453670-ext-0242@work.hours>
Date:   Fri, 23 Oct 2020 13:57:41 +0200
From:   Vasily Gorbik <gor@...ux.ibm.com>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     Michal Marek <michal.lkml@...kovi.net>,
        linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org
Subject: [PATCH 2/2] s390/decompressor: support link map saving

Produce arch/s390/boot/compressed/vmlinux.map link map for the
decompressor, when CONFIG_SAVE_LINK_MAP option is enabled.

Signed-off-by: Vasily Gorbik <gor@...ux.ibm.com>
---
 arch/s390/boot/compressed/Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile
index b235ed95a3d8..859a5c7c9ca7 100644
--- a/arch/s390/boot/compressed/Makefile
+++ b/arch/s390/boot/compressed/Makefile
@@ -21,7 +21,9 @@ OBJCOPYFLAGS :=
 
 OBJECTS := $(addprefix $(obj)/,$(obj-y))
 
-LDFLAGS_vmlinux := --oformat $(LD_BFD) -e startup -T
+clean-files += vmlinux.map
+
+LDFLAGS_vmlinux := --oformat $(LD_BFD) -e startup $(if $(CONFIG_SAVE_LINK_MAP),-Map=$(obj)/vmlinux.map) -T
 $(obj)/vmlinux: $(obj)/vmlinux.lds $(objtree)/arch/s390/boot/startup.a $(OBJECTS) FORCE
 	$(call if_changed,ld)
 
-- 
2.25.4