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Subject[PATCH] x86/purgatory: strip debug info
Date
It is useless to keep debug info in purgatory. And discarding them saves
about 200K space.

Original:
259080 kexec-purgatory.o
Stripped:
29152 kexec-purgatory.o

Signed-off-by: Pingfan Liu <kernelfans@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Arvind Sankar <nivedita@alum.mit.edu>
Cc: Steve Wahl <steve.wahl@hpe.com>
Cc: linux-kernel@vger.kernel.org
To: x86@kernel.org
---
arch/x86/purgatory/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile
index 088bd76..4340ae6 100644
--- a/arch/x86/purgatory/Makefile
+++ b/arch/x86/purgatory/Makefile
@@ -16,7 +16,7 @@ CFLAGS_sha256.o := -D__DISABLE_EXPORTS

# When linking purgatory.ro with -r unresolved symbols are not checked,
# also link a purgatory.chk binary without -r to check for unresolved symbols.
-PURGATORY_LDFLAGS := -e purgatory_start -nostdlib -z nodefaultlib
+PURGATORY_LDFLAGS := -e purgatory_start -nostdlib -z nodefaultlib -S
LDFLAGS_purgatory.ro := -r $(PURGATORY_LDFLAGS)
LDFLAGS_purgatory.chk := $(PURGATORY_LDFLAGS)
targets += purgatory.ro purgatory.chk
--
2.7.5
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