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-rw-r--r--arch/ppc/boot/images/Makefile7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/ppc/boot/images/Makefile b/arch/ppc/boot/images/Makefile
index c9ac5f5fa9e4..532e7ef1edb6 100644
--- a/arch/ppc/boot/images/Makefile
+++ b/arch/ppc/boot/images/Makefile
@@ -6,12 +6,17 @@ MKIMAGE := $(srctree)/scripts/mkuboot.sh
extra-y := vmlinux.bin vmlinux.gz
+# two make processes may write to vmlinux.gz at the same time with make -j
+quiet_cmd_mygzip = GZIP $@
+cmd_mygzip = gzip -f -9 < $< > $@.$$$$ && mv $@.$$$$ $@
+
+
OBJCOPYFLAGS_vmlinux.bin := -O binary
$(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
$(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE
- $(call if_changed,gzip)
+ $(call if_changed,mygzip)
quiet_cmd_uimage = UIMAGE $@
cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A ppc -O linux -T kernel \