kernel: rework Initramfs compile cpio handling
Now that we copy and then delete the Per-Device rootfs linux directory,
it's not valid anymore placing the generated cpio there as artifacts
or subsequent commands need the generated cpio.
To handle this, rework Initramfs compile cpio handling by placing them in
the KERNEL_BUILD_DIR but add to the name the rootfs HASH ID.
To also prevent race condition, generate and access these file under a
lock to prevent fit command to reference a cpio while a parallel
execution is genereting it.
Fixes: 52cc9d82f1 ("kernel: rework Initramfs locking logic")
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Christian Marangi
parent
98a62f7c8c
commit
bfb2e099e4
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@ -373,7 +373,7 @@ define Build/initrd_compression
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endef
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define Build/fit
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$(TOPDIR)/scripts/mkits.sh \
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$(call locked,$(TOPDIR)/scripts/mkits.sh \
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-D $(DEVICE_NAME) -o $@.its -k $@ \
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-C $(word 1,$(1)) \
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$(if $(word 2,$(1)),\
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@ -383,14 +383,14 @@ define Build/fit
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$(if $(findstring with-rootfs,$(word 3,$(1))),-r $(IMAGE_ROOTFS)) \
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$(if $(findstring with-initrd,$(word 3,$(1))), \
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$(if $(CONFIG_TARGET_ROOTFS_INITRAMFS_SEPARATE), \
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-i $(if $(TARGET_PER_DEVICE_ROOTFS),$(LINUX_DIR).$(ROOTFS_ID/$(DEVICE_NAME)),$(KERNEL_BUILD_DIR))/initrd.cpio$(strip $(call Build/initrd_compression)))) \
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-i $(KERNEL_BUILD_DIR)/initrd$(if $(TARGET_PER_DEVICE_ROOTFS),.$(ROOTFS_ID/$(DEVICE_NAME))).cpio$(strip $(call Build/initrd_compression)))) \
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-a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
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$(if $(DEVICE_FDT_NUM),-n $(DEVICE_FDT_NUM)) \
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$(if $(DEVICE_DTS_DELIMITER),-l $(DEVICE_DTS_DELIMITER)) \
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$(if $(DEVICE_DTS_LOADADDR),-s $(DEVICE_DTS_LOADADDR)) \
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$(if $(DEVICE_DTS_OVERLAY),$(foreach dtso,$(DEVICE_DTS_OVERLAY), -O $(dtso):$(KERNEL_BUILD_DIR)/image-$(dtso).dtbo)) \
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-c $(if $(DEVICE_DTS_CONFIG),$(DEVICE_DTS_CONFIG),"config-1") \
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-A $(LINUX_KARCH) -v $(LINUX_VERSION)
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-A $(LINUX_KARCH) -v $(LINUX_VERSION), gen-cpio$(if $(TARGET_PER_DEVICE_ROOTFS),.$(ROOTFS_ID/$(DEVICE_NAME))))
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PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage $(if $(findstring external,$(word 3,$(1))),\
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-E -B 0x1000 $(if $(findstring static,$(word 3,$(1))),-p 0x1000)) -f $@.its $@.new
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@mv $@.new $@
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@ -191,25 +191,27 @@ define Kernel/CompileImage/Initramfs
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$(CP) $(GENERIC_PLATFORM_DIR)/other-files/init $(if $(1),$(1),$(TARGET_DIR))/init; \
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$(if $(SOURCE_DATE_EPOCH),touch -hcd "@$(SOURCE_DATE_EPOCH)" $(if $(1),$(1),$(TARGET_DIR)) $(if $(1),$(1),$(TARGET_DIR))/init;) \
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$(if $(CONFIG_TARGET_ROOTFS_INITRAMFS_SEPARATE), \
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$(if $(call qstrip,$(CONFIG_EXTERNAL_CPIO)), \
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$(CP) $(CONFIG_EXTERNAL_CPIO) $(KERNEL_BUILD_DIR)/initrd.cpio;,\
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( cd $(if $(1),$(1),$(TARGET_DIR)); find . | LC_ALL=C sort | $(STAGING_DIR_HOST)/bin/cpio --reproducible -o -H newc -R 0:0 > $(if $(2),$(LINUX_DIR)$(2),$(KERNEL_BUILD_DIR))/initrd.cpio );) \
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$(if $(SOURCE_DATE_EPOCH), \
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touch -hcd "@$(SOURCE_DATE_EPOCH)" $(if $(2),$(LINUX_DIR)$(2),$(KERNEL_BUILD_DIR))/initrd.cpio;) \
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$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_BZIP2), \
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$(STAGING_DIR_HOST)/bin/bzip2 -9 -c < $(if $(2),$(LINUX_DIR)$(2),$(KERNEL_BUILD_DIR))/initrd.cpio > $(if $(2),$(LINUX_DIR)$(2),$(KERNEL_BUILD_DIR))/initrd.cpio.bzip2;) \
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$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_GZIP), \
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$(STAGING_DIR_HOST)/bin/libdeflate-gzip -n -f -S .gzip -12 $(if $(2),$(LINUX_DIR)$(2),$(KERNEL_BUILD_DIR))/initrd.cpio;) \
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$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZ4), \
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$(STAGING_DIR_HOST)/bin/lz4c -l -c1 -fz --favor-decSpeed $(if $(2),$(LINUX_DIR)$(2),$(KERNEL_BUILD_DIR))/initrd.cpio;) \
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$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZMA), \
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$(STAGING_DIR_HOST)/bin/lzma e -lc1 -lp2 -pb2 $(if $(2),$(LINUX_DIR)$(2),$(KERNEL_BUILD_DIR))/initrd.cpio $(if $(2),$(LINUX_DIR)$(2),$(KERNEL_BUILD_DIR))/initrd.cpio.lzma;) \
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$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZO), \
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$(STAGING_DIR_HOST)/bin/lzop -9 -f $(if $(2),$(LINUX_DIR)$(2),$(KERNEL_BUILD_DIR))/initrd.cpio;) \
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$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_XZ), \
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$(STAGING_DIR_HOST)/bin/xz -T$(if $(filter 1,$(NPROC)),2,0) -9 -fz --check=crc32 $(if $(2),$(LINUX_DIR)$(2),$(KERNEL_BUILD_DIR))/initrd.cpio;) \
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$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_ZSTD), \
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$(STAGING_DIR_HOST)/bin/zstd -T0 -f -o $(if $(2),$(LINUX_DIR)$(2),$(KERNEL_BUILD_DIR))/initrd.cpio.zstd $(if $(2),$(LINUX_DIR)$(2),$(KERNEL_BUILD_DIR))/initrd.cpio;) \
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$(call locked,{ \
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$(if $(call qstrip,$(CONFIG_EXTERNAL_CPIO)), \
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$(CP) $(CONFIG_EXTERNAL_CPIO) $(KERNEL_BUILD_DIR)/initrd$(2).cpio;,\
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( cd $(if $(1),$(1),$(TARGET_DIR)); find . | LC_ALL=C sort | $(STAGING_DIR_HOST)/bin/cpio --reproducible -o -H newc -R 0:0 > $(KERNEL_BUILD_DIR)/initrd$(2).cpio );) \
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$(if $(SOURCE_DATE_EPOCH), \
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touch -hcd "@$(SOURCE_DATE_EPOCH)" $(KERNEL_BUILD_DIR)/initrd$(2).cpio;) \
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$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_BZIP2), \
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$(STAGING_DIR_HOST)/bin/bzip2 -9 -c < $(KERNEL_BUILD_DIR)/initrd$(2).cpio > $(KERNEL_BUILD_DIR)/initrd$(2).cpio.bzip2;) \
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$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_GZIP), \
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$(STAGING_DIR_HOST)/bin/libdeflate-gzip -n -f -S .gzip -12 $(KERNEL_BUILD_DIR)/initrd$(2).cpio;) \
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$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZ4), \
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$(STAGING_DIR_HOST)/bin/lz4c -l -c1 -fz --favor-decSpeed $(KERNEL_BUILD_DIR)/initrd$(2).cpio;) \
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$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZMA), \
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$(STAGING_DIR_HOST)/bin/lzma e -lc1 -lp2 -pb2 $(KERNEL_BUILD_DIR)/initrd$(2).cpio $(KERNEL_BUILD_DIR)/initrd$(2).cpio.lzma;) \
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$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZO), \
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$(STAGING_DIR_HOST)/bin/lzop -9 -f $(KERNEL_BUILD_DIR)/initrd$(2).cpio;) \
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$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_XZ), \
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$(STAGING_DIR_HOST)/bin/xz -T$(if $(filter 1,$(NPROC)),2,0) -9 -fz --check=crc32 $(KERNEL_BUILD_DIR)/initrd$(2).cpio;) \
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$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_ZSTD), \
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$(STAGING_DIR_HOST)/bin/zstd -T0 -f -o $(KERNEL_BUILD_DIR)/initrd$(2).cpio.zstd $(KERNEL_BUILD_DIR)/initrd$(2).cpio;) \
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}, gen-cpio$(2)); \
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$(if $(2),,$(KERNEL_MAKE) $(KERNEL_MAKEOPTS_IMAGE) $(if $(KERNELNAME),$(KERNELNAME),all);),\
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$(KERNEL_MAKE) $(if $(2),-C $(LINUX_DIR)$(2)) $(KERNEL_MAKEOPTS_IMAGE) $(if $(KERNELNAME),$(KERNELNAME),all);) \
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$(call Kernel/CopyImage,-initramfs,$(2)); \
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