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| H A D | Makefile | diff b5154bf6 Tue Mar 03 08:20:36 MST 2020 Masahiro Yamada <masahiroy@kernel.org> kbuild: avoid concurrency issue in parallel building dtbs and dtbs_check 'make dtbs_check' checks the shecma in addition to building *.dtb files, in other words, 'make dtbs_check' is a super-set of 'make dtbs'. So, you do not have to do 'make dtbs dtbs_check', but I want to keep the build system as robust as possible in any use. Currently, 'dtbs' and 'dtbs_check' are independent of each other. In parallel building, two threads descend into arch/*/boot/dts/, one for dtbs and the other for dtbs_check, then end up with building the same DTB simultaneously. This commit fixes the concurrency issue. Otherwise, I see build errors like follows: $ make ARCH=arm64 defconfig $ make -j16 ARCH=arm64 DT_SCHEMA_FILES=Documentation/devicetree/bindings/arm/psci.yaml dtbs dtbs_check <snip> DTC arch/arm64/boot/dts/qcom/sdm845-cheza-r2.dtb DTC arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtb DTC arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dtb DTC arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dtb DTC arch/arm64/boot/dts/freescale/imx8mn-evk.dtb DTC arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dtb DTC arch/arm64/boot/dts/zte/zx296718-pcbox.dtb DTC arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dt.yaml DTC arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dtb DTC arch/arm64/boot/dts/xilinx/zynqmp-zc1254-revA.dtb DTC arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dtb DTC arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet-inx.dtb DTC arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dtb CHECK arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dt.yaml fixdep: error opening file: arch/arm64/boot/dts/allwinner/.sun50i-h6-orangepi-lite2.dtb.d: No such file or directory make[2]: *** [scripts/Makefile.lib:296: arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dtb] Error 2 make[2]: *** Deleting file 'arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dtb' make[2]: *** Waiting for unfinished jobs.... DTC arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet-kd.dtb DTC arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p231.dtb DTC arch/arm64/boot/dts/xilinx/zynqmp-zc1275-revA.dtb DTC arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dtb fixdep: parse error; no targets found make[2]: *** [scripts/Makefile.lib:296: arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dtb] Error 1 make[2]: *** Deleting file 'arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dtb' make[1]: *** [scripts/Makefile.build:505: arch/arm64/boot/dts/allwinner] Error 2 make[1]: *** Waiting for unfinished jobs.... DTC arch/arm64/boot/dts/renesas/r8a77951-salvator-xs.dtb Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> diff 505b12b3 Wed Feb 12 21:40:57 MST 2020 Randy Dunlap <rdunlap@infradead.org> kbuild: add comment for V=2 mode Complete the comments for valid values of KBUILD_VERBOSE, specifically for KBUILD_VERBOSE=2. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> diff 505b12b3 Wed Feb 12 21:40:57 MST 2020 Randy Dunlap <rdunlap@infradead.org> kbuild: add comment for V=2 mode Complete the comments for valid values of KBUILD_VERBOSE, specifically for KBUILD_VERBOSE=2. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> diff b5154bf6 Tue Mar 03 08:20:36 MST 2020 Masahiro Yamada <masahiroy@kernel.org> kbuild: avoid concurrency issue in parallel building dtbs and dtbs_check 'make dtbs_check' checks the shecma in addition to building *.dtb files, in other words, 'make dtbs_check' is a super-set of 'make dtbs'. So, you do not have to do 'make dtbs dtbs_check', but I want to keep the build system as robust as possible in any use. Currently, 'dtbs' and 'dtbs_check' are independent of each other. In parallel building, two threads descend into arch/*/boot/dts/, one for dtbs and the other for dtbs_check, then end up with building the same DTB simultaneously. This commit fixes the concurrency issue. Otherwise, I see build errors like follows: $ make ARCH=arm64 defconfig $ make -j16 ARCH=arm64 DT_SCHEMA_FILES=Documentation/devicetree/bindings/arm/psci.yaml dtbs dtbs_check <snip> DTC arch/arm64/boot/dts/qcom/sdm845-cheza-r2.dtb DTC arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtb DTC arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dtb DTC arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dtb DTC arch/arm64/boot/dts/freescale/imx8mn-evk.dtb DTC arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dtb DTC arch/arm64/boot/dts/zte/zx296718-pcbox.dtb DTC arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dt.yaml DTC arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dtb DTC arch/arm64/boot/dts/xilinx/zynqmp-zc1254-revA.dtb DTC arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dtb DTC arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet-inx.dtb DTC arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dtb CHECK arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dt.yaml fixdep: error opening file: arch/arm64/boot/dts/allwinner/.sun50i-h6-orangepi-lite2.dtb.d: No such file or directory make[2]: *** [scripts/Makefile.lib:296: arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dtb] Error 2 make[2]: *** Deleting file 'arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dtb' make[2]: *** Waiting for unfinished jobs.... DTC arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet-kd.dtb DTC arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p231.dtb DTC arch/arm64/boot/dts/xilinx/zynqmp-zc1275-revA.dtb DTC arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dtb fixdep: parse error; no targets found make[2]: *** [scripts/Makefile.lib:296: arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dtb] Error 1 make[2]: *** Deleting file 'arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dtb' make[1]: *** [scripts/Makefile.build:505: arch/arm64/boot/dts/allwinner] Error 2 make[1]: *** Waiting for unfinished jobs.... DTC arch/arm64/boot/dts/renesas/r8a77951-salvator-xs.dtb Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> diff 505b12b3 Wed Feb 12 21:40:57 MST 2020 Randy Dunlap <rdunlap@infradead.org> kbuild: add comment for V=2 mode Complete the comments for valid values of KBUILD_VERBOSE, specifically for KBUILD_VERBOSE=2. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> diff 505b12b3 Wed Feb 12 21:40:57 MST 2020 Randy Dunlap <rdunlap@infradead.org> kbuild: add comment for V=2 mode Complete the comments for valid values of KBUILD_VERBOSE, specifically for KBUILD_VERBOSE=2. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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