On Tue, Mar 3, 2020 at 9:20 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote: > > 'make dtbs_check' checks the shecma in addition to building *.dtb files, typo > 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 robust 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@xxxxxxxxxx> > --- > > Makefile | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
