kbuild: reduce the number of mkdir calls during modules_install
Calling 'mkdir' for every module results in redundant syscalls. Use $(sort ...) to drop the duplicated directories. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
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@ -9,6 +9,8 @@ __modinst:
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include include/config/auto.conf
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include $(srctree)/scripts/Kbuild.include
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install-y :=
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modules := $(call read-file, $(MODORDER))
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ifeq ($(KBUILD_EXTMOD),)
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@ -27,6 +29,7 @@ suffix-$(CONFIG_MODULE_COMPRESS_XZ) := .xz
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suffix-$(CONFIG_MODULE_COMPRESS_ZSTD) := .zst
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modules := $(patsubst $(extmod_prefix)%.o, $(dst)/%.ko$(suffix-y), $(modules))
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install-$(CONFIG_MODULES) += $(modules)
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__modinst: $(modules)
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@:
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@ -35,7 +38,7 @@ __modinst: $(modules)
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# Installation
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#
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quiet_cmd_install = INSTALL $@
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cmd_install = mkdir -p $(dir $@); cp $< $@
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cmd_install = cp $< $@
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# Strip
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#
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@ -81,6 +84,9 @@ endif
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ifeq ($(modules_sign_only),)
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# Create necessary directories
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$(shell mkdir -p $(sort $(dir $(install-y))))
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$(dst)/%.ko: $(extmod_prefix)%.ko FORCE
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$(call cmd,install)
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$(call cmd,strip)
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