From ed1e783aa18c4f97f3b4fa555bbc2a68ec3536dd Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 29 Mar 2015 07:35:42 +0000
Subject: [PATCH] kernel: only run kernel module list through version filter
 where version specific items are present - cuts package/kernel/linux/compile
 time in half

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 45131
---
 include/kernel.mk | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/include/kernel.mk b/include/kernel.mk
index 6caf59389d..e3ad69787b 100644
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -88,7 +88,7 @@ define ModuleAutoLoad
 		mods="$$$$$$$$1"; \
 		boot="$$$$$$$$2"; \
 		shift 2; \
-		for mod in $$$$$$$$($(SCRIPT_DIR)/metadata.pl version_filter $(KERNEL_PATCHVER) $$$$$$$$mods); do \
+		for mod in $$$$$$$$mods; do \
 			mkdir -p $(2)/etc/modules.d; \
 			echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$(1); \
 		done; \
@@ -105,7 +105,7 @@ define ModuleAutoLoad
 		mods="$$$$$$$$2"; \
 		boot="$$$$$$$$3"; \
 		shift 3; \
-		for mod in $$$$$$$$($(SCRIPT_DIR)/metadata.pl version_filter $(KERNEL_PATCHVER) $$$$$$$$mods); do \
+		for mod in $$$$$$$$mods; do \
 			mkdir -p $(2)/etc/modules.d; \
 			echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$$$$$$$$priority-$(1); \
 		done; \
@@ -174,7 +174,7 @@ $(call KernelPackage/$(1)/config)
   ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m y,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
     ifneq ($(if $(SDK),$(filter-out $(LINUX_DIR)/%.ko,$(FILES)),$(strip $(FILES))),)
       define Package/kmod-$(1)/install
-		  @for mod in $$$$$$$$($(SCRIPT_DIR)/metadata.pl version_filter $(KERNEL_PATCHVER) $$(FILES)); do \
+		  @for mod in $$(call version_filter,$$(FILES)); do \
 			if [ -e $$$$$$$$mod ]; then \
 				mkdir -p $$(1)/$(MODULES_SUBDIR) ; \
 				$(CP) -L $$$$$$$$mod $$(1)/$(MODULES_SUBDIR)/ ; \
@@ -209,12 +209,14 @@ $(call KernelPackage/$(1)/config)
   $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
 endef
 
+version_filter=$(if $(findstring @,$(1)),$(shell $(SCRIPT_DIR)/metadata.pl version_filter $(KERNEL_PATCHVER) $(1)),$(1))
+
 define AutoLoad
-  add_module "$(1)" "$(2)" "$(3)";
+  add_module "$(1)" "$(call version_filter,$(2))" "$(3)";
 endef
 
 define AutoProbe
-  probe_module "$(1)" "$(2)";
+  probe_module "$(call version_filter,$(1))" "$(2)";
 endef
 
 version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0)