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| author | Rafał Miłecki <rafal@milecki.pl> | 2022-06-15 10:41:37 +0200 |
|---|---|---|
| committer | Rafał Miłecki <rafal@milecki.pl> | 2022-07-08 11:28:01 +0200 |
| commit | 614a4200841ed2cbd101cdce0966bc291d01642f (patch) | |
| tree | 05f84aaa993c5c4a0b3e6f6e151f5eac2e123542 | |
| parent | f854de6adaba7671f223b436b53244097589cf86 (diff) | |
| download | upstream-614a4200841ed2cbd101cdce0966bc291d01642f.tar.gz upstream-614a4200841ed2cbd101cdce0966bc291d01642f.tar.bz2 upstream-614a4200841ed2cbd101cdce0966bc291d01642f.zip | |
kernel: use KCFLAGS for passing EXTRA_OPTIMIZATION flags
This uses kernel's generic variable and doesn't require patching it with
a custom Makefile change. It's expected *not* to change any behaviour.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit 1d42af720c6b6dcfcdd0b89bce386fca1607dcb3)
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
(cherry picked from commit 24e27bec9a6df1511a504cf04cd9578a23e74657)
| -rw-r--r-- | include/kernel.mk | 2 | ||||
| -rw-r--r-- | rules.mk | 1 | ||||
| -rw-r--r-- | target/linux/generic/pending-5.10/201-extra_optimization.patch | 12 |
3 files changed, 4 insertions, 11 deletions
diff --git a/include/kernel.mk b/include/kernel.mk index e4074a48f4..5057d8bf6f 100644 --- a/include/kernel.mk +++ b/include/kernel.mk @@ -101,7 +101,7 @@ endif KERNEL_MAKE = $(MAKE) $(KERNEL_MAKEOPTS) KERNEL_MAKE_FLAGS = \ - KCFLAGS="$(call iremap,$(BUILD_DIR),$(notdir $(BUILD_DIR)))" \ + KCFLAGS="$(call iremap,$(BUILD_DIR),$(notdir $(BUILD_DIR))) $(filter-out -fno-plt,$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION)))" \ HOSTCFLAGS="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \ CROSS_COMPILE="$(KERNEL_CROSS)" \ ARCH="$(LINUX_KARCH)" \ @@ -62,7 +62,6 @@ ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES)) BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD)) SUBTARGET:=$(call qstrip,$(CONFIG_TARGET_SUBTARGET)) TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION)) -export EXTRA_OPTIMIZATION:=$(filter-out -fno-plt,$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))) TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX)) BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX)) SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR}) diff --git a/target/linux/generic/pending-5.10/201-extra_optimization.patch b/target/linux/generic/pending-5.10/201-extra_optimization.patch index cb1de80764..dcf39c574f 100644 --- a/target/linux/generic/pending-5.10/201-extra_optimization.patch +++ b/target/linux/generic/pending-5.10/201-extra_optimization.patch @@ -14,18 +14,12 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> --- a/Makefile +++ b/Makefile -@@ -735,11 +735,11 @@ KBUILD_CFLAGS += $(call cc-disable-warni - KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) - - ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE --KBUILD_CFLAGS += -O2 -+KBUILD_CFLAGS += -O2 $(EXTRA_OPTIMIZATION) +@@ -739,7 +739,7 @@ KBUILD_CFLAGS += -O2 else ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3 --KBUILD_CFLAGS += -O3 -+KBUILD_CFLAGS += -O3 $(EXTRA_OPTIMIZATION) + KBUILD_CFLAGS += -O3 else ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE -KBUILD_CFLAGS += -Os -+KBUILD_CFLAGS += -Os -fno-reorder-blocks -fno-tree-ch $(EXTRA_OPTIMIZATION) ++KBUILD_CFLAGS += -Os -fno-reorder-blocks -fno-tree-ch endif # Tell gcc to never replace conditional load with a non-conditional one |