From b2b0770576a90da0a23dd4f96fe1b5af6a7b7908 Mon Sep 17 00:00:00 2001 From: Felix Fietkau <nbd@openwrt.org> Date: Sat, 26 Mar 2011 01:07:16 +0000 Subject: [PATCH] kernel: use -fno-caller-saves SVN-Revision: 26301 --- .../patches-2.6.37/012-extra_optimization.patch | 11 +++++++---- .../patches-2.6.38/012-extra_optimization.patch | 9 ++++++--- 2 files changed, 13 insertions(+), 7 deletions(-) diff --git a/target/linux/generic/patches-2.6.37/012-extra_optimization.patch b/target/linux/generic/patches-2.6.37/012-extra_optimization.patch index d7066486fc..4ffa26e9eb 100644 --- a/target/linux/generic/patches-2.6.37/012-extra_optimization.patch +++ b/target/linux/generic/patches-2.6.37/012-extra_optimization.patch @@ -1,15 +1,18 @@ --- a/Makefile +++ b/Makefile -@@ -540,7 +540,7 @@ all: vmlinux +@@ -538,9 +538,9 @@ + all: vmlinux + ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE - KBUILD_CFLAGS += -Os +-KBUILD_CFLAGS += -Os ++KBUILD_CFLAGS += -Os -fno-caller-saves else -KBUILD_CFLAGS += -O2 -+KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch ++KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch -fno-caller-saves endif include $(srctree)/arch/$(SRCARCH)/Makefile -@@ -595,6 +595,9 @@ endif +@@ -595,6 +595,9 @@ NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) CHECKFLAGS += $(NOSTDINC_FLAGS) diff --git a/target/linux/generic/patches-2.6.38/012-extra_optimization.patch b/target/linux/generic/patches-2.6.38/012-extra_optimization.patch index 4984fad29b..d173e4c753 100644 --- a/target/linux/generic/patches-2.6.38/012-extra_optimization.patch +++ b/target/linux/generic/patches-2.6.38/012-extra_optimization.patch @@ -1,11 +1,14 @@ --- a/Makefile +++ b/Makefile -@@ -541,7 +541,7 @@ all: vmlinux +@@ -539,9 +539,9 @@ endif # $(dot-config) + all: vmlinux + ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE - KBUILD_CFLAGS += -Os +-KBUILD_CFLAGS += -Os ++KBUILD_CFLAGS += -Os -fno-caller-saves else -KBUILD_CFLAGS += -O2 -+KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch ++KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch -fno-caller-saves endif include $(srctree)/arch/$(SRCARCH)/Makefile -- GitLab