preliminary 2.6.38 support

SVN-Revision: 25057
This commit is contained in:
Imre Kaloz
2011-01-21 17:52:22 +00:00
parent 02bf1599a3
commit c700e57cc7
119 changed files with 68771 additions and 0 deletions

View File

@@ -0,0 +1,21 @@
--- a/Makefile
+++ b/Makefile
@@ -541,7 +541,7 @@ all: vmlinux
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
KBUILD_CFLAGS += -Os
else
-KBUILD_CFLAGS += -O2
+KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch
endif
include $(srctree)/arch/$(SRCARCH)/Makefile
@@ -596,6 +596,9 @@ endif
NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
CHECKFLAGS += $(NOSTDINC_FLAGS)
+# improve gcc optimization
+CFLAGS += $(call cc-option,-funit-at-a-time,)
+
# warn about C99 declaration after statement
KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)