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authorJonas Gorski <jogo@openwrt.org>2015-12-02 22:23:22 +0000
committerJonas Gorski <jogo@openwrt.org>2015-12-02 22:23:22 +0000
commit621677154f39f2e0b698a558b8b795db84a8e014 (patch)
tree3c4d60241f9ad7f52f12aa022af8b5a684b2ab08 /target/linux/generic/patches-4.4/320-ppc4xx_optimization.patch
parent4454a3fb6375cf1adf17f63a54cd7660bc40caa7 (diff)
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kernel: add linux 4.4 support
Based on 4.4-rc3. Runtime tested on MIPS. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 47701
Diffstat (limited to 'target/linux/generic/patches-4.4/320-ppc4xx_optimization.patch')
-rw-r--r--target/linux/generic/patches-4.4/320-ppc4xx_optimization.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.4/320-ppc4xx_optimization.patch b/target/linux/generic/patches-4.4/320-ppc4xx_optimization.patch
new file mode 100644
index 0000000..c1ce37d
--- /dev/null
+++ b/target/linux/generic/patches-4.4/320-ppc4xx_optimization.patch
@@ -0,0 +1,31 @@
+Upstream doesn't optimize the kernel and bootwrappers for ppc44x because
+they still want to support gcc 3.3 -- well, we don't.
+
+--- a/arch/powerpc/Makefile
++++ b/arch/powerpc/Makefile
+@@ -205,7 +205,8 @@ ifeq ($(CONFIG_FUNCTION_TRACER),y)
+ KBUILD_CFLAGS += -mno-sched-epilog
+ endif
+
+-cpu-as-$(CONFIG_4xx) += -Wa,-m405
++cpu-as-$(CONFIG_40x) += -Wa,-m405
++cpu-as-$(CONFIG_44x) += -Wa,-m440
+ cpu-as-$(CONFIG_ALTIVEC) += -Wa,-maltivec
+ cpu-as-$(CONFIG_E200) += -Wa,-me200
+
+--- a/arch/powerpc/boot/Makefile
++++ b/arch/powerpc/boot/Makefile
+@@ -48,10 +48,10 @@ BOOTCFLAGS += -I$(obj) -I$(srctree)/$(ob
+ DTC_FLAGS ?= -p 1024
+
+ $(obj)/4xx.o: BOOTCFLAGS += -mcpu=405
+-$(obj)/ebony.o: BOOTCFLAGS += -mcpu=405
++$(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
+ $(obj)/cuboot-hotfoot.o: BOOTCFLAGS += -mcpu=405
+-$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=405
+-$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405
++$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440
++$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
+ $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
+ $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
+ $(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405