kernel: fix booting issues on imx23 and imx6 targets

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37854 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/generic/patches-3.10/220-gc_sections.patch b/target/linux/generic/patches-3.10/220-gc_sections.patch
index 54caa85..cc40d8e 100644 (file)
--- a/target/linux/generic/patches-3.10/220-gc_sections.patch
+++ b/target/linux/generic/patches-3.10/220-gc_sections.patch
@@ -1,3 +1,15 @@
+From: Felix Fietkau <nbd@openwrt.org>
+
+use -ffunction-sections, -fdata-sections and --gc-sections
+
+In combination with kernel symbol export stripping this significantly reduces
+the kernel image size. Used on both ARM and MIPS architectures.
+
+Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+Signed-off-by: Jonas Gorski <jogo@openwrt.org>
+Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
+---
+
 --- a/arch/mips/Makefile
 +++ b/arch/mips/Makefile
 @@ -89,10 +89,14 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
@@ -475,6 +487,23 @@
                __stop_unwind_tab = .;
        }
  #endif
+@@ -158,14 +158,14 @@ SECTIONS
+        */
+       __vectors_start = .;
+       .vectors 0 : AT(__vectors_start) {
+-              *(.vectors)
++              KEEP(*(.vectors))
+       }
+       . = __vectors_start + SIZEOF(.vectors);
+       __vectors_end = .;
+ 
+       __stubs_start = .;
+       .stubs 0x1000 : AT(__stubs_start) {
+-              *(.stubs)
++              KEEP(*(.stubs))
+       }
+       . = __stubs_start + SIZEOF(.stubs);
+       __stubs_end = .;
 @@ -179,24 +179,24 @@ SECTIONS
        }
        .init.arch.info : {