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authorHauke Mehrtens <hauke@hauke-m.de>2017-10-29 19:32:10 +0100
committerHauke Mehrtens <hauke@hauke-m.de>2017-12-16 22:11:19 +0100
commitb3f95490b9bec020314eb32016988ee262d52884 (patch)
treef8289c19587108bb3b687575776f559eee6f01fd /target/linux/generic/hack-4.14/321-powerpc_crtsavres_prereq.patch
parenta362df6f253e4460504fd870d6a7af40ef86ad70 (diff)
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kernel: generic: Add kernel 4.14 support
This adds initial support for kernel 4.14 based on the patches for kernel 4.9. In the configuration I deactivated some of the new possible security features like: CONFIG_REFCOUNT_FULL CONFIG_SLAB_FREELIST_HARDENED CONFIG_SOFTLOCKUP_DETECTOR CONFIG_WARN_ALL_UNSEEDED_RANDOM And these overlay FS options are also deactivated: CONFIG_OVERLAY_FS_INDEX CONFIG_OVERLAY_FS_REDIRECT_DIR I activated this: CONFIG_FORTIFY_SOURCE CONFIG_POSIX_TIMERS CONFIG_SLAB_MERGE_DEFAULT CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED I am not sure if I did the porting correct for the following patches: target/linux/generic/backport-4.14/020-backport_netfilter_rtcache.patch target/linux/generic/hack-4.14/220-gc_sections.patch target/linux/generic/hack-4.14/321-powerpc_crtsavres_prereq.patch target/linux/generic/pending-4.14/305-mips_module_reloc.patch target/linux/generic/pending-4.14/611-netfilter_match_bypass_default_table.patch target/linux/generic/pending-4.14/680-NET-skip-GRO-for-foreign-MAC-addresses.patch Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/generic/hack-4.14/321-powerpc_crtsavres_prereq.patch')
-rw-r--r--target/linux/generic/hack-4.14/321-powerpc_crtsavres_prereq.patch38
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/generic/hack-4.14/321-powerpc_crtsavres_prereq.patch b/target/linux/generic/hack-4.14/321-powerpc_crtsavres_prereq.patch
new file mode 100644
index 0000000000..3f81b2e05f
--- /dev/null
+++ b/target/linux/generic/hack-4.14/321-powerpc_crtsavres_prereq.patch
@@ -0,0 +1,38 @@
+From 107c0964cb8db7ca28ac5199426414fdab3c274d Mon Sep 17 00:00:00 2001
+From: "Alexandros C. Couloumbis" <alex@ozo.com>
+Date: Fri, 7 Jul 2017 17:14:51 +0200
+Subject: hack: arch: powerpc: drop register save/restore library from modules
+
+Upstream GCC uses a libgcc function for saving/restoring registers. This
+makes the code bigger, and upstream kernels need to carry that function
+for every single kernel module. Our GCC is patched to avoid those
+references, so we can drop the extra bloat for modules.
+
+lede-commit: e8e1084654f50904e6bf77b70b2de3f137d7b3ec
+Signed-off-by: Alexandros C. Couloumbis <alex@ozo.com>
+---
+ arch/powerpc/Makefile | 1 -
+ 1 file changed, 1 deletion(-)
+
+--- a/arch/powerpc/Makefile
++++ b/arch/powerpc/Makefile
+@@ -59,19 +59,6 @@ machine-$(CONFIG_PPC64) += 64
+ machine-$(CONFIG_CPU_LITTLE_ENDIAN) += le
+ UTS_MACHINE := $(subst $(space),,$(machine-y))
+
+-# XXX This needs to be before we override LD below
+-ifdef CONFIG_PPC32
+-KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
+-else
+-ifeq ($(call ld-ifversion, -ge, 225000000, y),y)
+-# Have the linker provide sfpr if possible.
+-# There is a corresponding test in arch/powerpc/lib/Makefile
+-KBUILD_LDFLAGS_MODULE += --save-restore-funcs
+-else
+-KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
+-endif
+-endif
+-
+ ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y)
+ override LD += -EL
+ LDEMULATION := lppc