linux-efika: Moved from 2.6.20.11-cfs to .20.20-cfs. Needed div64_32() symbol weakening in lib.

5 files changed, 42 insertions, 12 deletions

diff --git a/packages/linux/linux-efika-2.6.20.11/.mtn2git_empty b/packages/linux/linux-efika-2.6.20.20/.mtn2git_empty
index e69de29bb2..e69de29bb2 100644
--- a/packages/linux/linux-efika-2.6.20.11/.mtn2git_empty
+++ b/packages/linux/linux-efika-2.6.20.20/.mtn2git_empty
diff --git a/packages/linux/linux-efika-2.6.20.11/sched-cfs-v9-v2.6.20.11.patch b/packages/linux/linux-efika-2.6.20.20/sched-cfs-v9-v2.6.20.11.patch
index 29071a99ac..29071a99ac 100644
--- a/packages/linux/linux-efika-2.6.20.11/sched-cfs-v9-v2.6.20.11.patch
+++ b/packages/linux/linux-efika-2.6.20.20/sched-cfs-v9-v2.6.20.11.patch
diff --git a/packages/linux/linux-efika-2.6.20.20/weaken-div64_32-symbol.patch b/packages/linux/linux-efika-2.6.20.20/weaken-div64_32-symbol.patch
new file mode 100644
index 0000000000..bd6fb98f61
--- /dev/null
+++ b/packages/linux/linux-efika-2.6.20.20/weaken-div64_32-symbol.patch
@@ -0,0 +1,23 @@
+2.6.20.20 with CFS fails to compile for powerpc, because this arch already has
+its assembly-optimized __div64_32() implementation, so linking fails due to
+two symbols.
+
+The same issue appeared on the s390 arch, so this patch is inspired by it.
+
+http://lkml.org/lkml/2007/4/11/24
+
+Leon 'likewise' Woestenberg <leonw@mailcan.com>
+
+Index: linux-2.6.20/lib/div64.c
+===================================================================
+--- linux-2.6.20.orig/lib/div64.c	2007-10-07 16:19:38.000000000 +0200
++++ linux-2.6.20/lib/div64.c	2007-10-07 16:20:15.000000000 +0200
+@@ -23,7 +23,7 @@
+ /* Not needed on 64bit architectures */
+ #if BITS_PER_LONG == 32
+ 
+-uint32_t __div64_32(uint64_t *n, uint32_t base)
++uint32_t __attribute__((weak)) __div64_32(uint64_t *n, uint32_t base)
+ {
+ 	uint64_t rem = *n;
+ 	uint64_t b = base;
diff --git a/packages/linux/linux-efika-2.6.20/defconfig b/packages/linux/linux-efika-2.6.20/defconfig
index d2251d41f1..c68d7f1d1c 100644
--- a/packages/linux/linux-efika-2.6.20/defconfig
+++ b/packages/linux/linux-efika-2.6.20/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.20.11-cfs-v9
-# Sun Oct  7 12:21:03 2007
+# Linux kernel version: 2.6.20.20-cfs-v22
+# Sun Oct  7 15:39:14 2007
 #
 # CONFIG_PPC64 is not set
 CONFIG_PPC32=y
@@ -53,6 +53,7 @@ CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 #
 CONFIG_EXPERIMENTAL=y
 CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
@@ -69,6 +70,8 @@ CONFIG_POSIX_MQUEUE=y
 # CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
+CONFIG_FAIR_GROUP_SCHED=y
+CONFIG_FAIR_USER_SCHED=y
 # CONFIG_SYSFS_DEPRECATED is not set
 # CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
@@ -165,9 +168,10 @@ CONFIG_USE_MDIO=y
 # CONFIG_HZ_300 is not set
 CONFIG_HZ_1000=y
 CONFIG_HZ=1000
-CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
-# CONFIG_PREEMPT is not set
+CONFIG_PREEMPT=y
+CONFIG_PREEMPT_BKL=y
 CONFIG_BINFMT_ELF=y
 CONFIG_BINFMT_MISC=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
@@ -186,8 +190,13 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_PROC_DEVICETREE=y
 CONFIG_CMDLINE_BOOL=y
 CONFIG_CMDLINE="console=ttyS0,9600 console=ttyPSC0,115200"
-# CONFIG_PM is not set
-CONFIG_SECCOMP=y
+CONFIG_PM=y
+# CONFIG_PM_LEGACY is not set
+CONFIG_PM_DEBUG=y
+# CONFIG_DISABLE_CONSOLE_SUSPEND is not set
+# CONFIG_PM_SYSFS_DEPRECATED is not set
+# CONFIG_SOFTWARE_SUSPEND is not set
+# CONFIG_SECCOMP is not set
 CONFIG_ISA_DMA_API=y
 
 #
@@ -1248,6 +1257,7 @@ CONFIG_USB=y
 CONFIG_USB_DEVICEFS=y
 CONFIG_USB_BANDWIDTH=y
 CONFIG_USB_DYNAMIC_MINORS=y
+# CONFIG_USB_SUSPEND is not set
 # CONFIG_USB_OTG is not set
 
 #
@@ -1291,7 +1301,6 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_SDDR55 is not set
 # CONFIG_USB_STORAGE_JUMPSHOT is not set
 # CONFIG_USB_STORAGE_ALAUDA is not set
-# CONFIG_USB_STORAGE_ONETOUCH is not set
 # CONFIG_USB_STORAGE_KARMA is not set
 # CONFIG_USB_LIBUSUAL is not set
 
diff --git a/packages/linux/linux-efika_2.6.20.11.bb b/packages/linux/linux-efika_2.6.20.20.bb
index 2113b27be9..b8877fa5c3 100644
--- a/packages/linux/linux-efika_2.6.20.11.bb
+++ b/packages/linux/linux-efika_2.6.20.20.bb
@@ -41,12 +41,12 @@ SRC_URI = "${KERNELORG_MIRROR}/pub/linux/kernel/v2.6/linux-2.6.20.tar.bz2 \
            file://0032-POWERPC-EFIKA-Adds-missing-interrupts-from-bestcomm-node.txt;p=1;patch=1 \
            file://0033-EFIKA-fullduplex-prpl_aln.txt;p=1;patch=1 \
            file://v4l.diff;p=1;patch=1 \
-           http://www.kernel.org/pub/linux/kernel/v2.6/patch-2.6.20.11.bz2;p=1;patch=1 \
-           file://sched-cfs-v9-v2.6.20.11.patch;p=1;patch=1 \
+           http://www.kernel.org/pub/linux/kernel/v2.6/patch-2.6.20.20.bz2;p=1;patch=1 \
+           http://people.redhat.com/mingo/cfs-scheduler/sched-cfs-v2.6.20.20-v22.patch;p=1;patch=1 \
+           file://weaken-div64_32-symbol.patch;patch=1 \
            file://defconfig \
 		   "
 
-
 S = "${WORKDIR}/linux-2.6.20"
 
 inherit kernel
@@ -71,8 +71,6 @@ do_stage_append () {
        cp -a include/asm-ppc ${STAGING_KERNEL_DIR}/include/
 }
 
-
-
 do_deploy() {
         install -d ${DEPLOY_DIR_IMAGE}
         install -m 0644 arch/${ARCH}/boot/${KERNEL_IMAGETYPE} ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${PV}-${MACHINE}-${DATETIME}