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Adaptation Guide

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(Kernel)
(Kernel)
Line 38: Line 38:
 
Remove kernel options:
 
Remove kernel options:
  
CONFIG_ANDROID_PARANOID_NETWORK
+
{| border="1"
CONFIG_ANDROID_LOW_MEMORY_KILLER
+
! Option
CONFIG_DUMMY
+
! Not Required since
 +
|-
 +
|CONFIG_ANDROID_PARANOID_NETWORK ||
 +
|-
 +
|CONFIG_ANDROID_LOW_MEMORY_KILLER ||
 +
|-
 +
|CONFIG_DUMMY ||
 +
|-
 +
|CONFIG_ANDROID ||
 +
|Not Tested
 +
|}
  
 
=== Patches ===
 
=== Patches ===

Revision as of 15:47, 9 January 2012

This page contains information what is expected from a Mer Hardware Adaptation.

Kernel

Required kernel options:

Option Required since
Systemd
CONFIG_DEVTMPFS=y
CONFIG_CGROUPS=y
CONFIG_AUTOFS4_FS=[y|m]
CONFIG_IPV6=[y|m] optional, but highly recommended
 CONFIG_RTC_DRV_CMOS=y optional, but highly recommended
CONFIG_FANOTIFY=y optional, required for systemd readahead.
CONFIG_UEVENT_HELPER_PATH should be empty, if you want to use systemd without initramfs
CONFIG_AUDIT=y optional, but recommended
CONFIG_TMPFS_POSIX_ACL=y recommended, if you want pam_systemd.so to setup your "seats"

Remove kernel options:

Option Not Required since
CONFIG_ANDROID_PARANOID_NETWORK
CONFIG_ANDROID_LOW_MEMORY_KILLER
CONFIG_DUMMY
CONFIG_ANDROID Not Tested

Patches

When compiling kernel for ARM with Mer 0.20110105.1 or newer

You will need to apply this patch to your kernel with this new Mer and toolchain release, if your kernels break on boot (they likely will). It will enable -mno-unaligned-access in your kernel compilation flags.

--- linux-3.1/Makefile  2011-10-24 18:10:05.000000000 +1100
+++ b/Makefile  2011-12-24 16:06:38.848284875 +1100
@@ -640,6 +640,8 @@
        KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO
 endif

+KBUILD_CFLAGS  += -mno-unaligned-access
+
 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
 # But warn user when we do so
 warn-assign = \
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