Editing CSSU kernel assess

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Purpose of this page and table is to evaluate the risk and thus decide about fitness for CSSU kernel, of all patches available from latest KP

Changes:
 2012-11-03 - [freemangordon] Initial draft 
 2012-11-03 - [Joerg_rw] major restructuring to sortable true table, 
                         added coloumns .ko (means only kernel module domain) and 
                         zImg (means massive impact and risk due to edits in kernel core)  
 2012-11-03 - [Pali] added info about Nokia patches and patches disabled in KP
 2013-01-24 - [Pali] updated patches list to match kp52 version
 2013-02-02 - [Pali] updated info about patches
 2013-08-03 - [freemangordon] more patches assessed
                              add underscores around impact in an attempt to make table look better
 2013-08-11 - [Pali] updated info about patches
 2013-10-12 - [Pali] disabled usb host mode patches, updated colors
 2013-10-23 - [Pali] added kp53 patches
 2013-10-28 - [freemangordon] overclock patches enabled, powertop issue is going to be fixed soon (in powertop)
 2013-10-28 - [Pali] added other kp53 patches and missing rx51-battery patch, updated info

bq drivers are disabled because are experimental and not working with bme

usb host mode patches are disabled because using bq drivers

TODO: Need to fix modules.postrm and modules.postinst scripts which chaning /sbin/preinit and /etc/modprobe.d/bridgedriver

{| class="wikitable sortable"
! ''' .ko ''' || '''  zImg  ''' || Patch !! _____Impact_____ !! Notes [please_enlarge_this_col_thaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaat_much] !! Include in CSSU

|-
 
|- style="background-color:red;"
|
||
||0001-mtd-fix-a-huge-latency-problem-in-the-MTD-CFI-flash-.diff 
|| 
|| This patch caused problems in kernel-power, it was disabled
|| '''N'''

|- style="background-color:red;"
|
||
||0002-mtd-change-struct-flchip_shared-spinlock-locking-int.diff
||
|| This patch caused problems in kernel-power, it was disabled
|| '''N'''

|- style="background-color:#A0E75A;"
|
||
||2.6.28-omap1.diff 		
||
||This patch is part of Nokia stock kernel
||'''Y'''

|- style="background-color:yellow;"
|
||
||2.6.28.10.diff 		
||
|| This is upstream patch which update kernel from 2.6.28.0 to 2.6.28.10 (last 2.6.28 version) ***NOTE*** fix Makefile and remove .10 suffix to not change the version
||'''Y'''

|- style="background-color:#A0E75A;"
|'''Y'''
||
||adding-ramzswap-driver.diff 		
||None, kernel module
||
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||anti-io-stalling.diff 		
||
|| No known side effects/regressions
||'''Y'''

|- style="background-color:yellow;"
|
||
||ARM_6066_1_Fix_BUG_scheduling_while_atomic_swapper_0_0x00000002.diff 		
||
|| We need info from Luke-Jr why ans if this patch is really needed
||

|- style="background-color:#A0E75A;"
|
|| '''Y'''
||armthumb.diff 		
||Could slowdown the system
|| Needed to workaround ARM errata 430973
|| '''Y'''

|- style="background-color:red"
|
||
||asix-ethernet.patch 		
||
|| adding new usb ids for new usb hw - not needed when usb host mode is disabled
|| '''N'''

|- style="background-color:#A0E75A;"
| '''Y'''
||
||block2mtd-yoush.diff 		
|| 
|| 
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||bluetooth-fix-potential-bad-memory-access-with-sysfs-files.diff 		
|| CVS fix
|| This is an upstream fix
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||bluetooth_scheduling_while_atomic_bug_fix.diff 		
|| 
|| 
||'''Y'''

|- style="background-color:red;"
|
||
||bq24150-sniff.diff 		
|| 
|| This patch is for debugging only and is disabled in kernel-power
||'''N'''

|- style="background-color:red;"
|
||
||bq2415x_charger.patch 		
|| 
||bq2415x_charger driver
||'''N'''

|- style="background-color:red;"
|
||
||bq2415x_kconfig.patch 		
|| 
||bq2415x_charger driver
||'''N'''

|- style="background-color:red;"
|
||
||bq2415x_rx51.patch 		
|| 
||bq2415x_charger driver
||'''N'''

|- style="background-color:red;"
|
||
||bq27x00-fix-nac.diff
|| 
||bq27x00_battery driver
||'''N'''

|- style="background-color:red;"
|
||
||bq27x00-maemo.diff 		
|| 
||bq27x00_battery driver 
||'''N'''

|- style="background-color:red;"
|
||
||bq27x00-rx51-board.diff 		
|| 
||bq27x00_battery driver
||'''N'''

|- style="background-color:red;"
|
||
||bq27x00-sysfs-registers.diff 		
|| 
||bq27x00_battery driver
||'''N'''

|- style="background-color:red;"
|
||
||bq27x00-upstream.diff 		
|| 
||bq27x00_battery driver
||'''N'''

|- style="background-color:#A0E75A;"
|
||
||bt-mice.diff 		
|| 
|| Needed for some HID devices to work properly
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||class10sd_dto14_fix.diff 		
|| Backported from upstream
|| Needed for some uSD cards to work
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||clear_the_it_state_when_invoking_a_thumb_2_signal_handler.diff 		
|| backported from upstream
|| needed for thumb userspace binaries
||'''Y'''

|- style="background-color:#A0E75A;"
|'''Y'''
||
||dm-loop.diff 		
|| 
|| device-mapper loop target
||'''Y'''

|- style="background-color:red;"
|
||
||dm9601-ethernet.patch 		
|| 
|| adding new usb ids for new usb hw - not needed when usb host mode is disabled
||'''N'''

|- style="background-color:#A0E75A;"
|
||
||dspbridge.diff 		
|| 
|| *** Once the kernel is in the wild, check for DSP behavior regression reports caused by that one ***
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||enable_smartreflex.diff
|| 
|| OC patches break powertop
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||ext4-data-corruption.diff 		
|| 
|| 
||'''Y'''

|- style="background-color:red;"
|
||
||fmtx.unlock.diff 		
|| Reverts Nokia locked fmtx power level
|| This patch is obsolated by radio-si4713.diff and disabled in kernel-power
||'''N'''

|- style="background-color:#A0E75A;"
|
||
||gentoo-fsfixes.diff 		
|| 
|| EXT4 fs fixes
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||gethercharge.diff 		
|| 
|| Needed to enable charging when device connected over USB network
||'''Y'''

|- style="background-color:red;"
|
||
||i2c-battery.diff 		
|| 
|| !!!THIS PATCH IS DANGEROUS!!! It is disabled in kernel-power
||'''N'''

|- style="background-color:#A0E75A;"
|
||
||iphb-matan.diff 		
|| 
|| https://bugs.maemo.org/show_bug.cgi?id=8715
||'''Y'''

|- style="background-color:#A0E75A;"
|'''Y'''
||
||joikuspot.diff 		
|| 
||joikuspot kernel module
||'''Y'''

|- style="background-color:red;"
|
||
||kexec.diff 		
|| 
|| 
||'''N'''

|- style="background-color:red;"
|
||
||kstrtol.diff
|| 
||Needed for bq2415x_charger
||'''N'''

|- style="background-color:#A0E75A;"
|
||
||l2cap_parent.diff 		
|| 
|| Fix possible kernel NULL pointer dereference in l2cap_conn_start
||'''Y'''

|-
|
||
||led_dbrightness.diff 		
|| 
|| 
||

|-
|
||
||mac80211_fix_allocation_in_mesh_queue_preq.diff 		
|| 
|| 
||

|- style="background-color:#A0E75A;"
|
||
||minstrel-aziwoqpa.diff 		
|| 
|| 
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||mmcnames-fanoush.diff 		
|| 
||Fixing mmc device order before udev is started. Fanoush bootmenu 
||'''Y'''

|- style="background-color:red;"
|
||
||musb_core_revert_20103103+0m5.diff
|| 
||Needed for usb host mode
|| '''N'''

|- style="background-color:yellow;"
|
||
||musb_suspend_and_fixes.diff
|| 
|| Fix suspend to memory problems - computer USB port now is able to be detected and charge after resume - Patch will be in kp53, so **** TESTING IS NEEDED ****
||

|- style="background-color:red;"
|
||'''Y'''
||musb_sysfs_hostdevice.diff 		
|| 
||Needed for usbmode.sh
|| '''N'''

|- style="background-color:red;"
|
||
||musb_sysfs_notify.diff 		
|| 
||Report usb mode to HAL, needed for automounting usb disks in usb host mode
|| '''N'''

|- style="background-color:#A0E75A;"
|
||
||nilfs2-2.0.18.diff 		
|| 
|| Patch contains additional filesystem module
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||nokia-20091602+0m5.diff
|| 
||This patch is part of Nokia stock kernel
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||nokia-20093908+0m5.diff 		
|| 
||This patch is part of Nokia stock kernel
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||nokia-20094102.3+0m5.diff 		
|| 
||This patch is part of Nokia stock kernel
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||nokia-20094102.6+0m5.diff 		
|| 
||This patch is part of Nokia stock kernel
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||nokia-20094803.3+0m5.diff 		
|| 
||This patch is part of Nokia stock kernel
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||nokia-20100903+0m5.diff 		
|| 
||This patch is part of Nokia stock kernel
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||nokia-20101501+0m5.diff 		
|| 
||This patch is part of Nokia stock kernel
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||nokia-20103103+0m5.diff 		
|| 
||This patch is part of Nokia stock kernel
||'''Y'''

|- style="background-color:yellow;"
|
||
||nokia-av_key.patch 		
|| 
||Reporting headset button press event immediately as new key KEY_PROG1 (but sometimes also when button is not presses). Driver normally report event as KEY_PHONE but after 1-2 sec delay. Existing applications should not be broken because KEY_PROG1 is not used in maemo and application needs to wait for key "prog1" HAL event. Patch will be in kp53, so **** TESTING IS NEEDED ****
||

|- style="background-color:#A0E75A;"
|
||
||ondemand-avoid.diff 		
|| 
||
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||option_disable_indicator_led.diff 		
|| 
|| This patch adding suport to disable back camera led via sysfs
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||overclock.diff 		
|| 
||
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||overclock_smartreflex_900.diff 		
|| 
||
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||patch_swap_notify_core_support_2.6.28.diff 		
|| 
||Needed by ramzswap module
||'''Y'''

|- style="background-color:#A0E75A;"
|
||
||patch_swap_notify_core_support_2_2.6.28.diff 		
|| 
||Needed by ramzswap module
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||phys_to_page.diff 		
|| 
||This patch is needed by DSP driver
|| '''Y'''

|- style="background-color:red;"
|
||
||power-supply-ignore-enodata.diff 		
|| 
||Needed for bq27x00_battery
|| '''N'''

|- style="background-color:red;"
|
||
||power-supply-no-verbose.diff 		
|| 
|| Needed for bq drivers
|| '''N'''

|- style="background-color:#A0E75A;"
|
||
||ppp_async_matan.diff 		
|| 
|| 
|| '''Y'''

|- style="background-color:#A0E75A;"
|
|| '''Y'''
||radio-bcm2048.diff 		
|| 
|| Add support for interrupt driven rds data reading
||

|- style="background-color:#A0E75A;"
| 
|| '''Y'''
||radio-si4713.diff 		
|| 
|| This patch modify default power level to 120 and add ability to unlock power level (new version of patch fmtx.unlock.diff)
|| '''Y'''

|- style="background-color:yellow;"
| 
||
||resume_no_time_warn.diff		
|| 
|| Disable WARN_ON in getnstimeofday when timing system suspended - Patch will be in kp53, so **** TESTING IS NEEDED ****
||

|- style="background-color:yellow;"
| 
||
||resume_use_rtc_clock.diff 		
|| 
|| Advance system clock after resume using RTC time - Patch will be in kp53, so **** TESTING IS NEEDED ****
||

|- style="background-color:#A0E75A;"
|
||
||rx51_add_secure_ppa_api.diff 		
|| Needed to workaround ARM errata 430973
|| 
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||rx51_arm_errata_430973.diff 		
|| Needed to workaround ARM errata 430973
|| 
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||rx51_battery_board.patch
|| 
|| Battery ADC temperature driver
|| '''Y'''

|- style="background-color:yellow;"
|
||
||rx51_battery_kconfig.patch
|| 
|| Battery ADC temperature driver. Patch needs to be modfied to apply without bq patches!
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||rx51_battery.patch
|| 
|| Battery ADC temperature driver
|| '''Y'''

|- style="background-color:yellow;"
|
||
||rx51_defconfig.diff 		
|| 
|| Disable usb host mode drivers !!!
|| '''Y'''

|- style="background-color:yellow;"
|
||
||shutdown-reboot-patch.diff 		
|| Fixes an issue in hostmode - device reboots instead of shutdown
|| Note - only the part that fixes pm.c is applicable, as USB hostmode is disabled
|| '''Y'''

|- style="background-color:#A0E75A;"
| '''Y'''
||
||squashfs.diff 		
|| 
|| Squashed file system support
|| '''Y'''

|- style="background-color:red;"
|
||
||Support-for-tlv320aic3x-codec-highpass-filter-needed.diff 		
|| 
|| This patch is incomplete and unfinfished yet, it is disabled in kernel-power
|| '''N'''

|- style="background-color:#A0E75A;"
|
||
||support-non-page-aligned-buffers-in-iommu_vmap.diff 		
|| Backported from upstream
|| Allows DMA to framebuffer memory from camera (for example)
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||tif_restore_sigmask-syscalls-arm.patch 		
|| Implements ppoll/pselect in kernel
|| Needed to fix libc ppoll/pselect bug
|| '''Y'''

|- style="background-color:red;"
|
|| '''Y'''
||trig-keyb.diff 		
|| 
|| This allows LEDs to be used as keyboard indication leds. Code is not used, enable in future if needed.
|| '''N'''

|- style="background-color:red;"
| 
||'''Y'''
||twl-scrollock.diff 		
|| 
|| This allows LEDs to be used as keyboard indication leds. Code is not used, enable in future if needed.
|| '''N'''

|- style="background-color:#A0E75A;"
|
||
||udf-use-hw-sector-size.diff
|| 
||UDF filesystem fix from upstream, needed for mounting SD card & usb disks with UDF filesystem
|| '''Y'''

|- style="background-color:#A0E75A;"
| '''Y'''
||
||unionfs-2.5.3.diff 		
|| 
|| unionfs support
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||update_mmu_cache_arm.diff 		
|| Backported from upstream
|| Needed by ramzswap kernel module
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||USB-fix-kernel-oops-with-g_ether-and-windows.diff 		
|| Backported from upstream
|| Fixes a bug (kernel oops)when USB networking is enabled 
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||USB-g_serial-don-t-set-low_latency-flag.diff 		
|| Backported from upstream
|| g_serial: don't set low_latency flag
|| '''Y'''

|- style="background-color:red;"
|
||
||usbhostmode.diff 		
|| 
||usb host mode support
|| '''N'''

|- style="background-color:#A0E75A;"
| '''Y'''
||
||usbip.diff 		
|| 
|| USB IP support (EXPERIMENTAL)
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||videobuf-dma-sg-support-non-pagable-user-memory.diff 		
|| Backported from upstream
|| Allows camera preview/capture to go directly to video FB (no memcpy)
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||wl1251-monitor-mode.diff 		
|| 
|| Adding support for monitor mode
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||wl12xx-rx-fix.diff 		
|| 
|| This fixing IPv6 support in wifi driver, see https://garage.maemo.org/tracker/index.php?func=detail&aid=6784&group_id=1528&atid=5521
|| '''Y'''

|- style="background-color:#A0E75A;"
|
||
||wl12xx_rohar.diff
|| 
|| Fixing wifi driver support for userspace "iw" program (new replacement for iwconfig/iwlist)
|| '''Y'''

|-
|}

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Editing CSSU kernel assess

@@ Line 383: / Line 383: @@
 ||'''Y'''
-|- style="background-color:red;"
+|-
 |
 ||
@@ Line 389: / Line 389: @@
 ||
 ||
-||'''N'''
+||
-|- style="background-color:#A0E75A;"
+|-
 |
 ||
 ||mac80211_fix_allocation_in_mesh_queue_preq.diff
 ||
-|| We allocate a PREQ queue node in mesh_queue_preq, however the allocation may cause us to sleep.  Use GFP_ATOMIC to prevent this.
+||
-||'''Y'''
+||
 |- style="background-color:#A0E75A;"