1.. _skiboot-5.10-rc4: 2 3skiboot-5.10-rc4 4================ 5 6skiboot v5.10-rc4 was released on Wednesday February 21st 2018. It is the fourth 7release candidate of skiboot 5.10, which will become the new stable release 8of skiboot following the 5.9 release, first released October 31st 2017. 9 10skiboot v5.10-rc4 contains all bug fixes as of :ref:`skiboot-5.9.8` 11and :ref:`skiboot-5.4.9` (the currently maintained stable releases). There 12may be more 5.9.x stable releases, it will depend on demand. 13 14For how the skiboot stable releases work, see :ref:`stable-rules` for details. 15 16The current plan is to cut the final 5.10 in February, with skiboot 5.10 17being for all POWER8 and POWER9 platforms in op-build v1.21. 18This release will be targeted to early POWER9 systems. 19 20Over skiboot-5.10-rc3, we have the following changes: 21 22- core: Fix mismatched names between reserved memory nodes & properties 23 24 OPAL exposes reserved memory regions through the device tree in both new 25 (nodes) and old (properties) formats. 26 27 However, the names used for these don't match - we use a generated cell 28 address for the nodes, but the plain region name for the properties. 29 30 This fixes a warning from FWTS 31- sensor-groups: occ: Add support to disable/enable sensor group 32 33 This patch adds a new opal call to enable/disable a sensor group. This 34 call is used to select the sensor groups that needs to be copied to 35 main memory by OCC at runtime. 36- sensors: occ: Add energy counters 37 38 Export the accumulated power values as energy sensors. The accumulator 39 field of power sensors are used for representing energy counters which 40 can be exported as energy counters in Linux hwmon interface. 41- sensors: Support reading u64 sensor values 42 43 This patch adds support to read u64 sensor values. This also adds 44 changes to the core and the backend implementation code to make this 45 API as the base call. Host can use this new API to read sensors 46 upto 64bits. 47 48 This adds a list to store the pointer to the kernel u32 buffer, for 49 older kernels making async sensor u32 reads. 50- dt: add /cpus/ibm,powerpc-cpu-features device tree bindings 51 52 This is a new CPU feature advertising interface that is fine-grained, 53 extensible, aware of privilege levels, and gives control of features 54 to all levels of the stack (firmware, hypervisor, and OS). 55 56 The design and binding specification is described in detail in doc/. 57- phb3/phb4/p7ioc: Document supported TCE sizes in DT 58 59 Add a new property, "ibm,supported-tce-sizes", to advertise to Linux how 60 big the available TCE sizes are. Each value is a bit shift, from 61 smallest to largest. 62- phb4: Fix TCE page size 63 64 The page sizes for TCEs on P9 were inaccurate and just copied from PHB3, 65 so correct them. 66- Revert "pci: Shared slot state synchronisation for hot reset" 67 68 An issue was found in shared slot reset where the system can be stuck in 69 an infinite loop, pull the code out until there's a proper fix. 70 71 This reverts commit 1172a6c57ff3c66f6361e572a1790cbcc0e5ff37. 72- hdata/iohub: Use only wildcard slots for pluggables 73 74 We don't want to cause a VID:DID check against pluggable devices, as 75 they may use multiple devids. 76 77 Narrow the condition under which VID:DID is listed in the dt, so that 78 we'll end up creating a wildcard slot for these instead. 79- increase log verbosity in debug builds 80- Add -debug to version on DEBUG builds 81- cpu_wait_job: Correctly report time spent waiting for job 82