Summary of the achievements of the four engineering teams that forms Core Development Group at Linaro during the one week long Linaro Connect USA 2014 (LCU14)

1. Presented by
Date
Event
● Kernel WG: started CoreSight Framework
consolidation.
● Power Mngt WG: EAS project: Patches merged
to add power topology support to the scheduler.
● Security WG: OP-TEE is upstream.
● Virtualisation Eng. Team:
○ KVM and Xen core enterprise features.
○ Android Emulator based on upstream QEMU and
driving the push upstream.
Agustín Benito Bethencourt
19th Sept. 2014
LCU14
CORE: LCA14 to LCU14
Main achievement

2. Presented by
Agustín Benito Bethencourt
Date
19th Sept. 2014
Event
LCU14
Achievements at Connect
Kernel WG
● Progress on kgdb, kexec, kprobes, audit, kgdb,
seccmp & DEBUG_PAGE_ALLOC for ARM64.
● Determined next steps for Coresight framework,
including a plan for starting work on ARMv8.
● Upstreamed first set of patches for FIQ
debugger work.
● Had lots of good discussion on kernel testing.

3. Presented by
Agustín Benito Bethencourt
Date
19th Sept. 2014
Event
LCU14
Achievements at Connect
Power Mngt. WG
● Review of QC EAS design and requirements
gathering.
● Agreements around testing of the EAS
integration tree.
● Help members to upstream clock framework,
power domains and cpuidle drivers.
● Design walk-through of sched-cpufreq and
sched-cpuidle with members before imminent
patch posting.

4. Presented by
Agustín Benito Bethencourt
Date
19th Sept. 2014
Event
LCU14
Achievements at Connect
Security WG
● OP-TEE patches merged. ARM Trusted
Firmware related among them.
● XTS (encryption mode) has been implemented
and merged.
● GCM authentication fixed.
● Boot Hi3716 board with a custom-built linux
kernel and minimal root fs

5. Presented by
Agustín Benito Bethencourt
Date
19th Sept. 2014
Event
LCU14
Achievements at Connect
Virtualization Eng. Team
● Progress on ACPI on Xen.
● Passthrough IRQ forwarding in KVM worked
out.
● Resolved multiple issues for the VGIC code
in KVM.
● Prototyped the use of a virtio char device for
Android emulator. Results are promising.

6. Presented by
Date
Event
LCU14 to LCA15: Main objectives
Agustín Benito Bethencourt
19th Sept. 2014
LCU14
1. Core Development: Kernel Testing CI
2. Kernel WG:
a. Upstream ARMv8 functionality.
b. Upstream CoreSight Framework.
3. Power Mngt. WG:
a. EAS development and benchmarking.
b. PM feature enablement on member platforms.
4. Security WG:
a. Increase board support for OP-TEE.
b. Support in having a complete boot architecture stack.
5. Virtualisation Eng. Team:
a. Android Emulator upstream work in QEMU.
b. KVM feature completeness (LEG use cases): migration and
UEFI support.
c. Xen device passthrough and GICv2m support.

7. Presented by
Date
Event
● Core Development
○ Core Groups: kernel testing CI
● Kernel:
○ LHG, LNG and LMG: U-boot on ARMv8
● Security:
○ LEG: Boot architecture.
○ LHG: DRM use cases.
Agustín Benito Bethencourt
19 Sept. 2014
LCU14
Cross-Linaro Cooperation