linaro-kernel May 2011

linaro-kernel@lists.linaro.org

32 participants
48 discussions

[ACTIVITY] (Dave Martin) week 20 2011 (2011-05-16 - 2011-05-20)

by Dave Martin

== Dave Martin <dmart> == === General Activity === * blueprint and work item drafing: * https://blueprints.launchpad.net/linux-linaro/+spec/linaro-kernel-o-standar… * https://blueprints.launchpad.net/linux-linaro/+spec/linaro-kernel-o-general… * some upstream patch testing/reviewing (div0 backtraces etc.) === linaro-kernel-o-standard-arch === * tested and reposted {set,get}_fiq_regs patches for Thumb-2 compatibility === miscellaneous === * Reported a minor Thumb-2 assembly bug in gas (http://sourceware.org/bugzilla/show_bug.cgi?id=12793) === Plans === * Agree work item assignments with Deepak / kernel WG

12 years, 11 months

[ACTIVITY] (Thomas Abraham) 2011-05-16 - 2011-05-20

by Thomas Abraham

== Thomas Abraham <thomas-ab> == === Highlights === * Listed the work items for memory regions TR for linaro-kernel-o-general-performance blueprint. * Submitted patches of clkdev support on Samsung platforms. This is prerequisite for common clock and device tree support. (http://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg04708.html) * Continued testing of kexec-crashdump work item on s5pv310 platform. Could not identify the reason for kernel reboot failure. Will continue to debug this. === Plans === * Complete testing of kexec-crashdump on s5pv310 platform. * Submit first version of common clock support for Samsung platforms.

12 years, 11 months

Debugging DT on IGEP board

by Deepak Saxena

Hi all, We're trying to close out on a few 11.05 items and two that stand out are completing DT support on IGEP and u8500 boards. The code is in place in the linaro-2.6.38 kernel but we need someone with HW to debug why it's not working. I'm working on sorting out the u8500 testing, but does anyone in the kernel team or landing team have the HW on hand and able to coordinate with Grant on debugging on the IGEP? ~Deepak

12 years, 11 months

Use of GCC __attribute__(("FIQ")) in Linux kernel?

by Chung-Lin Tang

Hi kernel folks, there's an upstream GCC PR about banked registers not being properly utilized in FIQ routines, specified by GCC attibutes, see here: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48429 I was just wondering, is this GCC __attribute__(("FIQ")) feature used in the Linux kernel as well, or are the entry paths in Linux already done in assembler? Thanks, Chung-Lin

12 years, 11 months

[ACTIVITY] (Deepak Saxena) 2011-05-09 - 2011-05-13

by Deepak Saxena

== Deepak Saxena <dsaxena> == === Highlights === * Attended LDS === Plans === * Summarize blueprint next steps for kernel team & put together and send off first pass of 11.11 assignments/priorities for team review * Start coordinating 1:1s with team members * Meetings: platform team, release, kernel team meeting planning with Mounir * Follow up with Nicolas on monthly kernel drops

12 years, 11 months

[ACTIVITY] (Per Forlin) 2011-05-09 - 2011-05-13

by Per Forlin

== Per Forlin <perfor> == === Highlights === * Attending LDS * SDIO single IRQ patch merged === Plans === * Update blueprints * Submit mmc async patch with common parallel request handling in core.c * 2 days absence planned for this week due to child with otitis

12 years, 11 months

[ACTIVITY] (John Stultz) May 9th-13th

by John Stultz

=== Highlights === * Did a full audit of the RTC drivers to catch boot time hangs due to un-initialized drvdata. * Submitted along with revised fixes from community for 2.6.39. * Thomas merged them into -tip * Sent out updated v2 of task->comm locking patch queue, with %ptc printk formatting method * Got good feedback, and sent out v3 patchset as well * Attended LDS Android upstreaming meeting remotely * 3-5minute audio lag was a problem * Submitted time() fix for 2.6.32-longterm * Worked with IBMer on suspend-blocker-like driver being used to keep systems from suspending while firmware updates are running * Spent time reading over and trying to make use of pm_stay_awake/pm_relax api * So far, no luck. Mailed Rafael with questions. * Updated Linaro+Android kernel git tree. === Plans === * Continue to push task->comm fixes in * Continue working on pm_stay_awake/pm_relax infrastructure * Try to adapt Arve's earlier RTC suggestions into suspend/resume path * Catch up on LDS discussions I missed. === Issues === * NA

12 years, 11 months

REMINDER: kernel and landing team discussion at 2pm in room jozsef

by Deepak Saxena

12 years, 11 months

*** Kernel meetings schedule changes ***

by Deepak Saxena

Hi all, I have a couple of schedule changes for tomorrow to announce: 1. The kernel wg + landing team discussion has been moved from 5pm to 2pm in the TAS room. Scott B. synced up with me and Nicolas is leaving at 4pm and it is critical that he be involved in this discussion hence the move. 2. The kernel working group team meeting that was scheduled for 2pm tomorrow obviously not happening at the same time and will be reschedule for a different time and send out and update. Thanks, ~Deepak

12 years, 12 months

ARM subarchitecture maintainership meeting: noon today Budapest time, Ond (Room 19)

by Paul E. McKenney

Hello! Demonstrating dynamic scheduling due to the inevitable conflicts... The meeting to discuss upstreaming has been moved from Tuesday 10AM to Monday at noon. It is in the Ond meeting room (room 19). Thanx, Paul

12 years, 12 months

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linaro-kernel May 2011