Re: [PATCH 1/3] kernel: Add a new config option to remove command line parsing

2015-04-09 Thread Tim Bird
like this previously, I'm a bit biased.) It's very nice to have the Bloat-o-meter output for these kernel size shrinking patches. The patch itself looks very straightforward, and I don't see any problems in a visual inspection. You can add a Reviewed-by: Tim Bird tim.b...@sonymobile.com

Re: embedding dtb file into kernel

2015-02-12 Thread Tim Bird
On 02/12/2015 11:33 AM, K Richard Pixley wrote: I'm having trouble figuring out how to embed a dtb file into my kernel. I'm thinking that there should be a standard, architecture independent facility for this akin to initramfs, yes? Could someone please either point me to the standard

Re: embedding dtb file into kernel

2015-02-12 Thread Tim Bird
On 02/12/2015 02:30 PM, K Richard Pixley wrote: On 2/12/15 14:01 , Tim Bird wrote: On 02/12/2015 11:33 AM, K Richard Pixley wrote: I'm having trouble figuring out how to embed a dtb file into my kernel. I'm thinking that there should be a standard, architecture independent facility

ELC CFP deadline is Jan 9

2015-01-08 Thread Tim Bird
Hi embedded Linux developers, This is quick reminder that the deadline for the Call For Participation for Embedded Linux Conference 2015 is January 9 (this Friday). The event is on March 23-25 in San Jose, California. Please make sure to propose something if you are interested in coming. I'd

Re: [PATCH v5] selftest: size: Add size test for Linux kernel

2014-12-04 Thread Tim Bird
On 12/03/2014 04:08 PM, Michael Ellerman wrote: On Wed, 2014-12-03 at 08:29 -0800, Tim Bird wrote: On 12/02/2014 07:43 PM, Michael Ellerman wrote: On Tue, 2014-12-02 at 19:36 -0800, Tim Bird wrote: This test shows the amount of memory used by the system. Note that this is dependent

RFC: kselftest size roadmap

2014-12-04 Thread Tim Bird
Here's an RFC on my roadmap for the kselftest size test going forward... In the long term, I'd like to be able to use the test for bisecting size regressions, and to allow any kernel developer to use this even if they don't have hardware for a particular architecture. What I'd like to add to

Re: [PATCH v5] selftest: size: Add size test for Linux kernel

2014-12-03 Thread Tim Bird
On 12/03/2014 05:01 AM, Thomas Petazzoni wrote: Michael, Tim, On Wed, 03 Dec 2014 14:43:11 +1100, Michael Ellerman wrote: diff --git a/tools/testing/selftests/size/Makefile b/tools/testing/selftests/size/Makefile new file mode 100644 index 000..47f8e9c --- /dev/null +++

Re: [PATCH v5] selftest: size: Add size test for Linux kernel

2014-12-03 Thread Tim Bird
On 12/02/2014 07:43 PM, Michael Ellerman wrote: On Tue, 2014-12-02 at 19:36 -0800, Tim Bird wrote: This test shows the amount of memory used by the system. Note that this is dependent on the user-space that is loaded when this program runs. Optimally, this program would be run as the init

Re: [PATCH v5] selftest: size: Add size test for Linux kernel

2014-12-03 Thread Tim Bird
On 12/03/2014 10:00 AM, Geert Uytterhoeven wrote: On Wed, Dec 3, 2014 at 5:29 PM, Tim Bird tim.b...@sonymobile.com wrote: diff --git a/tools/testing/selftests/size/Makefile b/tools/testing/selftests/size/Makefile new file mode 100644 index 000..47f8e9c --- /dev/null +++ b/tools

[PATCH v6] selftest: size: Add size test for Linux kernel

2014-12-03 Thread Tim Bird
with that of the system software. The code is compiled statically, with no stdlibs. On my x86_64 system, this results in a statically linked binary of less than 5K. Signed-off-by: Tim Bird tim.b...@sonymobile.com --- Changes from v5: - remove #ifdef in Makefile (doh!) - use variables in build command

Re: [PATCH v4] selftest: size: Add size test for Linux kernel

2014-12-02 Thread Tim Bird
On 11/26/2014 10:04 PM, Josh Triplett wrote: On Wed, Nov 26, 2014 at 08:27:23PM -0800, Tim Bird wrote: --- /dev/null +++ b/tools/testing/selftests/size/Makefile [...] +LIBGCC=$(shell $(CC) -print-libgcc-file-name) + +get_size: get_size.c +$(CC) --static -ffreestanding -nostartfiles

[PATCH v5] selftest: size: Add size test for Linux kernel

2014-12-02 Thread Tim Bird
with that of the system software. The code is compiled statically, with no stdlibs. On my x86_64 system, this results in a statically linked binary of less than 5K. Signed-off-by: Tim Bird tim.b...@sonymobile.com --- Changes from v5: - make most routines static - replace strip with gcc -s - remove

Re: [PATCH v3] selftest: size: Add size test for Linux kernel

2014-11-25 Thread Tim Bird
On 11/25/2014 12:39 PM, Shuah Khan wrote: On 11/24/2014 11:20 AM, Tim Bird wrote: This test shows the amount of memory used by the system. Note that this is dependent on the user-space that is loaded when this program runs. Optimally, this program would be run as the init program itself

Re: [PATCH v2] selftest: size: Add size test for Linux kernel

2014-11-24 Thread Tim Bird
On 11/20/2014 01:58 PM, Shuah Khan wrote: On 11/19/2014 05:13 PM, Tim Bird wrote: This test shows the amount of memory used by the system. Note that this is dependent on the user-space that is loaded when this program runs. Optimally, this program would be run as the init program itself

[PATCH] selftest: size: Add size test for Linux kernel

2014-11-19 Thread Tim Bird
with that of the system software. The code is compiled statically, with no stdlibs. On my x86_64 system, this results in a statically linked binary of less than 5K. Signed-off-by: Tim Bird tim.b...@sonymobile.com --- tools/testing/selftests/Makefile| 1 + tools/testing/selftests/size/Makefile

[PATCH v2] selftest: size: Add size test for Linux kernel

2014-11-19 Thread Tim Bird
with that of the system software. The code is compiled statically, with no stdlibs. On my x86_64 system, this results in a statically linked binary of less than 5K. Changes from v1: - use more correct Copyright string in get_size.c Signed-off-by: Tim Bird tim.b...@sonymobile.com --- tools/testing

[PATCH] kselftest: Move the docs to the Documentation dir

2014-11-19 Thread Tim Bird
Also, adjust the formatting a bit, and expand the section about using TARGETS= on the make command line. Signed-off-by: Tim Bird tim.b...@sonymobile.com --- Documentation/kselftest.txt| 69 ++ tools/testing/selftests/README.txt | 61

Re: Why is the deferred initcall patch not mainline?

2014-10-29 Thread Tim Bird
On 10/27/2014 01:29 PM, Nicolas Pitre wrote: On Fri, 24 Oct 2014, Geert Uytterhoeven wrote: Several patches are linked from http://elinux.org/Deferred_Initcalls Latest version is http://elinux.org/images/5/51/0001-Port-deferred-initcalls-to-3.10.patch In the hope of providing some

[announce] Embedded Linux Conference Call for Presentations

2012-07-12 Thread Tim Bird
you're working on, and to seeing you at the event. Thanks and regards, -- Tim Bird = Tim Bird Architecture Group Chair, CE Workgroup of the Linux Foundation Senior Staff Engineer, Sony Network Entertainment = -- To unsubscribe from this list

Bids for open project proposals

2012-05-24 Thread Tim Bird
= Tim Bird Architecture Group Chair, CE Workgroup of the Linux Foundation Senior Staff Engineer, Sony Network Entertainment = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body of a message to majord...@vger.kernel.org More majordomo

Re: [PATCH 2/5 v2] logger: simplify and optimize get_entry_len

2012-02-08 Thread Tim Bird
On 2/8/2012 9:15 PM, Dima Zavin wrote: On Wed, Feb 8, 2012 at 10:37 AM, Tim Birdtim.b...@am.sony.com wrote: Make this code slightly easier to read, and eliminate calls to sub-routines. Some of these were previously optimized away by the compiler, but one memcpy was not. In my testing, this

[PATCH 3/5] logger: reorder prepare_to_wait and mutex_lock

2012-02-07 Thread Tim Bird
If mutex_lock waits, it will return in state TASK_RUNNING, rubbing out the effect of prepare_to_wait(). Signed-off-by: Tim Bird tim.b...@am.sony.com --- drivers/staging/android/logger.c |3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/staging/android/logger.c b

[PATCH 5/5] logger: clarify non-update of w_off in do_write_log_from_user

2012-02-07 Thread Tim Bird
Add comment to explain when w_off is not updated in case of failed second fragment copy to buffer. Signed-off-by: Tim Bird tim.b...@am.sony.com --- drivers/staging/android/logger.c |6 ++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/drivers/staging/android/logger.c b

Re: RFC: android logger feedback request

2012-01-06 Thread Tim Bird
= Tim Bird Architecture Group Chair, CE Workgroup of the Linux Foundation Senior Staff Engineer, Sony Network Entertainment = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body of a message to majord...@vger.kernel.org More

Re: RFC: android logger feedback request

2012-01-06 Thread Tim Bird
On 01/06/2012 01:20 PM, Greg KH wrote: On Fri, Jan 06, 2012 at 12:56:27PM -0800, Tim Bird wrote: 4) this is for a popular use case, as opposed to some minor outlying thing, and so people perceive the need to get it exactly right. In this sense, the code would be a victim of it's own success

RFC: android logger feedback request

2011-12-21 Thread Tim Bird
Hi all, I'm looking for feedback on the Android logger code, to see what it would take to make this code acceptable for inclusion in the mainline kernel. Information about the features of Android logging system can be found at: http://elinux.org/Android_Logging_System This system creates a new

Re: RFC: android logger feedback request

2011-12-21 Thread Tim Bird
On 12/21/2011 04:51 PM, Greg KH wrote: On Wed, Dec 21, 2011 at 04:36:21PM -0800, Tim Bird wrote: On 12/21/2011 03:19 PM, Greg KH wrote: Huh, I'm not talking about syslogd, I'm talking about the syslog(2) syscall we have. OK - switching gears. Since the kernel log buffer isn't normally used

Re: Android mainlining project

2011-12-20 Thread Tim Bird
On 12/20/2011 03:27 PM, Geunsik Lim wrote: On Tue, Dec 20, 2011 at 9:39 AM, Tim Bird tim.b...@am.sony.com wrote: The wiki page for this effort (still under construction) is at: http://elinux.org/Android_Mainlining_Project Actually, current linux-next tree is not including ashmem(anonymous

Android mainlining project

2011-12-19 Thread Tim Bird
to let interested parties know what's currently going on. Regards, -- Tim = Tim Bird Architecture Group Chair, CE Workgroup of the Linux Foundation Senior Staff Engineer, Sony Network Entertainment = -- To unsubscribe from this list: send

ELC Europe Call for Proposals, due July 8th

2011-07-01 Thread Tim Bird
many of you there! If you've been working on something neat, please considering coming and telling us about it. -- Tim = Tim Bird Architecture Group Chair, CE Workgroup of the Linux Foundation Senior Staff Engineer, Sony Network Entertainment

Re: About the Tiny Linux Kernel project

2011-06-10 Thread Tim Bird
monitoring software, and a web browser. = Tim Bird Architecture Group Chair, CE Workgroup of the Linux Foundation Senior Staff Engineer, Sony Network Entertainment = -- To unsubscribe from this list: send the line unsubscribe linux-embedded

Re: module boot time (was Re: [PATCH] module: Use binary search in lookup_symbol())

2011-05-20 Thread Tim Bird
the deferred modules. Patch (for 2.6.27 I believe) follows. This is for discussion only, I wouldn't expect it to apply to mainline. commit 1fab0d6a932d000780cd232b7d10ebfbe69f477c Author: Tim Bird tim.b...@am.sony.com Date: Fri Sep 12 11:31:52 2008 -0700 Add deferred_module_init

Re: [PATCH] module: Use binary search in lookup_symbol()

2011-05-18 Thread Tim Bird
On 05/18/2011 12:54 AM, Christoph Hellwig wrote: On Tue, May 17, 2011 at 04:33:07PM -0700, Tim Bird wrote: That said, I can answer Greg's question. This is to speed up the symbol resolution on module loading. The last numbers I saw showed a reduction of about 15-20% for the module load time

module boot time (was Re: [PATCH] module: Use binary search in lookup_symbol())

2011-05-18 Thread Tim Bird
On 05/18/2011 12:21 PM, Greg KH wrote: On Wed, May 18, 2011 at 10:00:12AM -0700, Tim Bird wrote: Carmelo Amoroso reported some good performance gains in this presentation: http://elinux.org/images/1/18/C_AMOROSO_Fast_lkm_loader_ELC-E_2009.pdf (See slide 22). He doesn't report the overall

Re: [RFC PATCH] arm: drop Execute-In-Place

2011-05-05 Thread Tim Bird
On 05/05/2011 11:00 AM, Tim Bird wrote: On 05/05/2011 07:52 AM, Jean-Christophe PLAGNIOL-VILLARD wrote: nearly no-one use it, only amop1, pxa and sa1100 implement it Sony uses this - a lot. Principally we're using this on a NEC naviengine part, which is ARM11MPCore based, support for which

Re: [RFC PATCH] arm: drop Execute-In-Place

2011-05-05 Thread Tim Bird
On 05/05/2011 11:32 AM, David Woodhouse wrote: On Thu, 2011-05-05 at 11:03 -0700, Tim Bird wrote: On 05/05/2011 11:00 AM, Tim Bird wrote: On 05/05/2011 07:52 AM, Jean-Christophe PLAGNIOL-VILLARD wrote: nearly no-one use it, only amop1, pxa and sa1100 implement it Sony uses this - a lot

Re: [RFC PATCH] arm: drop Execute-In-Place

2011-05-05 Thread Tim Bird
On 05/05/2011 12:04 PM, Mike Frysinger wrote: On Thu, May 5, 2011 at 14:54, Nicolas Pitre wrote: On Thu, 5 May 2011, Tim Bird wrote: On 05/05/2011 11:32 AM, David Woodhouse wrote: On Thu, 2011-05-05 at 11:03 -0700, Tim Bird wrote: On 05/05/2011 11:00 AM, Tim Bird wrote: On 05/05/2011 07:52

Re: [PATCH] Remove CONFIG_PM altogether, enable power management all the time

2011-02-08 Thread Tim Bird
On Tue, Feb 8, 2011 at 4:21 AM, Ingo Molnar mi...@elte.hu wrote: Rafael, could you do a defconfig-ish x86 build with and without CONFIG_PM, and post the 'size vmlinux' comparison - so that we can see the size difference? We make some things CONFIG_EXPERT configurable just to enable folks

Re: [PATCH] printk-formats.txt documentation update

2011-02-05 Thread Tim Bird
long long): I like this, as it has information that is not documented elsewhere. Some feedback on the patch: Some of these lines are longer than 80 chars. Can you please truncate things to fit in an 80-column terminal window? Thanks, -- Tim = Tim Bird Architecture

CELF open project proposals for 2011 - Request for proposals

2010-12-07 Thread Tim Bird
that you think it would be good for CELF to fund would be appreciated. Please see more details and full instructions at: http://elinux.org/CELF_Open_Project_Proposal_2011 Regards, -- Tim Bird Architecture Group Chair CE Linux Forum -- To unsubscribe from this list: send the line unsubscribe linux

Re: Embedded Linux Flag Version

2010-11-10 Thread Tim Bird
On 11/10/2010 2:16 AM, Mike Frysinger wrote: On Tue, Nov 9, 2010 at 12:17, Tim Bird wrote: On 11/09/2010 03:19 AM, Mike Frysinger wrote: On Thu, Nov 4, 2010 at 18:07, Tim Bird wrote: It was noted at the summit that several CE companies and embedded projects will be using (or are already using

Re: Embedded Linux Flag Version

2010-11-09 Thread Tim Bird
On 11/09/2010 03:19 AM, Mike Frysinger wrote: On Thu, Nov 4, 2010 at 18:07, Tim Bird wrote: It was noted at the summit that several CE companies and embedded projects will be using (or are already using) 2.6.35 for upcoming products or releases. This includes Sony, Google, Meego, and Linaro

Re: Embedded Linux Flag Version

2010-11-09 Thread Tim Bird
of anyone else here), I think there would be a certain poetry to selecting 2.6.42 (which may just also be the same as or one before kernel version 3.1) ;-) -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Network Entertainment

Embedded Linux Flag Version

2010-11-04 Thread Tim Bird
will be investing in development, integration and testing of this version. Entities wanting to do business with those companies would therefore be well-advised to make sure their hardware, drivers and enhancements work well with this version of the kernel. Tim Bird Architecture Group Chair CE Linux

Re: Linux Plumbers Embedded microconference

2010-09-20 Thread Tim Bird
. that would be useful to a wider audience. Tim Bird has offered to lead this discussion. .. Tim, Jeremy and Kevin; I've accepted your micro-conference topics. As the conference gets closer I'll write up a draft of the actual agenda and your proposals can be massaged appropriately to reflect exactly

Re: [RFC] Kernel 'boot cache' to reduce boot time

2010-08-31 Thread Tim Bird
work by Grant Likely. -- Tim P.S. Also, I would recommend cross-posting to LKML to get wider visibility of your proposal. I'm doing so in this response - I hope that's OK. = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Network

Information on XIP

2010-06-16 Thread Tim Bird
Hi all, I'm starting to look at XIP issues with Linux. I know this sounds strange, but has anyone done anything with XIP for kernel loadable modules? If so, please let me know. I'd be interested in hearing about what you've done. I'd like to start collecting information about XIP on the eLinux

Re: Information on XIP

2010-06-16 Thread Tim Bird
On 06/16/2010 03:23 PM, Mike Frysinger wrote: On Wed, Jun 16, 2010 at 18:19, Tim Bird wrote: I'd like to start collecting information about XIP on the eLinux wiki. If you've done XIP for the kernel or for user-space (application XIP), or know a good source of information about this, please

Status of SquashFS LZMA support in mainline

2010-04-21 Thread Tim Bird
by Phillip in this time frame. Thanks for any information you can provide. -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Network Entertainment = -- To unsubscribe from this list: send the line unsubscribe

[ANNOUNCE] ELC 2010 Program is available - registration open

2010-03-10 Thread Tim Bird
there! -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body of a message to majord

Re: CELF Project proposal: UBIFS mount-time speedups

2009-12-21 Thread Tim Bird
= Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body of a message to majord...@vger.kernel.org More majordomo info at http

Re: CELF Project Proposal - Feasibility analisys of Android introduction in a completely tested industrial device

2009-12-21 Thread Tim Bird
? If the latter, than it would be good to hear more about what might be needed to extend (or reduce :-) ) Android to fit this market. I'll add a proposal for this, but I'd like to hear more to clarify the proposal. Thanks, -- Tim = Tim Bird Architecture Group Chair, CE Linux

Re: CELF Project Proposal: Create a watchdog framework for the Linux kernel

2009-12-17 Thread Tim Bird
Wolfram Sang wrote: Summary: Create a watchdog framework for the Linux kernel Interesting. I've created a page for this proposal at: http://elinux.org/CELF_Project_Proposal/Create_a_watchdog_framework_for_the_Linux_kernel -- Tim = Tim Bird Architecture Group Chair

Re: CELF Project Proposal- Refactoring Qi, lightweight bootloader

2009-12-17 Thread Tim Bird
Matt Hsu wrote: Summary: Refactoring Qi, lightweight bootloader. I've created a page for this at: http://elinux.org/CELF_Project_Proposal/Refactor_the_Qi_lightweight_bootloader = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation

CELF Project proposal: UBIFS mount-time speedups

2009-12-14 Thread Tim Bird
Summary: Improve UBIFS mounting time Proposer: Tim Bird Description: UBIFS is a next-generation flash-based file system for Linux. It is a read/write file system, which supports compression and has good performance. However, it's mount times are not very good. This affects overall Linux boot

Re: [ANNOUNCE] CELF open project proposal

2009-12-02 Thread Tim Bird
source boot loaders like U-Boot. -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body

Re: [ANNOUNCE] CELF open project proposal

2009-12-02 Thread Tim Bird
David Woodhouse wrote: On Wed, 2009-12-02 at 13:46 -0800, Tim Bird wrote: It applies to anything in the embedded Linux ecosystem. This would very much include open source boot loaders like U-Boot. And coreboot. The world needs more coreboot. If coreboot were on ARM, it would be more

[ANNOUNCE] CELF open project proposal

2009-12-01 Thread Tim Bird
as well. For details, see: http://elinux.org/CELF_Open_Project_Proposal_2010 Proposal are welcome immediately... Thanks, -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America

Re: [ANNOUNCE] CELF open project proposal

2009-12-01 Thread Tim Bird
with the relevant upstream project, that's a good candidate for a proposal. One obvious project, which I'm waiting to see if someone else submits, is to pay someone to mainline some of the outstanding Android patches into the Linux kernel. -- Tim = Tim Bird Architecture

Re: [PATCH, RFC] panic-note: Annotation from user space for panics

2009-11-18 Thread Tim Bird
, the memory budget for the entire system is 10M. On most systems I work with, it is a struggle to reserve even 64K for this feature. -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America

Re: [Proposal] [PATCH] generic clock framework

2009-11-10 Thread Tim Bird
for feedback. -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body of a message to majord

[ANNOUNCE] ELC 2010 Call for Presentations

2009-11-09 Thread Tim Bird
for submissions is January 15, 2010. Thanks, -- Tim = Tim Bird Chair of the ELC Program Committee Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body

[ANNOUNCE] Embedded Linux Conference Europe Program Announced

2009-09-29 Thread Tim Bird
...@tree.celinuxforum.org. I hope you can make it! -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body

Re: New fast(?)-boot results on ARM

2009-08-18 Thread Tim Bird
it in an easy-to-read format. Thanks very much for doing that! -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded

Re: New fast(?)-boot results on ARM

2009-08-17 Thread Tim Bird
*/ - ssleep(CONF_POST_OPEN); + msleep(CONF_POST_OPEN); /* * If the config information is insufficient (e.g., our IP address or = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America

new ipdelay= option for faster netboot (was Re: New fast(?)-boot results on ARM)

2009-08-17 Thread Tim Bird
Tim Bird wrote: See the definitions of CONF_PRE_OPEN and CON_POST_OPEN in net/ipv4/ipconfig.c They are set to ridiculously long values. In my experience, you can cut them down considerably with no dangerous side effects (but I haven't asked the network guys about the possible downsides

Re: new ipdelay= option for faster netboot

2009-08-17 Thread Tim Bird
David Miller wrote: From: Tim Bird tim.b...@am.sony.com Date: Mon, 17 Aug 2009 15:35:01 -0700 Tim Bird wrote: See the definitions of CONF_PRE_OPEN and CON_POST_OPEN in net/ipv4/ipconfig.c They are set to ridiculously long values. In my experience, you can cut them down considerably

Re: new ipdelay= option for faster netboot

2009-08-17 Thread Tim Bird
David Miller wrote: From: Tim Bird tim.b...@am.sony.com Date: Mon, 17 Aug 2009 18:24:26 -0700 David Miller wrote: I have card/switch combinations that take up to 10 seconds to negotiate a proper link. What types of delays are these timeouts supposed to cover? The problem is that if you

Re: flicker free booting

2009-07-31 Thread Tim Bird
using XIP we have been able to finish kernel boot on a 192 MHZ ARM9 in 186 milliseconds. In the lab, anyway? = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from

Re: flicker free booting

2009-07-31 Thread Tim Bird
Robert Schwebel wrote: On Fri, Jul 31, 2009 at 12:48:37PM -0700, Tim Bird wrote: Those fractions-of-seconds boot times are beyond the reach of the 200 MHz-class ARM9 processors and similar, where it takes two or three seconds just to load and uncompress the kernel from NOR or NAND flash

Re: How the kernel printk works before do console_setup.

2009-06-23 Thread Tim Bird
= Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body of a message to majord...@vger.kernel.org More majordomo

Re: [PATCH 00/14] Pramfs: Persistent and protected ram filesystem

2009-06-22 Thread Tim Bird
on real embedded hardware you should get better than 13MB/sec writing to _RAM_. I guess something is seriously wrong with pramfs. See above. = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America

Re: [PATCH 00/14] Pramfs: Persistent and protected ram filesystem

2009-06-22 Thread Tim Bird
Pavel Machek wrote: On Mon 2009-06-22 10:31:28, Tim Bird wrote: Pavel Machek wrote: I did not see that in the changelog. If it is not general purpose filesystem, it is lot less interesting. PRAMFS is not a general purpose filesystem. Please read the introductory post to this thread, or look

Re: [PATCH 00/14] Pramfs: Persistent and protected ram filesystem

2009-06-22 Thread Tim Bird
. = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body of a message to majord...@vger.kernel.org More

Re: Representing Embedded Architectures at the Kernel Summit

2009-06-02 Thread Tim Bird
what a KS discussion is going to do to drive issues here. = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded

Re: USB console and network devices unsupported for boot

2009-03-27 Thread Tim Bird
that they're not uncommon during development, but I (personally) don't know of any shipped products with either of these. -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe

[ANNOUNCE] Embedded Linux Conference 2009

2009-03-09 Thread Tim Bird
(no relation to me) discount! -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body of a message

Re: LZMA inclusion

2008-12-03 Thread Tim Bird
considering funding a project to do this (add LZMA support to the kernel), and it would be good to get a feel for the current status... -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America

[Announce] Embedded Linux Conference 2009 - Call for sessions

2008-11-14 Thread Tim Bird
soon. = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body of a message to [EMAIL PROTECTED] More

Re: Subject: [PATCH 00/16] Squashfs: compressed read-only filesystem

2008-10-22 Thread Tim Bird
up an account immediately. I haven't hosted a public git tree there, so there may be some additional setup required. -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America

Re: RFC - size tool for kernel build system

2008-10-09 Thread Tim Bird
additional aggregate items (like subsystems and the full kernel). Feedback is welcome. -- Tim commit d4c8434396cc9a06dbd682f4eea44e2cfb44950f Author: Tim Bird [EMAIL PROTECTED] Date: Thu Oct 9 16:50:08 2008 -0700 Add size reporting and monitoring scripts to the Linux kernel Signed-off-by: Tim

Re: PRAMFS with XIP support

2008-10-08 Thread Tim Bird
, and no one from MV complained. -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body of a message

Re: RFC - size tool for kernel build system

2008-10-08 Thread Tim Bird
= Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body of a message to [EMAIL PROTECTED] More majordomo info at http

RFC - size tool for kernel build system

2008-10-07 Thread Tim Bird
have a similar purpose, but the intent would be to integrate it into the kernel build system, to allow any developer to measure the size information, and highlight and track the information of their choice. Any comments? -- Tim = Tim Bird Architecture Group Chair, CE

Embedded Linux Conference Europe - registration open

2008-10-07 Thread Tim Bird
kernel summit * Bas Engel - of Philips will describe Linux use in digital televisions * Tim Bird - of Sony will give tips for fast-booting the Linux kernel * Vitaly Wool - of Embedded Alley will discuss embedded display technology and flash memory optimization and tuning * Stefan Seyfried

[PATCH] Add better resolution to initcall_debug timings

2008-09-12 Thread Tim Bird
as 0 msecs. Working on the 900 us ones is more important than the 4 us ones. With 'quiet' on the kernel command line, this adds no significant overhead to kernel boot time. Signed-off-by: Tim Bird [EMAIL PROTECTED] --- init/main.c |4 ++-- 1 files changed, 2 insertions(+), 2 deletions

Re: [RFC] Remove more code when IP_MULTICAST=n

2008-08-26 Thread Tim Bird
value. In this particular thread, David asserted that NTP breaks with this patch applied, but that turned out not to be the case. = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America

Re: [PATCH] [RFC] emit-crash-char: Allow diversion of printk output for crash logging

2008-08-13 Thread Tim Bird
the log buffer size is constrained to a power of two). -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded

Re: [PATCH] bootup: Add built-in kernel command line for x86 (v2)

2008-08-12 Thread Tim Bird
Allow x86 to support a built-in kernel command line. The built-in command line can override the one provided by the boot loader, for those cases where the boot loader is broken or it is difficult to change the command line in the the boot loader. Signed-off-by: Tim Bird [EMAIL PROTECTED

Re: initrd and uImage

2008-08-11 Thread Tim Bird
/2 I hope this helps. -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body of a message

Re: [PATCH] bootup: Add built-in kernel command line for x86

2008-08-11 Thread Tim Bird
H. Peter Anvin wrote: Ingo Molnar wrote: * Tim Bird [EMAIL PROTECTED] wrote: Add support for a built-in command line for x86 architectures. The Kconfig help gives the major rationale for this addition. i have actually used a local hack quite similar to this to inject boot options

[PATCH] bootup: Add built-in kernel command line for x86

2008-08-06 Thread Tim Bird
options, without having to address lots of different bootloaders Signed-off-by: Tim Bird [EMAIL PROTECTED] --- Note: If you're copied on this, it's because you seemed interested in this the last time it was submitted. This particular implementation adds a space to the front of the command line

Re: [PATCH] bootup: Add built-in kernel command line for x86

2008-08-06 Thread Tim Bird
Matt Mackall wrote: On Wed, 2008-08-06 at 14:31 -0700, Tim Bird wrote: The default behavior is to append the boot loader string to this one. However, there is a mechanism (leading '!') to force the built-in string to override the boot loader string. Nice solution. Where

Re: [PATCH] bootup: Add built-in kernel command line for x86

2008-08-06 Thread Tim Bird
H. Peter Anvin wrote: Tim Bird wrote: The only thing novel thing I'm adding here is the addition of the leading '!' to allow for an override. This is needed in some x86 cases I'm familiar with, but I've haven't seen any cases where it would be useful for other arches. (not to say they don't

Re: [patch 2/4] Configure out file locking features

2008-08-04 Thread Tim Bird
be inclined to NOT add the extra config dependencies. Just my 2 cents. -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe

[PATCH] embedded: fix vc_translate operator precedence

2008-08-01 Thread Tim Bird
this is an official post for application. Signed-off-by: Tim Bird [EMAIL PROTECTED] --- vt_kern.h |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h index 14c0e91..8c8119f 100644 --- a/include/linux/vt_kern.h +++ b/include/linux/vt_kern.h

Re: [patch 0/4] [resend] Add configuration options to disable features not needed on embedded devices

2008-07-31 Thread Tim Bird
Tim Bird wrote: It sounds like you don't want to talk about it any more, but could you please give me the 30-second overview of why ETHTOOL is required for proper ipv4 operation? ... Sorry if I missed an earlier explanation. Never mind. I hadn't read the whole thread yet

Re: [patch 2/4] Configure out file locking features

2008-07-31 Thread Tim Bird
considering to drop some linux-tiny patches that just don't save enough to warrant continued maintenance. -- Tim = Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from

Re: [patch 0/4] [resend] Add configuration options to disable features not needed on embedded devices

2008-07-31 Thread Tim Bird
= Tim Bird Architecture Group Chair, CE Linux Forum Senior Staff Engineer, Sony Corporation of America = -- To unsubscribe from this list: send the line unsubscribe linux-embedded in the body of a message to [EMAIL PROTECTED] More majordomo

[PATCH] add diffconfig utility (v2)

2008-06-24 Thread Tim Bird
. As for the ChangeLog, here's some information about history and recent changes. I can put this in the patch/script if desired. CHANGELOG: 2008-06-24 - Tim Bird [EMAIL PROTECTED] - add usage function, add -m feature for merge-style output, use .config and .config.old by default, improve

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