Display setups on your work desks

2011-05-06 Thread Marcin Juszkiewicz
Hi I would like to ask about your display setups on work desks because recent changes in pandaboard kernel moves me into 'lets buy another lcd' direction... Now I have two displays on my desk: - 24 1920x1080 - DVI port is main display of my desktop - VGA port was used with some boards in

Re: kmemcheck on ARM

2011-05-06 Thread Kees Cook
Hi, On Thu, May 05, 2011 at 06:35:53PM -0300, Christian Robottom Reis wrote: Last quasi-random question of the night: would reviving the kmemcheck ARM port (that IIRC was hacked up a while back) be something useful, or is it something that is too niche to be worth it? At the board's request,

Re: Display setups on your work desks

2011-05-06 Thread Zygmunt Krynicki
W dniu 06.05.2011 10:27, Marcin Juszkiewicz pisze: Hi I would like to ask about your display setups on work desks because recent changes in pandaboard kernel moves me into 'lets buy another lcd' direction... Switching ports on panda requires powering it off in order to not damage it.

Re: Display setups on your work desks

2011-05-06 Thread Alexandros Frantzis
On Fri, May 06, 2011 at 11:23:26AM +0200, Zygmunt Krynicki wrote: W dniu 06.05.2011 10:27, Marcin Juszkiewicz pisze: Hi I would like to ask about your display setups on work desks because recent changes in pandaboard kernel moves me into 'lets buy another lcd' direction... Switching

Re: Display setups on your work desks

2011-05-06 Thread James Tunnicliffe
I have always been put off by the ridiculous prices of HDMI/DVI KVM switches. What kind of circuitry could they possibly contain that costs that much? I believe they are just pushing the prices as high as the can get away with. They just need to keep the cost at less than buying 2/3/4

Re: Optimized kernel memcpy/memset

2011-05-06 Thread Dave Martin
Hi, On Thu, May 05, 2011 at 03:47:08PM +0100, David Gilbert wrote: Hi Kiko, On 5 May 2011 15:21, Christian Robottom Reis k...@linaro.org wrote: Hey there,    I was asked today in the board meeting about the use of NEON routines in the kernel; I said we had looked into this but hadn't

Re: Display setups on your work desks

2011-05-06 Thread Alexandros Frantzis
On Fri, May 06, 2011 at 07:26:05AM -0300, Christian Robottom Reis wrote: On Fri, May 06, 2011 at 11:12:55AM +0100, James Tunnicliffe wrote: Looks like switching isn't too expensive to me: http://www.amazon.co.uk/Duronic-Switch-input-output-Switcher/dp/B0020426AG/ref=tag_tdp_sv_edpp_i

Re: Optimized kernel memcpy/memset

2011-05-06 Thread Christian Robottom Reis
On Thu, May 05, 2011 at 04:08:01PM +0100, Måns Rullgård wrote: Incidentally, this ties into the question sent earlier this week which had to do with Nico's work item in:    https://blueprints.launchpad.net/linux-linaro/+spec/other-kernel-thumb2 Which IIRC Nico says probably isn't worth

Re: Display setups on your work desks

2011-05-06 Thread Christian Robottom Reis
On Fri, May 06, 2011 at 11:12:55AM +0100, James Tunnicliffe wrote: Looks like switching isn't too expensive to me: http://www.amazon.co.uk/Duronic-Switch-input-output-Switcher/dp/B0020426AG/ref=tag_tdp_sv_edpp_i http://www.lindy.co.uk/usb-switch-4-port-usb-2-autoswitch/42784.html I use

Re: Display setups on your work desks

2011-05-06 Thread Zygmunt Krynicki
W dniu 06.05.2011 12:12, James Tunnicliffe pisze: Yes, it is two buttons to press instead of one, but having a real USB switcher instead of a KVM solution where you can only switch a mouse and keyboard (the set up I have) sounds great to me. The KVM I mentioned has full selective switching

Re: Display setups on your work desks

2011-05-06 Thread Jaswinder Singh
On 6 May 2011 15:33, Alexandros Frantzis alexandros.frant...@linaro.org wrote: Unless space is a severely limiting factor, I would rather spend that money on buying separate screens/mice/keyboards. Well, for display I think a soln like KVM swith would do in this case. For mice/screen, for

Re: [Config] Select ARM_ERRATA_753970 for Pandaboard

2011-05-06 Thread Santosh Shilimkar
On 5/6/2011 2:22 PM, Paolo Pisati wrote: flag@omap:~$ dmesg | grep -A 1 L310 [0.219024] L310 cache controller enabled [0.219055] l2x0: 16 ways, CACHE_ID 0x41c4, AUX_CTRL 0x7e47, Cache size: 1048576 B ^^ according to [1],

Re: [Config] Select ARM_ERRATA_753970 for Pandaboard

2011-05-06 Thread Paolo Pisati
On 05/06/2011 03:12 PM, Santosh Shilimkar wrote: Something wrong in ID decoding. The actual PL310 version used on OMAP4430 ES2.x is r2p0 and hence errata 753970 is NA for OMAP4430 PANDA/BLAZE/SDP. weird since it's just a pci read: arm/mm/cache-l2x0.c::l2x0_init() ... cache_id =

Re: [Config] Select ARM_ERRATA_753970 for Pandaboard

2011-05-06 Thread Santosh Shilimkar
On 5/6/2011 7:03 PM, Paolo Pisati wrote: On 05/06/2011 03:12 PM, Santosh Shilimkar wrote: Something wrong in ID decoding. The actual PL310 version used on OMAP4430 ES2.x is r2p0 and hence errata 753970 is NA for OMAP4430 PANDA/BLAZE/SDP. weird since it's just a pci read:

Re: Usefulness of GCC's 64bit __sync_* ops on ARM

2011-05-06 Thread Ramana Radhakrishnan
On 6 May 2011 16:06, Ken Werner ken.wer...@linaro.org wrote: Currently the GCC ARM backend doesn't provide a pattern to inline 64bit __sync_* functions but the compiler emits __sync_*_8 function calls [1]. The libgcc does not provide these symbols via the usual thin wrapper around the kernel

Re: Optimized kernel memcpy/memset

2011-05-06 Thread David Gilbert
2011/5/6 Christian Robottom Reis k...@linaro.org: On Thu, May 05, 2011 at 04:08:01PM +0100, Måns Rullgård wrote: Incidentally, this ties into the question sent earlier this week which had to do with Nico's work item in:    

Re: Usefulness of GCC's 64bit __sync_* ops on ARM

2011-05-06 Thread Rob Herring
Ken, On 05/06/2011 10:25 AM, Richard Earnshaw wrote: On Fri, 2011-05-06 at 17:06 +0200, Ken Werner wrote: Hi, We've been thinking about adding support for the built-in functions for 64bit atomic memory access and I'd like to know if this is of any interest. Currently the main use of these

Re: Usefulness of GCC's 64bit __sync_* ops on ARM

2011-05-06 Thread Nicolas Pitre
On Fri, 6 May 2011, Ramana Radhakrishnan wrote: On 6 May 2011 16:06, Ken Werner ken.wer...@linaro.org wrote: Currently the GCC ARM backend doesn't provide a pattern to inline 64bit __sync_* functions but the compiler emits __sync_*_8 function calls [1]. The libgcc does not provide these