Finding source code for Linaro kernels

2012-01-13 Thread Dave Martin
For everyone who packages kernel trees: I've had some questions about getting the source for linaro kernel packaged, and it seems that this is still not straightforward: Getting the debian package source (i.e., flat tarball) for a binary kernel is possible, but only if it is a non-superseded ver

Re: Finding source code for Linaro kernels

2012-01-13 Thread Dave Martin
On Fri, Jan 13, 2012 at 3:52 PM, John Rigby wrote: > On Fri, Jan 13, 2012 at 6:32 AM, Dave Martin wrote: >> For everyone who packages kernel trees: >> >> >> I've had some questions about getting the source for linaro kernel >> packaged, and it seems

Re: Finding source code for Linaro kernels

2012-01-13 Thread Dave Martin
I was specifically after solving the problem for the debianised kernels. Android is an analogous but completely separate problem -- if you already have a solution there then great. > https://android-build.linaro.org/builds/~linaro-android/staging-origen/#build=142 I assume people can tell from t

Re: Finding source code for Linaro kernels

2012-01-13 Thread Dave Martin
On Fri, Jan 13, 2012 at 5:42 PM, Zach Pfeffer wrote: > On 13 January 2012 11:36, Dave Martin wrote: >> I was specifically after solving the problem for the debianised >> kernels.  Android is an analogous but completely separate problem -- >> if you already have a solu

Re: Finding source code for Linaro kernels

2012-01-24 Thread Dave Martin
somewhere. Can we then plan to implement it? If anyone has any preference for the common prefix for tag names, please speak up (otherwise we will proceed with the "ubuntu/" prefix). Cheers ---Dave On Fri, Jan 13, 2012 at 01:32:35PM +0000, Dave Martin wrote: > For everyone who packages

Re: Finding source code for Linaro kernels

2012-01-24 Thread Dave Martin
from start to end of that process without falling over is minimal, and in my experience, it doesn't happen. I think (hopefully) that my proposal robustly fixes this, but if it can be achieved more easily, I'm eager to know how. Cheers ---Dave > On 24/01/12 10:18, Dave Martin wrot

Re: Finding source code for Linaro kernels

2012-01-25 Thread Dave Martin
On Tue, Jan 24, 2012 at 9:40 PM, Zach Pfeffer wrote: [...] > > > For Android we have: > > https://android-build.linaro.org/builds/~linaro-android/panda-12.01-release/ > > we should have the same thing for Ubuntu: > > ubuntu-build.linaro.org > > with the similar information. > I'm not sure about

Re: Sources for 11.11 kernel release

2012-01-25 Thread Dave Martin
On Tue, Jan 24, 2012 at 10:50:51AM -0500, Chris Lalancette wrote: > On 01/24/2012 10:01 AM, Christian Robottom Reis wrote: > >On Tue, Jan 24, 2012 at 12:59:33PM -0200, Christian Robottom Reis wrote: > >>On Tue, Jan 24, 2012 at 09:29:34AM -0500, Chris Lalancette wrote: > >>>(I'm aware that there is

Re: Sources for 11.11 kernel release

2012-01-26 Thread Dave Martin
On Wed, Jan 25, 2012 at 04:14:10PM -0200, Christian Robottom Reis wrote: > On Tue, Jan 24, 2012 at 10:50:51AM -0500, Chris Lalancette wrote: > > In terms of finding things in the future, I have to say that there > > is a bit of a forest of git trees in linaro. At the very least, I > > would make s

Re: Finding source code for Linaro kernels

2012-01-26 Thread Dave Martin
On Wed, Jan 25, 2012 at 6:52 PM, Zach Pfeffer wrote: > On 25 January 2012 12:18, Dave Martin wrote: >> On Tue, Jan 24, 2012 at 9:40 PM, Zach Pfeffer >> wrote: >> >> [...] >> >>> >>> >>> For Android we have: >>> >>&g

Re: Linaro kernel tree for A15 for daily builds

2012-01-26 Thread Dave Martin
On Wed, Jan 25, 2012 at 09:53:21PM +0100, Zygmunt Krynicki wrote: > Hi Zach > > It takes a _long_ while to get to raw serial console login prompt of a > stripped-down ubuntu nano image. On my core i7 (first gen) the > simulator can sometimes reach around 1M instructions per second but is > usually

Re: Linaro kernel tree for A15 for daily builds

2012-01-26 Thread Dave Martin
On Wed, Jan 25, 2012 at 09:33:35PM +0100, Zygmunt Krynicki wrote: > HI. > > I'm building a LAVA service for running fast models. Quite soon (*) > we'll be ready to open an alpha access. Right now you will need to > bring your own root filesystem and kernel image to use it. With that > in mind I wa

Re: linaro blocking issue

2012-02-20 Thread Dave Martin
On Thu, Feb 16, 2012 at 05:27:21AM -0200, Christian Robottom Reis wrote: > On Thu, Feb 16, 2012 at 12:49:21PM +0530, Amit wrote: > > I am not able to install any packages related to linaro for example > > when I tried that below command > > > > sudo add-apt-repository ppa:linaro-maintainers/toolch

Re: gcc: Thumb interworking and weakly linked functions

2012-02-21 Thread Dave Martin
On Mon, Feb 20, 2012 at 06:59:53PM +0100, Ulrich Weigand wrote: > "V, Aneesh" wrote: > > > I agree that not marking the assembly functions ' %function' is a problem > > in the code, so it's not a critical bug. But I would've been happier if > > the linker refused to link it rather than branching

Re: gcc: Thumb interworking and weakly linked functions

2012-02-21 Thread Dave Martin
On Tue, Feb 21, 2012 at 12:05:54PM +0100, Ulrich Weigand wrote: > Andrew Stubbs wrote on 21.02.2012 11:56:07: > > > I'm not sure, but I believe that the compiler requires (prefers) any > > structs that you want included inside packed structs to be themselves > > packed, so you can end up with som

Re: ARM A9 oprofile

2012-02-22 Thread Dave Martin
On Wed, Feb 22, 2012 at 02:15:09PM +0400, Dmitry Antipov wrote: > Hello Ming, > > could you please give some pointers to observe an overall status of > oprofile support on ARM A9 cores? IIUC, now it doesn't work Note -- it's important to understand that there's a difference between oprofile/perf

Re: ARM A9 oprofile

2012-02-22 Thread Dave Martin
On Wed, Feb 22, 2012 at 08:14:11PM +0800, Ming Lei wrote: > On Wed, Feb 22, 2012 at 7:09 PM, Dmitry Antipov > wrote: > > On 02/22/2012 02:57 PM, Ming Lei wrote: > > > >> I didn't use oprofile before and always use 'perf', and I am sure > >> it works well with arm a9 pmu hardware on linus tree. > >

Re: ARM A9 oprofile

2012-02-22 Thread Dave Martin
On Wed, Feb 22, 2012 at 06:41:22PM +0400, Dmitry Antipov wrote: > On 02/22/2012 05:59 PM, Dave Martin wrote: > > >However, the way that the performance counter interrupts are routed is > >dependent on the SoC. OMAP4 and later have an unusual way of doing this, > >w

Re: [PATCH-WIP 01/13] xen/arm: use r12 to pass the hypercall number to the hypervisor

2012-02-27 Thread Dave Martin
On Thu, Feb 23, 2012 at 05:48:22PM +, Stefano Stabellini wrote: > We need a register to pass the hypercall number because we might not > know it at compile time and HVC only takes an immediate argument. > > Among the available registers r12 seems to be the best choice because it > is defined a

Re: [PATCH-WIP 01/13] xen/arm: use r12 to pass the hypercall number to the hypervisor

2012-02-27 Thread Dave Martin
On Mon, Feb 27, 2012 at 04:27:23PM +, Ian Campbell wrote: > On Thu, 2012-02-23 at 17:48 +, Stefano Stabellini wrote: > > We need a register to pass the hypercall number because we might not > > know it at compile time and HVC only takes an immediate argument. > > > > Among the available re

Re: [PATCH-WIP 01/13] xen/arm: use r12 to pass the hypercall number to the hypervisor

2012-02-28 Thread Dave Martin
On Mon, Feb 27, 2012 at 07:48:45PM +, Ian Campbell wrote: > On Mon, 2012-02-27 at 17:53 +0000, Dave Martin wrote: > > On Thu, Feb 23, 2012 at 05:48:22PM +, Stefano Stabellini wrote: > > > We need a register to pass the hypercall number because we might not > > >

Re: [PATCH-WIP 01/13] xen/arm: use r12 to pass the hypercall number to the hypervisor

2012-02-28 Thread Dave Martin
On Mon, Feb 27, 2012 at 07:33:39PM +, Ian Campbell wrote: > On Mon, 2012-02-27 at 18:03 +0000, Dave Martin wrote: > > On Mon, Feb 27, 2012 at 04:27:23PM +, Ian Campbell wrote: > > > On Thu, 2012-02-23 at 17:48 +, Stefano Stabellini wrote: > > > >

Sample big.LITTLE model boot images

2012-02-28 Thread Dave Martin
Hi all, I've added some detailed info on the wiki about how to go about building bootable images for the big.LITTLE components, here: https://wiki.linaro.org/Internal/Projects/Big.Little.Switcher/ARMFastModelsHowto For the benefit of anyone who can't see that page, I've also pasted it here -- if

Re: [PATCH-WIP 01/13] xen/arm: use r12 to pass the hypercall number to the hypervisor

2012-02-29 Thread Dave Martin
On Tue, Feb 28, 2012 at 12:28:29PM +, Stefano Stabellini wrote: > On Tue, 28 Feb 2012, Ian Campbell wrote: > > On Tue, 2012-02-28 at 10:20 +0000, Dave Martin wrote: > > > On Mon, Feb 27, 2012 at 07:33:39PM +, Ian Campbell wrote: > > > > On Mon, 2012-02-27 at

Re: [PATCH-WIP 01/13] xen/arm: use r12 to pass the hypercall number to the hypervisor

2012-02-29 Thread Dave Martin
On Wed, Feb 29, 2012 at 09:56:02AM +, Ian Campbell wrote: > On Wed, 2012-02-29 at 09:34 +0000, Dave Martin wrote: > > On Tue, Feb 28, 2012 at 12:28:29PM +, Stefano Stabellini wrote: > > > > I don't have a very strong opinion on which register we should use, but &

Re: [PATCH-WIP 01/13] xen/arm: use r12 to pass the hypercall number to the hypervisor

2012-02-29 Thread Dave Martin
On Wed, Feb 29, 2012 at 09:56:02AM +, Ian Campbell wrote: > On Wed, 2012-02-29 at 09:34 +0000, Dave Martin wrote: > > On Tue, Feb 28, 2012 at 12:28:29PM +, Stefano Stabellini wrote: > > > > I don't have a very strong opinion on which register we should use, but &

Re: Do ARM Cortex-A9 PMU supoort oprofile

2012-03-01 Thread Dave Martin
On Wed, Feb 29, 2012 at 11:21:58PM +0800, zachary6626 wrote: > Sorry disturbing you! > > I have ask google for do ARM Cortex-A9 PMU supoort oprofile, but it do not > have a answer definitely . > > So i ask you do ARM Cortex-A9 PMU supoort oprofile. > > Can u help me? In general, yes it does wo

Re: [PATCH-WIP 01/13] xen/arm: use r12 to pass the hypercall number to the hypervisor

2012-03-01 Thread Dave Martin
On Wed, Feb 29, 2012 at 02:44:24PM +, Ian Campbell wrote: > On Wed, 2012-02-29 at 12:58 +0000, Dave Martin wrote: > > On Wed, Feb 29, 2012 at 09:56:02AM +, Ian Campbell wrote: > > > On Wed, 2012-02-29 at 09:34 +, Dave Martin wrote: > > > > On Tue, Fe

Re: [PATCH-WIP 01/13] xen/arm: use r12 to pass the hypercall number to the hypervisor

2012-03-01 Thread Dave Martin
On Wed, Feb 29, 2012 at 02:52:38PM +, Stefano Stabellini wrote: > On Wed, 29 Feb 2012, Dave Martin wrote: > > On Wed, Feb 29, 2012 at 09:56:02AM +, Ian Campbell wrote: > > > On Wed, 2012-02-29 at 09:34 +, Dave Martin wrote: > > > > On Tue, Feb 28, 201

Re: [PATCH-WIP 01/13] xen/arm: use r12 to pass the hypercall number to the hypervisor

2012-03-01 Thread Dave Martin
On Thu, Mar 01, 2012 at 10:10:29AM +, Russell King - ARM Linux wrote: > On Wed, Feb 29, 2012 at 12:58:26PM +0000, Dave Martin wrote: > > On Wed, Feb 29, 2012 at 09:56:02AM +, Ian Campbell wrote: > > > On Wed, 2012-02-29 at 09:34 +, Dave Martin wrote: > > > &

Re: [PATCH-WIP 01/13] xen/arm: use r12 to pass the hypercall number to the hypervisor

2012-03-08 Thread Dave Martin
On Thu, Mar 08, 2012 at 09:58:23AM +, Richard Earnshaw wrote: > On 02/03/12 21:15, Nicolas Pitre wrote: > > [ coming back from vacation and trying to catch up ] > > > > On Wed, 29 Feb 2012, Dave Martin wrote: > > > >> Just had a chat with some tools guys

Re: [PATCH-WIP 01/13] xen/arm: use r12 to pass the hypercall number to the hypervisor

2012-03-09 Thread Dave Martin
On Thu, Mar 8, 2012 at 6:47 PM, Richard Earnshaw wrote: > On 08/03/12 17:21, Nicolas Pitre wrote: >> On Thu, 8 Mar 2012, Richard Earnshaw wrote: >> >>> On 02/03/12 21:15, Nicolas Pitre wrote: So, to me, the gcc documentation is perfectly clear on this topic. there really _is_ a guarantee

Gmail corrupting spaces in plain-text mail?

2012-03-21 Thread Dave Martin
to patches via webmail", does anyone know a workaround? Cheers ---Dave - Forwarded message from Dave Martin - MIME-Version: 1.0 Received: by 10.52.19.176 with HTTP; Wed, 21 Mar 2012 08:31:28 -0700 (PDT) In-Reply-To: <20120321153006.ga2...@linaro.org> References: <201203211

Re: Gmail corrupting spaces in plain-text mail?

2012-03-21 Thread Dave Martin
On Wed, Mar 21, 2012 at 10:06:54AM -0600, Joey STANFORD wrote: > Not much help but the going work-around is to not use the webmail > interface for this and use mutt, thunderbird, etc. via imap and smtp. > The added advantage there is you can add extensions to linkify bugs > and such for places l

Re: Gmail corrupting spaces in plain-text mail?

2012-03-21 Thread Dave Martin
On Wed, Mar 21, 2012 at 12:20:22PM -0400, Amber Graner wrote: > I had this happen as well, when using gmail in Chromium for things that I > would cut and paste; however, it did not happen in Firefox. The way I > worked around it was to use Firefox or barring that I would save the email > as a draf

Re: Gmail corrupting spaces in plain-text mail?

2012-03-22 Thread Dave Martin
On Thu, Mar 22, 2012 at 09:18:36AM -0600, Joey STANFORD wrote: > I did actually. If anyone has any examples of the "plague of question > marks" that we think are caused by this, let me know and I'll add it > to the case. Now I've had a chance to look into this, it seems that the plague of question

Re: [PATCH] arm: Handle device tree memory regions larger than 4GB

2012-07-06 Thread Dave Martin
On Fri, Jul 06, 2012 at 07:07:35PM +0100, Peter Maydell wrote: > On 6 July 2012 00:27, Rob Herring wrote: > > I would just change arm_add_memory to use phys_addr_t for the size > > param. This ultimately calls memblock functions which use phys_addr_t > > for sizes. > > So I have a patch that does

Re: [PATCH] arm: Handle device tree memory regions larger than 4GB

2012-07-09 Thread Dave Martin
On Sat, Jul 07, 2012 at 10:57:40AM -0500, Rob Herring wrote: > On 07/07/2012 05:36 AM, Peter Maydell wrote: > > On 6 July 2012 20:26, Dave Martin wrote: > >> On Fri, Jul 06, 2012 at 07:07:35PM +0100, Peter Maydell wrote: > >>> On 6 July 2012 00:27, Rob Herring wro

Re: [PATCH v2 02/23] xen/arm: hypercalls

2012-08-08 Thread Dave Martin
On Mon, Aug 06, 2012 at 03:27:05PM +0100, Stefano Stabellini wrote: > Use r12 to pass the hypercall number to the hypervisor. > > We need a register to pass the hypercall number because we might not > know it at compile time and HVC only takes an immediate argument. > > Among the available regist

Re: [PATCH v2 02/23] xen/arm: hypercalls

2012-08-09 Thread Dave Martin
On Thu, Aug 09, 2012 at 04:37:24PM +0100, Stefano Stabellini wrote: > On Wed, 8 Aug 2012, Dave Martin wrote: > > On Mon, Aug 06, 2012 at 03:27:05PM +0100, Stefano Stabellini wrote: > > > Use r12 to pass the hypercall number to the hypervisor. > > > > > > We n

Re: New fast models device-tree topic for linux-linaro

2012-08-15 Thread Dave Martin
On Wed, Aug 15, 2012 at 05:47:19PM +0100, Jon Medhurst (Tixy) wrote: > Hi Andrey > > Can you include a new topic to linux-linaro which contains device-tree > files for ARM's fast models? This branch is tracking-armlt-rtsm [1] in > the ARM LT working tree. > > Thanks > > For those interested... >

Re: [PATCH] bootwrapper: Use local definition of string.h

2012-09-04 Thread Dave Martin
On Tue, Sep 04, 2012 at 04:26:32PM +0100, Jon Medhurst (Tixy) wrote: > On Tue, 2012-09-04 at 16:10 +0100, Peter Maydell wrote: > > On 4 September 2012 15:57, Jon Medhurst (Tixy) wrote: > > > diff --git a/string.h b/string.h > > > new file mode 100644 > > > index 000..f1aebdf > > > --- /dev/nul

[RFC PATCH 1/3] bootwrapper: Fix misaligned Hyp mode vector table

2012-09-05 Thread Dave Martin
Currently, it looks like we rely on luck in order to fall through to the correct vector when a Hyp Trap exception occurs. This patch aligns the Hyp mode vector table explicitly to a 32-byte boundary, as required by the architecture. Signed-off-by: Dave Martin --- boot.S | 24

[RFC PATCH 3/3] bootwrapper: Delay switch to Hyp mode until kernel entry

2012-09-05 Thread Dave Martin
Signed-off-by: Dave Martin --- boot.S| 15 +-- semi_loader.h |6 -- 2 files changed, 17 insertions(+), 4 deletions(-) diff --git a/boot.S b/boot.S index 128f74e..8ab68ba 100644 --- a/boot.S +++ b/boot.S @@ -96,8 +96,6 @@ start: mov r7, #0xfff0

[RFC PATCH 2/3] bootwrapper: Refactor entry into Hyp mode to be more reusable

2012-09-05 Thread Dave Martin
* Split Hyp mode entry out into a separate macro. * hvc now jumps back to the caller in Hyp mode instead of branching to a fixed label. Signed-off-by: Dave Martin --- boot.S | 23 +++ 1 files changed, 15 insertions(+), 8 deletions(-) diff --git a/boot.S b/boot.S

[RFC PATCH 0/3] Delay switch to Non-Secure Hyp until kernel entry

2012-09-05 Thread Dave Martin
eview also welcome (naturally) Cheers ---Dave Dave Martin (3): bootwrapper: Fix misaligned Hyp mode vector table bootwrapper: Refactor entry into Hyp mode to be more reusable bootwrapper: Delay switch to Hyp mode until kernel entry boot.S

[PATCH v2 3/3] bootwrapper: Delay switch to Hyp mode until kernel entry

2012-09-06 Thread Dave Martin
Signed-off-by: Dave Martin --- boot.S| 15 +-- semi_loader.h |6 -- 2 files changed, 17 insertions(+), 4 deletions(-) diff --git a/boot.S b/boot.S index 128f74e..fe7acdf 100644 --- a/boot.S +++ b/boot.S @@ -96,8 +96,6 @@ start: mov r7, #0xfff0

[PATCH v2 1/3] bootwrapper: Fix misaligned Hyp mode vector table

2012-09-06 Thread Dave Martin
Currently, it looks like we rely on luck in order to fall through to the correct vector when a Hyp Trap exception occurs. This patch aligns the Hyp mode vector table explicitly to a 32-byte boundary, as required by the architecture. Signed-off-by: Dave Martin --- boot.S | 24

[PATCH v2 0/3] Delay switch to Non-Secure Hyp until kernel entry

2012-09-06 Thread Dave Martin
least reaches the kernel now. Cheers ---Dave Dave Martin (3): bootwrapper: Fix misaligned Hyp mode vector table bootwrapper: Refactor entry into Hyp mode to be more reusable bootwrapper: Delay switch to Hyp mode until kernel ent

[PATCH v2 2/3] bootwrapper: Refactor entry into Hyp mode to be more reusable

2012-09-06 Thread Dave Martin
* Split Hyp mode entry out into a separate macro. * hvc now jumps back to the caller in Hyp mode instead of branching to a fixed label. Signed-off-by: Dave Martin --- boot.S | 23 +++ 1 files changed, 15 insertions(+), 8 deletions(-) diff --git a/boot.S b/boot.S

Generating ancillary sections with gas

2011-06-17 Thread Dave Martin
Hi Michael, This thread about how to generate ancillary sections using gas has resurfaced again. Do you know who might be available from the toolchain group to take a look at this? It appears that this issue can best be solved by a change to gas (or, possibly, to gcc). Cheers ---Dave Referenc

Getting rid of alignment faults in userspace

2011-06-17 Thread Dave Martin
Hi all, I've recently become aware that a few packages are causing alignment faults on ARM, and are relying on the alignment fixup emulation code in the kernel in order to work. Such faults are very expensive in terms of CPU cycles, and can generally only result from wrong code (for example, C/C+

Re: Getting rid of alignment faults in userspace

2011-06-20 Thread Dave Martin
On Fri, Jun 17, 2011 at 11:53:21PM +0100, Paul Brook wrote: > > >> There is still going to be a small cost even in hardware fixup so this > > >> is very much worth solving despite it's "becoming invisible" because the > > >> chips are hiding / solving it already. > > > > > > But I believe that h/w

Re: Getting rid of alignment faults in userspace

2011-06-20 Thread Dave Martin
On Sat, Jun 18, 2011 at 03:17:59PM -0400, Nicolas Pitre wrote: > On Sat, 18 Jun 2011, Arnaud Patard wrote: > > > Dave Martin writes: > > Hi, > > > > > Hi all, > > > > > > I've recently become aware that a few packages are causing alignme

Re: Getting rid of alignment faults in userspace

2011-06-20 Thread Dave Martin
On Sat, Jun 18, 2011 at 10:48:16AM -0400, Nicolas Pitre wrote: > On Sat, 18 Jun 2011, Arnd Bergmann wrote: > > > On Friday 17 June 2011, Nicolas Pitre wrote: > > > On Fri, 17 Jun 2011, Arnd Bergmann wrote: > > > > On Friday 17 June 2011 14:10:11 Dave Martin wro

Re: Getting rid of alignment faults in userspace

2011-06-20 Thread Dave Martin
On Fri, Jun 17, 2011 at 03:23:49PM -0700, Steve Langasek wrote: > On Fri, Jun 17, 2011 at 01:10:11PM +0100, Dave Martin wrote: > > > For ARM, we can achieve the goal by augmenting the default kernel command- > > line options: either > > > alignment=3 > >

Re: Compiling kernel for panda linaro natty 11.05

2011-06-21 Thread Dave Martin
On Tue, Jun 21, 2011 at 12:52:12PM +0530, Amit Mahajan wrote: > On Tue, 2011-06-21 at 12:14 +0530, Avik Sil wrote: > > On Tuesday 21 June 2011 12:06 PM, Amit Mahajan wrote: > > > Hi, > > > > > > I have booted panda board using 11.05 natty release of ubuntu. It worked > > > great. > > > > > > Now,

Re: Compiling kernel for panda linaro natty 11.05

2011-06-21 Thread Dave Martin
On Tue, Jun 21, 2011 at 08:24:19AM -0500, Andy Doan wrote: > On 06/21/2011 01:44 AM, Avik Sil wrote: > > On Tuesday 21 June 2011 12:06 PM, Amit Mahajan wrote: > >> Hi, > >> > >> I have booted panda board using 11.05 natty release of ubuntu. It worked > >> great. > >> > >> Now, I am trying to compil

Re: Please help us setup patches.linaro.org

2011-06-21 Thread Dave Martin
Hi there, Login on patches.linaro.org appears broken. When I try to log in, I get this: OpenID failed OpenID discovery error: Error fetching XRDS document: (28, 'connect() timed out!') This has been happening for about 2 days, but it was working prior to that. Cheers ---Dave

Re: Please help us setup patches.linaro.org

2011-06-22 Thread Dave Martin
On Tue, Jun 21, 2011 at 03:27:07PM -0300, Guilherme Salgado wrote: > Hi Dave, > > Thanks for reporting it. This was fallout from when IS restarted the > machine to add more disk, and they're working on it right now. It should > be fixed RSN. It seems to be working again now. Thanks! ---Dave __

Re: problem with todays linux-linaro-2.6.39 and THUMB2 kernel

2011-06-23 Thread Dave Martin
On Thu, Jun 23, 2011 at 01:10:27PM -0400, Nicolas Pitre wrote: > On Thu, 23 Jun 2011, John Rigby wrote: > > > I thought this was new but it has been around for awhile. My default > > config was not turning on THUMB2 kernel so I only saw it today. > > Old known issue. I wonder why I didn't stumb

Building/testing linaro kernels in Thumb-2

2011-06-27 Thread Dave Martin
There are brief notes about how to enable Thumb-2 kernel building here: https://wiki.linaro.org/Resources/HowTo/KernelDeploy#From_a_generic_base Currently, omap and vexpress are known to work in this configuration, and mx51evk seems to have basic support. Other platforms might not work at all.

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

2011-07-05 Thread Dave Martin
On Fri, Jul 1, 2011 at 6:10 PM, David Gilbert wrote: > Hi All, >  I've just submitted the patches for the 64 bit atomic stuff to the > gcc-patches list. > Richard Henderson has raised the question of why the ARM commpage isn't a full > VDSO and, if it was, then it would make the version number che

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

2011-07-08 Thread Dave Martin
On Fri, Jul 08, 2011 at 09:03:51AM -0700, Richard Henderson wrote: > On 07/07/2011 04:21 PM, David Gilbert wrote: > >> We could possibly wrap the vectors page to make it look like a DSO in > >> a forwards-compatible way, but since this has not happened so far it > >> feels like people never saw muc

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

2011-07-08 Thread Dave Martin
On Fri, Jul 08, 2011 at 12:21:27AM +0100, David Gilbert wrote: > On 5 July 2011 15:49, Dave Martin wrote: > > On Fri, Jul 1, 2011 at 6:10 PM, David Gilbert > > wrote: [...] > My patch is having to test an arbitrary address in the commpage in > init code to see if it

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

2011-07-11 Thread Dave Martin
On Fri, Jul 08, 2011 at 11:36:30AM -0700, Richard Henderson wrote: > On 07/08/2011 09:55 AM, Dave Martin wrote: > > Talking to Will Deacon about this, it sounds like there may be little > > appetite for VDSO-ifying the vectors page unless there's a real, concrete > > be

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

2011-07-11 Thread Dave Martin
On Sat, Jul 09, 2011 at 12:29:01AM +0100, Peter Maydell wrote: > On 8 July 2011 19:32, Nicolas Pitre wrote: > > On Fri, 8 Jul 2011, Dave Martin wrote: > >> On Fri, Jul 08, 2011 at 12:21:27AM +0100, David Gilbert wrote: > >> > Nicolas just added; Richard's ar

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

2011-07-11 Thread Dave Martin
On Mon, Jul 11, 2011 at 10:42:27AM +0100, Richard Sandiford wrote: > Dave Martin writes: > > IFUNC doesn't solve the problem because either it gets resolved > > lazily (violating the above principle (*)), or we have to force _all_ > > symbols to resolve at startup, w

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

2011-07-11 Thread Dave Martin
On Mon, Jul 11, 2011 at 10:42:27AM +0100, Richard Sandiford wrote: > Dave Martin writes: > > IFUNC doesn't solve the problem because either it gets resolved > > lazily (violating the above principle (*)), or we have to force _all_ > > symbols to resolve at startup, w

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

2011-07-12 Thread Dave Martin
On Mon, Jul 11, 2011 at 01:00:08PM +0100, David Gilbert wrote: > On 11 July 2011 12:30, Dave Martin wrote: > > On Mon, Jul 11, 2011 at 10:42:27AM +0100, Richard Sandiford wrote: > >> Dave Martin writes: > >> > IFUNC doesn't solve the problem because ei

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

2011-07-12 Thread Dave Martin
On Tue, Jul 12, 2011 at 01:10:24PM +0100, David Gilbert wrote: > On 12 July 2011 11:43, Dave Martin wrote: > > > Just for context, I had a quick play to get a feel for the feasibility of > > implementing this directly, without relying either on a VDSO or on IFUNC. > > I

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

2011-07-12 Thread Dave Martin
On Tue, Jul 12, 2011 at 02:25:09PM +0100, Richard Sandiford wrote: > Sorry, should have included this in my last reply. > > Dave Martin writes: > >> Also, remember this whole discussion is just to print a message and exit > >> nicely > >> in the case of someo

Re: linaro-pm kernel compilation error

2011-07-26 Thread Dave Martin
On Mon, Jul 25, 2011 at 12:55:54PM +0200, Daniel Lezcano wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > > Hi All, > > I was trying to compile the kernel tree located at: > > http://git.linaro.org/gitweb?p=people/amitk/linux-linaro-pmwg.git;a=summary What branch and what tag or he

Re: Single zImage at Linaro Connect

2011-07-28 Thread Dave Martin
On Wed, Jul 27, 2011 at 10:58:36PM -0400, Nicolas Pitre wrote: > > To everyone, and especially to those who are expected to work on this > topic next week, please find below a list of tasks that needs to be > investigated and/or accomplished. I'll coordinate the work and collect > patches for

Re: Single zImage at Linaro Connect

2011-07-29 Thread Dave Martin
On Thu, Jul 28, 2011 at 09:42:15PM +0200, Arnd Bergmann wrote: > On Thursday 28 July 2011 14:44:17 Nicolas Pitre wrote: > > > > > > We could even embed the printch() function body into the DT if we > > > wanted to make the kernel's job even simpler. Realistic implementations > > > of this functio

Re: Single zImage at Linaro Connect

2011-07-29 Thread Dave Martin
On Thu, Jul 28, 2011 at 02:44:17PM -0400, Nicolas Pitre wrote: > On Thu, 28 Jul 2011, Dave Martin wrote: [...] > > Currently, device tree is not fully supported upstream for vexpress. > > Lorenzo Pieralisi wrote some patches, but there were a few outstanding > > issues and

Re: [frederik.lot...@arm.com: [UBUNTU] linaro-media-create failing]

2011-08-16 Thread Dave Martin
On Tue, Aug 16, 2011 at 09:41:29AM -0500, Zach Pfeffer wrote: > I've used the following commands to create an Ubuntu build if it helps: > > wget > http://snapshots.linaro.org/11.05-daily/linaro-ubuntu-desktop/20110728/1/images/tar/linaro-n-ubuntu-desktop-tar-20110728-1.tar.gz > > wget > http://

Proposed change to https://wiki.linaro.org/Platform/DevPlatform/Ubuntu/ImageInstallation

2011-08-16 Thread Dave Martin
Can anyone see a reason not to make this change? On a couple of occasions I've had people come to me with problems after failing to do apt-get update and then installing (old) linaro tools packages, when following the installation instructions on the linaro wiki. It's harmless (and probably neces

Linux kernel review tags (Re: [PATCH 0/3] Fix Thumb-2 undef handling for mixed-arch kernels)

2011-08-17 Thread Dave Martin
On Tue, Aug 16, 2011 at 05:43:08PM +0100, Tixy wrote: > On Tue, 2011-08-16 at 17:06 +0100, Dave Martin wrote: > > On Tue, Aug 16, 2011 at 3:58 PM, Tixy wrote: [...] > I've been re-reading Documentation/SubmittingPatches to try and work out > when it's appropriate to use

Re: 3D Demo at ARM

2011-08-17 Thread Dave Martin
om the kernel anyways (at >> least for such benchmark) that way you are sure you are really looking at >> GCC improvements. similarly you can run the same user space with both >> kernels. >> >> > > ___ > li

Re: Proposed change to https://wiki.linaro.org/Platform/DevPlatform/Ubuntu/ImageInstallation

2011-08-17 Thread Dave Martin
On Tue, Aug 16, 2011 at 03:13:10PM -0300, Christian Robottom Reis wrote: > On Tue, Aug 16, 2011 at 05:19:30PM +0100, Dave Martin wrote: > > Can anyone see a reason not to make this change? On a couple of > > occasions I've had people come to me with problems after failing to d

Re: Linux kernel review tags (Re: [PATCH 0/3] Fix Thumb-2 undef handling for mixed-arch kernels)

2011-08-18 Thread Dave Martin
On Wed, Aug 17, 2011 at 6:24 PM, Nicolas Pitre wrote: > On Wed, 17 Aug 2011, Dave Martin wrote: > >> Acked-by = This patch is definitely right, or I fully agree with the >>       patch and trust the author's judgement ("I will share >>       responsibility for t

Re: Linux kernel review tags (Re: [PATCH 0/3] Fix Thumb-2 undef handling for mixed-arch kernels)

2011-08-19 Thread Dave Martin
On Thu, Aug 18, 2011 at 10:18:10PM -0400, Nicolas Pitre wrote: > On Thu, 18 Aug 2011, Dave Martin wrote: > > > On Wed, Aug 17, 2011 at 6:24 PM, Nicolas Pitre > > wrote: > > > On Wed, 17 Aug 2011, Dave Martin wrote: > > > > > >> Acked-by = This

Re: Linaro 11.08 released

2011-08-26 Thread Dave Martin
gn them to: > >  http://www.launchpad.net/linaro > > Cheers, > > -- > Fathi Boudra, on behalf of the Release Team > Linaro Release Manager | Platform Project Manager > Linaro.org | Open source software for ARM SoCs > > _

Re: Linaro 11.08 released

2011-08-26 Thread Dave Martin
On Fri, Aug 26, 2011 at 1:06 PM, Dave Martin wrote: [...] > the impact of bugs in releases.  For example, bug 824545 means that > the user will get an unbootable image on some boards by following our > instructions -- that feels like the kind of thing that definitely needs to be >

Re: [NOTES] Kernel WG Weekly Status report for week ending 2011-08-26

2011-08-26 Thread Dave Martin
On Fri, Aug 26, 2011 at 3:29 PM, Christian Robottom Reis wrote: > On Fri, Aug 26, 2011 at 09:07:44AM -0500, Mounir Bsaibes wrote: >>  * Integrated patch set for Qualcomm Hexagon architecture > > Interesting. What exactly is this? > >>  * The v6/v7 single kernel patches are now accepted by Russell;

Re: Erro "make: *** /lib/modules/2.6.38-1003-linaro-omap/build: No such file or directory."

2011-08-31 Thread Dave Martin
Hi there, On Fri, Aug 26, 2011 at 05:38:11PM +0100, Juan Gao wrote: > Dear Linaro team, > > I have a problem when I try to make a module. > > To make the module file xx.c, I have the following command line in my > Makefile: > > make -C /lib/modules/$(shell uname -r)/build M=$(pwd) modules > > a

Re: trouble building linux-linaro-3.0-2011.08-0

2011-08-31 Thread Dave Martin
On Mon, Aug 22, 2011 at 10:42:39AM -0300, Christian Robottom Reis wrote: > On Sun, Aug 21, 2011 at 09:54:56PM -0400, Nicolas Pitre wrote: > > > AS arch/arm/boot/compressed/head.o > > > arch/arm/boot/compressed/head.S: Assembler messages: > > > arch/arm/boot/compressed/head.S:127: Error: sele

Re: 11.07 oprofile on panda busted?

2011-08-31 Thread Dave Martin
On Thu, Aug 25, 2011 at 04:48:57PM -0500, Tom Gall wrote: > Hi all, > > Say has anyone else run oprofile on recent builds on panda? > > By recent I mean say anything since 11.07? Reason for asking is I'm > seeing basically a very very small number of samples being recorded... > as in there's no

Re: ARM CPU part numbers

2011-09-07 Thread Dave Martin
On Mon, Sep 05, 2011 at 11:10:10AM +0100, Peter Maydell wrote: > On 5 September 2011 10:52, Marcin Juszkiewicz > wrote: > > W dniu 05.09.2011 11:28, Andrew Stubbs pisze: > >> Next question ... is /proc/cpuinfo really the best way to detect this? > >> > >> I mean, is auxv a better approach? Or some

Re: auxv + neon

2011-09-07 Thread Dave Martin
On Tue, Sep 06, 2011 at 04:24:32PM +0100, Peter Maydell wrote: > On 6 September 2011 16:09, Andy Doan wrote: > > On 09/05/2011 11:35 AM, Christian Robottom Reis wrote: > >> On Sat, Sep 03, 2011 at 09:10:58PM +0800, Jim Huang wrote: > >>> 2011/9/3 Tom Gall : > Is a method via the aux vectors t

Re: auxv + neon

2011-09-07 Thread Dave Martin
On Tue, Sep 06, 2011 at 02:47:48PM +0100, David Gilbert wrote: > On 6 September 2011 14:38, Mans Rullgard wrote: > > > I have an old kernel patch somewhere that allows userspace to read the > > ID register > > by emulating the relevant MRC in the illegal instruction trap handler.   > > Perhaps >

Re: ARM CPU part numbers

2011-09-07 Thread Dave Martin
On Wed, Sep 07, 2011 at 11:37:12AM +0200, Arnd Bergmann wrote: > On Wednesday 07 September 2011 10:32:27 Dave Martin wrote: > > Note that the hwcaps info in /proc/cpuinfo is generated from the same > > hwcaps word exposed via auxv so, for now, the information is identical. &

people summaries broken on status.linaro.org

2011-09-12 Thread Dave Martin
Hi all, I don't remember off the top of my head who maintains status.linaro.org, but the people summaries don't seem to be working for me: http://status.linaro.org/11.11/people.html I just get a page with the following. Cheers ---Dave People These are all of the people. Click on any to see t

Making it easier for Linaro users to help themselves

2011-09-27 Thread Dave Martin
Hi all, Over recent months I've had a steady stream of comments from external people trying to use the Linaro deliverables about the difficulty of getting started, understanding what Linaro produces and how to use it. My experience with supporting users is that using and making sense of the lina

Re: [CALL FOR TESTING] Linaro 11.09 Release Candidate

2011-09-28 Thread Dave Martin
On Tue, Sep 27, 2011 at 04:30:07AM +0300, Fathi Boudra wrote: > Hi, > > In preparation for the release of Linaro 11.09 images on 2011-09-29, we have > collected candidate submissions for our Linaro Evaluation Build (LEB), > Developers and Community images. > > All primary developement boards supp

Fwd: Cambridge, UK PGP key signing meeting. Thursday 13th Oct

2011-10-07 Thread Dave Martin
FYI, for people in Cambridge, UK next week Reply to Jonathan Cameron (below) if you are interested in attending. For up-to-date guidelines on creating keys, try this: http://www.debian.org/events/keysigning Cheers ---Dave -- Forwarded message -- From: Ralf Baechle Date: Thu, Oc

Thumb-2 kernel guide now on the wiki

2011-10-07 Thread Dave Martin
Hi all, For kernel guys and landing teams, I've posted some kernel-specific info on mirating to Thumb-2 here: https://wiki.linaro.org/WorkingGroups/Kernel/Thumb2Guide If your kernel tree isn't building in Thumb-2 yet, please do take a look. Let me know if you want more information on anything, o

All recent hwpack builds on snapshots.linaro.org are failing...

2011-10-07 Thread Dave Martin
Hi all, does anyone know why all the hwpack builds have started failing? See, for example: http://snapshots.linaro.org/11.05-daily/linaro-hwpacks/panda/20111006/0/build-log.txt ...a similar problem seems to have affected the recent builds for every hwpack. Looks like some build-depends package

Re: Linaro CI hwpack name improvements

2011-10-10 Thread Dave Martin
On Mon, Oct 10, 2011 at 02:22:05PM +0200, Alexander Sack wrote: > On Mon, Oct 10, 2011 at 2:08 PM, Loïc Minier wrote: > > > On Mon, Oct 10, 2011, Deepti Kalakeri wrote: > > > 1) The board on which the hwpack can be booted > > > 2) The hwpack creation timestamp includes the date in mmdd format

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