On Tue, 16 Jan 2018 22:15:39 +0530, inventsekar said:
> PS - when I send mail to this DL, I thought I would receive my own
> mail(similar to Google groups DL), as I am already member of the DL, but I
> am not getting my own mail, so I get confusion whether my mail was sent or
> not. On the subscri
On Mon, 15 Jan 2018 14:49:46 +0100, Greg KH said:
> So find the workflow that works best for you, the one that works best
> for me, probably doesn't work for anyone else :)
Amen. I'm probably the only person who manages linux-kernel mail
with fetchmail/procmail/exmh. ;)
pgp91sBPSx_ex.pgp
Descri
On Wed, 10 Jan 2018 09:57:06 +0100, Greg KH said:
> On Wed, Jan 10, 2018 at 08:37:42AM +, Douglas Su wrote:
> > vger.kernel.org gave this error:
> > Hello [40.92.4.67], for your MAIL FROM address
> > policy analysis reported: Your address is not liked source for email.
> >
> > I searc
On Sat, 06 Jan 2018 17:44:46 +0100, Farouk Maâboudallah said:
> I'm new here with you guys. I have been using Linux for 6 months ... And
> now I'm looking forward to develop and improve my skills.
> I'm a student in digital mechanics which means developing, programming and
> simulating in mechanic
On Sat, 30 Dec 2017 15:27:17 +0300, Anatoly Pugachev said:
> I'm using / testing a git kernel upstream on my hardware (sparc64 /
> ppc64 / ia64 ).
> Only this time, installing latest git kernel, I get a sigserv on
> sparc64 from klibc utility (fstype), and posted about it to mailing
> list.
> So,
On Sat, 30 Dec 2017 15:05:46 +0300, Anatoly Pugachev said:
> On Sat, Dec 30, 2017 at 3:00 PM, wrote:
> > On Sat, 30 Dec 2017 13:54:05 +0300, Anatoly Pugachev said:
> >> Hello!
> >>
> >> Can someone please help me in building debug version of klibc ?
> >>
> >> I've cloned git://git.kernel.org/pub/
On Sat, 30 Dec 2017 13:54:05 +0300, Anatoly Pugachev said:
> Hello!
>
> Can someone please help me in building debug version of klibc ?
>
> I've cloned git://git.kernel.org/pub/scm/libs/klibc/klibc.git , but
> failed to build it with debug info
>
> added "-g" to HOSTCFLAGS in Makefile, but
Hint:
On Wed, 20 Dec 2017 02:28:40 +0530, Harsha Sharma said:
> Using `make localmodconfig` doesn't load module nfnetlink in which I'm
> making the changes.
'make localmodconfig' simply uses the output of 'lsmod' - so if you want
nfnetlink included, simply modprobe a module called nfnetlink before you
On Tue, 19 Dec 2017 22:15:02 +0530, Harsha Sharma said:
> This is the output of make.
> Building modules, stage 2.
> MODPOST 4905 modules
> fs/ufs/ufs.o: Invalid argument
> scripts/Makefile.modpost:92: recipe for target '__modpost' failed
You didn't fill up the filesystem you were building i
On Tue, 19 Dec 2017 18:33:51 +0530, Harsha Sharma said:
> cp: cannot stat 'net/nsh/nsh.ko': No such file or directory
There was almost certainly a compile error for this. Go back and look
at the 'make' output.
make |& tee build.output is your friend.
pgpoAsJs2Hmtv.pgp
Description: PGP sig
On Wed, 13 Dec 2017 23:01:57 -0800, Rajasekaran Chandrasekaran said:
> In our multi-core x86 based system that is running 3.4.19 version of
As Greg already pointed out, that's ancient history suitable only for kernel
archaeologists and masochists.
> Problem:
>
> Inside hrtimer_interrupt function
On Tue, 12 Dec 2017 20:14:35 +0100, Damian Tometzki said:
> How are the bits (in brackets) calculated in the virtual memory map ?
For x86_64 architecture, the 47 comes from the fact that currently shipping
CPUs have an architected 48 bit wide memory address bus, and the fact that
Linux does a "us
On Sat, 09 Dec 2017 11:04:09 +0330, alireza sanaee said:
> I think if it works in that way, it doesn't make sense at all Parent
> and child ordering rules should preserve even on different cores!
Find where in kernel/sched.c there's specific code to guarantee that
if the child/parent is start
On Thu, 07 Dec 2017 15:12:15 -0800, Daniel Walker said:
> So typically you have a process which updates the watchdog periodically
> which I call a petting process. As I said the purpose is to trigger the
> watchdog by starving the petting process (i.e. kick process) , then the
> watchdog reboots t
On Wed, 06 Dec 2017 16:32:26 -0800, Daniel Walker said:
> and it works sometimes on UP, but it doesn't work on SMP. I also tried
Thinking about *why* that hangs a UP should explain why it doesn't work
on SMP.
> adding in "taskset" to pin multiple version of the "yes" command to each
> cpu in the
On Wed, 06 Dec 2017 10:07:44 +0700, Mulyadi Santosa said:
> If it is indeed coming from nfs mount, check if it is mounted in
> synchronous mode, and try to switch to async. See if it made any differences
Do note that async mode, due to how it works, *does* open a possibility
of data loss - on a w
On Tue, 05 Dec 2017 12:03:56 +0800, Yun-Chih Chen said:
> > 2) cat /proc/NNN/stack will give you a hint where the syscall is wedged.
>
> http://ix.io/CMN
> It seems that they all have something to do with autofs or filesystem.
Fortunately, you've hit an actually fixable problem that you may n
On Tue, 05 Dec 2017 09:37:26 +0800, Yun-Chih Chen said:
> Does anyone know of any hacks that remove a D-state dead process whose
> parent is pid=1 (actually systemd), without rebooting?
The problem is that D state means that the process is in the middle of a system
call. That means that kernel r
On Fri, 01 Dec 2017 20:21:36 +, Chris Obbard said:
> The drivers Iâm releasing probably donât belong in the kernel
Again: Why are you saying that? It wouldn't be the first time we
carried a driver for an uncommon device (heck, we carried an
entire *architecture* for several years for a
On Wed, 29 Nov 2017 11:16:05 +, Chris Obbard said:
> Currently I am writing drivers for ARM boards (think along the lines of
> Raspberry Pi HATs, it doesn't belong in mainline;
Why not? If you upstream your patches, you don't have to play the
"rebase every version" game.
pgpYoYgvyOAhK.pgp
On Wed, 22 Nov 2017 11:07:09 +1100, "Tobin C. Harding" said:
> Hi,
>
> Would someone please be able to expound on the stages of the kernel
> development cycle.
>
> In particular I would like to learn what a hobbyist kernel developer
> should be focusing their attention on during different stages of
On Sun, 19 Nov 2017 11:25:57 +0300, Lev Olshvang said:
> I downloaded Buidroot and buil QEMU x86_64 environment with kernel 4.9
> I applied my patch to mmap (added MAP_DENYWRITE for shared libraries) before
> building kernel.
Did you test to make sure that it doesn't apply that flag to mmap for t
On Sat, 18 Nov 2017 14:09:31 -0500, Demi Marie Obenour said:
> Only whitelisted system calls would be allowed, such as open(), read(),
> and write(). Async getuid() would not be allowed. Nor would async
> exit() or exit_group().
You missed the point - If you allow async calls, you need to deal
On Sat, 18 Nov 2017 13:15:27 -0500, Demi Marie Obenour said:
> However, the ioctl I actually want to implement (see above) does the
> system call asynchronously. That isnât possible using the existing
> APIs.
Ever consider that it's because there's no clear semantics to what
executing an arbit
On Fri, 17 Nov 2017 17:57:26 +0800, kipade said:
> I found some memory was rewrite by gpu module, but i have not found where it
> layout.
> I just use samples hw_breakpoint module for memory monitor.
> However, i found it only monitor on a virtual address,
> in another words, if two variable poin
On Tue, 14 Nov 2017 09:42:33 -0800, Mike Harless said:
> 3.14 kernel:
> 4c01-4c0d r-xp 00:0e 1177 /lib/libc-2.20-2014.11.so
> Size:768 kB
> Rss: 416 kB
> Pss: 12 kB
>
> 4.9 kernel:
> 4c01-4c0d r-xp 00:0e 1177 /lib/l
On Tue, 14 Nov 2017 14:18:42 +0300, Lev Olshvang said:
> The difference between executable and file that executable may crash. while
> shared lib can not.
Oh, a shared lib can indeed crash (or more correctly cause a crash in the
process
that is using it).
> Still there are unknown for me what h
On Fri, 10 Nov 2017 17:43:37 -0500, Ruben Safir said:
> On 11/10/2017 12:49 PM, Jeffrey Walton wrote:
> > Microsoft technology
>
> That is an oxymoron
Given the number of systems running Microsoft products, it doesn't seem
to be quite as much of an oxymoron as you think. Might want to spend some
On Fri, 10 Nov 2017 21:04:22 +0300, Lev Olshvang said:
> I am going to patch inode reference count of mapped shared libs
Congrats. You just corrupted your file system.
Hint 1: What happens if you decrement the count by one unnecessarily,
and later on, probably during system shutdown, the refe
On Fri, 10 Nov 2017 14:39:00 -0200, Ricardo Biehl said:
> I've notice that polling for timestamp in socket's error queue from a thread
> that hasn't sended the packet results in not waking the polling thread when an
> event arrives.
That seems reasonable. Under what conditions would you want to r
On Fri, 10 Nov 2017 16:30:17 +0300, Lev Olshvang said:
> But the attempt to replace shared object library succeeded, and I do not
> understand the logic of this decision
You might want to do an lsof after such an upgrade, and ponder what
*really* happened.
Hint 1: How do you do this in a way th
On Fri, 10 Nov 2017 09:26:52 +0800, Shiyao MA said:
> Hi,
>
> The man help says, silentoldconfig is like oldconfig, but quietly and
> additionally updates dependencies.
>
> 1. What does it mean by "quietly"?
Basically, it will auto-select the "default" answer to any question
(it's the one that's c
On Wed, 08 Nov 2017 21:22:47 +0300, Lev Olshvang said:
> Hello all,
>
> I observe that between reboot inode of files in /proc and /sys filesystem
> keep the same number.
>
> I need to know whether I can rely on this in my program, and under what
> conditions this assumption became incorrect?
If
On Sun, 05 Nov 2017 16:04:48 +0800, VOID 001 said:
> Hi,
>
> I am looking for the way to subscribe to linux-mm mailing list, but
> when I refer to http://vger.kernel.org/vger-lists.html I can not found
> the mailing list named linux-mm, could anyone please point it out for
> me? Thanks in advance.
On Tue, 31 Oct 2017 08:55:10 +1100, "Tobin C. Harding" said:
> Does any one use a terminal based source code cross referencer to search
> the kernel tree?
Are you including 'git grep'?
___
Kernelnewbies mailing list
Kernelnewbies@kernelnewbies.org
http
On Thu, 26 Oct 2017 16:32:42 -0400, "Robert P. J. Day" said:
> now, i do realize that it can be used along with a unique dev_id
> values to isolate a *particular* handler amongst a group of handlers,
> but if one simply wants to trigger *all* handlers registered for that
> interrupt, is there an
On Tue, 17 Oct 2017 07:36:42 +1100, "Tobin C. Harding" said:
> Jason A. Donenfeld suggested (offered to) add a helper function in siphash,
> along the lines of
> siphash_1u() but we still need to know the exact size of the return value (so
> we can drop half of it
> if it is 64 bits). We just wa
On Tue, 10 Oct 2017 10:17:09 +1100, "Tobin C. Harding" said:
> I would like to create a boot time variable i.e a variable that is set once
> at boot time. Variable
> does not need to be globally accessible. (actually I am using two variables).
The canonical way to have stuff happen at boot is usu
On Mon, 09 Oct 2017 21:58:27 -0400, Jeffrey Walton said:
> On Tue, 10 Oct 2017 09:50:21 +0800, Yubin Ruan said:
> > um...terabyte of RAM? Can you name one of those machine with so much RAM?
>
> 4 TB:
> http://investors.cray.com/phoenix.zhtml?c=98390&p=irol-newsArticle&ID=1855272
> 64 TB: https://n
On Thu, 05 Oct 2017 18:14:08 +0200, Damian Tometzki said:
> i'am intrested in helping and Bug Fixing in the mm area of the linux
> kernel.
>
> For driver development is it clear check in the staging area the
> TODO's.
>
> And what is the process for other areas of the kernel for example mm
> (Me
On Thu, 05 Oct 2017 20:04:12 +0200, "Wiktoria Lewicka" said:
> I write kernel module which replace syscall and have a problem.
Some people, when confronted with a problem, think "I know, I'll use regular
expressions." Now they have two problems -- Jamie Zawinski
What problem were you trying to s
On Mon, 02 Oct 2017 10:11:34 +0200, Kamil Konieczny said:
> What about /usr/bin/ssh as init replacement ?
Well, if you are OK with your system panicking right away. :)
(Hint - the init process needs to be something that can run as a daemon).
If you use /usr/sbin/sshd, that has a *slightly* bett
On Fri, 29 Sep 2017 19:38:49 -0300, "Bruno E. O. Meneguele" said:
> 2) I'm using a USB keyboard as the testing device, and TBH I got
> confused if I could actually use the input subsystem for that or I
> _should_ use HID instead (considering the keyboard is HID compliant).
Step 0: Decide if you'r
On Fri, 29 Sep 2017 19:56:41 +0530, Pintu Kumar said:
> 1) If you have pointers on how to setup ssh/net connection on QEMU
> with busybox, do let me know.
Busybox doesn't do that as far as I know, as it's intended as a single-user
/sbin/init replacement. You'll need a full-featured userspace with
On Fri, 29 Sep 2017 16:08:07 +0530, Pintu Kumar said:
> I have a general question.
> How do we normally verify linux-next tree?
The same exact way you "verify" any other Linux kernel, for whatever
definition of "verify" you plan to use.
> 1) For Oracle virtual box 5.1.26 with ubuntu-32 bit, the
On Wed, 30 Aug 2017 08:09:55 +0200, Greg KH said:
> On Wed, Aug 16, 2017 at 06:03:22PM +0800, jing...@cpu-os.ac.cn wrote:
> > But if I do NOT hit the key during the suspending, I CAN wake it up by
> > hitting
> > the keyboard.
> Sounds like your system does not support USB wakeup, which is very
>
On Tue, 22 Aug 2017 12:34:12 +0530, vaibhav chaudhari said:
> I want to configure iball chd 20.0 webcam on ubuntu 14.04 with kernel
> version of 3.13.0-24-generic.
> for that i want to install uvcvideo driver please suggest me how to install
> uvcvideo driver.
http://www.lmgtfy.com/?q=ubuntu+insta
On Tue, 22 Aug 2017 12:48:42 -0400, Cindy-Sue Causey said:
> An observation that may just mean I haven't stumbled upon it yet is
> that it would be nice to... stumble upon... a list of kernel problems
> that *kernelnewbies* could cut their teeth on. I do understand that
> this is a naive wish list
On Tue, 22 Aug 2017 16:22:34 +0530, SUNIL KHORWAL said:
> I'm new to linux kernel programming, I want to be a linux kernel hacker but
> i don't know where to start.
To repeat what I said previously on the subject:
https://lists.kernelnewbies.org/pipermail/kernelnewbies/2017-April/017765.html
p
On Tue, 08 Aug 2017 05:36:34 -, Amit Kumar said:
> When I compile arm64/defconfig kernel with W=1, build emits a lot of
> warnings. When patch is required to be "build clean" then why warnings are
> there? I want to understand.
The warnings that come out with the default W=0 are by an large
On Mon, 31 Jul 2017 15:16:34 +0200, Massimo Sala said:
> I wish to suggest to developers to add this new knob :
Note that most of the existing knobs were chosen fairly carefully, and that
sometimes, the values chosen aren't immediately obvious, because they have
to also take into account second-or
On Tue, 25 Jul 2017 20:14:45 +0800, Yubin Ruan said:
> For example, let's say we are at 4.2 (or, 4.2.0) now. Before we move
> to 4.3, there would
> 4.3.1-rc, 4.3.2-rc, ..., 4.3.7-rc. After 4.3.7-rc, we have 4.3 (or,
4.3-rc1, 4.3-rc2, ... 4.3-rc7.
pgpV4kQj9amsW.pgp
Description: PGP signature
___
On Tue, 18 Jul 2017 17:11:19 -0300, Martin Galvan said:
> task_struct, it's not clear to me why I didn't get to see the thread
> function printks. If the thread function finished before reaching
> kthread_stop, I should be able to see them, right? The only way I can
> see them is by removing the ca
On Tue, 18 Jul 2017 15:13:08 -0300, Martin Galvan said:
> I thought kthread_create/bind don't actually run the thread function?
> At least that's what the comment says.
It's the wake_up_process() that causes the problem...
> > * If threadfn() may call do_exit() itself, the caller must ensure
>
On Tue, 18 Jul 2017 13:00:11 -0300, Martin Galvan said:
> Hi everyone! I'm doing a bit of testing on the Linux kthread functions, and h
> int function(void *data)
> {
> printk(KERN_DEBUG "CPU: %u\n", smp_processor_id());
>
> do_exit(0); /* Not sure if this is ok */
> }
Note that this will
On Thu, 06 Jul 2017 09:23:46 +0200, Massimo Sala said:
> I have an idea about a new sysctl knob. It is under net.ipv4.
Step 0: Identify whether it is even a good idea. TCP/IP is tougher
than you think, especially when you get into congestion control.
Step 0.1: Figure out if your brilliant idea
On Sat, 08 Jul 2017 21:08:40 +0530, Ajinkya Surnis said:
> The purpose of assignment is to check the authenticity of the user
> executing the system call, and prevent certain users from executing, kind
> of like certain security programs (although I don't exactly know how they
> work).
The only h
On Fri, 07 Jul 2017 23:55:25 +0800, Shiyao Ma said:
> I want to foreach all the `struct nf_conn's in my out-of-tree kernel module.
What are you trying to do? Hint: the very concept of "all" the nf_conn's is a
very racy one, especially on high-powered servers that have multiple 40 gigabit
etherne
On Mon, 03 Jul 2017 16:36:01 +0200, Kamil Konieczny said:
> https://stackoverflow.com/questions/448999/is-there-a-way-to-figure-out-what-is-using-a-linux-kernel-module
> and short answer is to use 'lsof' command (ls open files),
> if lsmod fails to give ref info
That's the short - and incorrect -
On Wed, 28 Jun 2017 20:16:33 -0300, Ben Mezger said:
(By the way - fopen() is a glibc construct, not a syscall)
> I understand seccomp and LSM allows __some__ type of syscall
> interposition (where afaik seccomp blocks mostly all of them), but what
> I am willing to do here is not *reinvent* the
On Wed, 28 Jun 2017 19:06:56 -0300, Ben Mezger said:
> I'm actually formulating my thesis project. I am looking for a way to
> intercept system calls (those chosen by the users), where I can keep
> track of what syscall has been called and by who.
As I said before - knowing this, what do you *do*
On Wed, 28 Jun 2017 17:48:15 -0300, Ben Mezger said:
> Can the kernel keep track of all the system calls that were called by an
> application/module in real-time?
> I know I can statically use strace, or even gdb, but I am looking for a
> solution in real time when the application/module is already
On Wed, 28 Jun 2017 14:02:37 -0500, Andrei Hurynovich said:
> The question is why this old 2.6 kernel decide that it needs per-cpu
> events and kblockd tasks.
You have per-cpu events ecause your real-time process issues syscalls, and
syscalls do things inside the kernel that require per-CPU infras
On Wed, 28 Jun 2017 08:39:07 -0500, Andrei Hurynovich said:
> We set sysctl kernel.sched_rt_runtime_us = -1 so realtime threads are
> NEVER interrupted.
> According to /proc/sched_debug, it seems that kernel still schedules
> some SCHED_OTHER(e.g. non-realtime) kernel tasks to isolated cpus - for
On Fri, 16 Jun 2017 13:24:58 -0700, Kamran Khan said:
> This is happening only with kernel 4.8+.
>
> When I compile kernel 4.4 with a stock Ubuntu Xenial .config, symbols
> appear just fine.
>
> When I compile kernel 4.8/4.10 with Yakkety/Zesty stock configs the
> symbols disappear.
What happens w
On Tue, 06 Jun 2017 15:02:45 +0200, "Frank Smith" said:
> I want to use sendfile to send my images really fast over the network.
Step 0: Define "really fast". (I work with boxes that have LACP bonds of
2x40gbit ethernet interfaces - your v4l2 device is probably the slow link at
that point, and
On Sat, 03 Jun 2017 02:59:56 +0530, srishti sharma said:
> Thanks a lot !
Also, large parts of the kernel have maintainers who do *not* want to
see checkpatch fixes, because there's 2 basic possibilities:
1) The code is being actively worked on by others as well, in which case
your patches can ca
On Sat, 03 Jun 2017 02:47:55 +0530, srishti sharma said:
> Can we fix two warnings in a single patch ?
Depends what the two warnings are. If they're two actual kernel warning
messages, probably best off doing 2 patches.
If it's 2 complaints from checkpatch, it depends. If they're two or more
in
On Thu, 01 Jun 2017 17:15:29 +0800, Yubin Ruan said:
> Regarding to inode number, I notice that nearly every filesystem has tree
> representation of the inode number:
> 1. on-disk inode number
> 2. in-memory inode number
> 3. VFS inode number
> How are these related? I mean, if they ar
On Tue, 30 May 2017 12:28:34 +0300, Roman Storozhenko said:
> Hello everybody,
>
> I have a host machine and I have a VM machine running CentOS 7 with 3.x. Ther
e is
> a kernel source tree on the host. I have made 'make menuconfig',
> populated all options that I want to have in my custom kernel an
On Sat, 27 May 2017 21:59:54 +0800, Yun-Chih Chen said:
> What I did is:
> 1. Checkout to a commit near 2011/7/18 (the latest commit at the time
> the patch was sent)
> 2. Cherry-picked the three commits from tracing/mm
> 3. Apply the patch
>
> I failed at step 3.
>
> Anyone has any suggestion on
On Thu, 25 May 2017 15:20:06 -0400, "Robert P. J. Day" said:
> On Thu, 25 May 2017, Greg KH wrote:
>
> > On Thu, May 25, 2017 at 03:02:24PM -0400, Robert P. J. Day wrote:
> > >
> > > thoughts?
> >
> > Why not ask on the linux-gpio mailing list?
>
> huh, i didn't even know there was such a thing
On Mon, 22 May 2017 10:13:08 +0530, jitendra kumar khasdev said:
> I am exploring the mechanism for sharing data between kernel and user
> space. There are following mechanism I have found
>
>1. copy_to_user/copy_from_user
>2. Netlink sock
>3. /proc, /debugfs etc.
>
> Other than this,
On Thu, 18 May 2017 12:38:01 -0400, Max Ruttenberg said:
> >On Thu, May 18, 2017 at 12:34 PM, wrote:
> >> On Thu, 18 May 2017 12:23:18 -0400, Max Ruttenberg said:
> >>
> >>> I figured it out... the system I am working with never makes a call to
> >>> of_platform_populate(NULL, NULL, NULL, NULL) a
On Thu, 18 May 2017 12:23:18 -0400, Max Ruttenberg said:
> I figured it out... the system I am working with never makes a call to
> of_platform_populate(NULL, NULL, NULL, NULL) and instead ops for
> subsystems manually probing the device tree. Live and learn.
So submit a patch to add the call. :)
On Tue, 02 May 2017 10:20:21 +0530, Anil Nair said:
> Other than the instructions mentioned in
> http://eudyptula-challenge.org, is there anything that i am missing?
You're missing the fact that the challenge has been overwhelmed by entrants,
and that it can take as much as a few weeks for them to
On Mon, 01 May 2017 09:26:40 +1000, "Tobin C. Harding" said:
> Should [drivers/staging/*] patches to endian code be tested on hardware
> before submission?
The first obvious question is: Is the hardware even available for the
opposite endian systems?
pgpDEe4BWVaNe.pgp
Description: PGP signature
On Tue, 25 Apr 2017 20:52:17 +0530, Nagaraju Bellapu said:
> What is the task put to sleep and schedule term referring while using
> wait_queue_event and wake_up functions in a kernel module code.?
Well.. think about it. If a task calls a function to wait for something,
what task is wanting to
On Wed, 26 Apr 2017 10:27:00 +1000, "Tobin C. Harding" said:
> This question relates to English grammar and correct usage when
> writing gitlog messages and patch series cover letters.
>
> The writing of gitlog messages is covered in submitting-patches.rst,
> of note is the mood to use. It is not s
On Sat, 22 Apr 2017 08:19:24 +0530, Muni Sekhar said:
> Yes, to test device drivers(UART, PCIe, SDIO ...)
As I said, there's not any good way to make a framework for testing all
device drivers. For starters, you can't even get all the hardware into
one machine - it's going to be *really* hard to
On Sat, 22 Apr 2017 08:01:39 +0530, Muni Sekhar said:
> Can someone suggest what is the mostly used automation test framework
> for testing the linux kernel mode drivers?
To test what? Device drivers? There's so many different types that
I don't think one framework can deal. Consider everything
On Wed, 19 Apr 2017 20:32:31 +1000, "Tobin C. Harding" said:
> On Tue, Apr 18, 2017 at 08:59:36AM -0700, Code Soldier1 wrote:
> [snip]
>
> Why the moniker?
Could be worse. "Code Cannon Fodder", for example
pgpv0BFLq0gT5.pgp
Description: PGP signature
_
On Tue, 18 Apr 2017 10:28:20 +0300, Lev Olshvang said:
> I would like to constrain process (by name) or group of process to specific
> network interface and to specific port.
Let's take a step back. What problem are you trying to solve by constraining
the processes?
pgprLGP7LqYAe.pgp
Descripti
On Mon, 17 Apr 2017 01:17:08 -0700, Abhishek Bhardwaj said:
> I followed this link to add a sysfs file
> http://kroah.com/log/blog/2013/06/26/how-to-create-a-sysfs-file-correctly/
> .
>
> I set the driver.groups field and declared the attribute and attribute
> groups required by the sysfs file. Whe
On Thu, 13 Apr 2017 16:34:17 +0200, Fran?ois said:
> Do you think it makes sense at all?
The bigger question is whether there's stuff that runs in a container that
wants the system uptime, which would break under this API change.
> Any hint on how to get started on that?
It's trivial - note the
On Thu, 13 Apr 2017 08:41:18 -0300, "Daniel." said:
> The Makefile has targets for indexing the kernel.. Sometimes "find -exec
> grep" helps... I will take a look in opengrok
find |xargs grep. Will run a lot faster because it runs one grep for several
hundred files, rather than one per file. F
On Wed, 12 Apr 2017 20:25:11 +0200, "Arthur Brainville (Ybalrid)" said:
> So, the best "branch" of developement to test if it doesn't break our
> system is the linux-next branch, or the mainline kernel (currently
> tagged by Linus as 4.11-RC6) ?
Depends how brave you are. Linus is currently at -
On Wed, 12 Apr 2017 10:30:27 +0800, Tran Ly Vu said:
> How exactly do i start to contribute to linux community, i.e fix bug, etc
Step 0: Figure out *why* you want to contribute to the Linux kernel.
Did your boss just tell you that you have 6 weeks to write a driver for
your company's new widget
On Wed, 12 Apr 2017 09:49:38 +0900, manty kuma said:
> The source code that is doing this is here -
> http://androidxref.com/kernel_3.10/xref/drivers/usb/core/hub.c#4693
4693/*
4694 * EM interference sometimes causes badly
4695
On Sat, 01 Apr 2017 02:14:18 +0800, Hao Zhang said:
> hi all,
> i use usb wifi dongle rt5370/rt3070/rtl8192cus/rtl8178 on embeded
> board based kernel 3.10.0 , they all loss packet when ping to router,
> and then ifconfig can show below that
> it seem some packet were been dropped, What does that d
On Thu, 30 Mar 2017 11:22:40 +1100, "Tobin C. Harding" said:
> Is it easier to review this change for correctness if it is three
> patches or one?
>
> TLDR;
> + struct wpa_key_t *key = &priv->wpa.key[index];
>
> - memcpy(&priv->wpa.key[index].rx_seq[0], enc->rx_seq,
> IW_ENCODE_SEQ_MAX_SIZ
On Thu, 30 Mar 2017 09:59:44 +1100, "Tobin C. Harding" said:
> What is the reason for the zero bit shift in this code please?
>
> #define SDIO_STATE_PRESENT(1<<0) /* present in sysfs */
>
> file: include/linux/mmc/sdio_func.h
Most likely, to indicate that it's a bitmask in the 'unsign
On Tue, 28 Mar 2017 16:15:57 +0800, Shiyao Ma said:
> I saw this function invocation,
> trace_kfree_skb(skb, __builtin_return_address(0));
>
> so I grepped the source for "trace_kfree_skb", but I found no where it's
> defined.
For some uses, the Linux kernel forms a definition via the preprocess
On Thu, 16 Mar 2017 10:26:48 +0900, Greg KH said:
> On Tue, Mar 14, 2017 at 07:52:36PM -0600, Perry Hooker wrote:
> > $ git checkout next-20170310
> > What am I doing wrong / where should I go for more info?
>
> linux-next is usually a day or so behind my tree, so maybe there were
> other patches
On Wed, 15 Mar 2017 11:58:52 +1100, "Tobin C. Harding" said:
> What is the difference between these two mailing lists please?
>
> 1) de...@driverdev.osuosl.org
> 2) de...@linuxdriverproject.org
>
> drivers/staging/ks7010/TODO asks for patches to be sent to
> the second but scritps/get_maintainer.pl
On Tue, 14 Mar 2017 21:59:20 +0100, Bjørn Mork said:
> And another one:
>
> 5.) vendor independent class drivers
>
>
> IMHO perfect for the independent developer since there will be
> documentation available. The USB class specs are freely available for
> example.
Hmm... /sys/class has a bunch
On Tue, 14 Mar 2017 22:54:37 +0300, alexhoppus said:
> No, I just try to understand the process. I don't fully understand what
> is the role of independent developer in the process of submitting new
> drivers to LK. What I mean is - hardware device vendors always ship
> device driver with their pr
On Mon, 13 Mar 2017 15:38:07 +0530, SIMRAN SINGHAL said:
> >> # modinfo iio_dummy_evgen.ko
> >> filename:
> >> vermagic: 4.11.0-rc1+ SMP mod_unload modversions
> >>
> >>
> >> $ uname -r
> >> 4.10.0-rc3+
> Greg, I got that I have to build the module against the kernel I am using.
> But, How
On Sun, 12 Mar 2017 15:49:31 +0200, Alexander Kapshuk said:
> Are these drivers, drivers/iio/dummy/{iio_dummy_evgen,iio_dummy}.ko,
> something of your own making, as I'm not seeing them in the kernel
> source tree?
>
> The 'modules_install' make target installs drivers that have been
> compiled as
On Fri, 10 Mar 2017 20:19:29 +0330, Ali Aminian said:
> these functions are defined in lddbus and i have insmod lddbus.
>
> can anyone tell me what is wrong.
Unless I'm getting senile, neither sculld or lddbus are in the current
mainline source tree, so you'll need to provide a pointer to your co
201 - 300 of 1172 matches
Mail list logo
