On Mon, 15 Sep 2014 15:13:42 -0600, Jake Campbell said:
Is there any other challenges out there similar to Eudyptula that Nick
could follow instead since he was kicked out?
The vast majority of such things have a must be able to follow the
rules and guidelines requirement, so I fear Nick may
On Thu, 11 Sep 2014 16:13:58 +0200, testlaster said:
The first line didn't work because I seem to not have a build directory
there.
Hopefully, that /usr/src/linux-headers directory is an exact match for
the kernel you're planning to use the module in.
make[2]: *** No rule to make target
On Wed, 10 Sep 2014 14:45:23 +0530, Manavendra Nath Manav said:
But if the total RAM is limited (less than 896MB LOWMEM), for example as in
embedded devices how the kernel code be kept in RAM all the time. Am I
correct to assume that the kernel pre-fetches all pages when entering
kernel mode
On Wed, 10 Sep 2014 20:26:48 +0300, Ran Shalit said:
What is usually the criterion for PM (power management) suspending
that application shall use ? Is it according to minimum threshold for
cpu load (as indication for no process) ?
That will be highly application dependent. Something that
On Wed, 10 Sep 2014 21:23:28 +0300, Ran Shalit said:
As far as I understand, suspend/respond PM is not per device, but for
all system,
and wakeup source will resume again the whole system.
I think you mean runtime suspend/resume in the answer.
The original question didn't specify. You said
On Wed, 10 Sep 2014 21:58:48 +0300, Ran Shalit said:
1. How can I make a process to notice this inactivity ? Do you think
it can be implemented by some periodic process who check if there is
activity ? It returns to the original question I raised, that I will
use some periodic process who
On Tue, 09 Sep 2014 06:51:28 -0500, Greg Donald said:
You need to find the actual package name for your system:
apt-cache search curses | grep dev
It's possible he's missing entries in his /etc/apt/sources.list
and/or /etc/apt/sources.d/* or wherever his distro puts such things.
Of course,
On Tue, 09 Sep 2014 17:46:33 +0530, Sudip Mukherjee said:
No new udev rule is needed.
If you truly understood the point of task 5, this is all the clue you need
to fix it. And that's all the hint I'm giving on this one. :)
pgpBCBf2npxdK.pgp
Description: PGP signature
On Tue, 09 Sep 2014 07:58:49 -, Rajat Jain said:
Can someone tell me if the i386 one is to be used when we want to build for a
32bit machine and the x86_64 is to be used for 64 bit machine?
I wouldn't run either one on an actual machine. Defconfigs are *example*
configs, only useful as a
On Tue, 09 Sep 2014 08:22:59 -0400, nick said:
This patch is wrong, checkpatch errors. I am attaching another fixed version.
*yawn* You still didn't even fix the typos in comments.
Not Worth The Effort To Review.
pgpOHhaJ8TGxQ.pgp
Description: PGP signature
On Tue, 09 Sep 2014 16:19:54 +0200, Paul Bolle said:
(I remember seeing tutorials that show you how to generate a .config
from scratch. I wonder whether anyone actually does that.
Distros did that originally. Now they just keep delta'ing their
known-working config. The pain involved was part
On Tue, 09 Sep 2014 16:06:07 +0200, Matthias Brugger said:
Can someone tell me if the i386 one is to be used when we want to build for
a 32bit machine and the x86_64 is to be used for 64 bit machine?
You can build the kernel with any architecture for any architecture.
This is called
On Tue, 09 Sep 2014 20:14:48 +0530, Jeshwanth Kumar N K said:
If you have any doubt please ask little only, he will reply for sure.
Better not to ask questions in public mailing list.
Which is why I gave a cryptic answer that's totally correct, and yet
makes no sense unless you already
On Tue, 09 Sep 2014 18:53:55 +0530, Manavendra Nath Manav said:
Why is it so? Why can't kernel mode code handle the page fault and reload
the page from swap? Also, can page fault occur when kernel is executing in
process context and/or interrupt context?
There's no inherent chiseled-in-stone
On Tue, 09 Sep 2014 11:52:20 -0400, Nick Krause said:
I understand that , sorry Guys. I am going to fix this later including
my spell checks.
Don't bother.
pgpcXduwFWoHJ.pgp
Description: PGP signature
___
Kernelnewbies mailing list
On Tue, 09 Sep 2014 17:16:19 -0400, nick said:
I am sending this in again fixed and working.
Typos are still there, and zero explanation of how you verified
fixed and working, which given your track record of failing to
even compile test your code is a *big* show-stopper.
If you don't care
On Tue, 09 Sep 2014 21:21:18 -0400, nick said:
Not going to execute, I wasn't sure if that statement needs to be executed.
skb = dev_alloc_skb(frag_length + 4);
+ if (skb == NULL) {
+ skb_queue_purge(priv-rtllib-skbwaitQ[TXCMD_QUEUE];
+
On Tue, 09 Sep 2014 22:56:10 -0400, nick said:
OK. It's official. I see *zero* possibility that you'll ever manage to
write an acceptable patch. This is *still* wrong.
Care to explain.
No. Please go figure it out for yourself.
pgpIluHFvWDJG.pgp
Description: PGP signature
On Tue, 09 Sep 2014 23:53:50 -0400, nick said:
Build Error. Fixed it. I need to really check my patches first :(.
How many times have you done that now?
In addition, I want you to forget about and not reply to any patches
you known I haven't build tested.
No, it doesn't work like that. Each
On Mon, 08 Sep 2014 23:08:46 -0400, nick said:
I am attaching a trial patch again , please let me known if there are any
issues for me to fix.
Executive summary: Many. Most of which you've been told about before.
This patch checks in fw_download_code for if the allocated skb is
NULl.
On Tue, 09 Sep 2014 09:20:42 +0530, Niamathullah sharief said:
*** Install ncurses (ncurses-devel) and try again.
but when i try to install ncurses i am getting as ncurses is already new
one.
On many systems, packages are split into two parts - the part needed to run
already-compiled
On Thu, 28 Aug 2014 20:49:01 +0100, Ed Holmes said:
Can you recommend me any books or online resources to teach a C programmer
Kernel development? I can program in C but I don't really know where to go
from
there. I've tried the Eucalyptus challenge but it just suggests things to try.
No
On Tue, 02 Sep 2014 02:27:27 +0900, J.Hwan Kim said:
My embedded system says no numa configuration information through kernel
message.
Are you sure your hardware is in fact NUMA?
Did you build your kernel with NUMA support?
And are you just curious what the configuration is, or does it
On Tue, 02 Sep 2014 12:14:28 +0100, John Whitmore said:
I'm not even sure that this is the correct home for this question but sure
it's worth a punt. I'm running OpenSUSE on a netbook and use it to compile and
install the latest kernel from Linus's git repo.
OK... So you have a git tree handy
On Sat, 30 Aug 2014 10:41:16 +0530, Joshi said:
I am trying to obtain file name at block layer level (above IO scheduler).
Nope. Won't work. There is no single unique name for a file.
Consider:
touch a
ln a b
There's now 2 names for the same inode.
And why should the block level care about
On Fri, 29 Aug 2014 18:03:33 +0200, Ravi Raj said:
We want to design our own coustom board and we dont
want to depend on the Board support package vendors.
It's GPL. So you buy the board, get the initial copy of the kernel already
ported, and then do your own work from
On Thu, 28 Aug 2014 15:33:21 +0530, Prudhvee Narasimha Sadha said:
Hi, I have learnt the basic OS concepts and I'm pretty good at c.
Now I need to really work on it.
*WHY* do you need to work on it?
Do you just want something for your resume?
Has your boss ordered you to write a specific
On Wed, 27 Aug 2014 16:55:23 -0700, StephanT said:
Just want to know why in /proc/modules some of the modules are marked (F). Li
ke:
usb_storage 56610 0 - Live 0xa005d000 (F)
kernel/modules.c has a function module_flags_taint():
static size_t module_flags_taint(struct module *mod,
On Wed, 27 Aug 2014 21:30:54 -0700, Manish Katiyar said:
No I just pulled it out and then I get this error. Maybe this is normally
when not unmounted?
This is expected then. It was middle of a journal transaction when you
pulled the device out.
I wonder if we'll get to watch Nick debug
On Tue, 26 Aug 2014 08:33:18 +0200, Oscar Salvador said:
If I get the IRQ from the pci_dev, I get a X, but if I get the IRQ
from the config space, I get another different number Y.
Would be you so kind to explain:
1- Why it's better use the values stored in pci_dev structure instead
of
On Tue, 26 Aug 2014 18:47:41 -0400, Nick said:
After reading through the code in inode.c today , I am curious about the
comment and the following code I will paste
below. I am curious if this corner case is hit often enough for me to write a
patch to improve the speed of this
corner case.
On Tue, 26 Aug 2014 20:13:10 -0400, Nick said:
From reading the code off the bat, seems to not need to be written as this
case is rarely meet for large files
or files that are huge and take a lot of time to write.
Nope. Same exact logic for small files. The code is doing Don't bother
On Tue, 26 Aug 2014 20:48:41 -0400, John de la Garza said:
In the book Linux Device Drivers a struct cdev is setup like this:
static void scull_setup_cdev(struct scull_dev *dev, int index)
{
int err, devno = MKDEV(scull_major, scull_minor + index);
cdev_init(dev-cdev, scull_fops);
On Tue, 26 Aug 2014 21:49:51 -0400, Greg Freemyer said:
A decade plus ago when I first got interested in using xfs for a production
system, the freeze feature would randomly fail for me. I was able to update
the xfstest that exercised that code and get a reproducer. I didn't do the
actual
On Mon, 25 Aug 2014 20:30:00 +0800, lx said:
I have two ideas to handle the packet.
1.I allocate a memory pool and mmap into userspace, when packet is coming,
I copy packet into the memory pool, then, userspace can access it.
2.When packet is coming , I mmap the data of packet into userspace
On Mon, 25 Aug 2014 19:57:39 +0530, ravali pullela said:
I want process related information like rss.(we can get this by doing cat
/proc/pidstatus) Is there a way to get this from within a kernel module?
I checked out the sources on /proc filesystem. They all show how to create,
read, write a
On Sun, 24 Aug 2014 01:49:07 -0400, nick said:
After searching through parts of the btrfs code and docs. I am unable to find
any information
on the helper threads in btrfs and would like to known more about how their
implemented and
what are the reasons for helper threads in btrfs versus
On Sun, 24 Aug 2014 18:02:29 -0400, John de la Garza said:
I would expect that the serial line wouldn't be ready and that qemu
would behave like actual hardware.
Why?
QEMU knows it's running as a user process. Do you see anywhere in the
documentation that it guarantees emulation of real
On Sun, 24 Aug 2014 23:31:38 -0400, nick said:
In addition , why not create a linked list for the compression in btrfs as we
can then do the work using the already build in workqueues for btrfs and
improve the scalability of the compression functions and workload it causes as
compression is
On Fri, 22 Aug 2014 21:39:42 +0530, manoj kumar said:
i am new to kernelnewbie. I would like to work on the VFS/Filesystem sub
system. Any guidance towards the same is much appreciated.
Step 0: Figure out *why* you want to work on filesystems, pick a *specific*
goal, and pick up a basic
On Wed, 20 Aug 2014 10:44:41 +0530, Sudip Mukherjee said:
Hey Nick,
It seems like you are an expert on btrfs . Can you please let me know
He's not. Please do not rely on any information Nick may provide, as he is
either hopelessly clueless, or actively trolling the kernel community.
On Tue, 19 Aug 2014 07:45:48 -0400, Greg Freemyer said:
You can take that excellent code into your user space app and test it to your
heart's content. Not only can you do that, for something like a linked list
evaluation, you should do that. You have implied tested code is code that
On Tue, 19 Aug 2014 08:38:24 -0700, Loris Degioanni said:
I'm looking for an efficient way to determine the type of an fd (file,
socket...) given its number, from a kernel module.
What problem are you trying to solve here? There may be a better API for
your problem. So step back - what are
On Tue, 19 Aug 2014 17:54:14 +0800, lxgeek said:
I want to mmap a kernel memory area which sk_buf-data pointer
into userspace. I want to do this , because this way can reduce a copy
from kernel to userspace.
How to fix it? Or, which book or project can help me ?
Look at how
On Tue, 19 Aug 2014 13:33:22 -0400, Nick Krause said:
This is a favor for the btrfs developers, one of my aunt's work's at
IBM and is able to ask questions
to a few storage engineers about features they would like to see in a
file system and it's tools. In
addition if you would like to ask
On Tue, 19 Aug 2014 23:49:48 +0530, Saket Sinha said:
Each filesystem has its own use-case. Like XFS is for big data, btrfs
with its COW and other features meets some specific use-cases like
facebook where they have a scenario(refer
http://lwn.net/Articles/591780/ ) where btrfs suites then
On Tue, 19 Aug 2014 14:05:25 -0400, Nick Krause said:
I can get the information :). I been banned from the list so I can't
get them involved directly and it's better
You *do* realize that the btrfs maintainers haven't been banned from
anyplace, and have enough name recognition that if they want
On Mon, 18 Aug 2014 08:15:12 -0700, Kevin O'Gorman said:
maybe someone here can help me figure out how to map a big (really big)
work area and lock it in memory.
What problem are you trying to solve by doing this? It usually doesn't make
sense to lock more than a small chunk in memory -
On Mon, 18 Aug 2014 10:24:45 -0700, you said:
I'm solving a huge alpha-beta search problem, and want a huge cache table
tocheck permutations. That's why I increased RAM from 8 to 32 GB, and would
be happy to use the extra 24GB all for the cache. (Cache table is like a
hash table but with
On Thu, 14 Aug 2014 16:46:22 +0530, Chetan Nanda said:
Hi,
I am trying to enable 'CONFIG_DEBUG_SET_MODULE_RONX' config option on
3.10 kernel (for ARM arch) via writing CONFIG_DEBUG_SET_MODULE_RONX=y
at the end of
board specific config file.
But .config generated after kernel build do not
On Thu, 14 Aug 2014 12:40:53 -0400, Nick Krause said:
After searching around in the documentation directory, I need no
information on skb data structure and other information relating to
Shouldn't you have done that reading *BEFORE* you started submitting
57 different versions of a patch that
On Thu, 14 Aug 2014 14:18:40 -0400, Nick Krause said:
case 3:
pm |= CCR_PM_USBPW3;
+ break;
case 2:
pm |= CCR_PM_USBPW2;
+ break;
case 1:
On Thu, 14 Aug 2014 17:13:28 -0400, Nick Krause said:
I am learned C. Perhaps I am a little rusty and need to review.
We've seen very little evidence that you *ever* really understood C
at all, and you're *far* from a little rusty. It's been some 23
years since I've hacked any code in IBM's
On Fri, 15 Aug 2014 09:35:57 +0530, Sudip Mukherjee said:
finally little tells you that task is complete , you will get a feeling of
achievement and you will also say sh** .. it was this easy
Later on, you'll realize that there were at least 3 even easier ways to
do it. :)
i hope i have
On Tue, 12 Aug 2014 22:53:37 -0700, Manish Katiyar said:
And it may also be a good idea to post the logs regarding how you tested
your patch and verified that the fix works as expected. As you are asking
I want to see how he sets up an environment where he can *trigger* the issue
reliably. :)
On Wed, 13 Aug 2014 18:50:43 +0400, Max Filippov said:
No need to trigger it, faking it would be enough, e.g.:
+if (++i 3)
+skb = dev_alloc_skb(frag_length + 4);
+else
+skb = NULL;
Don't bet on this
On Wed, 13 Aug 2014 12:55:00 -0400, Nick Krause said:
On Wed, Aug 13, 2014 at 12:02 PM, valdis.kletni...@vt.edu wrote:
On Wed, 13 Aug 2014 18:50:43 +0400, Max Filippov said:
No need to trigger it, faking it would be enough, e.g.:
+if (++i 3)
+
On Wed, 13 Aug 2014 14:03:08 -0400, Nick Krause said:
I did test my patch by doing a kernel build and I get this error,
drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c:66:4: error:
implicit declaration of function âskb_quene_purgeâ
[-Werror=implicit-function-declaration]
On Tue, 12 Aug 2014 16:19:40 -0400, Nick Krause said:
On Tue, Aug 12, 2014 at 4:18 PM, Nicholas Krause xerofo...@gmail.com wrote:
I am fixing the bug entry ,
https://bugzilla.kernel.org/show_bug.cgi?id=60461.
This entry states that we are not checking the skb allocated in
On Tue, 12 Aug 2014 20:46:56 -, Jeff Haran said:
While the avoidance of dereferencing NULL pointers in the kernel is a
laudable goal, what will be the effect of the call to write_nic_byte() at the
end of the function not happening should the call to dev_alloc_skb() return
NULL?
Damn. I
On Fri, 08 Aug 2014 08:14:26 +0200, Kristofer Hallin said:
You are not supposed to make the solutions for Eudyptula challenge
available to others.
Also, it's a potentially career-limiting move - Google is forever, and
doing something like that may tell potential employers that you are
either
On Fri, 08 Aug 2014 13:04:15 -0400, Nick Krause said:
1.git branch next
No, this should be (3) or so. You really want to 'git clone' linus's tree and
then 'git remote add' the linux-next tree before you do this.
If you're new to git, do yourself a favor, follow the directions, and just
build
On Fri, 08 Aug 2014 13:53:50 -0400, Nick Krause said:
Then I am going to work on a few areas( still deciding where to specialize)
1. Btrfs
2. Scheduler
3. F2FS
4. Networking
5. Drivers(mostly USB and Intel Graphics)
Pick *one* thing. There's quite obviously a wide gap between your level
On Fri, 08 Aug 2014 13:37:25 -0400, Nick Krause said:
Would you mind asking Greg if he wants some help with staging clean up
as he is very upset with me after me
not listening and I own it to him to help help him out.
No, what you owe him is to *SHUT THE HELL UP* and *DONT DO IT AGAIN*
until
On Fri, 08 Aug 2014 14:18:50 -0400, Nick Krause said:
Thanks for the notice , if there are any bugs that are simple for a
newbie on Linus's tree I would be glad to help out there.
This isn't the kernel it was 8 or 10 years ago. There's not a lot of
low-hanging fruit left - that's why the
On Fri, 08 Aug 2014 13:28:45 -0700, Arlie Stephens said:
On Aug 08 2014, valdis.kletni...@vt.edu wrote:
There's a big difference between knowing how to change the spark plugs on
a VW Beetle, and being able to walk into a Formula One pit and make tuning
suggestions that actually help the
On Thu, 07 Aug 2014 08:15:33 -0700, Omkar Houddin said:
Can you please suggest me how to port a pci driver which is now on 2.6.32
kernel to 3.11.4 kernel.
In general, we're very careful to make sure that if we change an API, that
the new version has a different signature (new name, or
On Wed, 06 Aug 2014 18:11:30 -0400, Nick Krause said:
1.volatile long state; Is this line like jiffies for timers with
regards to the keyword volatile?
Why should it be any different?
2.void *stack; Is this a pointer to the kernel stack for the process
related to the process
that the
On Thu, 07 Aug 2014 13:14:42 -0400, Nick Krause said:
No I don't take any offense, I am very rusty with kernel code haven't
touched it in like 2 years.
Excuse me if I'm dubious. Yesterday you said:
On Wed, 06 Aug 2014 18:11:30 -0400, Nick Krause said:
I am new to kernel programming and have
On Thu, 07 Aug 2014 21:48:54 -0400, Nick Krause said:
sed: can't read /home/nick/linux-next/.git/rebase-apply/info: No such
file or directory
It usually helps if you give the actual command that you were trying to do.
You didn't do this on top of a linux-next tree that you did a 'git pull' to
On Thu, 07 Aug 2014 22:25:06 -0400, Nick Krause said:
1. git clone linux-next
Don't do that. You'll get something that you can't easily update.
git clone linux *LINUS MAINLINE TREE*
git remote add linux-next *add this as a remote*
git fetch --all
then use git remote up to update
On Thu, 07 Aug 2014 22:25:06 -0400, Nick Krause said:
1. git clone linux-next
Before you do the git add, you *really* want to create a branch for
yourself to work on.
2. git add file changed
Because otherwise this will get dumped on one of 200+ linux-next branches
and cause acute indigestion
On Wed, 06 Aug 2014 10:48:14 +0100, Anuz Pratap Singh Tomar said:
oh man you have gained prominence in vger?
They have banned you from vger.
Wow. I've been around for a dozen years or so, and can't remember *that* ever
happening before. That takes some *major* doing, and could take literally
On Wed, 06 Aug 2014 15:07:21 -0400, Nick Krause said:
Does anybody have some work in the scheduler subsystem I can work on
that is a good top dipping for a kernel newbie.
There is zero code in the scheduler that somebody of your demonstrated
competence will be able to successfully modify.
For
On Tue, 05 Aug 2014 13:42:58 -0400, Nick Krause said:
I have sent out just ten bad patches and the developers seem very
annoyed with me and
Let's face it - if you've sent ten bad patches in a row without getting
one right, you're doing something wrong. And although total noob coders
scale very
On Mon, 04 Aug 2014 10:20:35 +0530, Sankar P said:
Now, I would like to add a few settings to my filesystem (such as the
number of blocks that should be allocated in an extent by default,
maximum fragmentation score after which defrag should be automatically
handled etc.) I would like to have
On Mon, 04 Aug 2014 11:30:52 -0300, Julio Faracco said:
Where can I find the updated source code of udev?
I'm cloning the source from here:
http://git.kernel.org/cgit/linux/hotplug/udev.git/
Unless you're planning to do actual udev development, you're probably
better off looking at the
On Mon, 04 Aug 2014 11:34:17 -0700, Anand Moon said:
Unable to initialize SMTP properly. Check config and use --smtp-debug.
So? Did you use --smtp-debug? Did the resulting output help any?
pgpZ86Tkm5mA_.pgp
Description: PGP signature
___
On Mon, 04 Aug 2014 12:40:35 -0700, Anand Moon said:
Finally I got it working using following configuration
git config --global sendemail.smtpserverport 465
I thought the port 4100 in the original mail looked fishy. Whatever
gave you the idea to try that? I'd like to list the source in my
On Sat, 02 Aug 2014 12:38:50 +0100, TJ said:
The kernel module would act as a RFC2217 client, presenting the local system
with serial TTY devices whose endpoints are on a remote network access device,
e.g. the Moxa NPort 6650 [2][*].
Wouldn't a 2217-capable telnet at the other end of a
On Wed, 30 Jul 2014 09:03:38 -0500, Xin Tong said:
Ive heard that one can not build the entire Linux kernel with -O0 option.
why is that ? being a compiler developer, i can not think of reasons why
that is the case.
The short answer: -O0 completely suppresses function inlining, and there
are
On Wed, 30 Jul 2014 11:59:46 -0500, Xin Tong said:
why can not __builtin_return_address() be made *never* inline and use
That's actually harder to accomplish than you might think. And as a lot
of kernel developers like to say, -ENOPATCH.
pgpWllDN6OJ82.pgp
Description: PGP signature
On Wed, 30 Jul 2014 10:38:13 -0700, Arlie Stephens said:
On the good side, Vladis' observations of his mail directory have been
a great help.
And remember, that's on a single laptop-class hard drive, no fancy raid or
anything. (Though it *is* a hybrid, with 32G of flash cache on the front
On Wed, 30 Jul 2014 23:47:32 +0530, Aniket Shinde said:
--Is the method of making kernel read only to block rootkits used in linux
kernel mainline?
Been there since 2006 or so. Riel needs to update that project entry. :)
CONFIG_DEBUG_RODATA=y
CONFIG_DEBUG_RODATA_TEST=y
On Wed, 30 Jul 2014 14:41:26 -0500, Xin Tong said:
Is there anyway for me to turn on HugePage by default in the Linux X86
kernel, i.e. allocate a 2MB page by default in place of 4KB now ?
Possibly related config entries to research:
CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y
On Wed, 30 Jul 2014 15:06:39 -0500, Xin Tong said:
2. modify the kernel (maybe extensively) to allocate 2MB page by default.
How fast do you run out of memory if you do that every time you actually
only need a few 4K pages? (In other words - think what that isn't the
default behavior already
On Wed, 30 Jul 2014 18:26:39 -0500, Xin Tong said:
I am planning to use this only for workloads with very large memory
footprints, e.g. hadoop, tpcc, etc.
You might want to look at how your system gets booted. I think you'll find
that you burn through 800 to 2000 or so processes, all of which
On Tue, 29 Jul 2014 20:59:08 +0700, Anh Le said:
still, user programs like bash could have a race problem by spliting
the input, I hope that they can somehow take care of this problem
themselves.
stdio is *not* always your friend. fopen/fprintf is prone to splitting on
bugger boundaries
On Fri, 25 Jul 2014 11:03:36 +0530, ravi ranjan Mishra said:
How to make environment like (build and test) for working on kernel patch,
what are the resources should be available for that.
thanks.
Depends on what exactly you're trying to do. If it involves hardware
support, you'll need the
On Thu, 24 Jul 2014 22:23:00 -0400, Nick Krause said:
I having been doing build tests and checkpatch in staging for the last month.
It doesn't seem like it's worth my time as so my other people are doing it. I
want an interesting project one that is challenging and rewarding :).
OK. I'm gonna
On Fri, 25 Jul 2014 19:36:26 +0530, Sudip Mukherjee said:
Hi,
I am having some doubt regarding git and how to sync my local copy
with linux-next. I have cloned it and the next day if I want to sync
my master with linux-next , i am using :
git remote update
git pull master
git pull won't
On Fri, 25 Jul 2014 15:23:42 -0700, Arlie Stephens said:
If you want an annoying problem, explain and/or fix directory
performance on ext4. I've got a server where an ls of a directory took
5 seconds, according to time, even though it only has 295 entries at
present.
I don't suppose you
On Thu, 24 Jul 2014 14:19:37 +0200, Kristof Provost said:
On 2014-07-24 09:00:22 (-0300), Lucas Tanure tan...@linux.com wrote:
Line 2 of arch/arch/powerpc/boot/io.h :
1 #ifndef _IO_H
2 #define __IO_H
3
4 #include types.h
Should be _IO_H, not __IO_H. I'm right ?
That
On Wed, 23 Jul 2014 17:55:50 -, Jeff Haran said:
From: 'Greg KH' [mailto:g...@kroah.com]
If you could elaborate on where the race condition is here, I think
you'd being doing both me and the community a great service.
Nice try with the Do it for the community because I don't
On Thu, 17 Jul 2014 05:58:03 +0800, Amerei Acuna said:
I'm writing a custom PCI driver for a hobby endpoint. Due to some
special, possibly unique, circumstance, I need to determine if two
devices form a pair. As I'm using a PCI switch to connect these two
devices, I'm thinking on the
On Mon, 14 Jul 2014 17:57:10 -0300, Lucas Tanure said:
Hi,
No I didn't. It is a clean linux-next tree.
Turns out that if I don't update every day I got this issue.
Due to the way the linux-next tree is built, 'git pull' won't work.
You want to 'git clone' Linus's master tree, then 'git
On Mon, 14 Jul 2014 21:47:10 +0530, sagar hu said:
I am trying to log huge data into SD card(class-10), doing this operation is
causing frequent loss of data, is there any way in which I can use /tmp for
temporary storage and frequently move the data to SD card ?
This isn't a kernel
On Sat, 21 Jun 2014 15:07:49 +0530, karthik said:
I was just going through the linux-next source and found a small change
in one of the files. (Unnecessary else)
One-line patches that fix misleading logic are always welcome.
Just remember to:
1_ Read Documentation/SubmititingPatches.txt and
On Fri, 20 Jun 2014 15:36:47 +0200, Teto said:
Do you know any tool/software to retrieve the average latency for a
specific program on a specific platform. This is to modelize the
application rate for data processing.
You need to add while running under a specific application load, because
On Mon, 16 Jun 2014 18:23:56 +0200, Teto said:
I could not find an answer yet. I've found that on latest kernel
latency is on average around 3us with a max at 64us (I consider a
moderate load). Is that correct ?
Depends on your hardware and system load. I'd hardly expect the same numbers
601 - 700 of 1018 matches
Mail list logo
