On 23/11/2010 11.38, Carlo Caione wrote:
On 23/11/2010 11:24, Bond wrote:
Hi,can any one give a link to ftp site where I can get the sample
codes of LDD 3rd edition book.
A chapter of Block Device Driver talks about it and says that such
codes exist online.
I want a link to that.
C'mon, it's
Il 06/10/2010 18.50, Usman S. Ansari wrote:
--- On Wed, 10/6/10, luca ellerolro...@gmail.com wrote:
I have seen kernel symbols (talking in general, not sys_call_table),
appear in /proc/kallsyms in some version of kernel and not in others.
Symbol definition is same in both kernel revs.
What
Il 05/10/2010 1.53, Usman S. Ansari wrote:
Not any more, sys_call_table is not exported any more in recent kernel (at
least 2.6)
I have seen kernel symbols (talking in general, not sys_call_table), appear in
/proc/kallsyms in some version of kernel and not in others. Symbol definition
is
;-)
Regards
Luca Ellero
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this kind of code anywhere.
Any hints?
NOTE: I know that from kernel 2.6.34 there is a lot of work in progress
to eliminate bootmem code and substitute it with early_res but suppose
for the moment that we didn't specify the config option NO_BOOTMEM.
Regards
Luca Ellero
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Il 01/10/2010 9.51, Arun KS wrote:
Hello,
kmalloc() memory is reserved or not?
No, kmalloc memory is not reserved. The buddy allocator, which is
eventually used by kmalloc, use only pages NOT reserved and don't mark
the pages reserved when these are allocated.
In other words reserved bit is
Hi,
Il 29/09/2010 19.28, Sri Ram Vemulpali wrote:
Hi All,
I have a doubt regarding implementation of segmentation in OS.
Since GDT is used to implement the segmentation, in that table
you add all segments descriptors dividing the linear address space.
In a flat model you
in progress
to eliminate bootmem code and substitute it with early_res but suppose
for the moment that we didn't specify the config option NO_BOOTMEM.
Regards
Luca Ellero
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Il 23/09/2010 15.49, Mulyadi Santosa ha scritto:
Hi...
On Thu, Sep 23, 2010 at 16:13, Tayade, Nilesh
nilesh.tay...@netscout.com wrote:
-Original Message-
From: kernelnewbies-bou...@nl.linux.org [mailto:kernelnewbies-
bou...@nl.linux.org] On Behalf Of Arun KS
Sent: Thursday, September
but still
disable IRQs
regards
Luca Ellero
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Mulyadi Santosa ha scritto:
Hi
On Thu, Jul 15, 2010 at 23:42, Radhesh Kamath rmk.l...@gmail.com wrote:
Hi list,
Apologies if this is not purely a kernel-related question:
I have a kernel module that sends me an RDTSC value to userspace, and
I need to get a UTC timestamp based on this.
As
Pei Lin ha scritto:
2010/6/7 luca ellero lro...@gmail.com:
Thanks again for your replay, anyway I'm still confused. See inline
comments.
Pei Lin wrote:
2010/5/31 luca ellero lro...@gmail.com:
Pei Lin wrote:
2010/5/17 luca ellero lro...@gmail.com:
Hi
Thanks again for your replay, anyway I'm still confused. See inline
comments.
Pei Lin wrote:
2010/5/31 luca ellero lro...@gmail.com:
Pei Lin wrote:
2010/5/17 luca ellero lro...@gmail.com:
Hi list,
I have some (maybe stupid) questions which I can't answer even after
reading
Pei Lin wrote:
2010/5/17 luca ellero lro...@gmail.com:
Hi list,
I have some (maybe stupid) questions which I can't answer even after reading
lots of documentation.
Suppose I have a PCI device which has some I/O registers mapped to memory
(here I mean access are made through memory, not I/O
to use Ctrl-C
remotely you must apply the patch )
On the develop machine:
- stty speed 115200 /dev/ttyS0
- gdb vmlinux
target remote /dev/ttyS0
you can now use gdb commands: r,c, ...
regards
Luca Ellero
diff -Nur linux-2.6.31.4.original/drivers/char/tty_io.c
linux-2.6.31.4
Hi list,
I had no response here, so I made some research.
If someone is interested, here I reply to myself ;-)
It was especially useful reading Intel manual:
The Intel Architecture Software Developer Manual (Vol3) - System
Programming Guide
See inline comments.
luca ellero wrote:
Hi list,
I
Hi list,
I have some (maybe stupid) questions which I can't answer even after
reading lots of documentation.
Suppose I have a PCI device which has some I/O registers mapped to
memory (here I mean access are made through memory, not I/O space).
As far as I know the right way to access them is
Hi,
nidhi mittal hada wrote:
Hi All
I want to use magic sysrq key functioning
I have enabled in /etc/sysctl.conf
kernel.sysrq = 1
but when i press alt + sysrq it asks me to take a screenshot
on my Logitech keyboard i have prntscreen / sysrq on same key
and i dont have any fn key on it
How
Ozan Türkyılmaz wrote:
26.01.2010 17:42, Greg KH yazmış:
On Sun, Jan 24, 2010 at 10:49:24AM +0530, Joel Fernandes wrote:
Hi Peter,
Thanks for your message.
Actually I'm interested in how modprobe autoloads modules based on the
modalias files in sysfs. I read this in Greg KH's great book -
, luca ellero lro...@gmail.com wrote:
Greg KH ha scritto:
On Wed, Jan 20, 2010 at 01:54:08PM +0100, luca ellero wrote:
Hi everybody,
I'm writing a driver that use a USB mouse as a minimal keyboard (binding
mouse buttons to some useful keys: Enter, Tab, ESC or others
Greg KH ha scritto:
On Wed, Jan 20, 2010 at 01:54:08PM +0100, luca ellero wrote:
Hi everybody,
I'm writing a driver that use a USB mouse as a minimal keyboard (binding
mouse buttons to some useful keys: Enter, Tab, ESC or others).
The problem is the USB mouse driver (integrated
() again to take control of the mouse. From
thereon, the program can go into a polling loop to accept all input
from the USB devices via libusb_interrupt_transfer() etcAPIs.
Not sure if u have the same situation?
Thanks.
On Wed, Jan 20, 2010 at 8:54 PM, luca ellero lro...@gmail.com wrote
Hi everybody,
I'm writing a driver that use a USB mouse as a minimal keyboard (binding
mouse buttons to some useful keys: Enter, Tab, ESC or others).
The problem is the USB mouse driver (integrated into the kernel) takes
over the mouse device and so my driver is never bind to it.
Now, I know
Jan Pazderník wrote:
Hello.I have been working on program based on LDD3 source tiny_tty
driver (http://www.cs.fsu.edu/~baker/devices...tty/tiny_tty.c
http://www.cs.fsu.edu/%7Ebaker/devices/lxr/http/source/ldd-examples/tty/tiny_tty.c)
and I have problem with reading from device in user space.
Kristian Evensen ha scritto:
Hello again,
Thank you very much for all your help with kernel threads, I have now
developed a couple of test modules which use them and feel like I start to
understand them. However, there is one thing I have yet to figure out how to
solve properly.
I am working
Hi everybody,
I've setup an x86 system with kernel 2.6.31.4 and enabled kdb.
I know how to dump memory with md command and CPU registers with rd.
I wonder if there is a way to read (and maybe write) I/O ports from
within kdb.
Any suggestions are welcome
Thanks
Luca
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.
[...]
Then why not simply use do { } while (0) or similar?
[
On Wed, Sep 2, 2009 at 1:24 PM, luca ellero
lro...@libero.it wrote:
[...]
can someone please explain me the meaning/benefits
of the if
(0
Frederic Weisbecker wrote:
On Thu, Sep 03, 2009 at 09:25:40AM +0200, luca ellero wrote:
Bernd Petrovitsch ha scritto:
On Wed, 2009-09-02 at 15:17 +0530, Anuz Pratap Singh Tomar wrote:
On Wed, Sep 2, 2009 at 2:30 PM, Bernd Petrovitsch be...@firmix.at
wrote:
On Wed, 2009-09-02 at 13:31
Bill Weiler wrote:
I wanted to make an Application that could send scripted SCSI and SATA
commands to my drives. I have found my Fedora Linux to be too complex to
control the drives in this way. I have looked at minimal Linux but I
think this would have the same problem. Is there an easier
Mulyadi Santosa wrote:
Hi...
On Mon, Jul 6, 2009 at 8:04 PM, luca ellerolro...@libero.it wrote:
Hi all,
I'm trying to debug/trace early stages of kernel boot on x86 (just for fun
and learning). I mean very first stages when CPU is still in real-mode.
Since tools like printk/kdb/kgdb are not
Mauricio Mauad Menegaz Filho wrote:
Hi
2009/3/24 luca ellero lro...@libero.it mailto:lro...@libero.it
Hi all,
I was investigating netlink sockets on the linux kernel and I was
wondering how can I list all opened netlink sockets on the system.
I've tryed netstat --netlink but my
Hi all,
I was investigating netlink sockets on the linux kernel and I was
wondering how can I list all opened netlink sockets on the system.
I've tryed netstat --netlink but my system (Ubuntu 8.10) seems to not
have that option.
Thanks in advance
Luk
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Michael Blizek ha wrote:
Hi!
On 09:45 Fri 19 Dec , luca ellero wrote:
Michael Blizek wrote:
Hi!
Hi Michael and thank you for your reply.
On 14:35 Thu 18 Dec , luca ellero wrote:
2. Why spin_lock_irqsave is used only between IRQ Handler A and
IRQ Handler B? In all other situation
in advance
Luca Ellero
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, 2008 at 4:01 PM, luca ellero [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
Hi everybody,
I'm trying to compile the examples of LDD3 with kernel 2.6.22.
http://2.6.22.
I get them from:
http://www.oreilly.com.cn/codeexample/ldd3/
I have some problems/questions
Hi everybody,
I'm trying to compile the examples of LDD3 with kernel 2.6.22.
I get them from:
http://www.oreilly.com.cn/codeexample/ldd3/
I have some problems/questions regarding tiny_tty.c and tiny_serial.c
(tty directory concerning chapter 18)
1) Are they tty or uart drivers? What is the
, luca ellero [EMAIL PROTECTED] wrote:
Hi everybody,
maybe this is not really related to kernel. Anyway I would like to know in
which order udev loads module drivers.
I mean, if there is a driver that works for a specific USB device and a more
generic USB class driver for the same device, which one
Hi everybody,
maybe this is not really related to kernel. Anyway I would like to know
in which order udev loads module drivers.
I mean, if there is a driver that works for a specific USB device and a
more generic USB class driver for the same device, which one will be loaded.
I think that it
Sitsofe Wheeler wrote:
Henrik Austad wrote:
On Monday 15 September 2008 17:13:08 luca ellero wrote:
Why slock is not declared as volatile in the 2.6.25 kernel?
the section you refer to (volatile), was introduced in commit
fb1c8f93d869b34cacb8b8932e2b83d96a19d720 in sep. 2005.
volatile
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