Hi Everybody,
I am doing a project for PowerPC. Since I don't have a PowerPC system,
can any one point me on a how-to for qemu-system-ppc? I tried installing
debian system on qemu-system-ppc but it didn't work. System hung after
print prom_init. I had problems with ppc-bios first but I installed
On Sat, Oct 16, 2010 at 09:01:47AM -0700, Abu Rasheda wrote:
I want to learn hardware intimately. I am interested in MIPS and Intel (i386)
platforms. What would be a good way to start ?
With this line, it seems you are interested in the above architectures.
If so, for MIPS See MIPS Run Linux
From: mulyadi.sant...@gmail.com
Date: Mon, 11 Oct 2010 11:35:38 +0700
Subject: Re: Reading TLB Entries
To: gprabhun...@gmail.com
CC: kernelnewbies@nl.linux.org
Hi
On Mon, Oct 11, 2010 at 11:30, Prabhu nath gprabhun...@gmail.com wrote:
Yes please. Nice to have your say on this.
Use cscope and search for kernel_entry symbol. I think its in
arch/$ARCH/boot/head.S or may in in kernel directory.
I would recommend refer Linux Kernel Primer- it explains boot process
line-by-line for X86 and PPC.
On Friday 08 October 2010 06:49 PM, cheng chen wrote:
Thanks to the people who help me with the NFS configure yesterday.
Now I sure I can mount my nfs directory on my own pc, that means nfs works
fine
And I also make sure that ping from my embedded board to my PC is ok.
but after I boot the
Hi Everybody,
I searched alot about these two attributes. These are being used in __percpu in
linux kernel. I am unable to find any documentation about these two attributes.
Anybody has links on them? Or anybody can shed some light on them?
Thanks
Regards
Himanshu
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On Fri, Sep 03, 2010 at 05:24:35PM +0530, Himanshu Chauhan wrote:
I searched alot about these two attributes. These are being used in __percpu
in linux kernel. I am unable to find any documentation about these two
attributes. Anybody has links on them? Or anybody can shed some light on them
On 13 June 2010 14:31, vikas chauhan presentisg...@gmail.com wrote:
I guess these headers ( in /usr/include/linux ) are sanitized kernel
headers, needed for compiling user space applications.
On 13 June 2010 11:48, Siddu siddu.s...@gmail.com wrote:
On Fri, Jun 11, 2010 at 8:28 PM, Joel
On 13 June 2010 14:55, Joel Fernandes agnel.j...@gmail.com wrote:
On Sun, Jun 13, 2010 at 2:17 PM, vikas chauhan presentisg...@gmail.com
wrote:
On 13 June 2010 14:31, vikas chauhan presentisg...@gmail.com wrote:
I guess these headers ( in /usr/include/linux ) are sanitized kernel
On 16 May 2010 20:17, vikas chauhan presentisg...@gmail.com wrote:
Actually, I was a bit confused about reference counts, since some older
modules ( like the OSSv4 drivers ) use their own copy of reference counts,
and the above functions, it seems like , is being used by kernel to maintain
On Tue, Mar 02, 2010 at 11:44:25AM +0530, Vikash Kumar wrote:
BUG: scheduling while atomic: RAID_LAZY_WRITE/102/0x0205
no locks held by RAID_LAZY_WRITE/102.
Almost *always* a problem when doing stuff which can sleep while holding a
spinlock.
As you also verified that :)
- Himanshu
--
On Fri, Jan 29, 2010 at 06:15:04AM -0800, Greg KH wrote:
On Fri, Jan 29, 2010 at 09:41:21AM +0530, Himanshu Chauhan wrote:
On Thu, Jan 28, 2010 at 01:11:36PM -0800, Greg KH wrote:
On Fri, Jan 29, 2010 at 12:12:31AM +0530, Himanshu Chauhan wrote:
Dear all,
I want to create
Dear all,
I want to create subdirectory under subdirectory in sysfs
for a device. For example, if vhci_hcd is my device I want
the following hierarchy:
vhci_hcd
|
+-- status
|
+---0
||
|+-- status
||
|+--
On Thu, Jan 28, 2010 at 01:11:36PM -0800, Greg KH wrote:
On Fri, Jan 29, 2010 at 12:12:31AM +0530, Himanshu Chauhan wrote:
Dear all,
I want to create subdirectory under subdirectory in sysfs
for a device.
Ick, don't.
For example, if vhci_hcd is my device I want
the following
On Tue, Jan 26, 2010 at 07:29:24AM -0800, Greg KH wrote:
On Tue, Jan 26, 2010 at 12:01:27PM +0530, Himanshu Chauhan wrote:
On Mon, Jan 25, 2010 at 08:36:46PM -0800, Greg KH wrote:
On Sun, Jan 24, 2010 at 01:11:18PM +0530, Himanshu Chauhan wrote:
Hi All,
The sysfs_ops's show
On Mon, Jan 25, 2010 at 08:36:46PM -0800, Greg KH wrote:
On Sun, Jan 24, 2010 at 01:11:18PM +0530, Himanshu Chauhan wrote:
Hi All,
The sysfs_ops's show vector doesn't have a size of the
buffer given to the vector, while store on the other hand
has. What is the rationale behind
Hi All,
Where should I send small patches? Patches which address small
compilation warnings etc. Linux kernel mailing list receives a
lot of heavy weight patches and small patches get lost. Which
is the best place to send, then? Is Kernel Janitor mailing
list alive?
Regards
Himanshu
--
To
Dear All,
Isn't there problem in this code snippet?
wake_up will called even before releasing spin lock.
If there are sleeping threads/processes, they will
wakeup and spinlock is never be unlocked. Am I wrong?
spin_lock(ud-lock);
ud-event |= event;
wake_up(ud-eh_waitq);
spin_unlock(ud-lock);
On Sat, Jan 23, 2010 at 11:38:28AM +0700, Mulyadi Santosa wrote:
Hi everybody
As the subject says, anybody could kindly point me to the
PageSwapBacked() definition? I use cscope, lxrno use at all. I am
guessing, it could be a function that is composed by somekind of gcc
macro, but I am
Hi All,
The sysfs_ops's show vector doesn't have a size of the
buffer given to the vector, while store on the other hand
has. What is the rationale behind it?
I see most of the implementations doing strcpy in the
show vectors. Ill behaved driver might overwrite the
given buffer when size is not
2.6.21.7 is broken with latest GCC. The following patch fixes the issue. Its a
build break because of compiler optimizing using modulo.
diff --git a/include/linux/time.h b/include/linux/time.h
index 2091a19..d32ef0a 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -174,6 +174,10
After reading the mail, it seems I should give the compilation error log to
make the question crisp. So here it is:
kernel/built-in.o: In function `getnstimeofday':
(.text+0x22bdc): undefined reference to `__umoddi3'
kernel/built-in.o: In function `getnstimeofday':
(.text+0x22bfc):
Hi all,
I was trying to probe shrink_list in mm/vmscan.c
When my pre_handler is called, the esp doesn't point to the correct stack
frame. I put pre_handler for shrink_list itself. So ideally when call to this
point will hit, esp should already be pointing to the return_address location
in
Hi Mulyadi,
I was trying to probe shrink_list in mm/vmscan.c
When my pre_handler is called, the esp doesn't point to the correct stack
frame. I put pre_handler for shrink_list itself. So ideally when call to
this point will hit, esp should already be pointing to the return_address
is that the whole message? please post the complete one so we all get
the complete picture.
However, briefly, i think the oops was started due to some bugs in one
or more kernel threads (see kernel_thread_helper there?). BTW,
scst...hmmm, SCSI module?
Hi Mulyadi,
Ya that is not
Hi Amit,
You didn't provide the full OOPs message.
On Wed, 2009-04-22 at 22:04 +0530, amit mehta wrote:
snip
[c0104878] apic_timer_interrupt+0x28/0x30
[f8e2d06f] scst_cmd_thread+0x9c/0xfc [scst]
[c011bbed] default_wake_function+0x0/0x8
[f8e2cfd3] scst_cmd_thread+0x0/0xfc [scst]
While going through vmscan.c, I found references to mem_cgroup. What
kind of group is it? When is it used?
Thanks
Regards
Chauhan
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*/
while (pgcount--) {
page_cache_release (maplist[pgcount]);
}
Hope this would help.
Regards
Chauhan
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On Tue, 2009-02-17 at 15:20 +0800, Peter Teoh wrote:
looking into kernel source, it seemed quite simple:
./sound/pci/emu10k1/memory.c:
#define get_aligned_page(offset)((offset) PAGE_SHIFT)
blk-first_page = get_aligned_page(blk-mem.offset);
blk-last_page =
On Mon, 2009-02-09 at 21:16 +0700, Mulyadi Santosa wrote:
Hi...
On Mon, Feb 9, 2009 at 2:57 PM, sudheer.divaka...@wipro.com wrote:
Hi All,
Please look at the following code from the article Sleeping in the Kernel
http://www.linuxjournal.com/node/8144/print
1
On Sun, 2009-02-08 at 17:47 +0700, Mulyadi Santosa wrote:
Hi..
On Sun, Feb 8, 2009 at 1:46 AM, Himanshu Chauhan chauhan@gmail.com
wrote:
Am I correct when I say that try_to_free_pages is called in direct
reclaim, and balance_pgdat is invoked, directly or indirectly, by
kswapd
On Sun, 2009-02-08 at 18:14 +0700, Mulyadi Santosa wrote:
Hi...
On Sun, Feb 8, 2009 at 6:00 PM, Himanshu Chauhan chauhan@gmail.com
wrote:
On Sun, 2009-02-08 at 17:47 +0700, Mulyadi Santosa wrote:
Hi..
On Sun, Feb 8, 2009 at 1:46 AM, Himanshu Chauhan chauhan@gmail.com
wrote
On Sun, Feb 8, 2009 at 8:34 AM, Himanshu Chauhan
chauhan@gmail.com wrote:
Hi,
I know is an all-time asked question. But I am asking this not
because I
am clueless but because I am fed up of the ubuntu way. I am
done with
its
Hi,
I pulled linus' git tree and make a branch on it. So I have to master:
master
* swapoutclustering
As seen, I am working on swapoutclustering branch. But when I do a
simple git pull, I see the following message.
You asked me to pull without telling me which branch you
want to merge with, and
On Sat, 2009-02-07 at 22:06 +0530, Himanshu Chauhan wrote:
Hi,
I pulled linus' git tree and make a branch on it. So I have to master:
master
* swapoutclustering
As seen, I am working on swapoutclustering branch. But when I do a
simple git pull, I see the following message.
You asked
On Sat, 2009-02-07 at 23:58 +0700, Mulyadi Santosa wrote:
Hi
On Sat, Feb 7, 2009 at 7:22 PM, Shyam Burkule shyam.burk...@gmail.com wrote:
Hi,
One question about Interrupt,
I read in blog http://lkdp.blogspot.com/ that When an interrupts are being
masked, they are not lost, rather
Am I correct when I say that try_to_free_pages is called in direct
reclaim, and balance_pgdat is invoked, directly or indirectly, by
kswapd?
Thanks
Regards
- Himanshu
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Hi,
I am updating my tree with git-pull.
But I am getting this error.
scripts/package/Makefile: needs update
error: Entry 'scripts/package/Makefile' not uptodate. Cannot merge.
How can I fix this?
Thanks
Best Regards
- Himanshu
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On Wed, 2009-01-28 at 18:37 +, Luciano Rocha wrote:
On Wed, Jan 28, 2009 at 10:29:18PM +0530, Himanshu Chauhan wrote:
Hi,
I am updating my tree with git-pull.
But I am getting this error.
scripts/package/Makefile: needs update
error: Entry 'scripts/package/Makefile
Hello all,
Suppose I have a circular buffer in a driver and there are 3
threads/processes sleeping for the data in it. Now when data arrives in
circular buffer and I post a wakeup, what will happen? Only one of the
thread would be able to read from the buffer and other would be put to
sleep.
Dear all,
Patches now should be generated against the linus' tree or the
linux-next tree?
Regards
--Himanshu
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Kyle Spaans wrote:
On Sat, Aug 9, 2008 at 7:03 PM, Sri Ram K Vemulpali
[EMAIL PROTECTED] wrote:
If any one in the group knows a project to work on or have any idea to
work in collaboration or knows to direct where more blogs are
If blogs about the Linux kernel is what you're looking for. I
Robert P. J. Day wrote:
just picked up a copy of:
http://elinuxdd.com/index.html
and about to read it cover to cover. anyone else already been down
that road? thoughts?
Just bought the book and skimmed over it. Discusses more than what title
says and looks promising. Thanks for the
Hi list,
what is asynchronous read/write operation? How it is different from
normal read/write operation?
Normally i have seen that the file read/write operation is set to
do_sync_read/write which in turns call to aio_read/write. So I could
not able understand the difference.
TIA,
Vijay
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Hi List,
I am a newbie and learning how to write a kernel module.
I was reading about __init qualifier, in the init.h file it is mentioned that:
/* These macros are used to mark some functions or
* initialized data (doesn't apply to uninitialized data)
* as `initialization' functions. The
Hi,
In Linux_Kernel_Development book it is mentioned that:
A process consists of one or more threads of execution.
Each thread includes a unique program counter, process stack, and set of
processor registers.
So all the threads of a process share the same stack??
TIA,
Vijay
Hello all!
I am using work queues to process my interrupts at later time. I have
a little problem. WHen the workqueue function is called, Only then I
can decide is there is something to be processed. If not, I would like
to put the work back in the queue in the same position i.e. the head
of the
Dear all,
I was reading the LDD3's DMA chapter (chapter 15). The author talks
about the splitting of address space between 1GB and 3GB. I couldn't
make myself crystal clear as to why it is done. I got even more
confused when he said kernel can't access physicalmemory address which
is not mapped
hi all,
can anybody please tell me difference between dmac_clean_range() and
clean_dcache_area()? I am using 2.6.11 on ARM11. It seems to me that both clean
dcache lines specified by arguments (only the arguments that both functions
take are different), Is there any difference in their
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