How to Start File System in Linux Kernel

2014-08-20 Thread Rahul Garg
Hi All, I have basic knowledge of linux kernel concept and I would like to read more about File System. So I would really appreciate if some one can suggest me some material(blogs, tutorial) or anything which can help me to get better understanding about File system. Regards Rahul

Problem facing while running checkpatch.pl on linux-next tree

2014-07-27 Thread Rahul Garg
Hi All, I am trying to run checkpatch.pl on linux-next tree's staging folder. But whatever sub directory, I try to run it on. It is giving me the same error for all the files : ERROR: Does not appear to be a unified-diff format patch I thought that it might be a problem with my git. So I clone

Need help related to Eudyptula Task 08

2014-05-29 Thread Rahul Garg
Hi All, I am stuck at Task 08. Problem is I have to send files and changes using send-email utility. As per my understanding, whenever we need to add a new file to git, we use git add command, it creates a patch for it and then we will send it. But when I did it, I got response saying that you

How does device tree support for two different LCD panel in the same kernel image ?

2014-05-26 Thread Rahul Garg
I am having confusion with device tree concept. As device tree is used, so that same kernel image can be flashed on the different device (which are compatible). Now suppose I want to use two different LCD panel for same project, For that I will have 2 separate dtsi file which will be having panel

Help needed to use git send-email utility

2014-04-20 Thread Rahul Garg
Hi All, Like many people here, I am also taking Eudyptula Challlenge, But for last 1 week, I am stuck at level 8. I am stuck because I dont know how to send email using git. I have to send some thing like this : [xyz] Task 08 results └─[xyz] [PATCH 01/02] Task 08: add jiffies

Re: How Kernel stack is used in case of different processor mode in ARM architecture?

2014-03-25 Thread Rahul Garg
, Rahul Garg rahul.lnm...@gmail.com wrote: As I understand every process have a user stack and kernel stack. True. Apart from that there is a stack for every mode in ARM achitecture. So This is wrong. Only irq, abort and undefined modes have stacks in linux. That too is very limited, 3 bytes

Re: How Kernel stack is used in case of different processor mode in ARM architecture?

2014-03-25 Thread Rahul Garg
for your prompt answer :) Regards Rahul On Tue, Mar 25, 2014 at 4:45 PM, Arun KS getaru...@gmail.com wrote: On Tue, Mar 25, 2014 at 4:40 PM, Arun KS getaru...@gmail.com wrote: Hello Rahul, On Tue, Mar 25, 2014 at 4:10 PM, Rahul Garg rahul.lnm...@gmail.com wrote: Hi Arun, Lines from Robert

How Kernel stack is used in case of different processor mode in ARM architecture?

2014-03-24 Thread Rahul Garg
As I understand every process have a user stack and kernel stack. Apart from that there is a stack for every mode in ARM achitecture. So I want to know How different stack and stack pointer works in ARM modes? Also when this kernel stack associated with the process will be used ?

is there any faster way to download using git?

2014-03-16 Thread Rahul Garg
Hi All, I am trying to download following git branch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git But it is downloading very slow with speed of 10-40 KB/s. So I was wondering is there any faster way to download this branch. Regards Rahul

Re: A new way to dive into the kernel!

2014-03-16 Thread Rahul Garg
Hi Anand, you can send the attachment in the mail. But make sure it is in not using base64 encoding for attachment. On Sun, Mar 16, 2014 at 1:16 PM, Anand Moon moon.li...@yahoo.com wrote: Hi All, Can we send attachment to lit...@eudyptula-challenge.org or all the code need to be part of the

Problem while compiling my module on downloaded kernel source

2014-03-14 Thread Rahul Garg
Hi, Being newbie to kernel, I downloaded the source code of stable kernel code[3.13.6]. Then I build it using make oldconfig make prepare. Now when I am trying build my kernel module against this source code. But I am unable to do so, Here is the error I am getting make -C

Re:Re: A new way to dive into the kernel! [Eudyptula Challenge]

2014-03-11 Thread Rahul Garg
Hi all, I am also thinking of taking this challenge. But I found very limited information on submission. So can you help me what we need to submit for the Assigment 1, will dmesg (or /proc/kmsg) output and module(assignement1.c and Makeflie) be enough ?? Also is there any group of forum where we