RE: Major/minor numbers

2013-03-05 Thread Pranay Kumar Srivastava


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 Contents of Kernelnewbies digest...
 
 
 Today's Topics:
 
1. Module compilation error (Pietro Paolini)
2. Re: Module compilation error (Mulyadi Santosa)
3. Re: Module compilation error (valdis.kletni...@vt.edu)
4. pthread_lock (ishare)
5. Re: pthread_lock (Mandeep Sandhu)
6. Re: pthread_lock (valdis.kletni...@vt.edu)
7. Major/minor numbers (Shraddha Kamat)
8. Re: pthread_lock (Mandeep Sandhu)
9. Re: pthread_lock (ishare)
   10. Re: Major/minor numbers (Anuz Pratap Singh Tomar)
 
 
 --
 
 Message: 1
 Date: Mon, 4 Mar 2013 19:48:33 -0500 (EST)
 From: Pietro Paolini pulsarpie...@aol.com
 Subject: Module compilation error
 To: kernelnewbies@kernelnewbies.org
 Message-ID: 8CFE7524C1296F0-1764-9EDF@webmail-
 m235.sysops.aol.com
 Content-Type: text/plain; charset=us-ascii; format=flowed
 
 Hi all,
 
 I tried, as beginner, to compile a simple module downloaded by internet,
 hello_printk, I am using ArchLinux and I followed the simplest way for
 compile a new kernel tree from here :
 
 https://wiki.archlinux.org/index.php/Kernels/Compilation/Arch_Build_Syste
 m
 
 But when I try to compile I catch these errors:
 
 echo 2   ERROR: Kernel configuration is invalid.;   \
 echo 2  include/generated/autoconf.h or
 include/config/auto.conf are missing.;\
 echo 2  Run 'make oldconfig  make prepare' on kernel src
 to fix it.;  \
 echo 2 ;  \
 /bin/false)
 
 Of course I checked the path of the kernel and under the directory wrote on
 the error messages I can find the files autoconf.h and auto.conf that I really
 don't understand what could be wrong, the makefile is really really simple
 then I can post it:
 
 obj-m := hello_printk.o
 KDIR  ?= mypersonalpath/core/linux/src/linux-3.7
 PWD   := $(shell pwd)
 default:
 $(MAKE) -C $(KDIR) M=$(PWD) modules
 
 Someone can help me ?
 
 
 
 Pietro Paolini
 pulsarpie...@aol.com
 
 
 
 --
 
 Message: 2
 Date: Tue, 5 Mar 2013 09:07:51 +0700
 From: Mulyadi Santosa mulyadi.sant...@gmail.com
 Subject: Re: Module compilation error
 To: Pietro Paolini pulsarpie...@aol.com
 Cc: kernelnewbies@kernelnewbies.org
 Message-ID:
   CAGdaadZ=eziBhY6zTFzSC5PZ_yTzgnVjQ0rgbk_SQQCjyt6ZBA@mail.
 gmail.com
 Content-Type: text/plain; charset=ISO-8859-1
 
 On Tue, Mar 5, 2013 at 7:48 AM, Pietro Paolini pulsarpie...@aol.com
 wrote:
  Hi all,
 
  I tried, as beginner, to compile a simple module downloaded by
  internet, hello_printk, I am using ArchLinux and I followed the
  simplest way for compile a new kernel tree from here :
 
  https://wiki.archlinux.org/index.php/Kernels/Compilation/Arch_Build_Sy
  stem
 
  But when I try to compile I catch these errors:
 
  echo 2   ERROR: Kernel configuration is invalid.;   \
  echo 2  include/generated/autoconf.h or
  include/config/auto.conf are missing.;\
  echo 2  Run 'make oldconfig  make prepare' on kernel src
 
 try the suggested above step. IIRC, those commands will do things like
 preparing the neccessary object files, headers and so on, so it is ready for
 you to be used on your kernel programming.
 
 Apologize since I can't provide deeper details about this.
 
 
 
 --
 regards,
 
 Mulyadi Santosa
 Freelance Linux trainer and consultant
 
 blog: the-hydra.blogspot.com
 training: mulyaditraining.blogspot.com
 
 
 
 --
 
 Message: 3
 Date: Mon, 04 Mar 2013 21:47:46 -0500
 From: valdis.kletni...@vt.edu
 Subject: Re: Module compilation error
 To: Mulyadi Santosa mulyadi.sant...@gmail.com
 Cc: Pietro Paolini pulsarpie...@aol.com,
   kernelnewbies@kernelnewbies.org
 Message-ID: 6607.1362451...@turing-police.cc.vt.edu
 Content-Type: text/plain; charset=us-ascii
 
 On Tue, 05 Mar 2013 09:07:51 +0700, Mulyadi Santosa said:
  On Tue, Mar 5, 2013 at 7:48 AM, Pietro Paolini pulsarpie...@aol.com
 wrote:
 
   echo 2  Run 'make oldconfig  make prepare' on kernel src
 
  try the suggested above step. IIRC, those commands will do things like
  preparing the neccessary object files, headers and so

RE: Major/minor numbers

2013-03-05 Thread Pranay Kumar Srivastava





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Major/minor numbers

2013-03-04 Thread Shraddha Kamat
Does the max number of devices supported by Linux limited by major minor
number ? Can you please give me some pointers regarding this.

-- Shraddha 


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