Re: Tools for checking incorrect usage of locking techniques in k-space

2012-11-06 Thread Kumar amit mehta
On Mon, Nov 05, 2012 at 09:51:19AM +0400, Vladimir Murzin wrote: > I've not tried your module, but I suppose that you should get warning > as soon as you try to take write semaphore once again. > Thank you for your mail. I wanted to try what you've suggested, but now I'm facing a different problem.

Re: Tools for checking incorrect usage of locking techniques in k-space

2012-11-04 Thread Anand Moon
problem.   -Anand Moon From: Vladimir Murzin To: Kumar amit mehta Cc: Srivatsa Bhat ; kernelnewbies@kernelnewbies.org Sent: Monday, November 5, 2012 11:21 AM Subject: Re: Tools for checking incorrect usage of locking techniques in k-space On Tue, Oct 30, 2012

Re: Tools for checking incorrect usage of locking techniques in k-space

2012-11-04 Thread Vladimir Murzin
On Tue, Oct 30, 2012 at 9:41 AM, Kumar amit mehta wrote: > On Mon, Oct 29, 2012 at 12:03:08AM +0530, Srivatsa Bhat wrote: >> You'll need CONFIG_LOCKDEP=y as well. An easy way to configure lock debugging >> checks is to run 'make menuconfig' and enable the required options under the >> "Kernel hack

Re: Tools for checking incorrect usage of locking techniques in k-space

2012-10-31 Thread Kumar amit mehta
On Mon, Oct 29, 2012 at 12:03:08AM +0530, Srivatsa Bhat wrote: > You'll need CONFIG_LOCKDEP=y as well. An easy way to configure lock debugging > checks is to run 'make menuconfig' and enable the required options under the > "Kernel hacking" section. > > > > > If above configuration is all that I n

Re: Tools for checking incorrect usage of locking techniques in k-space

2012-10-28 Thread Srivatsa Bhat
Hi, On Sun, Oct 28, 2012 at 12:36 AM, Kumar amit mehta wrote: > Thank you Srivatsa. It seems that lockdep framework is enabled on my running > kernel. > > > amit@ubuntu:/boot$ egrep -i "debug_kernel|lockdep" config-3.2.0-29-generic-pae > CONFIG_LOCKDEP_SUPPORT=y > CONFIG_DEBUG_KERNEL=y You'll n

Re: Tools for checking incorrect usage of locking techniques in k-space

2012-10-27 Thread Kumar amit mehta
On Sat, Oct 27, 2012 at 09:26:51PM +0530, Srivatsa Bhat wrote: > On Sat, Oct 27, 2012 at 10:11 AM, Kumar amit mehta > wrote: > > Hi, > > > > I recently came across this tool called KEDR[1] for checking memory leak in > > kernel modules. I'm using it to check If my trivial kernel modules (based on

Re: Tools for checking incorrect usage of locking techniques in k-space

2012-10-27 Thread Srivatsa Bhat
Hi, On Sat, Oct 27, 2012 at 10:11 AM, Kumar amit mehta wrote: > Hi, > > I recently came across this tool called KEDR[1] for checking memory leak in > kernel modules. I'm using it to check If my trivial kernel modules (based on > LDD3 examples) are leaking memory. I was wondering if there exist a