Re: Managing linux-next tree for submitting patches

2012-11-21 Thread Kumar amit mehta
On Wed, Nov 21, 2012 at 02:47:15AM -0500, devendra.aaru wrote: that maintainer's tree is next tree so that next can pickup. once the next pics up your changes gets merged there in next. always its good to work against' maintainers trees, if its a fix then its better work on the maintainer's

Re: Managing linux-next tree for submitting patches

2012-11-21 Thread Greg Freemyer
Kumar amit mehta gmate.a...@gmail.com wrote: On Wed, Nov 21, 2012 at 02:47:15AM -0500, devendra.aaru wrote: that maintainer's tree is next tree so that next can pickup. once the next pics up your changes gets merged there in next. always its good to work against' maintainers trees, if its

Re: Question about applying a kernel patch with git am received from a mailing list

2012-11-21 Thread Kevin Wilson
Hi, Josh, Thanks again! While your suggestion works, it has some disadvantages; maybe you/someone can advice: 1) In the case when I want to apply a series of patches, let's say a patchset of 10 patches, does this mean that I should run pipe git am on each of them ? 2) Even this is the case;

driver questions

2012-11-21 Thread Christopher Biessener
I have searched using google for information regarding linux driver development and have found a lot, but not the answers to these questions: * Can 2 different kernel drivers access the same device at the same time? * Is every driver known as a kernel module? Basically I need advice on if I can

Re: Question about applying a kernel patch with git am received from a mailing list

2012-11-21 Thread Jonathan Neuschäfer
On Tue, Nov 20, 2012 at 07:24:28PM +0200, Kevin Wilson wrote: Hi, I am following some kernel mailing lists (netdev and others). I want to be able to save recent patches and to apply the against a git tree. I tried using MUTT client for this. I save the patch (which is almost always inline).

Re: driver questions

2012-11-21 Thread Greg Freemyer
On Wed, Nov 21, 2012 at 1:11 PM, Christopher Biessener christophe...@voomtech.com wrote: I have searched using google for information regarding linux driver development and have found a lot, but not the answers to these questions: * Can 2 different kernel drivers access the same device at the

what is the difference between kmalloc and vmalloc?

2012-11-21 Thread horse_rivers
thanks! ___ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

Re: what is the difference between kmalloc and vmalloc?

2012-11-21 Thread Mulyadi Santosa
On Thu, Nov 22, 2012 at 10:12 AM, horse_rivers horse_riv...@126.com wrote: thanks! kmalloc allocates memory from slab cache. It tends to be physically contigous and you can get memory size smaller than page size. vmalloc, on the other hand, is when you need only virtually contigous memory area.

Re:Re: Re: Re: problem with kernel make in debian

2012-11-21 Thread horse_rivers
  don't top post, ok? :) ok:) And good luck. Don't forget to share your progress, ok? ;)  of cource!  as you say,the current gcc do not  support  some code, for example :   1.  inline asm code  form                       2. CFLAG can not pass to subdirs my process is continuing .  :)  

Re: what is the difference between kmalloc and vmalloc?

2012-11-21 Thread Vivek Dasgupta
kmalloc allocates physically contiguous memory, while vmalloc allocates memory which is only virtually contiguous and not necessarily physically contiguous. Usually physically contiguous memory is required for hardware devices (dma etc) , thus kmalloc is useful for allocating such memory. And