how to find when a symbol introduced into the kernel

[Zhaohui Wang <zwange@gmu.edu>]

Hi all

To write multiple kernel version compatible programs, I need to know when a specific symbol (a struct or a function)were introduced in to the kernel tree

Binary search against multiple kernel sources is a way,but is still slow.Is there any fast way to use modern git technology to make my life easier?

Many thanks.

Best Regards
Zhaohui Wang


> -----Original Message-----
> From: linux-newbie-owner@vger.kernel.org [mailto:linux-newbie-
> owner@vger.kernel.org] On Behalf Of Alexei Babich
> Sent: Friday, May 30, 2008 7:06 AM
> To: linux-newbie@vger.kernel.org
> Subject: Re:
> 
> > Check this out - since it has similar embedded requirements like
> yours
> > (what is a chematic engineer?):
> I ment circuit, not schematic, and that's a misprint in addition :)
> 
> > http://tree.celinuxforum.org/pipermail/celinux-dev/2006-
> July/001261.html
> Thank you for link.
> 
> >
> > Read the comments part of kernel/printk.c - printk() is an amazing
> > function, because it can be called in ANY CONTEXT.....which also
> means
> > that it cannot sleep.   But since u know many I/O function involved
> > some form of waiting, therefore printk() necessarily HAVE TO WRITE TO
> > A BUFFER,
> OK, I need decrease buffer depth.
> Thank you.
> 
> --
> Regards,
> Alexei Babich, circuit engineer, OOO NPP "Rezonans", Chelyabinsk,
> Russia
> http://www.rez.ru
> Jabber ID: impatt@jabber.ru
> --
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