linux-kernel - Re: how to find when a symbol introduced into the kernel

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Message-Id: <1213517284.3596.5.camel@moss.renham>
Date:	Sun, 15 Jun 2008 18:08:04 +1000
From:	Ben Nizette <bn@...sdigital.com>
To:	Zhaohui Wang <zwange@....edu>
Cc:	linux-newbie@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: how to find when a symbol introduced into the kernel


On Sat, 2008-06-14 at 18:11 -0400, Zhaohui Wang wrote:
> 
> 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?
> 

You can see the last time a line in a file was touched with git-blame;
that might help.

	--Ben.
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