Re: [PATCH 1/1] ftrace: adding other non-leaving .text sections

[Paul Mundt <lethal@linux-sh.org>]

On Tue, Nov 25, 2008 at 10:03:35PM -0500, Steven Rostedt wrote:
> 
> On Wed, 26 Nov 2008, Liming Wang wrote:
> 
> > Please review this patch, and I don't know whether new sections will conflict 
> > with sched tracer or others. 
> > This patch is against Steven tree's tip/devel latest commit.
> > 
> > Impact: improve recordmcount.pl
> > 
> > Besides .text section, there are three .text sections that won't
> > be freed after kernel booting. They are: .sched.text, .spinlock.text
> > and .kprobes.text, which contain functions we can trace. But the last
> > section ".kprobes.text" is particular, which has been marked as "notrace",
> > we ignore it. Thus we add other two sections.
> 
> Yep, only those sections that we know will not disappear are OK. I was
> conservative with only using ".text" but I knew there were other sections 
> that were OK, so I used the hash array to make it easy to add others.
> 
Does your .text cover .text.head by the way?