Re: [PATCH] Kprobes blacklist: Conditionally add x86-specificsymbols

[Ananth N Mavinakayanahalli]

On Fri, Mar 08, 2013 at 01:23:25PM +0900, Masami Hiramatsu wrote:
> (2013/03/07 19:44), oskar.andero@xxxxxxxxxxxxxx wrote:
> > From: Bjorn Davidsson <bjorn.davidsson@xxxxxxxxxxxxxx>
> > 
> > The kprobes blacklist contains x86-specific symbols.
> > Looking for these in kallsyms takes unnecessary time
> > during startup on non-X86 platform.
> > Added #ifdef CONFIG_X86 around them.
> 
> Right. however, it might be better break that into
> common and arch-specific lists, because there may be
> other arch-specific non-probe-able functions on each
> architecture...

Agreed. CONFIG_<arch> in kernel/* is not the right thing to do IMO.

You are moving the blacklist initialization to later in the next patch,
so how much overhead will it then be?

Ananth

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