RE: Zero Initialized in BSS

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> -----Original Message-----
> From: kernelnewbies-bounce@xxxxxxxxxxxx 
> [mailto:kernelnewbies-bounce@xxxxxxxxxxxx] On Behalf Of John 
> Anthony Kazos Jr.
> Sent: 25 March 2007 11:59 AM
> To: Daniel Cheng
> Cc: kernelnewbies@xxxxxxxxxxxx
> Subject: Re: Zero Initialized in BSS
> 
> > no,
> > kernel-hacking guides say you should not initialize it *explicitly*,
> > because gcc have done that you for *implicitly* already.
> 
> So initializing it explicitly does take it out of bss, even 
> though it's 
> initialized to zero and that GCC flag is on? 

Hi John,

I think what the kernel-hacking guides are getting at is that it has
already effectively been initialised to zero, therefore doing it again
is just a waste of processor cycles.

Martyn

----
Martyn Welch
Principal Software Engineer
Radstone Digital Processing
Part of GE Fanuc Embedded Systems

Phone: +44 (0) 1327 322748
email: martyn.welch@xxxxxxxxxxxxxx
web: www.radstone.com

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