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From: Roland Dreier <rdreier@cisco.com>
To: Andreas Schwab <schwab@suse.de>
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Subject: Re: [PATCH] Kbuild: Disable the -Wformat-security gcc flag
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 > > So what is this "warn_no_rtc" thing?
 > >
 > >         static char             warn_no_rtc[] __initdata =
 > >                 KERN_WARNING "PM: no wakealarm-capable RTC driver is ready\n";
 > 
 > Does it help to make it const?

You can't make __initdata const, because the initdata section is not
read-only.

 - R.