From: Andreas Schwab <schwab@linux-m68k.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Finn Thain <fthain@telegraphics.com.au>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Greg Ungerer <gerg@snapgear.com>,
Gavin Lambert <gavinl@compacsort.com>,
uClinux development list <uclinux-dev@uclinux.org>,
Philippe De Muyter <phdm@macqel.be>,
Linux/m68k <linux-m68k@lists.linux-m68k.org>,
linux-arch@vger.kernel.org
Subject: Re: Writable sys_call_table (was: Re: [uClinux-dev] [PATCH] m68k: Merge mmu and non-mmu versions of sys_call_table)
Date: Tue, 19 Apr 2011 15:25:45 +0200 [thread overview]
Message-ID: <m2fwpefk4m.fsf@igel.home> (raw)
In-Reply-To: <201104191416.35746.arnd@arndb.de> (Arnd Bergmann's message of "Tue, 19 Apr 2011 14:16:35 +0200")
Arnd Bergmann <arnd@arndb.de> writes:
> But it's not an array of pointers to function with signature
> void f(void).
It does not matter which kind of function pointer you use since all
function pointers are alike (unlike data pointers).
> It's an array of void pointers that we assign to function pointers of
> various types.
It is an array of function pointers. It is only void * because that
suppresses a warning (it is only accessed through assembly, so any type
the size of a pointer would do).
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2011-04-19 13:25 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-13 18:05 Writable sys_call_table (was: Re: [uClinux-dev] [PATCH] m68k: Merge mmu and non-mmu versions of sys_call_table) Geert Uytterhoeven
2011-04-18 14:49 ` Arnd Bergmann
2011-04-18 16:21 ` Andreas Schwab
2011-04-19 7:48 ` Arnd Bergmann
2011-04-19 8:12 ` Finn Thain
2011-04-19 11:54 ` Andreas Schwab
2011-04-19 11:54 ` Andreas Schwab
2011-04-19 12:16 ` Arnd Bergmann
2011-04-19 13:25 ` Andreas Schwab
2011-04-19 13:25 ` Andreas Schwab [this message]
2011-04-19 15:31 ` Finn Thain
2011-04-19 15:31 ` Finn Thain
-- strict thread matches above, loose matches on Subject: below --
2011-04-13 18:05 Geert Uytterhoeven
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