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b92021b09d
linux-next/arch
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Rusty Russell b92021b09d CONFIG_SYMBOL_PREFIX: cleanup. 
We have CONFIG_SYMBOL_PREFIX, which three archs define to the string
"_".  But Al Viro broke this in "consolidate cond_syscall and
SYSCALL_ALIAS declarations" (in linux-next), and he's not the first to
do so.

Using CONFIG_SYMBOL_PREFIX is awkward, since we usually just want to
prefix it so something.  So various places define helpers which are
defined to nothing if CONFIG_SYMBOL_PREFIX isn't set:

1) include/asm-generic/unistd.h defines __SYMBOL_PREFIX.
2) include/asm-generic/vmlinux.lds.h defines VMLINUX_SYMBOL(sym)
3) include/linux/export.h defines MODULE_SYMBOL_PREFIX.
4) include/linux/kernel.h defines SYMBOL_PREFIX (which differs from #7)
5) kernel/modsign_certificate.S defines ASM_SYMBOL(sym)
6) scripts/modpost.c defines MODULE_SYMBOL_PREFIX
7) scripts/Makefile.lib defines SYMBOL_PREFIX on the commandline if
   CONFIG_SYMBOL_PREFIX is set, so that we have a non-string version
   for pasting.

(arch/h8300/include/asm/linkage.h defines SYMBOL_NAME(), too).

Let's solve this properly:
1) No more generic prefix, just CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX.
2) Make linux/export.h usable from asm.
3) Define VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR().
4) Make everyone use them.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Tested-by: James Hogan <james.hogan@imgtec.com> (metag)
2013-03-15 15:09:43 +10:30
..
alpha Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
arc ARC: split elf.h into uapi and export it for userspace 2013-02-27 20:00:26 +05:30
arm Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
arm64 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal 2013-03-02 08:34:06 -08:00
avr32 Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
blackfin CONFIG_SYMBOL_PREFIX: cleanup. 2013-03-15 15:09:43 +10:30
c6x Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-02-26 20:16:07 -08:00
cris Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
frv Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
h8300 CONFIG_SYMBOL_PREFIX: cleanup. 2013-03-15 15:09:43 +10:30
hexagon Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-02-26 20:16:07 -08:00
ia64 Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
m32r Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
m68k Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
metag CONFIG_SYMBOL_PREFIX: cleanup. 2013-03-15 15:09:43 +10:30
microblaze Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
mips Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
mn10300 Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
openrisc Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
parisc Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
powerpc Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
s390 Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
score Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
sh hlist: drop the node parameter from iterators 2013-02-27 19:10:24 -08:00
sparc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal 2013-03-02 08:34:06 -08:00
tile Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
um um: Use tty_port in SIGWINCH handler 2013-03-11 10:08:04 +01:00
unicore32 Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
x86 Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
xtensa Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
.gitignore
Kconfig CONFIG_SYMBOL_PREFIX: cleanup. 2013-03-15 15:09:43 +10:30