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authorRusty Russell <rusty@rustcorp.com.au>2013-03-15 15:04:17 +1030
committerRusty Russell <rusty@rustcorp.com.au>2013-03-15 15:09:43 +1030
commitb92021b09df70c1609e3547f3d6128dd560be97f (patch)
tree0203752a738c71718f5141b84f5143d1dc8b431d /arch/h8300
parent4febd95a8a85dd38b1a71fcf9726e19c7fd20039 (diff)
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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)
Diffstat (limited to 'arch/h8300')
-rw-r--r--arch/h8300/Kconfig5
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
index 79250de1b12a..303e4f9a79d1 100644
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@@ -12,10 +12,7 @@ config H8300
select MODULES_USE_ELF_RELA
select OLD_SIGSUSPEND3
select OLD_SIGACTION
-
-config SYMBOL_PREFIX
- string
- default "_"
+ select HAVE_UNDERSCORE_SYMBOL_PREFIX
config MMU
bool