The list of exceptions in kernel tree was out of date. Convert
the long list of if clauses to a hashes which is more efficient
and more common in perl.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>

--- a/scripts/namespace.pl	2010-09-28 09:28:52.251563058 +0900
+++ b/scripts/namespace.pl	2010-09-28 15:13:38.092073114 +0900
@@ -84,6 +84,58 @@ my %ksymtab = ();	# names that appear in
 my %ref = ();		# $ref{$name} exists if there is a true external reference to $name
 my %export = ();	# $export{$name} exists if there is an EXPORT_... of $name
 
+my %nmexception = (
+    'fs/ext3/bitmap'			=> 1,
+    'fs/ext4/bitmap'			=> 1,
+    'arch/x86/lib/thunk_32'		=> 1,
+    'arch/x86/lib/cmpxchg'		=> 1,
+    'arch/x86/vdso/vdso32/note'		=> 1,
+    'lib/irq_regs'			=> 1,
+    'usr/initramfs_data'		=> 1,
+    'drivers/scsi/aic94xx/aic94xx_dump'	=> 1,
+    'drivers/scsi/libsas/sas_dump'	=> 1,
+    'lib/dec_and_lock'			=> 1,
+    'drivers/ide/ide-probe-mini'	=> 1,
+    'usr/initramfs_data'		=> 1,
+    'drivers/acpi/acpia/exdump'		=> 1,
+    'drivers/acpi/acpia/rsdump'		=> 1,
+    'drivers/acpi/acpia/nsdumpdv'	=> 1,
+    'drivers/acpi/acpia/nsdump'		=> 1,
+    'arch/ia64/sn/kernel/sn2/io'	=> 1,
+    'arch/ia64/kernel/gate-data'	=> 1,
+    'security/capability'		=> 1,
+    'fs/ntfs/sysctl'			=> 1,
+    'fs/jfs/jfs_debug'			=> 1,
+);
+
+my %nameexception = (
+    'mod_use_count_'	 => 1,
+    '__initramfs_end'	=> 1,
+    '__initramfs_start'	=> 1,
+    '_einittext'	=> 1,
+    '_sinittext'	=> 1,
+    'kallsyms_names'	=> 1,
+    'kallsyms_num_syms'	=> 1,
+    'kallsyms_addresses'=> 1,
+    '__this_module'	=> 1,
+    '_etext'		=> 1,
+    '_edata'		=> 1,
+    '_end'		=> 1,
+    '__bss_start'	=> 1,
+    '_text'		=> 1,
+    '_stext'		=> 1,
+    '__gp'		=> 1,
+    'ia64_unw_start'	=> 1,
+    'ia64_unw_end'	=> 1,
+    '__init_begin'	=> 1,
+    '__init_end'	=> 1,
+    '__bss_stop'	=> 1,
+    '__nosave_begin'	=> 1,
+    '__nosave_end'	=> 1,
+    'pg0'		=> 1,
+);
+
+
 &find(\&linux_objects, '.');	# find the objects and do_nm on them
 &list_multiply_defined();
 &resolve_external_references();
@@ -272,27 +324,9 @@ sub do_nm
 	close($nmdata);
 
 	if ($#nmdata < 0) {
-		if (
-			$fullname ne "lib/brlock.o"
-			&& $fullname ne "lib/dec_and_lock.o"
-			&& $fullname ne "fs/xfs/xfs_macros.o"
-			&& $fullname ne "drivers/ide/ide-probe-mini.o"
-			&& $fullname ne "usr/initramfs_data.o"
-			&& $fullname ne "drivers/acpi/executer/exdump.o"
-			&& $fullname ne "drivers/acpi/resources/rsdump.o"
-			&& $fullname ne "drivers/acpi/namespace/nsdumpdv.o"
-			&& $fullname ne "drivers/acpi/namespace/nsdump.o"
-			&& $fullname ne "arch/ia64/sn/kernel/sn2/io.o"
-			&& $fullname ne "arch/ia64/kernel/gate-data.o"
-			&& $fullname ne "drivers/ieee1394/oui.o"
-			&& $fullname ne "security/capability.o"
-			&& $fullname ne "sound/core/wrappers.o"
-			&& $fullname ne "fs/ntfs/sysctl.o"
-			&& $fullname ne "fs/jfs/jfs_debug.o"
-		) {
-			printf "No nm data for $fullname\n";
-		}
-		return;
+	    printf "No nm data for $fullname\n"
+		unless $nmexception{$fullname};
+	    return;
 	}
 	$nmdata{$fullname} = \@nmdata;
 }
@@ -374,31 +408,7 @@ sub resolve_external_references
 						$ref{$name} = ""
 					}
 				}
-				elsif (    $name ne "mod_use_count_"
-					&& $name ne "__initramfs_end"
-					&& $name ne "__initramfs_start"
-					&& $name ne "_einittext"
-					&& $name ne "_sinittext"
-					&& $name ne "kallsyms_names"
-					&& $name ne "kallsyms_num_syms"
-					&& $name ne "kallsyms_addresses"
-					&& $name ne "__this_module"
-					&& $name ne "_etext"
-					&& $name ne "_edata"
-					&& $name ne "_end"
-					&& $name ne "__bss_start"
-					&& $name ne "_text"
-					&& $name ne "_stext"
-					&& $name ne "__gp"
-					&& $name ne "ia64_unw_start"
-					&& $name ne "ia64_unw_end"
-					&& $name ne "__init_begin"
-					&& $name ne "__init_end"
-					&& $name ne "__bss_stop"
-					&& $name ne "__nosave_begin"
-					&& $name ne "__nosave_end"
-					&& $name ne "pg0"
-					&& $name ne "__module_text_address"
+				elsif ( ! $nameexception{$name}
 					&& $name !~ /^__sched_text_/
 					&& $name !~ /^__start_/
 					&& $name !~ /^__end_/
@@ -409,7 +419,6 @@ sub resolve_external_references
 					&& $name !~ /^__.*per_cpu_end/
 					&& $name !~ /^__alt_instructions/
 					&& $name !~ /^__setup_/
-					&& $name !~ /^jiffies/
 					&& $name !~ /^__mod_timer/
 					&& $name !~ /^__mod_page_state/
 					&& $name !~ /^init_module/


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