x86/smpboot: Init apic mapping before usage
[cascardo/linux.git] / scripts / depmod.sh
index 2ae4817..122599b 100755 (executable)
@@ -2,16 +2,36 @@
 #
 # A depmod wrapper used by the toplevel Makefile
 
-if test $# -ne 2; then
-       echo "Usage: $0 /sbin/depmod <kernelrelease>" >&2
+if test $# -ne 3; then
+       echo "Usage: $0 /sbin/depmod <kernelrelease> <symbolprefix>" >&2
        exit 1
 fi
 DEPMOD=$1
 KERNELRELEASE=$2
+SYMBOL_PREFIX=$3
 
 if ! test -r System.map -a -x "$DEPMOD"; then
        exit 0
 fi
+
+# older versions of depmod don't support -P <symbol-prefix>
+# support was added in module-init-tools 3.13
+if test -n "$SYMBOL_PREFIX"; then
+       release=$("$DEPMOD" --version)
+       package=$(echo "$release" | cut -d' ' -f 1)
+       if test "$package" = "module-init-tools"; then
+               version=$(echo "$release" | cut -d' ' -f 2)
+               later=$(printf '%s\n' "$version" "3.13" | sort -V | tail -n 1)
+               if test "$later" != "$version"; then
+                       # module-init-tools < 3.13, drop the symbol prefix
+                       SYMBOL_PREFIX=""
+               fi
+       fi
+       if test -n "$SYMBOL_PREFIX"; then
+               SYMBOL_PREFIX="-P $SYMBOL_PREFIX"
+       fi
+fi
+
 # older versions of depmod require the version string to start with three
 # numbers, so we cheat with a symlink here
 depmod_hack_needed=true
@@ -34,7 +54,7 @@ set -- -ae -F System.map
 if test -n "$INSTALL_MOD_PATH"; then
        set -- "$@" -b "$INSTALL_MOD_PATH"
 fi
-"$DEPMOD" "$@" "$KERNELRELEASE"
+"$DEPMOD" "$@" "$KERNELRELEASE" $SYMBOL_PREFIX
 ret=$?
 
 if $depmod_hack_needed; then