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authorSentry <sentry@Sentry-Desktop-Fedora.local>2020-07-14 15:58:43 +0200
committerJan200101 <sentrycraft123@gmail.com>2020-12-05 19:40:07 +0100
commit391fe055c943e33e9c191dbeeb21995c0d54ccd9 (patch)
tree04bbfbe91a73cc0d47c2d70235c8ca365eaa9c3d /SOURCES/mod-extra.sh
downloadkernel-fsync-391fe055c943e33e9c191dbeeb21995c0d54ccd9.tar.gz
kernel-fsync-391fe055c943e33e9c191dbeeb21995c0d54ccd9.zip
kernel 5.7.8
Diffstat (limited to 'SOURCES/mod-extra.sh')
-rwxr-xr-xSOURCES/mod-extra.sh86
1 files changed, 86 insertions, 0 deletions
diff --git a/SOURCES/mod-extra.sh b/SOURCES/mod-extra.sh
new file mode 100755
index 0000000..7dc075b
--- /dev/null
+++ b/SOURCES/mod-extra.sh
@@ -0,0 +1,86 @@
+#! /bin/bash
+
+Dir=$1
+List=$2
+Dest="extra"
+
+# Destination was specified on the command line
+test -n "$3" && Dest="$3"
+
+pushd $Dir
+rm -rf modnames
+find . -name "*.ko" -type f > modnames
+# Look through all of the modules, and throw any that have a dependency in
+# our list into the list as well.
+rm -rf dep.list dep2.list
+rm -rf req.list req2.list
+touch dep.list req.list
+cp "$List" .
+
+# This variable needs to be exported because it is used in sub-script
+# executed by xargs
+export ListName=$(basename "$List")
+
+# NB: this loop runs 2000+ iterations. Try to be fast.
+NPROC=`nproc`
+[ -z "$NPROC" ] && NPROC=1
+cat modnames | xargs -r -n1 -P $NPROC sh -c '
+ dep=$1
+ depends=`modinfo $dep | sed -n -e "/^depends/ s/^depends:[ \t]*//p"`
+ [ -z "$depends" ] && exit
+ for mod in ${depends//,/ }
+ do
+ match=$(grep "^$mod.ko" "$ListName")
+ [ -z "$match" ] && continue
+ # check if the module we are looking at is in mod-extra too.
+ # if so we do not need to mark the dep as required.
+ mod2=${dep##*/} # same as `basename $dep`, but faster
+ match2=$(grep "^$mod2" "$ListName")
+ if [ -n "$match2" ]
+ then
+ #echo $mod2 >> notreq.list
+ continue
+ fi
+ echo $mod.ko >> req.list
+ done
+' DUMMYARG0 # xargs appends MODNAME, which becomes $dep in the script above
+
+sort -u req.list > req2.list
+sort -u "$ListName" > modules2.list
+join -v 1 modules2.list req2.list > modules3.list
+
+for mod in $(cat modules3.list)
+do
+ # get the path for the module
+ modpath=`grep /$mod modnames`
+ [ -z "$modpath" ] && continue
+ echo $modpath >> dep.list
+done
+
+sort -u dep.list > dep2.list
+
+# now move the modules into the extra/ directory
+for mod in `cat dep2.list`
+do
+ newpath=`dirname $mod | sed -e "s/kernel\\//$Dest\//"`
+ mkdir -p $newpath
+ mv $mod $newpath
+done
+
+popd
+
+# If we're signing modules, we can't leave the .mod files for the .ko files
+# we've moved in .tmp_versions/. Remove them so the Kbuild 'modules_sign'
+# target doesn't try to sign a non-existent file. This is kinda ugly, but
+# so is modules-extra.
+
+for mod in `cat ${Dir}/dep2.list`
+do
+ modfile=`basename $mod | sed -e 's/.ko/.mod/'`
+ rm .tmp_versions/$modfile
+done
+
+pushd $Dir
+rm modnames dep.list dep2.list req.list req2.list
+rm "$ListName" modules2.list modules3.list
+popd