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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333#! /bin/sh# SPDX-License-Identifier: GPL-2.0# Script to apply kernel patches.# usage: patch-kernel [ sourcedir [ patchdir [ stopversion ] [ -acxx ] ] ]# The source directory defaults to /usr/src/linux, and the patch# directory defaults to the current directory.# e.g.# scripts/patch-kernel . ..# Update the kernel tree in the current directory using patches in the# directory above to the latest Linus kernel# scripts/patch-kernel . .. -ac# Get the latest Linux kernel and patch it with the latest ac patch# scripts/patch-kernel . .. 2.4.9# Gets standard kernel 2.4.9# scripts/patch-kernel . .. 2.4.9 -ac# Gets 2.4.9 with latest ac patches# scripts/patch-kernel . .. 2.4.9 -ac11# Gets 2.4.9 with ac patch ac11# Note: It uses the patches relative to the Linus kernels, not the# ac to ac relative patches## It determines the current kernel version from the top-level Makefile.# It then looks for patches for the next sublevel in the patch directory.# This is applied using "patch -p1 -s" from within the kernel directory.# A check is then made for "*.rej" files to see if the patch was# successful. If it is, then all of the "*.orig" files are removed.## Nick Holloway <Nick.Holloway@alfie.demon.co.uk>, 2nd January 1995.## Added support for handling multiple types of compression. What includes# gzip, bzip, bzip2, zip, compress, and plaintext.## Adam Sulmicki <adam@cfar.umd.edu>, 1st January 1997.## Added ability to stop at a given version number# Put the full version number (i.e. 2.3.31) as the last parameter# Dave Gilbert <linux@treblig.org>, 11th December 1999.
# Fixed previous patch so that if we are already at the correct version# not to patch up.## Added -ac option, use -ac or -ac9 (say) to stop at a particular version# Dave Gilbert <linux@treblig.org>, 29th September 2001.## Add support for (use of) EXTRAVERSION (to support 2.6.8.x, e.g.);# update usage message;# fix some whitespace damage;# be smarter about stopping when current version is larger than requested;# Randy Dunlap <rdunlap@xenotime.net>, 2004-AUG-18.## Add better support for (non-incremental) 2.6.x.y patches;# If an ending version number if not specified, the script automatically# increments the SUBLEVEL (x in 2.6.x.y) until no more patch files are found;# however, EXTRAVERSION (y in 2.6.x.y) is never automatically incremented# but must be specified fully.## patch-kernel does not normally support reverse patching, but does so when# applying EXTRAVERSION (x.y) patches, so that moving from 2.6.11.y to 2.6.11.z# is easy and handled by the script (reverse 2.6.11.y and apply 2.6.11.z).# Randy Dunlap <rdunlap@xenotime.net>, 2005-APR-08.
PNAME=patch-kernel
# Set directories from arguments, or use defaults.sourcedir=${1-/usr/src/linux}patchdir=${2-.}stopvers=${3-default}
if [ "$1" = -h -o "$1" = --help -o ! -r "$sourcedir/Makefile" ]; thencat << USAGEusage: $PNAME [-h] [ sourcedir [ patchdir [ stopversion ] [ -acxx ] ] ] source directory defaults to /usr/src/linux, patch directory defaults to the current directory, stopversion defaults to <all in patchdir>.USAGEexit 1fi
# See if we have any -ac optionsfor PARM in $*do case $PARM in -ac*) gotac=$PARM;
esac;done
# ---------------------------------------------------------------------------# arg1 is filenamenoFile () { echo "cannot find patch file: ${patch}" exit 1}
# ---------------------------------------------------------------------------backwards () { echo "$PNAME does not support reverse patching" exit 1}
# ---------------------------------------------------------------------------# Find a file, first parameter is basename of file# it tries many compression mechanisms and sets variables to say how to get itfindFile () { filebase=$1;
if [ -r ${filebase}.gz ]; then ext=".gz" name="gzip" uncomp="gunzip -dc" elif [ -r ${filebase}.bz ]; then ext=".bz" name="bzip" uncomp="bunzip -dc" elif [ -r ${filebase}.bz2 ]; then ext=".bz2" name="bzip2" uncomp="bunzip2 -dc" elif [ -r ${filebase}.xz ]; then ext=".xz" name="xz" uncomp="xz -dc" elif [ -r ${filebase}.zip ]; then ext=".zip" name="zip" uncomp="unzip -d" elif [ -r ${filebase}.Z ]; then ext=".Z" name="uncompress" uncomp="uncompress -c" elif [ -r ${filebase} ]; then ext="" name="plaintext" uncomp="cat" else return 1; fi
return 0;}
# ---------------------------------------------------------------------------# Apply a patch and check it goes in cleanly# First param is patch name (e.g. patch-2.4.9-ac5) - without path or extension
applyPatch () { echo -n "Applying $1 (${name})... " if $uncomp ${patchdir}/$1${ext} | patch -p1 -s -N -E -d $sourcedir then echo "done." else echo "failed. Clean up yourself." return 1; fi if [ "`find $sourcedir/ '(' -name '*.rej' -o -name '.*.rej' ')' -print`" ] then echo "Aborting. Reject files found." return 1; fi # Remove backup files find $sourcedir/ '(' -name '*.orig' -o -name '.*.orig' ')' -exec rm -f {} \;
return 0;}
# ---------------------------------------------------------------------------# arg1 is patch filenamereversePatch () { echo -n "Reversing $1 (${name}) ... " if $uncomp ${patchdir}/"$1"${ext} | patch -p1 -Rs -N -E -d $sourcedir then echo "done." else echo "failed. Clean it up." exit 1 fi if [ "`find $sourcedir/ '(' -name '*.rej' -o -name '.*.rej' ')' -print`" ] then echo "Aborting. Reject files found." return 1 fi # Remove backup files find $sourcedir/ '(' -name '*.orig' -o -name '.*.orig' ')' -exec rm -f {} \;
return 0}
# set current VERSION, PATCHLEVEL, SUBLEVEL, EXTRAVERSION# force $TMPFILEs below to be in local directory: a slash character prevents# the dot command from using the search path.TMPFILE=`mktemp ./.tmpver.XXXXXX` || { echo "cannot make temp file" ; exit 1; }grep -E "^(VERSION|PATCHLEVEL|SUBLEVEL|EXTRAVERSION)" $sourcedir/Makefile > $TMPFILEtr -d [:blank:] < $TMPFILE > $TMPFILE.1. $TMPFILE.1rm -f $TMPFILE*if [ -z "$VERSION" -o -z "$PATCHLEVEL" -o -z "$SUBLEVEL" ]then echo "unable to determine current kernel version" >&2 exit 1fi
NAME=`grep ^NAME $sourcedir/Makefile`NAME=${NAME##*=}
echo "Current kernel version is $VERSION.$PATCHLEVEL.$SUBLEVEL${EXTRAVERSION} ($NAME)"
# strip EXTRAVERSION to just a number (drop leading '.' and trailing additions)EXTRAVER=if [ x$EXTRAVERSION != "x" ]then EXTRAVER=${EXTRAVERSION#.} EXTRAVER=${EXTRAVER%%[[:punct:]]*} #echo "$PNAME: changing EXTRAVERSION from $EXTRAVERSION to $EXTRAVER"fi
#echo "stopvers=$stopvers"if [ $stopvers != "default" ]; then STOPSUBLEVEL=`echo $stopvers | cut -d. -f3` STOPEXTRA=`echo $stopvers | cut -d. -f4` STOPFULLVERSION=${stopvers%%.$STOPEXTRA} #echo "#___STOPSUBLEVEL=/$STOPSUBLEVEL/, STOPEXTRA=/$STOPEXTRA/"else STOPSUBLEVEL=9999 STOPEXTRA=9999fi
# This all assumes a 2.6.x[.y] kernel tree.# Don't allow backwards/reverse patching.if [ $STOPSUBLEVEL -lt $SUBLEVEL ]; then backwardsfi
if [ x$EXTRAVER != "x" ]; then CURRENTFULLVERSION="$VERSION.$PATCHLEVEL.$SUBLEVEL.$EXTRAVER"else CURRENTFULLVERSION="$VERSION.$PATCHLEVEL.$SUBLEVEL"fi
if [ x$EXTRAVER != "x" ]; then echo "backing up to: $VERSION.$PATCHLEVEL.$SUBLEVEL" patch="patch-${CURRENTFULLVERSION}" findFile $patchdir/${patch} || noFile ${patch} reversePatch ${patch} || exit 1fi
# now current is 2.6.x, with no EXTRA applied,# so update to target SUBLEVEL (2.6.SUBLEVEL)# and then to target EXTRAVER (2.6.SUB.EXTRAVER) if requested.# If not ending sublevel is specified, it is incremented until# no further sublevels are found.
if [ $STOPSUBLEVEL -gt $SUBLEVEL ]; thenwhile : # incrementing SUBLEVEL (s in v.p.s)do CURRENTFULLVERSION="$VERSION.$PATCHLEVEL.$SUBLEVEL" EXTRAVER= if [ x$STOPFULLVERSION = x$CURRENTFULLVERSION ]; then echo "Stopping at $CURRENTFULLVERSION base as requested." break fi
SUBLEVEL=$(($SUBLEVEL + 1)) FULLVERSION="$VERSION.$PATCHLEVEL.$SUBLEVEL" #echo "#___ trying $FULLVERSION ___"
if [ $(($SUBLEVEL)) -gt $(($STOPSUBLEVEL)) ]; then echo "Stopping since sublevel ($SUBLEVEL) is beyond stop-sublevel ($STOPSUBLEVEL)" exit 1 fi
patch=patch-$FULLVERSION # See if the file exists and find extension findFile $patchdir/${patch} || noFile ${patch}
# Apply the patch and check all is OK applyPatch $patch || breakdone#echo "#___sublevel all done"fi
# There is no incremental searching for extraversion...if [ "$STOPEXTRA" != "" ]; thenwhile : # just to allow breakdo# apply STOPEXTRA directly (not incrementally) (x in v.p.s.x) FULLVERSION="$VERSION.$PATCHLEVEL.$SUBLEVEL.$STOPEXTRA" #echo "#... trying $FULLVERSION ..." patch=patch-$FULLVERSION
# See if the file exists and find extension findFile $patchdir/${patch} || noFile ${patch}
# Apply the patch and check all is OK applyPatch $patch || break #echo "#___extraver all done" breakdonefi
if [ x$gotac != x ]; then # Out great user wants the -ac patches # They could have done -ac (get latest) or -acxx where xx=version they want if [ $gotac = "-ac" ]; then # They want the latest version HIGHESTPATCH=0 for PATCHNAMES in $patchdir/patch-${CURRENTFULLVERSION}-ac*\.* do ACVALUE=`echo $PATCHNAMES | sed -e 's/^.*patch-[0-9.]*-ac\([0-9]*\).*/\1/'` # Check it is actually a recognised patch type findFile $patchdir/patch-${CURRENTFULLVERSION}-ac${ACVALUE} || break
if [ $ACVALUE -gt $HIGHESTPATCH ]; then HIGHESTPATCH=$ACVALUE fi done
if [ $HIGHESTPATCH -ne 0 ]; then findFile $patchdir/patch-${CURRENTFULLVERSION}-ac${HIGHESTPATCH} || break applyPatch patch-${CURRENTFULLVERSION}-ac${HIGHESTPATCH} else echo "No -ac patches found" fi else # They want an exact version findFile $patchdir/patch-${CURRENTFULLVERSION}${gotac} || { echo "Sorry, I couldn't find the $gotac patch for $CURRENTFULLVERSION. Hohum." exit 1 } applyPatch patch-${CURRENTFULLVERSION}${gotac} fifi