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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-20 18:25:12 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-20 18:25:12 (GMT) |
commit | a693c46e14c9fdadbcd68ddfa94a4f72495531a9 (patch) | |
tree | ae8cd363c78959159b3b897b13c2d78c6923d355 /tools/testing/selftests/rcutorture/bin/configinit.sh | |
parent | 6ffbe7d1fabddc768724656f159759cae7818cd9 (diff) | |
parent | 73a7ac2808fa52bdab1781646568b6f90c3d7034 (diff) | |
download | linux-a693c46e14c9fdadbcd68ddfa94a4f72495531a9.tar.xz |
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
- add RCU torture scripts/tooling
- static analysis improvements
- update RCU documentation
- miscellaneous fixes
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits)
rcu: Remove "extern" from function declarations in kernel/rcu/rcu.h
rcu: Remove "extern" from function declarations in include/linux/*rcu*.h
rcu/torture: Dynamically allocate SRCU output buffer to avoid overflow
rcu: Don't activate RCU core on NO_HZ_FULL CPUs
rcu: Warn on allegedly impossible rcu_read_unlock_special() from irq
rcu: Add an RCU_INITIALIZER for global RCU-protected pointers
rcu: Make rcu_assign_pointer's assignment volatile and type-safe
bonding: Use RCU_INIT_POINTER() for better overhead and for sparse
rcu: Add comment on evaluate-once properties of rcu_assign_pointer().
rcu: Provide better diagnostics for blocking in RCU callback functions
rcu: Improve SRCU's grace-period comments
rcu: Fix CONFIG_RCU_FANOUT_EXACT for odd fanout/leaf values
rcu: Fix coccinelle warnings
rcutorture: Stop tracking FSF's postal address
rcutorture: Move checkarg to functions.sh
rcutorture: Flag errors and warnings with color coding
rcutorture: Record results from repeated runs of the same test scenario
rcutorture: Test summary at end of run with less chattiness
rcutorture: Update comment in kvm.sh listing typical RCU trace events
rcutorture: Add tracing-enabled version of TREE08
...
Diffstat (limited to 'tools/testing/selftests/rcutorture/bin/configinit.sh')
-rwxr-xr-x | tools/testing/selftests/rcutorture/bin/configinit.sh | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/configinit.sh b/tools/testing/selftests/rcutorture/bin/configinit.sh new file mode 100755 index 0000000..a1be6e6 --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/configinit.sh @@ -0,0 +1,74 @@ +#!/bin/sh +# +# sh configinit.sh config-spec-file [ build output dir ] +# +# Create a .config file from the spec file. Run from the kernel source tree. +# Exits with 0 if all went well, with 1 if all went well but the config +# did not match, and some other number for other failures. +# +# The first argument is the .config specification file, which contains +# desired settings, for example, "CONFIG_NO_HZ=y". For best results, +# this should be a full pathname. +# +# The second argument is a optional path to a build output directory, +# for example, "O=/tmp/foo". If this argument is omitted, the .config +# file will be generated directly in the current directory. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2013 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +T=/tmp/configinit.sh.$$ +trap 'rm -rf $T' 0 +mkdir $T + +# Capture config spec file. + +c=$1 +buildloc=$2 +builddir= +if test -n $buildloc +then + if echo $buildloc | grep -q '^O=' + then + builddir=`echo $buildloc | sed -e 's/^O=//'` + if test ! -d $builddir + then + mkdir $builddir + fi + else + echo Bad build directory: \"$builddir\" + exit 2 + fi +fi + +sed -e 's/^\(CONFIG[0-9A-Z_]*\)=.*$/grep -v "^# \1" |/' < $c > $T/u.sh +sed -e 's/^\(CONFIG[0-9A-Z_]*=\).*$/grep -v \1 |/' < $c >> $T/u.sh +grep '^grep' < $T/u.sh > $T/upd.sh +echo "cat - $c" >> $T/upd.sh +make mrproper +make $buildloc distclean > $builddir/Make.distclean 2>&1 +make $buildloc defconfig > $builddir/Make.defconfig.out 2>&1 +mv $builddir/.config $builddir/.config.sav +sh $T/upd.sh < $builddir/.config.sav > $builddir/.config +cp $builddir/.config $builddir/.config.new +yes '' | make $buildloc oldconfig > $builddir/Make.modconfig.out 2>&1 + +# verify new config matches specification. +configcheck.sh $builddir/.config $c + +exit 0 |