mirror of
https://github.com/SCST-project/scst.git
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5c6a0c9e17
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1856 d57e44dd-8a1f-0410-8b47-8ef2f437770f
608 lines
20 KiB
Bash
Executable File
608 lines
20 KiB
Bash
Executable File
#!/bin/bash
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############################################################################
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#
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# Script for running those SCST regression tests that can be run automatically.
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#
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# Copyright (C) 2008-2009 Bart Van Assche <bart.vanassche@gmail.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation, version 2
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# of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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############################################################################
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############################################################################
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# This script performs the following actions:
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# - Creates a temporary directory for storing the output of the regression
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# tests. No existing files are modified by this script.
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# - Verifies whether the top-level *.patch files apply cleanly to the SCST
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# tree.
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# - Duplicates the entire source tree to the temporary directory and
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# compiles the SCST source code.
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# - Duplicates the entire source tree to the temporary directory, runs
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# 'make debug2release' and again compiles the SCST source code.
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# - Checks whether the specified kernel version is present
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# in the directory specified through option -c.
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# - If the source code of the specified kernel version is not present,
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# download it.
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# - Convert the SCST source code into a kernel patch.
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# - Extract the kernel sources.
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# - Run checkpatch on the SCST kernel patch.
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# - Apply the SCST kernel patch to the kernel tree.
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# - Run 'make allmodconfig'.
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# - Run the sparse source code checker on the SCST directory.
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# - Run 'make headers_check'.
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# - Compile the kernel tree.
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# - Run 'make checkstack'.
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# - Run 'make namespacecheck'.
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# - Run 'make htmldocs'.
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#
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# Note: the results of the individual steps are not verified by this script
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# -- the output generated by the individual steps has to be verified by
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# reviewing the output files written into the temporary directory.
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############################################################################
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########################
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# Function definitions #
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########################
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function usage {
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echo "Usage: $0 [-c <dir>] [-d <dir>] [-f] [-h] [-j <jobs>] [-q] <kver1> <kver2> ..."
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echo " -c - cache directory for Linux kernel tarballs."
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echo " -d - directory for temporary regression test files."
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echo " -h - display this help information."
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echo " -j - number of jobs that 'make' should run simultaneously."
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echo " -k - remove temporary files before exiting."
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echo " -q - download kernel sources silently."
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echo " <kver1> <kver2> ... - kernel versions to test."
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}
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# First three components of the kernel version number.
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function kernel_version {
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echo "$1" | sed -n 's/^\([0-9]*\.[0-9]*\.[0-9]*\).*$/\1/p'
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}
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# Last component of the kernel version, or the empty string if $1 has only
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# three components.
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function patchlevel {
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echo "$1" | sed -n 's/^\([0-9]*\.[0-9]*\.[0-9]*\)[.-]\(.*\)$/\2/p'
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}
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# Create a linux-$1 tree in the current directory, where $1 is a kernel
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# version number with either three or four components.
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function extract_kernel_tree {
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local kver="$(kernel_version $1)"
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local plevel="$(patchlevel $1)"
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local tmpdir=kernel-tree-tmp-$$
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rm -rf "linux-$1" "${tmpdir}"
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mkdir "${tmpdir}" || return $?
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(
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cd "${tmpdir}" || return $?
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tar xjf "${kernel_sources}/linux-${kver}.tar.bz2" || return $?
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cd "linux-${kver}" || return $?
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if [ "${plevel}" != "" ]; then
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bzip2 -cd "${kernel_sources}/patch-$1.bz2" \
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| patch -p1 -f -s || return $?
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fi
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cd ..
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mv "linux-${kver}" "../linux-$1" || return $?
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if [ "$1" = "2.6.29" -o "$1" = "2.6.29.1" -o "$1" = "2.6.29.2" -o "$1" = "2.6.29.3" ]
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then
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cd "../linux-$1" || return $?
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patch -f -s -p1 <<'EOF'
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Make sure that branch profiling does not trigger sparse warnings.
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See also http://bugzilla.kernel.org/show_bug.cgi?id=12925
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---
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See also http://lkml.org/lkml/2009/4/5/120
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--- orig/linux-2.6.29/include/linux/compiler.h 2009-03-23 19:12:14.000000000 -0400
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+++ linux-2.6.29/include/linux/compiler.h 2009-03-24 08:46:46.000000000 -0400
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@@ -75,7 +75,8 @@ struct ftrace_branch_data {
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* Note: DISABLE_BRANCH_PROFILING can be used by special lowlevel code
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* to disable branch tracing on a per file basis.
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*/
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-#if defined(CONFIG_TRACE_BRANCH_PROFILING) && !defined(DISABLE_BRANCH_PROFILING)
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+#if defined(CONFIG_TRACE_BRANCH_PROFILING) \
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+ && !defined(DISABLE_BRANCH_PROFILING) && !defined(__CHECKER__)
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void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
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#define likely_notrace(x) __builtin_expect(!!(x), 1)
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EOF
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fi
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if [ "$1" = "2.6.31" -o "${1#2.6.31.}" != "$1" ]
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then
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cd "../linux-$1" || return $?
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patch -f -s -p1 <<'EOF'
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Checking a 2.6.31.1 kernel configured with allyesconfig/allmodconfig
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with sparse (make C=2) triggers a sparse warning on code that uses the
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kmemcheck_annotate_bitfield() macro. An example of such a warning:
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include/net/inet_sock.h:208:17: warning: do-while statement is not a compound statement
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Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
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Cc: Vegard Nossum <vegardno@ifi.uio.no>
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Cc: Andrew Morton <akpm@linux-foundation.org>
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---
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See also http://lkml.org/lkml/2009/9/26/51
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--- linux-2.6.31.1/include/linux/kmemcheck-orig.h 2009-09-26 13:53:44.000000000 +0200
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+++ linux-2.6.31.1/include/linux/kmemcheck.h 2009-09-26 13:53:56.000000000 +0200
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@@ -137,13 +137,13 @@ static inline void kmemcheck_mark_initia
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int name##_end[0];
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#define kmemcheck_annotate_bitfield(ptr, name) \
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- do if (ptr) { \
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+ do { if (ptr) { \
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int _n = (long) &((ptr)->name##_end) \
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- (long) &((ptr)->name##_begin); \
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BUILD_BUG_ON(_n < 0); \
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\
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kmemcheck_mark_initialized(&((ptr)->name##_begin), _n); \
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- } while (0)
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+ } } while (0)
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#define kmemcheck_annotate_variable(var) \
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do { \
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EOF
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fi
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)
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rmdir "${tmpdir}"
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}
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# Test whether the *.patch files in the SCST top-level directory apply cleanly
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# to the SCST tree. Does not modify any files nor produce any output files.
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function test_scst_tree_patches {
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local rc=0
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echo "Testing whether the SCST patches apply cleanly to the SCST tree ..."
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for p in *.patch srpt/patches/scst_increase_max_tgt_cmds.patch
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do
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if ! patch -p0 -f --dry-run -s <$p &>/dev/null; then
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echo "ERROR: patch $p does not apply cleanly."
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rc=1
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fi
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done
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if [ "${rc}" = 0 ]; then
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echo "OK"
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fi
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}
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# Copy the entire SCST source code tree from "$1" into the current directory.
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# Only copy those files which are administered by Subversion.
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function duplicate_scst_source_tree {
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if [ -e "$1/AskingQuestions" ]; then
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( cd "$1" && svn status -v | grep -v '^[D?]' | cut -c3- | awk '{print $4}' \
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| while read f; do [ ! -d "$f" ] && echo "$f"; done ) \
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| tar -C "$1" --files-from=- -c -f - | tar -x -f -
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else
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return 1
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fi
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}
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# Compile the unpatched SCST source code.
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function compile_scst_unpatched {
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local scst="$PWD"
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local outputfile="${outputdir}/compilation-output-unpatched.txt"
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local workingdirectory="${outputdir}/scst-unpatched"
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echo "Testing whether the SCST tree compiles fine ..."
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(
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if mkdir -p "${workingdirectory}" \
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&& cd "${workingdirectory}" \
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&& duplicate_scst_source_tree "${scst}" \
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&& (make -s clean \
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&& make -s scst iscsi-scst \
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&& if "${scst_local}" = "true" ; then make -C scst_local clean; fi \
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&& if "${scst_local}" = "true" ; then make -C scst_local -s ; fi \
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&& if "${mpt_scst}" = "true" ; then make -C mpt clean; fi \
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&& if "${mpt_scst}" = "true" ; then make -C mpt -s ; fi \
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&& make -C srpt -s clean \
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&& make -C srpt -s ) \
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&> "${outputfile}"
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then
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echo "OK"
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else
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echo "FAILED"
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fi
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)
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}
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# Test out-of-tree compilation agains the kernel header files in
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# /lib/modules/$(uname -r)/build.
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function compile_scst_patched {
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local scst="$PWD"
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local outputfile="${outputdir}/compilation-output-$1.txt"
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local workingdirectory="${outputdir}/scst-$1"
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echo "Testing whether the $1 SCST tree compiles fine ..."
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(
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if mkdir -p "${workingdirectory}" \
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&& cd "${workingdirectory}" \
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&& duplicate_scst_source_tree "${scst}" \
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&& make -s "$1" \
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&& (make -s clean \
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&& make -s scst iscsi-scst \
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&& if "${scst_local}" = "true" ; then make -C scst_local clean; fi \
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&& if "${scst_local}" = "true" ; then make -C scst_local -s ; fi \
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&& if "${mpt_scst}" = "true" ; then make -C mpt clean; fi \
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&& if "${mpt_scst}" = "true" ; then make -C mpt -s ; fi \
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&& make -C srpt -s clean \
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&& make -C srpt -s ) \
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&> "${outputfile}"
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then
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echo "OK"
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else
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echo "FAILED"
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fi
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)
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}
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# Download the file from URL $1 and save it in the current directory.
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function download_file {
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if [ ! -e "$(basename "$1")" ]; then
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if [ "${quiet_download}" = "false" ]; then
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echo "Downloading $1 ..."
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fi
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if ! wget -q -nc "$1"; then
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echo "Downloading $1 failed."
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return 1
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fi
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fi
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}
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# Make sure the kernel tarball and patch file are present in directory
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# ${kernel_sources}. Download any missing files from ${kernel_mirror}.
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function download_kernel {
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local kver="$(kernel_version $1)"
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local plevel="$(patchlevel $1)"
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mkdir -p "${kernel_sources}" || return $?
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test -w "${kernel_sources}" || return $?
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(
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cd "${kernel_sources}" || return $?
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download_file "${kernel_mirror}/linux-$(kernel_version $1).tar.bz2" \
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|| return $?
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if [ "${plevel}" != "" ]; then
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download_file "${kernel_mirror}/patch-$1.bz2" || return $?
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fi
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)
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}
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# Generate a kernel patch from the SCST source tree for kernel version $1
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# and with generate-kernel-patch options $2.
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function generate_kernel_patch {
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local scst_dir="${PWD}"
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local kver="$(kernel_version $1)"
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local patchfile="${outputdir}/scst-$1-kernel.patch"
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local patchfile_m="${outputdir}/scst-$1-kernel-matching-line-numbers.patch"
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SIGNED_OFF_BY="..." \
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scripts/generate-kernel-patch \
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$([ "${scst_local}" = "true" ] && echo "-l") \
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$([ "${mpt_scst}" = "true" ] && echo "-m") \
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$([ "${qla2x00t}" = "true" ] && echo "-q") \
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$2 $1 > "${patchfile}"
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SIGNED_OFF_BY="..." \
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scripts/generate-kernel-patch \
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-n \
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$([ "${scst_local}" = "true" ] && echo "-l") \
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$([ "${mpt_scst}" = "true" ] && echo "-m") \
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$([ "${qla2x00t}" = "true" ] && echo "-q") \
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$2 $1 > "${patchfile_m}"
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}
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# Run checkpatch on the generated kernel patch. Assumes that there is a
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# vanilla kernel tree present in directory "${outputdir}/linux-$1", and leaves
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# this kernel tree clean.
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function run_checkpatch {
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local kver="$(kernel_version $1)"
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local plevel="$(patchlevel $1)"
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local outputfile="${outputdir}/checkpatch-$1-output.txt"
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local patchfile="${outputdir}/scst-$1-kernel.patch"
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if [ -e "${outputdir}/linux-$1/scripts/checkpatch.pl" ]
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then
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echo "Running checkpatch on the SCST kernel patch ..."
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( cd "${outputdir}/linux-$1" \
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&& scripts/checkpatch.pl - < "${patchfile}" &> "${outputfile}")
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local errors=$(grep -c '^ERROR' "${outputfile}")
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local warnings=$(grep -c '^WARNING' "${outputfile}")
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echo "${errors} errors / ${warnings} warnings."
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grep -E '^WARNING|^ERROR' "${outputfile}" | sort | uniq -c
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else
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echo "Skipping checkpatch step for kernel $1."
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fi
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return 0
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}
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function patch_and_configure_kernel {
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local patchfile="${outputdir}/scst-$1-kernel-matching-line-numbers.patch"
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echo "Patching and configuring kernel ..."
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(
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cd "${outputdir}/linux-$1" \
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&& patch -p1 -f -s <"${patchfile}" \
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>"${outputdir}/patch-command-output-$1.txt" \
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&& make -s allmodconfig &>/dev/null
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)
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}
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# Patches and compiles a kernel tree. Assumes that there is a vanilla kernel
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# tree present in directory "${outputdir}/linux-$1".
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function compile_patched_kernel {
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local kver="$(kernel_version $1)"
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local plevel="$(patchlevel $1)"
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local outputfile="${outputdir}/kernel-$1-compilation-output.txt"
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echo "Compiling kernel $1 ..."
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(
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(
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cd "${outputdir}/linux-$1" \
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&& LC_ALL=C make -s -k bzImage modules
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)
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) &> "${outputfile}"
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echo "See also ${outputfile}."
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return 0
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}
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# Compile subdirectory $2 of the patched kernel tree linux-$1.
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function compile_kernel {
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local kver="$(kernel_version $1)"
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local plevel="$(patchlevel $1)"
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local outputfile="${outputdir}/compilation-$1-output.txt"
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local subdir="$2"
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echo "Compiling the patched kernel ..."
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(
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cd "${outputdir}/linux-$1" \
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&& make -s prepare \
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&& make -s scripts \
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&& LC_ALL=C make -k M="${subdir}"
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) &> "${outputfile}"
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local errors=$(grep -c ' error:' "${outputfile}")
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local warnings=$(grep -c ' warning:' "${outputfile}")
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echo "${errors} errors / ${warnings} warnings."
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cat "${outputfile}" | grep -E 'warning:|error:' | sort | uniq -c
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return 0
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}
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# Run the source code verification tool 'sparse' on the SCST code. Assumes that
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# there is a patched kernel tree present in directory "${outputdir}/linux-$1".
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# For more information about endianness annotations, see also
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# http://lwn.net/Articles/205624/.
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function run_sparse {
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local kver="$(kernel_version $1)"
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local plevel="$(patchlevel $1)"
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local outputfile="${outputdir}/sparse-$1-output.txt"
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local subdir="$2"
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echo "Running sparse on the patched kernel ..."
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(
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cd "${outputdir}/linux-$1" \
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&& make -s prepare \
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&& make -s scripts \
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&& LC_ALL=C make -k C=2 CF=-D__CHECK_ENDIAN__ M="${subdir}"
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) &> "${outputfile}"
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local errors=$(grep -c ' error:' "${outputfile}")
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local warnings=$(grep -c ' warning:' "${outputfile}")
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echo "${errors} errors / ${warnings} warnings."
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cat "${outputfile}" \
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| grep -E 'warning:|error:' \
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| sed -e 's/^[^ ]*:[^ ]*:[^ ]*: //' \
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-e "s/context imbalance in '[^']*':/context imbalance in <function>:/g" \
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-e "s/context problem in '[^']*': '[^']*'/context problem in <function>: <function>/g" \
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-e "s/function '[^']*'/function/g" \
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-e "s/symbol '[^']*'/symbol/g" \
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| sort \
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| uniq -c
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return 0
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}
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function run_checkstack {
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local kver="$(kernel_version $1)"
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local plevel="$(patchlevel $1)"
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local outputfile="${outputdir}/checkstack-$1-output.txt"
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echo "Running checkstack on the patched $1 kernel ..."
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(
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cd "${outputdir}/linux-$1" \
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&& make -s prepare \
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&& make -s scripts \
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&& LC_ALL=C make -k checkstack
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) &> "${outputfile}"
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echo "See also ${outputfile}."
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return 0
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}
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function run_namespacecheck {
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local kver="$(kernel_version $1)"
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local plevel="$(patchlevel $1)"
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local outputfile="${outputdir}/namespacecheck-$1-output.txt"
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echo "Running namespacecheck on the patched $1 kernel ..."
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(
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cd "${outputdir}/linux-$1" \
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&& make -s prepare \
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&& make -s scripts \
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&& LC_ALL=C make -k namespacecheck
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) &> "${outputfile}"
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echo "See also ${outputfile}."
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return 0
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}
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function run_headers_check {
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local kver="$(kernel_version $1)"
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local plevel="$(patchlevel $1)"
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local outputfile="${outputdir}/headers_check-$1-output.txt"
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echo "Running headers check on the patched $1 kernel ..."
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(
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cd "${outputdir}/linux-$1" \
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&& make -s prepare \
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&& make -s scripts \
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&& LC_ALL=C make -k headers_check
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) &> "${outputfile}"
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local errors=$(grep -c '^[^ ]' "${outputfile}")
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echo "${errors} errors."
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grep '^[^ ]' "${outputfile}" | sed 's/.*: //' | sort | uniq -c
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return 0
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}
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function run_make_htmldocs {
|
|
local kver="$(kernel_version $1)"
|
|
local plevel="$(patchlevel $1)"
|
|
local outputfile="${outputdir}/htmldocs-$1-output.txt"
|
|
|
|
echo "Generating HTML documentation for the patched $1 kernel ..."
|
|
(
|
|
cd "${outputdir}/linux-$1" \
|
|
&& make -s prepare \
|
|
&& make -s scripts \
|
|
&& LC_ALL=C make -k htmldocs
|
|
) &> "${outputfile}"
|
|
echo "See also ${outputfile}."
|
|
return 0
|
|
}
|
|
|
|
|
|
#########################
|
|
# Argument verification #
|
|
#########################
|
|
|
|
export LC_ALL=C
|
|
|
|
if [ ! -e scst -o ! -e iscsi-scst -o ! -e srpt ]; then
|
|
echo "Please run this script from inside the SCST subversion source tree."
|
|
exit 1
|
|
fi
|
|
|
|
# Where to store persistenly downloaded kernel tarballs and kernel patches.
|
|
kernel_sources="$HOME/software/downloads"
|
|
# URL for downloading kernel tarballs and kernel patches.
|
|
kernel_mirror="ftp://ftp.eu.kernel.org/pub/linux/kernel/v2.6"
|
|
kernel_versions=""
|
|
# Directory in which the regression test output files will be stored. Must be
|
|
# an absolute path.
|
|
outputdir="${PWD}/regression-test-output-$(date +%Y-%m-%d_%Hh%Mm%Ss)"
|
|
# Driver configuration.
|
|
mpt_scst="false"
|
|
qla2x00t="false"
|
|
remove_temporary_files_at_end="false"
|
|
scst_local="true"
|
|
quiet_download="false"
|
|
|
|
set -- $(/usr/bin/getopt "c:d:j:hkq" "$@")
|
|
while [ "$1" != "${1#-}" ]
|
|
do
|
|
case "$1" in
|
|
'-c') kernel_sources="$2"; shift; shift;;
|
|
'-d') outputdir="$2"; shift; shift;;
|
|
'-h') usage; exit 1;;
|
|
'-j') export MAKEFLAGS="-j$2"; shift; shift;;
|
|
'-k') remove_temporary_files_at_end="true"; shift;;
|
|
'-q') quiet_download="true"; shift;;
|
|
'--') shift;;
|
|
*) usage; exit 1;;
|
|
esac
|
|
done
|
|
|
|
kernel_versions="$*"
|
|
|
|
# RHEL 4.x / CentOS 4.x has a kernel based on version 2.6.9.
|
|
# RHEL 5.x / CentOS 5.x has a kernel based on version 2.6.18.
|
|
# Ubuntu 8.04 (Hardy Heron) has a kernel based on version 2.6.24.
|
|
# Ubuntu 8.10 (Intrepid Ibex) has a kernel based on version 2.6.27.
|
|
# openSUSE 11.0 has a kernel based on version 2.6.25.
|
|
# openSUSE 11.1 has a kernel based on version 2.6.27.
|
|
#kernel_versions="2.6.23.17 2.6.24.7 2.6.25.20 2.6.26.8 2.6.27.21 2.6.28.9 2.6.29.1"
|
|
|
|
if [ "${kernel_versions}" = "" ]; then
|
|
usage
|
|
exit 1
|
|
fi
|
|
|
|
|
|
####################
|
|
# Regression tests #
|
|
####################
|
|
|
|
if [ "$(type -p sparse)" = "" ]; then
|
|
echo "Error: sparse has not yet been installed."
|
|
echo "See also http://www.kernel.org/pub/software/devel/sparse/."
|
|
fi
|
|
|
|
if ! mkdir -p "${outputdir}"; then
|
|
if [ -e "${outputdir}" ]; then
|
|
echo "Error: directory ${outputdir} already exists."
|
|
else
|
|
echo "Error: could not create directory ${outputdir}."
|
|
fi
|
|
fi
|
|
|
|
test_scst_tree_patches || exit $?
|
|
compile_scst_unpatched || exit $?
|
|
compile_scst_patched debug2release || exit $?
|
|
compile_scst_patched debug2perf || exit $?
|
|
compile_scst_patched disable_proc || exit $?
|
|
|
|
first_iteration="true"
|
|
for kv in ${kernel_versions}
|
|
do
|
|
echo "=========================="
|
|
printf "= kernel %-15s =\n" "${kv}"
|
|
echo "=========================="
|
|
|
|
full_check="false"
|
|
generate_kernel_patch_options=""
|
|
run_checkpatch="true"
|
|
run_sparse="true"
|
|
while [ "${kv%-?}" != "${kv}" -o "${kv%-??}" != "${kv}" ]; do
|
|
kv_without_opt="${kv%-?}"
|
|
if [ "${kv_without_opt}" = "${kv}" ]; then
|
|
kv_without_opt="${kv%-??}"
|
|
fi
|
|
kopt="${kv#${kv_without_opt}}"
|
|
case "${kopt}" in
|
|
'-f') full_check="true";;
|
|
'-nc') run_checkpatch="false";;
|
|
'-ns') run_sparse="false";;
|
|
'-u') generate_kernel_patch_options="-u";;
|
|
*) echo "Error: unknown option ${kopt}."; exit 1;;
|
|
esac
|
|
kv="${kv_without_opt}"
|
|
done
|
|
k="${kv}"
|
|
|
|
download_kernel $k || continue
|
|
generate_kernel_patch $k "${generate_kernel_patch_options}" || continue
|
|
( cd "${outputdir}" && extract_kernel_tree $k ) || continue
|
|
if [ "${run_checkpatch}" = "true" ]; then
|
|
run_checkpatch $k
|
|
fi
|
|
patch_and_configure_kernel $k
|
|
if [ "${run_sparse}" = "true" ]; then
|
|
run_sparse $k drivers/scst
|
|
fi
|
|
compile_kernel $k drivers/scst
|
|
if [ "${full_check}" = "true" ]; then
|
|
run_headers_check $k
|
|
compile_patched_kernel $k
|
|
run_checkstack $k
|
|
run_namespacecheck $k
|
|
run_make_htmldocs $k
|
|
fi
|
|
if [ "${remove_temporary_files_at_end}" = "true" ]; then
|
|
rm -rf "${outputdir}"
|
|
mkdir -p "${outputdir}"
|
|
fi
|
|
done
|