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-rwxr-xr-xscripts/checkpatch.pl20
-rw-r--r--scripts/coccinelle/misc/ifaddr.cocci35
-rw-r--r--scripts/coccinelle/misc/noderef.cocci65
-rwxr-xr-xscripts/config11
-rw-r--r--scripts/kconfig/conf.c22
-rw-r--r--scripts/link-vmlinux.sh221
-rw-r--r--scripts/package/builddeb2
7 files changed, 365 insertions, 11 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index faea0ec612bf..e5bd60ff48e3 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2382,6 +2382,19 @@ sub process {
}
}
+ if ($line =~ /\bprintk\s*\(\s*KERN_([A-Z]+)/) {
+ my $orig = $1;
+ my $level = lc($orig);
+ $level = "warn" if ($level eq "warning");
+ WARN("PREFER_PR_LEVEL",
+ "Prefer pr_$level(... to printk(KERN_$1, ...\n" . $herecurr);
+ }
+
+ if ($line =~ /\bpr_warning\s*\(/) {
+ WARN("PREFER_PR_LEVEL",
+ "Prefer pr_warn(... to pr_warning(...\n" . $herecurr);
+ }
+
# function brace can't be on same line, except for #defines of do while,
# or if closed on same line
if (($line=~/$Type\s*$Ident\(.*\).*\s{/) and
@@ -2448,6 +2461,13 @@ sub process {
"space prohibited between function name and open parenthesis '('\n" . $herecurr);
}
}
+
+# check for whitespace before a non-naked semicolon
+ if ($line =~ /^\+.*\S\s+;/) {
+ CHK("SPACING",
+ "space prohibited before semicolon\n" . $herecurr);
+ }
+
# Check operator spacing.
if (!($line=~/\#\s*include/)) {
my $ops = qr{
diff --git a/scripts/coccinelle/misc/ifaddr.cocci b/scripts/coccinelle/misc/ifaddr.cocci
new file mode 100644
index 000000000000..3e4089a77000
--- /dev/null
+++ b/scripts/coccinelle/misc/ifaddr.cocci
@@ -0,0 +1,35 @@
+/// the address of a variable or field is non-zero is likely always to bo
+/// non-zero
+///
+// Confidence: High
+// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6. GPLv2.
+// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6. GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual org
+virtual report
+virtual context
+
+@r@
+expression x;
+statement S1,S2;
+position p;
+@@
+
+*if@p (&x)
+ S1 else S2
+
+@script:python depends on org@
+p << r.p;
+@@
+
+cocci.print_main("test of a variable/field address",p)
+
+@script:python depends on report@
+p << r.p;
+@@
+
+msg = "ERROR: test of a variable/field address"
+coccilib.report.print_report(p[0],msg)
diff --git a/scripts/coccinelle/misc/noderef.cocci b/scripts/coccinelle/misc/noderef.cocci
new file mode 100644
index 000000000000..c1707214e602
--- /dev/null
+++ b/scripts/coccinelle/misc/noderef.cocci
@@ -0,0 +1,65 @@
+/// sizeof when applied to a pointer typed expression gives the size of
+/// the pointer
+///
+// Confidence: High
+// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6. GPLv2.
+// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6. GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual org
+virtual report
+virtual context
+virtual patch
+
+@depends on patch@
+expression *x;
+expression f;
+type T;
+@@
+
+(
+x = <+... sizeof(
+- x
++ *x
+ ) ...+>
+|
+f(...,(T)(x),...,sizeof(
+- x
++ *x
+ ),...)
+|
+f(...,sizeof(x),...,(T)(
+- x
++ *x
+ ),...)
+)
+
+@r depends on !patch@
+expression *x;
+expression f;
+position p;
+type T;
+@@
+
+(
+*x = <+... sizeof@p(x) ...+>
+|
+*f(...,(T)(x),...,sizeof@p(x),...)
+|
+*f(...,sizeof@p(x),...,(T)(x),...)
+)
+
+@script:python depends on org@
+p << r.p;
+@@
+
+cocci.print_main("application of sizeof to pointer",p)
+
+@script:python depends on report@
+p << r.p;
+@@
+
+msg = "ERROR: application of sizeof to pointer"
+coccilib.report.print_report(p[0],msg)
diff --git a/scripts/config b/scripts/config
index a7c7c4b8e957..ed6653ef9702 100755
--- a/scripts/config
+++ b/scripts/config
@@ -107,7 +107,8 @@ while [ "$1" != "" ] ; do
;;
--set-str)
- set_var "CONFIG_$ARG" "CONFIG_$ARG=\"$1\""
+ # sed swallows one level of escaping, so we need double-escaping
+ set_var "CONFIG_$ARG" "CONFIG_$ARG=\"${1//\"/\\\\\"}\""
shift
;;
@@ -124,9 +125,11 @@ while [ "$1" != "" ] ; do
if [ $? != 0 ] ; then
echo undef
else
- V="${V/CONFIG_$ARG=/}"
- V="${V/\"/}"
- echo "$V"
+ V="${V/#CONFIG_$ARG=/}"
+ V="${V/#\"/}"
+ V="${V/%\"/}"
+ V="${V/\\\"/\"}"
+ echo "${V}"
fi
fi
;;
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index f208f900ed3a..0dc4a2c779b1 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -574,8 +574,15 @@ int main(int ac, char **av)
case alldefconfig:
case randconfig:
name = getenv("KCONFIG_ALLCONFIG");
- if (name && !stat(name, &tmpstat)) {
- conf_read_simple(name, S_DEF_USER);
+ if (!name)
+ break;
+ if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) {
+ if (conf_read_simple(name, S_DEF_USER)) {
+ fprintf(stderr,
+ _("*** Can't read seed configuration \"%s\"!\n"),
+ name);
+ exit(1);
+ }
break;
}
switch (input_mode) {
@@ -586,10 +593,13 @@ int main(int ac, char **av)
case randconfig: name = "allrandom.config"; break;
default: break;
}
- if (!stat(name, &tmpstat))
- conf_read_simple(name, S_DEF_USER);
- else if (!stat("all.config", &tmpstat))
- conf_read_simple("all.config", S_DEF_USER);
+ if (conf_read_simple(name, S_DEF_USER) &&
+ conf_read_simple("all.config", S_DEF_USER)) {
+ fprintf(stderr,
+ _("*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n"),
+ name);
+ exit(1);
+ }
break;
default:
break;
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
new file mode 100644
index 000000000000..cd9c6c6bb4c9
--- /dev/null
+++ b/scripts/link-vmlinux.sh
@@ -0,0 +1,221 @@
+#!/bin/sh
+#
+# link vmlinux
+#
+# vmlinux is linked from the objects selected by $(KBUILD_VMLINUX_INIT) and
+# $(KBUILD_VMLINUX_MAIN). Most are built-in.o files from top-level directories
+# in the kernel tree, others are specified in arch/$(ARCH)/Makefile.
+# Ordering when linking is important, and $(KBUILD_VMLINUX_INIT) must be first.
+#
+# vmlinux
+# ^
+# |
+# +-< $(KBUILD_VMLINUX_INIT)
+# | +--< init/version.o + more
+# |
+# +--< $(KBUILD_VMLINUX_MAIN)
+# | +--< drivers/built-in.o mm/built-in.o + more
+# |
+# +-< ${kallsymso} (see description in KALLSYMS section)
+#
+# vmlinux version (uname -v) cannot be updated during normal
+# descending-into-subdirs phase since we do not yet know if we need to
+# update vmlinux.
+# Therefore this step is delayed until just before final link of vmlinux.
+#
+# System.map is generated to document addresses of all kernel symbols
+
+# Error out on error
+set -e
+
+# Nice output in kbuild format
+# Will be supressed by "make -s"
+info()
+{
+ if [ "${quiet}" != "silent_" ]; then
+ printf " %-7s %s\n" ${1} ${2}
+ fi
+}
+
+# Link of vmlinux.o used for section mismatch analysis
+# ${1} output file
+modpost_link()
+{
+ ${LD} ${LDFLAGS} -r -o ${1} ${KBUILD_VMLINUX_INIT} \
+ --start-group ${KBUILD_VMLINUX_MAIN} --end-group
+}
+
+# Link of vmlinux
+# ${1} - optional extra .o files
+# ${2} - output file
+vmlinux_link()
+{
+ local lds="${objtree}/${KBUILD_LDS}"
+
+ if [ "${SRCARCH}" != "um" ]; then
+ ${LD} ${LDFLAGS} ${LDFLAGS_vmlinux} -o ${2} \
+ -T ${lds} ${KBUILD_VMLINUX_INIT} \
+ --start-group ${KBUILD_VMLINUX_MAIN} --end-group ${1}
+ else
+ ${CC} ${CFLAGS_vmlinux} -o ${2} \
+ -Wl,-T,${lds} ${KBUILD_VMLINUX_INIT} \
+ -Wl,--start-group \
+ ${KBUILD_VMLINUX_MAIN} \
+ -Wl,--end-group \
+ -lutil ${1}
+ rm -f linux
+ fi
+}
+
+
+# Create ${2} .o file with all symbols from the ${1} object file
+kallsyms()
+{
+ info KSYM ${2}
+ local kallsymopt;
+
+ if [ -n "${CONFIG_KALLSYMS_ALL}" ]; then
+ kallsymopt=--all-symbols
+ fi
+
+ local aflags="${KBUILD_AFLAGS} ${KBUILD_AFLAGS_KERNEL} \
+ ${NOSTDINC_FLAGS} ${LINUXINCLUDE} ${KBUILD_CPPFLAGS}"
+
+ ${NM} -n ${1} | \
+ scripts/kallsyms ${kallsymopt} | \
+ ${CC} ${aflags} -c -o ${2} -x assembler-with-cpp -
+}
+
+# Create map file with all symbols from ${1}
+# See mksymap for additional details
+mksysmap()
+{
+ ${CONFIG_SHELL} "${srctree}/scripts/mksysmap" ${1} ${2}
+}
+
+sortextable()
+{
+ ${objtree}/scripts/sortextable ${1}
+}
+
+# Delete output files in case of error
+trap cleanup SIGHUP SIGINT SIGQUIT SIGTERM ERR
+cleanup()
+{
+ rm -f .old_version
+ rm -f .tmp_System.map
+ rm -f .tmp_kallsyms*
+ rm -f .tmp_version
+ rm -f .tmp_vmlinux*
+ rm -f System.map
+ rm -f vmlinux
+ rm -f vmlinux.o
+}
+
+#
+#
+# Use "make V=1" to debug this script
+case "${KBUILD_VERBOSE}" in
+*1*)
+ set -x
+ ;;
+esac
+
+if [ "$1" = "clean" ]; then
+ cleanup
+ exit 0
+fi
+
+# We need access to CONFIG_ symbols
+. ./.config
+
+#link vmlinux.o
+info LD vmlinux.o
+modpost_link vmlinux.o
+
+# modpost vmlinux.o to check for section mismatches
+${MAKE} -f "${srctree}/scripts/Makefile.modpost" vmlinux.o
+
+# Update version
+info GEN .version
+if [ ! -r .version ]; then
+ rm -f .version;
+ echo 1 >.version;
+else
+ mv .version .old_version;
+ expr 0$(cat .old_version) + 1 >.version;
+fi;
+
+# final build of init/
+${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init
+
+kallsymso=""
+kallsyms_vmlinux=""
+if [ -n "${CONFIG_KALLSYMS}" ]; then
+
+ # kallsyms support
+ # Generate section listing all symbols and add it into vmlinux
+ # It's a three step process:
+ # 1) Link .tmp_vmlinux1 so it has all symbols and sections,
+ # but __kallsyms is empty.
+ # Running kallsyms on that gives us .tmp_kallsyms1.o with
+ # the right size
+ # 2) Link .tmp_vmlinux2 so it now has a __kallsyms section of
+ # the right size, but due to the added section, some
+ # addresses have shifted.
+ # From here, we generate a correct .tmp_kallsyms2.o
+ # 2a) We may use an extra pass as this has been necessary to
+ # woraround some alignment related bugs.
+ # KALLSYMS_EXTRA_PASS=1 is used to trigger this.
+ # 3) The correct ${kallsymso} is linked into the final vmlinux.
+ #
+ # a) Verify that the System.map from vmlinux matches the map from
+ # ${kallsymso}.
+
+ kallsymso=.tmp_kallsyms2.o
+ kallsyms_vmlinux=.tmp_vmlinux2
+
+ # step 1
+ vmlinux_link "" .tmp_vmlinux1
+ kallsyms .tmp_vmlinux1 .tmp_kallsyms1.o
+
+ # step 2
+ vmlinux_link .tmp_kallsyms1.o .tmp_vmlinux2
+ kallsyms .tmp_vmlinux2 .tmp_kallsyms2.o
+
+ # step 2a
+ if [ -n "${KALLSYMS_EXTRA_PASS}" ]; then
+ kallsymso=.tmp_kallsyms3.o
+ kallsyms_vmlinux=.tmp_vmlinux3
+
+ vmlinux_link .tmp_kallsyms2.o .tmp_vmlinux3
+
+ kallsyms .tmp_vmlinux3 .tmp_kallsyms3.o
+ fi
+fi
+
+info LD vmlinux
+vmlinux_link "${kallsymso}" vmlinux
+
+if [ -n "${CONFIG_BUILDTIME_EXTABLE_SORT}" ]; then
+ info SORTEX vmlinux
+ sortextable vmlinux
+fi
+
+info SYSMAP System.map
+mksysmap vmlinux System.map
+
+# step a (see comment above)
+if [ -n "${CONFIG_KALLSYMS}" ]; then
+ mksysmap ${kallsyms_vmlinux} .tmp_System.map
+
+ if ! cmp -s System.map .tmp_System.map; then
+ echo Inconsistent kallsyms data
+ echo echo Try "make KALLSYMS_EXTRA_PASS=1" as a workaround
+ cleanup
+ exit 1
+ fi
+fi
+
+# We made a new kernel - delete old version file
+rm -f .old_version
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index eee5f8ed2493..c95fdda58414 100644
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -245,7 +245,7 @@ fi
# Build header package
(cd $srctree; find . -name Makefile -o -name Kconfig\* -o -name \*.pl > "$objtree/debian/hdrsrcfiles")
(cd $srctree; find arch/$SRCARCH/include include scripts -type f >> "$objtree/debian/hdrsrcfiles")
-(cd $objtree; find .config Module.symvers include scripts -type f >> "$objtree/debian/hdrobjfiles")
+(cd $objtree; find arch/$SRCARCH/include .config Module.symvers include scripts -type f >> "$objtree/debian/hdrobjfiles")
destdir=$kernel_headers_dir/usr/src/linux-headers-$version
mkdir -p "$destdir"
(cd $srctree; tar -c -f - -T "$objtree/debian/hdrsrcfiles") | (cd $destdir; tar -xf -)
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