20 files changed, 613 insertions, 81 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index e5bd60ff48e3..913d6bdfdda3 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1600,13 +1600,17 @@ sub process {
 
 # Check signature styles
                 if (!$in_header_lines &&
-                    $line =~ /^(\s*)($signature_tags)(\s*)(.*)/) {
+                    $line =~ /^(\s*)([a-z0-9_-]+by:|$signature_tags)(\s*)(.*)/i) {
                         my $space_before = $1;
                         my $sign_off = $2;
                         my $space_after = $3;
                         my $email = $4;
                         my $ucfirst_sign_off = ucfirst(lc($sign_off));
 
+                        if ($sign_off !~ /$signature_tags/) {
+                                WARN("BAD_SIGN_OFF",
+                                     "Non-standard signature: $sign_off\n" . $herecurr);
+                        }
                         if (defined $space_before && $space_before ne "") {
                                 WARN("BAD_SIGN_OFF",
                                      "Do not use whitespace before $ucfirst_sign_off\n" . $herecurr);
@@ -1848,8 +1852,8 @@ sub process {
 
                         my $pos = pos_last_openparen($rest);
                         if ($pos >= 0) {
-                                $line =~ /^\+([ \t]*)/;
-                                my $newindent = $1;
+                                $line =~ /^(\+| )([ \t]*)/;
+                                my $newindent = $2;
 
                                 my $goodtabindent = $oldindent .
                                         "\t" x ($pos / 8) .
@@ -2984,6 +2988,45 @@ sub process {
                         }
                 }
 
+# do {} while (0) macro tests:
+# single-statement macros do not need to be enclosed in do while (0) loop,
+# macro should not end with a semicolon
+                if ($^V && $^V ge 5.10.0 &&
+                    $realfile !~ m@/vmlinux.lds.h$@ &&
+                    $line =~ /^.\s*\#\s*define\s+$Ident(\()?/) {
+                        my $ln = $linenr;
+                        my $cnt = $realcnt;
+                        my ($off, $dstat, $dcond, $rest);
+                        my $ctx = '';
+                        ($dstat, $dcond, $ln, $cnt, $off) =
+                                ctx_statement_block($linenr, $realcnt, 0);
+                        $ctx = $dstat;
+
+                        $dstat =~ s/\\\n.//g;
+
+                        if ($dstat =~ /^\+\s*#\s*define\s+$Ident\s*${balanced_parens}\s*do\s*{(.*)\s*}\s*while\s*\(\s*0\s*\)\s*([;\s]*)\s*$/) {
+                                my $stmts = $2;
+                                my $semis = $3;
+
+                                $ctx =~ s/\n*$//;
+                                my $cnt = statement_rawlines($ctx);
+                                my $herectx = $here . "\n";
+
+                                for (my $n = 0; $n < $cnt; $n++) {
+                                        $herectx .= raw_line($linenr, $n) . "\n";
+                                }
+
+                                if (($stmts =~ tr/;/;/) == 1) {
+                                        WARN("SINGLE_STATEMENT_DO_WHILE_MACRO",
+                                             "Single statement macros should not use a do {} while (0) loop\n" . "$herectx");
+                                }
+                                if (defined $semis && $semis ne "") {
+                                        WARN("DO_WHILE_MACRO_WITH_TRAILING_SEMICOLON",
+                                             "do {} while (0) macros should not be semicolon terminated\n" . "$herectx");
+                                }
+                        }
+                }
+
 # make sure symbols are always wrapped with VMLINUX_SYMBOL() ...
 # all assignments may have only one of the following with an assignment:
 #       .
@@ -3261,6 +3304,12 @@ sub process {
                              "sizeof(& should be avoided\n" . $herecurr);
                 }
 
+# check for sizeof without parenthesis
+                if ($line =~ /\bsizeof\s+((?:\*\s*|)$Lval|$Type(?:\s+$Lval|))/) {
+                        WARN("SIZEOF_PARENTHESIS",
+                             "sizeof $1 should be sizeof($1)\n" . $herecurr);
+                }
+
 # check for line continuations in quoted strings with odd counts of "
                 if ($rawline =~ /\\$/ && $rawline =~ tr/"/"/ % 2) {
                         WARN("LINE_CONTINUATIONS",
@@ -3309,6 +3358,22 @@ sub process {
                         }
                 }
 
+# check usleep_range arguments
+                if ($^V && $^V ge 5.10.0 &&
+                    defined $stat &&
+                    $stat =~ /^\+(?:.*?)\busleep_range\s*\(\s*($FuncArg)\s*,\s*($FuncArg)\s*\)/) {
+                        my $min = $1;
+                        my $max = $7;
+                        if ($min eq $max) {
+                                WARN("USLEEP_RANGE",
+                                     "usleep_range should not use min == max args; see Documentation/timers/timers-howto.txt\n" . "$here\n$stat\n");
+                        } elsif ($min =~ /^\d+$/ && $max =~ /^\d+$/ &&
+                                 $min > $max) {
+                                WARN("USLEEP_RANGE",
+                                     "usleep_range args reversed, use min then max; see Documentation/timers/timers-howto.txt\n" . "$here\n$stat\n");
+                        }
+                }
+
 # check for new externs in .c files.
                 if ($realfile =~ /\.c$/ && defined $stat &&
                     $stat =~ /^.\s*(?:extern\s+)?$Type\s+($Ident)(\s*)\(/s)
diff --git a/scripts/coccinelle/iterators/use_after_iter.cocci b/scripts/coccinelle/iterators/use_after_iter.cocci
new file mode 100644
index 000000000000..06284c57a951
--- /dev/null
+++ b/scripts/coccinelle/iterators/use_after_iter.cocci
@@ -0,0 +1,147 @@
+/// If list_for_each_entry, etc complete a traversal of the list, the iterator
+/// variable ends up pointing to an address at an offset from the list head,
+/// and not a meaningful structure.  Thus this value should not be used after
+/// the end of the iterator.
+//#False positives arise when there is a goto in the iterator and the
+//#reported reference is at the label of this goto.  Some flag tests
+//#may also cause a report to be a false positive.
+///
+// Confidence: Moderate
+// 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 context
+virtual org
+virtual report
+
+@r exists@
+identifier c,member;
+expression E,x;
+iterator name list_for_each_entry;
+iterator name list_for_each_entry_reverse;
+iterator name list_for_each_entry_continue;
+iterator name list_for_each_entry_continue_reverse;
+iterator name list_for_each_entry_from;
+iterator name list_for_each_entry_safe;
+iterator name list_for_each_entry_safe_continue;
+iterator name list_for_each_entry_safe_from;
+iterator name list_for_each_entry_safe_reverse;
+iterator name hlist_for_each_entry;
+iterator name hlist_for_each_entry_continue;
+iterator name hlist_for_each_entry_from;
+iterator name hlist_for_each_entry_safe;
+statement S;
+position p1,p2;
+@@
+
+(
+list_for_each_entry@p1(c,...,member) { ... when != break;
+                                 when forall
+                                 when strict
+}
+|
+list_for_each_entry_reverse@p1(c,...,member) { ... when != break;
+                                 when forall
+                                 when strict
+}
+|
+list_for_each_entry_continue@p1(c,...,member) { ... when != break;
+                                 when forall
+                                 when strict
+}
+|
+list_for_each_entry_continue_reverse@p1(c,...,member) { ... when != break;
+                                 when forall
+                                 when strict
+}
+|
+list_for_each_entry_from@p1(c,...,member) { ... when != break;
+                                 when forall
+                                 when strict
+}
+|
+list_for_each_entry_safe@p1(c,...,member) { ... when != break;
+                                 when forall
+                                 when strict
+}
+|
+list_for_each_entry_safe_continue@p1(c,...,member) { ... when != break;
+                                 when forall
+                                 when strict
+}
+|
+list_for_each_entry_safe_from@p1(c,...,member) { ... when != break;
+                                 when forall
+                                 when strict
+}
+|
+list_for_each_entry_safe_reverse@p1(c,...,member) { ... when != break;
+                                 when forall
+                                 when strict
+}
+)
+...
+(
+list_for_each_entry(c,...) S
+|
+list_for_each_entry_reverse(c,...) S
+|
+list_for_each_entry_continue(c,...) S
+|
+list_for_each_entry_continue_reverse(c,...) S
+|
+list_for_each_entry_from(c,...) S
+|
+list_for_each_entry_safe(c,...) S
+|
+list_for_each_entry_safe(x,c,...) S
+|
+list_for_each_entry_safe_continue(c,...) S
+|
+list_for_each_entry_safe_continue(x,c,...) S
+|
+list_for_each_entry_safe_from(c,...) S
+|
+list_for_each_entry_safe_from(x,c,...) S
+|
+list_for_each_entry_safe_reverse(c,...) S
+|
+list_for_each_entry_safe_reverse(x,c,...) S
+|
+hlist_for_each_entry(c,...) S
+|
+hlist_for_each_entry_continue(c,...) S
+|
+hlist_for_each_entry_from(c,...) S
+|
+hlist_for_each_entry_safe(c,...) S
+|
+list_remove_head(x,c,...)
+|
+sizeof(<+...c...+>)
+|
+&c->member
+|
+c = E
+|
+*c@p2
+)
+
+@script:python depends on org@
+p1 << r.p1;
+p2 << r.p2;
+@@
+
+cocci.print_main("invalid iterator index reference",p2)
+cocci.print_secs("iterator",p1)
+
+@script:python depends on report@
+p1 << r.p1;
+p2 << r.p2;
+@@
+
+msg = "ERROR: invalid reference to the index variable of the iterator on line %s" % (p1[0].line)
+coccilib.report.print_report(p2[0], msg)
diff --git a/scripts/coccinelle/misc/irqf_oneshot.cocci b/scripts/coccinelle/misc/irqf_oneshot.cocci
new file mode 100644
index 000000000000..6cfde94be0ef
--- /dev/null
+++ b/scripts/coccinelle/misc/irqf_oneshot.cocci
@@ -0,0 +1,65 @@
+/// Make sure threaded IRQs without a primary handler are always request with
+/// IRQF_ONESHOT
+///
+//
+// Confidence: Good
+// Comments:
+// Options: --no-includes
+
+virtual patch
+virtual context
+virtual org
+virtual report
+
+@r1@
+expression irq;
+expression thread_fn;
+expression flags;
+position p;
+@@
+request_threaded_irq@p(irq, NULL, thread_fn,
+(
+flags | IRQF_ONESHOT
+|
+IRQF_ONESHOT
+)
+, ...)
+
+@depends on patch@
+expression irq;
+expression thread_fn;
+expression flags;
+position p != r1.p;
+@@
+request_threaded_irq@p(irq, NULL, thread_fn,
+(
+-0
++IRQF_ONESHOT
+|
+-flags
++flags | IRQF_ONESHOT
+)
+, ...)
+
+@depends on context@
+position p != r1.p;
+@@
+*request_threaded_irq@p(...)
+
+@match depends on report || org@
+expression irq;
+position p != r1.p;
+@@
+request_threaded_irq@p(irq, NULL, ...)
+
+@script:python depends on org@
+p << match.p;
+@@
+msg = "ERROR: Threaded IRQ with no primary handler requested without IRQF_ONESHOT"
+coccilib.org.print_todo(p[0],msg)
+
+@script:python depends on report@
+p << match.p;
+@@
+msg = "ERROR: Threaded IRQ with no primary handler requested without IRQF_ONESHOT"
+coccilib.report.print_report(p[0],msg)
diff --git a/scripts/config b/scripts/config
index ed6653ef9702..ee355394f4ef 100755
--- a/scripts/config
+++ b/scripts/config
@@ -1,6 +1,9 @@
 #!/bin/bash
 # Manipulate options in a .config file from the command line
 
+# If no prefix forced, use the default CONFIG_
+CONFIG_="${CONFIG_-CONFIG_}"
+
 usage() {
         cat >&2 <<EOL
 Manipulate options in a .config file from the command line.
@@ -14,6 +17,7 @@ commands:
                              Set option to "string"
         --set-val option value
                              Set option to value
+        --undefine|-u option Undefine option
         --state|-s option    Print state of option (n,y,m,undef)
 
         --enable-after|-E beforeopt option
@@ -26,10 +30,17 @@ commands:
         commands can be repeated multiple times
 
 options:
-        --file .config file to change (default .config)
+        --file config-file   .config file to change (default .config)
+        --keep-case|-k       Keep next symbols' case (dont' upper-case it)
 
 config doesn't check the validity of the .config file. This is done at next
- make time.
+make time.
+
+By default, config will upper-case the given symbol. Use --keep-case to keep
+the case of all following symbols unchanged.
+
+config uses 'CONFIG_' as the default symbol prefix. Set the environment
+variable CONFIG_ to the prefix to use. Eg.: CONFIG_="FOO_" config ...
 EOL
         exit 1
 }
@@ -40,11 +51,13 @@ checkarg() {
                 usage
         fi
         case "$ARG" in
-        CONFIG_*)
-                ARG="${ARG/CONFIG_/}"
+        ${CONFIG_}*)
+                ARG="${ARG/${CONFIG_}/}"
                 ;;
         esac
-        ARG="`echo $ARG | tr a-z A-Z`"
+        if [ "$MUNGE_CASE" = "yes" ] ; then
+                ARG="`echo $ARG | tr a-z A-Z`"
+        fi
 }
 
 set_var() {
@@ -61,6 +74,12 @@ set_var() {
         fi
 }
 
+undef_var() {
+        local name=$1
+
+        sed -ri "/^($name=|# $name is not set)/d" "$FN"
+}
+
 if [ "$1" = "--file" ]; then
         FN="$2"
         if [ "$FN" = "" ] ; then
@@ -75,10 +94,16 @@ if [ "$1" = "" ] ; then
         usage
 fi
 
+MUNGE_CASE=yes
 while [ "$1" != "" ] ; do
         CMD="$1"
         shift
         case "$CMD" in
+        --keep-case|-k)
+                MUNGE_CASE=no
+                shift
+                continue
+                ;;
         --refresh)
                 ;;
         --*-after)
@@ -95,55 +120,58 @@ while [ "$1" != "" ] ; do
         esac
         case "$CMD" in
         --enable|-e)
-                set_var "CONFIG_$ARG" "CONFIG_$ARG=y"
+                set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=y"
                 ;;
 
         --disable|-d)
-                set_var "CONFIG_$ARG" "# CONFIG_$ARG is not set"
+                set_var "${CONFIG_}$ARG" "# ${CONFIG_}$ARG is not set"
                 ;;
 
         --module|-m)
-                set_var "CONFIG_$ARG" "CONFIG_$ARG=m"
+                set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=m"
                 ;;
 
         --set-str)
                 # sed swallows one level of escaping, so we need double-escaping
-                set_var "CONFIG_$ARG" "CONFIG_$ARG=\"${1//\"/\\\\\"}\""
+                set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=\"${1//\"/\\\\\"}\""
                 shift
                 ;;
 
         --set-val)
-                set_var "CONFIG_$ARG" "CONFIG_$ARG=$1"
+                set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=$1"
                 shift
                 ;;
+        --undefine|-u)
+                undef_var "${CONFIG_}$ARG"
+                ;;
 
         --state|-s)
-                if grep -q "# CONFIG_$ARG is not set" $FN ; then
+                if grep -q "# ${CONFIG_}$ARG is not set" $FN ; then
                         echo n
                 else
-                        V="$(grep "^CONFIG_$ARG=" $FN)"
+                        V="$(grep "^${CONFIG_}$ARG=" $FN)"
                         if [ $? != 0 ] ; then
                                 echo undef
                         else
-                                V="${V/#CONFIG_$ARG=/}"
+                                V="${V/#${CONFIG_}$ARG=/}"
                                 V="${V/#\"/}"
                                 V="${V/%\"/}"
-                                V="${V/\\\"/\"}"
+                                V="${V//\\\"/\"}"
                                 echo "${V}"
                         fi
                 fi
                 ;;
 
         --enable-after|-E)
-                set_var "CONFIG_$B" "CONFIG_$B=y" "CONFIG_$A"
+                set_var "${CONFIG_}$B" "${CONFIG_}$B=y" "${CONFIG_}$A"
                 ;;
 
         --disable-after|-D)
-                set_var "CONFIG_$B" "# CONFIG_$B is not set" "CONFIG_$A"
+                set_var "${CONFIG_}$B" "# ${CONFIG_}$B is not set" "${CONFIG_}$A"
                 ;;
 
         --module-after|-M)
-                set_var "CONFIG_$B" "CONFIG_$B=m" "CONFIG_$A"
+                set_var "${CONFIG_}$B" "${CONFIG_}$B=m" "${CONFIG_}$A"
                 ;;
 
         # undocumented because it ignores --file (fixme)
diff --git a/scripts/kconfig/.gitignore b/scripts/kconfig/.gitignore
index ee120d441565..be603c4fef62 100644
--- a/scripts/kconfig/.gitignore
+++ b/scripts/kconfig/.gitignore
@@ -7,7 +7,6 @@ config*
 *.tab.h
 zconf.hash.c
 *.moc
-lkc_defs.h
 gconf.glade.h
 *.pot
 *.mo
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 79662658fb91..77d53999ffb9 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -114,7 +114,7 @@ help:
         @echo  '  alldefconfig    - New config with all symbols set to default'
         @echo  '  randconfig      - New config with random answer to all options'
         @echo  '  listnewconfig   - List new options'
-        @echo  '  oldnoconfig     - Same as silentoldconfig but set new symbols to n (unset)'
+        @echo  '  oldnoconfig     - Same as silentoldconfig but sets new symbols to their default value'
 
 # lxdialog stuff
 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
@@ -234,12 +234,12 @@ $(obj)/.tmp_qtcheck:
                 if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
               done; \
               if [ -z "$$dir" ]; then \
-                echo "*"; \
-                echo "* Unable to find any QT installation. Please make sure that"; \
-                echo "* the QT4 or QT3 development package is correctly installed and"; \
-                echo "* either qmake can be found or install pkg-config or set"; \
-                echo "* the QTDIR environment variable to the correct location."; \
-                echo "*"; \
+                echo >&2 "*"; \
+                echo >&2 "* Unable to find any QT installation. Please make sure that"; \
+                echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \
+                echo >&2 "* either qmake can be found or install pkg-config or set"; \
+                echo >&2 "* the QTDIR environment variable to the correct location."; \
+                echo >&2 "*"; \
                 false; \
               fi; \
               libpath=$$dir/lib; lib=qt; osdir=""; \
@@ -260,8 +260,8 @@ $(obj)/.tmp_qtcheck:
         else \
           cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
           libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
-          binpath="\$$(shell pkg-config QtCore --variable=prefix)"; \
-          moc="$$binpath/bin/moc"; \
+          moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \
+          [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
         fi; \
         echo "KC_QT_CFLAGS=$$cflags" > $@; \
         echo "KC_QT_LIBS=$$libs" >> $@; \
@@ -279,17 +279,17 @@ $(obj)/.tmp_gtkcheck:
                 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then                  \
                         touch $@;                                                               \
                 else                                                                    \
-                        echo "*";                                                       \
-                        echo "* GTK+ is present but version >= 2.0.0 is required.";     \
-                        echo "*";                                                       \
+                        echo >&2 "*";                                                   \
+                        echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \
+                        echo >&2 "*";                                                   \
                         false;                                                          \
                 fi                                                                      \
         else                                                                            \
-                echo "*";                                                               \
-                echo "* Unable to find the GTK+ installation. Please make sure that";   \
-                echo "* the GTK+ 2.0 development package is correctly installed...";    \
-                echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0.";                 \
-                echo "*";                                                               \
+                echo >&2 "*";                                                           \
+                echo >&2 "* Unable to find the GTK+ installation. Please make sure that";       \
+                echo >&2 "* the GTK+ 2.0 development package is correctly installed...";        \
+                echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0.";             \
+                echo >&2 "*";                                                           \
                 false;                                                                  \
         fi
 endif
@@ -298,8 +298,11 @@ $(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
 
 $(obj)/qconf.o: $(obj)/qconf.moc
 
-$(obj)/%.moc: $(src)/%.h
-        $(KC_QT_MOC) -i $< -o $@
+quiet_cmd_moc = MOC     $@
+      cmd_moc = $(KC_QT_MOC) -i $< -o $@
+
+$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
+        $(call cmd,moc)
 
 # Extract gconf menu items for I18N support
 $(obj)/gconf.glade.h: $(obj)/gconf.glade
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 52577f052bc1..13ddf1126c2a 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -182,10 +182,66 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
         return 0;
 }
 
+#define LINE_GROWTH 16
+static int add_byte(int c, char **lineptr, size_t slen, size_t *n)
+{
+        char *nline;
+        size_t new_size = slen + 1;
+        if (new_size > *n) {
+                new_size += LINE_GROWTH - 1;
+                new_size *= 2;
+                nline = realloc(*lineptr, new_size);
+                if (!nline)
+                        return -1;
+
+                *lineptr = nline;
+                *n = new_size;
+        }
+
+        (*lineptr)[slen] = c;
+
+        return 0;
+}
+
+static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream)
+{
+        char *line = *lineptr;
+        size_t slen = 0;
+
+        for (;;) {
+                int c = getc(stream);
+
+                switch (c) {
+                case '\n':
+                        if (add_byte(c, &line, slen, n) < 0)
+                                goto e_out;
+                        slen++;
+                        /* fall through */
+                case EOF:
+                        if (add_byte('\0', &line, slen, n) < 0)
+                                goto e_out;
+                        *lineptr = line;
+                        if (slen == 0)
+                                return -1;
+                        return slen;
+                default:
+                        if (add_byte(c, &line, slen, n) < 0)
+                                goto e_out;
+                        slen++;
+                }
+        }
+
+e_out:
+        line[slen-1] = '\0';
+        *lineptr = line;
+        return -1;
+}
+
 int conf_read_simple(const char *name, int def)
 {
         FILE *in = NULL;
-        char line[1024];
+        char   *line = NULL;
+        size_t  line_asize = 0;
         char *p, *p2;
         struct symbol *sym;
         int i, def_flags;
@@ -247,7 +303,7 @@ load:
                 }
         }
 
-        while (fgets(line, sizeof(line), in)) {
+        while (compat_getline(&line, &line_asize, in) != -1) {
                 conf_lineno++;
                 sym = NULL;
                 if (line[0] == '#') {
@@ -335,6 +391,7 @@ setsym:
                         cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);
                 }
         }
+        free(line);
         fclose(in);
 
         if (modules_sym)
diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
index 82cc3a85e7f8..e3b12c010417 100644
--- a/scripts/kconfig/lxdialog/check-lxdialog.sh
+++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
@@ -4,7 +4,7 @@
 # What library to link
 ldflags()
 {
-        for ext in so a dylib ; do
+        for ext in so a dll.a dylib ; do
                 for lib in ncursesw ncurses curses ; do
                         $cc -print-file-name=lib${lib}.${ext} | grep -q /
                         if [ $? -eq 0 ]; then
@@ -19,12 +19,12 @@ ldflags()
 # Where is ncurses.h?
 ccflags()
 {
-        if [ -f /usr/include/ncurses/ncurses.h ]; then
+        if [ -f /usr/include/ncursesw/curses.h ]; then
+                echo '-I/usr/include/ncursesw -DCURSES_LOC="<ncursesw/curses.h>"'
+        elif [ -f /usr/include/ncurses/ncurses.h ]; then
                 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
         elif [ -f /usr/include/ncurses/curses.h ]; then
                 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"'
-        elif [ -f /usr/include/ncursesw/curses.h ]; then
-                echo '-I/usr/include/ncursesw -DCURSES_LOC="<ncursesw/curses.h>"'
         elif [ -f /usr/include/ncurses.h ]; then
                 echo '-DCURSES_LOC="<ncurses.h>"'
         else
diff --git a/scripts/kconfig/lxdialog/textbox.c b/scripts/kconfig/lxdialog/textbox.c
index 154c2dd245b7..4e5de60a0c0d 100644
--- a/scripts/kconfig/lxdialog/textbox.c
+++ b/scripts/kconfig/lxdialog/textbox.c
@@ -129,6 +129,7 @@ do_resize:
                 case 'e':
                 case 'X':
                 case 'x':
+                case 'q':
                         delwin(box);
                         delwin(dialog);
                         return 0;
@@ -190,6 +191,7 @@ do_resize:
                         break;
                 case 'B':       /* Previous page */
                 case 'b':
+                case 'u':
                 case KEY_PPAGE:
                         if (begin_reached)
                                 break;
@@ -214,6 +216,7 @@ do_resize:
                         break;
                 case KEY_NPAGE: /* Next page */
                 case ' ':
+                case 'd':
                         if (end_reached)
                                 break;
 
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index f606738d421d..f584a281bb4c 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -105,10 +105,10 @@ static const char mconf_readme[] = N_(
 "Text Box    (Help Window)\n"
 "--------\n"
 "o  Use the cursor keys to scroll up/down/left/right.  The VI editor\n"
-"   keys h,j,k,l function here as do <SPACE BAR> and <B> for those\n"
-"   who are familiar with less and lynx.\n"
+"   keys h,j,k,l function here as do <u>, <d>, <SPACE BAR> and <B> for \n"
+"   those who are familiar with less and lynx.\n"
 "\n"
-"o  Press <E>, <X>, <Enter> or <Esc><Esc> to exit.\n"
+"o  Press <E>, <X>, <q>, <Enter> or <Esc><Esc> to exit.\n"
 "\n"
 "\n"
 "Alternate Configuration Files\n"
diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c
index 8c0eb65978c9..1704a8562a5d 100644
--- a/scripts/kconfig/nconf.c
+++ b/scripts/kconfig/nconf.c
@@ -83,10 +83,10 @@ static const char nconf_readme[] = N_(
 "Text Box    (Help Window)\n"
 "--------\n"
 "o  Use the cursor keys to scroll up/down/left/right.  The VI editor\n"
-"   keys h,j,k,l function here as do <SPACE BAR> for those\n"
-"   who are familiar with less and lynx.\n"
+"   keys h,j,k,l function here as do <u>, <d> and <SPACE BAR> for\n"
+"   those who are familiar with less and lynx.\n"
 "\n"
-"o  Press <Enter>, <F1>, <F5>, <F7> or <Esc> to exit.\n"
+"o  Press <Enter>, <F1>, <F5>, <F9>, <q> or <Esc> to exit.\n"
 "\n"
 "\n"
 "Alternate Configuration Files\n"
@@ -1503,7 +1503,11 @@ int main(int ac, char **av)
         }
 
         notimeout(stdscr, FALSE);
+#if NCURSES_REENTRANT
+        set_escdelay(1);
+#else
         ESCDELAY = 1;
+#endif
 
         /* set btns menu */
         curses_menu = new_menu(curses_menu_items);
diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c
index 3b18dd839668..379003c7a2b4 100644
--- a/scripts/kconfig/nconf.gui.c
+++ b/scripts/kconfig/nconf.gui.c
@@ -604,9 +604,11 @@ void show_scroll_win(WINDOW *main_window,
                 switch (res) {
                 case KEY_NPAGE:
                 case ' ':
+                case 'd':
                         start_y += text_lines-2;
                         break;
                 case KEY_PPAGE:
+                case 'u':
                         start_y -= text_lines+2;
                         break;
                 case KEY_HOME:
@@ -632,10 +634,10 @@ void show_scroll_win(WINDOW *main_window,
                         start_x++;
                         break;
                 }
-                if (res == 10 || res == 27 || res == 'q'
-                    || res == KEY_F(F_BACK) || res == KEY_F(F_EXIT)) {
+                if (res == 10 || res == 27 || res == 'q' ||
+                        res == KEY_F(F_HELP) || res == KEY_F(F_BACK) ||
+                        res == KEY_F(F_EXIT))
                         break;
-                }
                 if (start_y < 0)
                         start_y = 0;
                 if (start_y >= total_lines-text_lines)
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index bccf07ddd0b6..2fbbbc1ddea0 100644
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -45,6 +45,16 @@
 use strict;
 use Getopt::Long;
 
+# set the environment variable LOCALMODCONFIG_DEBUG to get
+# debug output.
+my $debugprint = 0;
+$debugprint = 1 if (defined($ENV{LOCALMODCONFIG_DEBUG}));
+
+sub dprint {
+    return if (!$debugprint);
+    print STDERR @_;
+}
+
 my $config = ".config";
 
 my $uname = `uname -r`;
@@ -113,6 +123,10 @@ sub find_config {
 
 find_config;
 
+# Read in the entire config file into config_file
+my @config_file = <CIN>;
+close CIN;
+
 # Parse options
 my $localmodconfig = 0;
 my $localyesconfig = 0;
@@ -186,6 +200,7 @@ sub read_kconfig {
             $state = "NEW";
             $config = $2;
 
+            # Add depends for 'if' nesting
             for (my $i = 0; $i < $iflevel; $i++) {
                 if ($i) {
                     $depends{$config} .= " " . $ifdeps[$i];
@@ -204,10 +219,11 @@ sub read_kconfig {
 
         # Get the configs that select this config
         } elsif ($state ne "NONE" && /^\s*select\s+(\S+)/) {
-            if (defined($selects{$1})) {
-                $selects{$1} .= " " . $config;
+            my $conf = $1;
+            if (defined($selects{$conf})) {
+                $selects{$conf} .= " " . $config;
             } else {
-                $selects{$1} = $config;
+                $selects{$conf} = $config;
             }
 
         # configs without prompts must be selected
@@ -250,6 +266,7 @@ if ($kconfig) {
     read_kconfig($kconfig);
 }
 
+# Makefiles can use variables to define their dependencies
 sub convert_vars {
     my ($line, %vars) = @_;
 
@@ -293,6 +310,7 @@ foreach my $makefile (@makefiles) {
 
         my $objs;
 
+        # Convert variables in a line (could define configs)
         $_ = convert_vars($_, %make_vars);
 
         # collect objects after obj-$(CONFIG_FOO_BAR)
@@ -373,13 +391,15 @@ while (<LIN>) {
 close (LIN);
 
 # add to the configs hash all configs that are needed to enable
-# a loaded module.
+# a loaded module. This is a direct obj-${CONFIG_FOO} += bar.o
+# where we know we need bar.o so we add FOO to the list.
 my %configs;
 foreach my $module (keys(%modules)) {
     if (defined($objects{$module})) {
         my @arr = @{$objects{$module}};
         foreach my $conf (@arr) {
             $configs{$conf} = $module;
+            dprint "$conf added by direct ($module)\n";
         }
     } else {
         # Most likely, someone has a custom (binary?) module loaded.
@@ -387,9 +407,24 @@ foreach my $module (keys(%modules)) {
     }
 }
 
+# Read the current config, and see what is enabled. We want to
+# ignore configs that we would not enable anyway.
+
+my %orig_configs;
 my $valid = "A-Za-z_0-9";
+
+foreach my $line (@config_file) {
+    $_ = $line;
+
+    if (/(CONFIG_[$valid]*)=(m|y)/) {
+        $orig_configs{$1} = $2;
+    }
+}
+
 my $repeat = 1;
 
+my $depconfig;
+
 #
 # Note, we do not care about operands (like: &&, ||, !) we want to add any
 # config that is in the depend list of another config. This script does
@@ -398,7 +433,7 @@ my $repeat = 1;
 # to keep on. If A was on in the original config, B would not have been
 # and B would not be turned on by this script.
 #
-sub parse_config_dep_select
+sub parse_config_depends
 {
     my ($p) = @_;
 
@@ -409,10 +444,16 @@ sub parse_config_dep_select
 
             $p =~ s/^[^$valid]*[$valid]+//;
 
+            # We only need to process if the depend config is a module
+            if (!defined($orig_configs{$conf}) || !$orig_configs{conf} eq "m") {
+                next;
+            }
+
             if (!defined($configs{$conf})) {
                 # We must make sure that this config has its
                 # dependencies met.
                 $repeat = 1; # do again
+                dprint "$conf selected by depend $depconfig\n";
                 $configs{$conf} = 1;
             }
         } else {
@@ -421,31 +462,132 @@ sub parse_config_dep_select
     }
 }
 
-while ($repeat) {
-    $repeat = 0;
+# Select is treated a bit differently than depends. We call this
+# when a config has no prompt and requires another config to be
+# selected. We use to just select all configs that selected this
+# config, but found that that can balloon into enabling hundreds
+# of configs that we do not care about.
+#
+# The idea is we look at all the configs that select it. If one
+# is already in our list of configs to enable, then there's nothing
+# else to do. If there isn't, we pick the first config that was
+# enabled in the orignal config and use that.
+sub parse_config_selects
+{
+    my ($config, $p) = @_;
 
-    foreach my $config (keys %configs) {
-        $config =~ s/^CONFIG_//;
+    my $next_config;
+
+    while ($p =~ /[$valid]/) {
 
-        if (defined($depends{$config})) {
-            # This config has dependencies. Make sure they are also included
-            parse_config_dep_select $depends{$config};
+        if ($p =~ /^[^$valid]*([$valid]+)/) {
+            my $conf = "CONFIG_" . $1;
+
+            $p =~ s/^[^$valid]*[$valid]+//;
+
+            # Make sure that this config exists in the current .config file
+            if (!defined($orig_configs{$conf})) {
+                dprint "$conf not set for $config select\n";
+                next;
+            }
+
+            # Check if something other than a module selects this config
+            if (defined($orig_configs{$conf}) && $orig_configs{$conf} ne "m") {
+                dprint "$conf (non module) selects config, we are good\n";
+                # we are good with this
+                return;
+            }
+            if (defined($configs{$conf})) {
+                dprint "$conf selects $config so we are good\n";
+                # A set config selects this config, we are good
+                return;
+            }
+            # Set this config to be selected
+            if (!defined($next_config)) {
+                $next_config = $conf;
+            }
+        } else {
+            die "this should never happen";
         }
+    }
 
-        if (defined($prompts{$config}) || !defined($selects{$config})) {
-            next;
+    # If no possible config selected this, then something happened.
+    if (!defined($next_config)) {
+        print STDERR "WARNING: $config is required, but nothing in the\n";
+        print STDERR "  current config selects it.\n";
+        return;
+    }
+
+    # If we are here, then we found no config that is set and
+    # selects this config. Repeat.
+    $repeat = 1;
+    # Make this config need to be selected
+    $configs{$next_config} = 1;
+    dprint "$next_config selected by select $config\n";
+}
+
+my %process_selects;
+
+# loop through all configs, select their dependencies.
+sub loop_depend {
+    $repeat = 1;
+
+    while ($repeat) {
+        $repeat = 0;
+
+      forloop:
+        foreach my $config (keys %configs) {
+
+            # If this config is not a module, we do not need to process it
+            if (defined($orig_configs{$config}) && $orig_configs{$config} ne "m") {
+                next forloop;
+            }
+
+            $config =~ s/^CONFIG_//;
+            $depconfig = $config;
+
+            if (defined($depends{$config})) {
+                # This config has dependencies. Make sure they are also included
+                parse_config_depends $depends{$config};
+            }
+
+            # If the config has no prompt, then we need to check if a config
+            # that is enabled selected it. Or if we need to enable one.
+            if (!defined($prompts{$config}) && defined($selects{$config})) {
+                $process_selects{$config} = 1;
+            }
         }
+    }
+}
+
+sub loop_select {
+
+    foreach my $config (keys %process_selects) {
+        $config =~ s/^CONFIG_//;
+
+        dprint "Process select $config\n";
 
         # config has no prompt and must be selected.
-        parse_config_dep_select $selects{$config};
+        parse_config_selects $config, $selects{$config};
     }
 }
 
+while ($repeat) {
+    # Get the first set of configs and their dependencies.
+    loop_depend;
+
+    $repeat = 0;
+
+    # Now we need to see if we have to check selects;
+    loop_select;
+}           
+
 my %setconfigs;
 
 # Finally, read the .config file and turn off any module enabled that
 # we could not find a reason to keep enabled.
-while(<CIN>) {
+foreach my $line (@config_file) {
+    $_ = $line;
 
     if (/CONFIG_IKCONFIG/) {
         if (/# CONFIG_IKCONFIG is not set/) {
@@ -473,7 +615,6 @@ while(<CIN>) {
     }
     print;
 }
-close(CIN);
 
 # Integrity check, make sure all modules that we want enabled do
 # indeed have their configs set.
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index cd9c6c6bb4c9..4629038c9e5a 100644
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -210,8 +210,8 @@ 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
+                echo >&2 Inconsistent kallsyms data
+                echo >&2 echo Try "make KALLSYMS_EXTRA_PASS=1" as a workaround
                 cleanup
                 exit 1
         fi
diff --git a/scripts/mksysmap b/scripts/mksysmap
index 6e133a0bae7a..c1b6191ef879 100644
--- a/scripts/mksysmap
+++ b/scripts/mksysmap
@@ -16,7 +16,7 @@
 #   The second row specify the type of the symbol:
 #   A = Absolute
 #   B = Uninitialised data (.bss)
-#   C = Comon symbol
+#   C = Common symbol
 #   D = Initialised data
 #   G = Initialised data for small objects
 #   I = Indirect reference to another symbol
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 5759751a1f61..7ed6864ef65b 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -156,7 +156,7 @@ static void device_id_check(const char *modname, const char *device_id,
 }
 
 /* USB is special because the bcdDevice can be matched against a numeric range */
-/* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipN" */
+/* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipNinN" */
 static void do_usb_entry(struct usb_device_id *id,
                          unsigned int bcdDevice_initial, int bcdDevice_initial_digits,
                          unsigned char range_lo, unsigned char range_hi,
@@ -210,6 +210,9 @@ static void do_usb_entry(struct usb_device_id *id,
         ADD(alias, "ip",
             id->match_flags&USB_DEVICE_ID_MATCH_INT_PROTOCOL,
             id->bInterfaceProtocol);
+        ADD(alias, "in",
+            id->match_flags&USB_DEVICE_ID_MATCH_INT_NUMBER,
+            id->bInterfaceNumber);
 
         add_wildcard(alias);
         buf_printf(&mod->dev_table_buf,
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 0f84bb38eb0d..68e9f5ed0a6f 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -865,6 +865,11 @@ static void check_section(const char *modname, struct elf_info *elf,
 #define ALL_EXIT_TEXT_SECTIONS \
         ".exit.text$", ".devexit.text$", ".cpuexit.text$", ".memexit.text$"
 
+#define ALL_PCI_INIT_SECTIONS   \
+        ".pci_fixup_early$", ".pci_fixup_header$", ".pci_fixup_final$", \
+        ".pci_fixup_enable$", ".pci_fixup_resume$", \
+        ".pci_fixup_resume_early$", ".pci_fixup_suspend$"
+
 #define ALL_XXXINIT_SECTIONS DEV_INIT_SECTIONS, CPU_INIT_SECTIONS, \
         MEM_INIT_SECTIONS
 #define ALL_XXXEXIT_SECTIONS DEV_EXIT_SECTIONS, CPU_EXIT_SECTIONS, \
@@ -1027,6 +1032,12 @@ const struct sectioncheck sectioncheck[] = {
         .mismatch = ANY_EXIT_TO_ANY_INIT,
         .symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL },
 },
+{
+        .fromsec = { ALL_PCI_INIT_SECTIONS, NULL },
+        .tosec   = { INIT_SECTIONS, NULL },
+        .mismatch = ANY_INIT_TO_ANY_EXIT,
+        .symbol_white_list = { NULL },
+},
 /* Do not export init/exit functions or data */
 {
         .fromsec = { "__ksymtab*", NULL },
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index c95fdda58414..acb86507828a 100644
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -92,7 +92,7 @@ rm -rf "$tmpdir" "$fwdir" "$kernel_headers_dir" "$libc_headers_dir"
 mkdir -m 755 -p "$tmpdir/DEBIAN"
 mkdir -p  "$tmpdir/lib" "$tmpdir/boot" "$tmpdir/usr/share/doc/$packagename"
 mkdir -m 755 -p "$fwdir/DEBIAN"
-mkdir -p "$fwdir/lib" "$fwdir/usr/share/doc/$fwpackagename"
+mkdir -p "$fwdir/lib/firmware/$version/" "$fwdir/usr/share/doc/$fwpackagename"
 mkdir -m 755 -p "$libc_headers_dir/DEBIAN"
 mkdir -p "$libc_headers_dir/usr/share/doc/$libc_headers_packagename"
 mkdir -m 755 -p "$kernel_headers_dir/DEBIAN"
@@ -243,7 +243,7 @@ EOF
 fi
 
 # Build header package
-(cd $srctree; find . -name Makefile -o -name Kconfig\* -o -name \*.pl > "$objtree/debian/hdrsrcfiles")
+(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 $objtree; find arch/$SRCARCH/include .config Module.symvers include scripts -type f >> "$objtree/debian/hdrobjfiles")
 destdir=$kernel_headers_dir/usr/src/linux-headers-$version
@@ -267,7 +267,8 @@ EOF
 
 # Do we have firmware? Move it out of the way and build it into a package.
 if [ -e "$tmpdir/lib/firmware" ]; then
-        mv "$tmpdir/lib/firmware" "$fwdir/lib/"
+        mv "$tmpdir/lib/firmware"/* "$fwdir/lib/firmware/$version/"
+        rmdir "$tmpdir/lib/firmware"
 
         cat <<EOF >> debian/control
 
diff --git a/scripts/sortextable.c b/scripts/sortextable.c
index 1ca9ceb95eb6..6acf83449105 100644
--- a/scripts/sortextable.c
+++ b/scripts/sortextable.c
@@ -247,6 +247,7 @@ do_file(char const *const fname)
         case EM_X86_64:
                 custom_sort = sort_x86_table;
                 break;
+        case EM_S390:
         case EM_MIPS:
                 break;
         }  /* end switch */
diff --git a/scripts/tags.sh b/scripts/tags.sh
index cf7b12fee573..cff8faad73d1 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -153,7 +153,8 @@ exuberant()
         --regex-c++='/CLEARPAGEFLAG_NOOP\(([^,)]*).*/ClearPage\1/'      \
         --regex-c++='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/'  \
         --regex-c++='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \
-        --regex-c++='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/'
+        --regex-c++='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \
+        --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/'
 
         all_kconfigs | xargs $1 -a                              \
         --langdef=kconfig --language-force=kconfig              \
@@ -195,7 +196,8 @@ emacs()
         --regex='/CLEARPAGEFLAG_NOOP\(([^,)]*).*/ClearPage\1/'  \
         --regex='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/' \
         --regex='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \
-        --regex='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/'
+        --regex='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \
+        --regex='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/'
 
         all_kconfigs | xargs $1 -a                              \
         --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'