Merge branch 'tracing/urgent' into tracing/core

Merge reason: Pick up fixes and move base from -rc1 to -rc5.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

scripts/Kbuild.include

@@ -100,7 +100,7 @@ as-option = $(call try-run,\
 # Usage: cflags-y += $(call as-instr,instr,option1,option2)
 
 as-instr = $(call try-run,\
-	echo -e "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -xassembler -o "$$TMP" -,$(2),$(3))
+	/bin/echo -e "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -xassembler -o "$$TMP" -,$(2),$(3))
 
 # cc-option
 # Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)

scripts/Makefile.lib

@@ -208,7 +208,7 @@ cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -f -9 > $@) || \
 
 # Bzip2 and LZMA do not include size in file... so we have to fake that;
 # append the size as a 32-bit littleendian number as gzip does.
-size_append = echo -ne $(shell						\
+size_append = /bin/echo -ne $(shell					\
 dec_size=0;								\
 for F in $1; do								\
 	fsize=$$(stat -c "%s" $$F);					\

scripts/checkkconfigsymbols.sh

@@ -9,7 +9,7 @@ paths="$@"
 # Doing this once at the beginning saves a lot of time, on a cache-hot tree.
 Kconfigs="`find . -name 'Kconfig' -o -name 'Kconfig*[^~]'`"
 
-echo -e "File list \tundefined symbol used"
+/bin/echo -e "File list \tundefined symbol used"
 find $paths -name '*.[chS]' -o -name 'Makefile' -o -name 'Makefile*[^~]'| while read i
 do
 	# Output the bare Kconfig variable and the filename; the _MODULE part at
@@ -54,6 +54,6 @@ while read symb files; do
 	# beyond the purpose of this script.
 	symb_bare=`echo $symb | sed -e 's/_MODULE//'`
 	if ! grep -q "\<$symb_bare\>" $Kconfigs; then
-		echo -e "$files: \t$symb"
+		/bin/echo -e "$files: \t$symb"
 	fi
 done|sort

scripts/headers_install.pl

@@ -20,7 +20,7 @@ use strict;
 
 my ($readdir, $installdir, $arch, @files) = @ARGV;
 
-my $unifdef = "scripts/unifdef -U__KERNEL__";
+my $unifdef = "scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__";
 
 foreach my $file (@files) {
 	local *INFILE;

scripts/mkcompile_h

@@ -1,3 +1,5 @@
+#!/bin/sh
+
 TARGET=$1
 ARCH=$2
 SMP=$3
@@ -50,7 +52,7 @@ UTS_VERSION="$UTS_VERSION $CONFIG_FLAGS $TIMESTAMP"
 # Truncate to maximum length
 
 UTS_LEN=64
-UTS_TRUNCATE="sed -e s/\(.\{1,$UTS_LEN\}\).*/\1/"
+UTS_TRUNCATE="cut -b -$UTS_LEN"
 
 # Generate a temporary compile.h
 
@@ -66,9 +68,13 @@ UTS_TRUNCATE="sed -e s/\(.\{1,$UTS_LEN\}\).*/\1/"
   echo \#define LINUX_COMPILE_HOST \"`hostname | $UTS_TRUNCATE`\"
 
   if [ -x /bin/dnsdomainname ]; then
-    echo \#define LINUX_COMPILE_DOMAIN \"`dnsdomainname | $UTS_TRUNCATE`\"
+    domain=`dnsdomainname 2> /dev/null`
   elif [ -x /bin/domainname ]; then
-    echo \#define LINUX_COMPILE_DOMAIN \"`domainname | $UTS_TRUNCATE`\"
+    domain=`domainname 2> /dev/null`
+  fi
+
+  if [ -n "$domain" ]; then
+    echo \#define LINUX_COMPILE_DOMAIN \"`echo $domain | $UTS_TRUNCATE`\"
   else
     echo \#define LINUX_COMPILE_DOMAIN
   fi

scripts/package/Makefile

@@ -18,6 +18,9 @@
 # e) generate the rpm files, based on kernel.spec
 # - Use /. to avoid tar packing just the symlink
 
+# Note that the rpm-pkg target cannot be used with KBUILD_OUTPUT,
+# but the binrpm-pkg target can; for some reason O= gets ignored.
+
 # Do we have rpmbuild, otherwise fall back to the older rpm
 RPM := $(shell if [ -x "/usr/bin/rpmbuild" ]; then echo rpmbuild; \
 	           else echo rpm; fi)
@@ -33,6 +36,12 @@ $(objtree)/kernel.spec: $(MKSPEC) $(srctree)/Makefile
 	$(CONFIG_SHELL) $(MKSPEC) > $@
 
 rpm-pkg rpm: $(objtree)/kernel.spec FORCE
+	@if test -n "$(KBUILD_OUTPUT)"; then \
+		echo "Building source + binary RPM is not possible outside the"; \
+		echo "kernel source tree. Don't set KBUILD_OUTPUT, or use the"; \
+		echo "binrpm-pkg target instead."; \
+		false; \
+	fi
 	$(MAKE) clean
 	$(PREV) ln -sf $(srctree) $(KERNELPATH)
 	$(CONFIG_SHELL) $(srctree)/scripts/setlocalversion > $(objtree)/.scmversion
@@ -61,7 +70,7 @@ binrpm-pkg: $(objtree)/binkernel.spec FORCE
 	set -e; \
 	mv -f $(objtree)/.tmp_version $(objtree)/.version
 
-	$(RPM) $(RPMOPTS) --define "_builddir $(srctree)" --target \
+	$(RPM) $(RPMOPTS) --define "_builddir $(objtree)" --target \
 		$(UTS_MACHINE) -bb $<
 
 clean-files += $(objtree)/binkernel.spec

scripts/package/mkspec

@@ -70,7 +70,7 @@ echo 'mkdir -p $RPM_BUILD_ROOT/boot $RPM_BUILD_ROOT/lib/modules'
 echo 'mkdir -p $RPM_BUILD_ROOT/lib/firmware'
 echo "%endif"
 
-echo 'INSTALL_MOD_PATH=$RPM_BUILD_ROOT make %{_smp_mflags} modules_install'
+echo 'INSTALL_MOD_PATH=$RPM_BUILD_ROOT make %{_smp_mflags} KBUILD_SRC= modules_install'
 echo "%ifarch ia64"
 echo 'cp $KBUILD_IMAGE $RPM_BUILD_ROOT'"/boot/efi/vmlinuz-$KERNELRELEASE"
 echo 'ln -s '"efi/vmlinuz-$KERNELRELEASE" '$RPM_BUILD_ROOT'"/boot/"