Add the rt linux 4.1.3-rt3 as base

Import the rt linux 4.1.3-rt3 as OPNFV kvm base.

It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:

commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date:   Sat Jul 25 12:13:34 2015 +0200

    Prepare v4.1.3-rt3

    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.

Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>

1 files changed, 232 insertions, 0 deletions

diff --git a/kernel/Documentation/DocBook/Makefile b/kernel/Documentation/DocBook/Makefile
new file mode 100644
index 000000000..b6a6a2e0d
--- /dev/null
+++ b/kernel/Documentation/DocBook/Makefile
@@ -0,0 +1,232 @@
+###
+# This makefile is used to generate the kernel documentation,
+# primarily based on in-line comments in various source files.
+# See Documentation/kernel-doc-nano-HOWTO.txt for instruction in how
+# to document the SRC - and how to read it.
+# To add a new book the only step required is to add the book to the
+# list of DOCBOOKS.
+
+DOCBOOKS := z8530book.xml device-drivers.xml \
+	    kernel-hacking.xml kernel-locking.xml deviceiobook.xml \
+	    writing_usb_driver.xml networking.xml \
+	    kernel-api.xml filesystems.xml lsm.xml usb.xml kgdb.xml \
+	    gadget.xml libata.xml mtdnand.xml librs.xml rapidio.xml \
+	    genericirq.xml s390-drivers.xml uio-howto.xml scsi.xml \
+	    80211.xml debugobjects.xml sh.xml regulator.xml \
+	    alsa-driver-api.xml writing-an-alsa-driver.xml \
+	    tracepoint.xml drm.xml media_api.xml w1.xml \
+	    writing_musb_glue_layer.xml crypto-API.xml
+
+include Documentation/DocBook/media/Makefile
+
+###
+# The build process is as follows (targets):
+#              (xmldocs) [by docproc]
+# file.tmpl --> file.xml +--> file.ps   (psdocs)   [by db2ps or xmlto]
+#                        +--> file.pdf  (pdfdocs)  [by db2pdf or xmlto]
+#                        +--> DIR=file  (htmldocs) [by xmlto]
+#                        +--> man/      (mandocs)  [by xmlto]
+
+
+# for PDF and PS output you can choose between xmlto and docbook-utils tools
+PDF_METHOD	= $(prefer-db2x)
+PS_METHOD	= $(prefer-db2x)
+
+
+###
+# The targets that may be used.
+PHONY += xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs cleandocs
+
+targets += $(DOCBOOKS)
+BOOKS := $(addprefix $(obj)/,$(DOCBOOKS))
+xmldocs: $(BOOKS)
+sgmldocs: xmldocs
+
+PS := $(patsubst %.xml, %.ps, $(BOOKS))
+psdocs: $(PS)
+
+PDF := $(patsubst %.xml, %.pdf, $(BOOKS))
+pdfdocs: $(PDF)
+
+HTML := $(sort $(patsubst %.xml, %.html, $(BOOKS)))
+htmldocs: $(HTML)
+	$(call build_main_index)
+	$(call build_images)
+	$(call install_media_images)
+
+MAN := $(patsubst %.xml, %.9, $(BOOKS))
+mandocs: $(MAN)
+	find $(obj)/man -name '*.9' | xargs gzip -f
+
+installmandocs: mandocs
+	mkdir -p /usr/local/man/man9/
+	install $(obj)/man/*.9.gz /usr/local/man/man9/
+
+###
+#External programs used
+KERNELDOC = $(srctree)/scripts/kernel-doc
+DOCPROC   = $(objtree)/scripts/docproc
+
+XMLTOFLAGS = -m $(srctree)/$(src)/stylesheet.xsl
+XMLTOFLAGS += --skip-validation
+
+###
+# DOCPROC is used for two purposes:
+# 1) To generate a dependency list for a .tmpl file
+# 2) To preprocess a .tmpl file and call kernel-doc with
+#     appropriate parameters.
+# The following rules are used to generate the .xml documentation
+# required to generate the final targets. (ps, pdf, html).
+quiet_cmd_docproc = DOCPROC $@
+      cmd_docproc = SRCTREE=$(srctree)/ $(DOCPROC) doc $< >$@
+define rule_docproc
+	set -e;								\
+        $(if $($(quiet)cmd_$(1)),echo '  $($(quiet)cmd_$(1))';) 	\
+        $(cmd_$(1)); 							\
+        ( 								\
+          echo 'cmd_$@ := $(cmd_$(1))'; 				\
+          echo $@: `SRCTREE=$(srctree) $(DOCPROC) depend $<`; 		\
+        ) > $(dir $@).$(notdir $@).cmd
+endef
+
+%.xml: %.tmpl $(KERNELDOC) $(DOCPROC) FORCE
+	$(call if_changed_rule,docproc)
+
+# Tell kbuild to always build the programs
+always := $(hostprogs-y)
+
+notfoundtemplate = echo "*** You have to install docbook-utils or xmlto ***"; \
+		   exit 1
+db2xtemplate = db2TYPE -o $(dir $@) $<
+xmltotemplate = xmlto TYPE $(XMLTOFLAGS) -o $(dir $@) $<
+
+# determine which methods are available
+ifeq ($(shell which db2ps >/dev/null 2>&1 && echo found),found)
+	use-db2x = db2x
+	prefer-db2x = db2x
+else
+	use-db2x = notfound
+	prefer-db2x = $(use-xmlto)
+endif
+ifeq ($(shell which xmlto >/dev/null 2>&1 && echo found),found)
+	use-xmlto = xmlto
+	prefer-xmlto = xmlto
+else
+	use-xmlto = notfound
+	prefer-xmlto = $(use-db2x)
+endif
+
+# the commands, generated from the chosen template
+quiet_cmd_db2ps = PS      $@
+      cmd_db2ps = $(subst TYPE,ps, $($(PS_METHOD)template))
+%.ps : %.xml
+	$(call cmd,db2ps)
+
+quiet_cmd_db2pdf = PDF     $@
+      cmd_db2pdf = $(subst TYPE,pdf, $($(PDF_METHOD)template))
+%.pdf : %.xml
+	$(call cmd,db2pdf)
+
+
+index = index.html
+main_idx = $(obj)/$(index)
+build_main_index = rm -rf $(main_idx); \
+		   echo '<h1>Linux Kernel HTML Documentation</h1>' >> $(main_idx) && \
+		   echo '<h2>Kernel Version: $(KERNELVERSION)</h2>' >> $(main_idx) && \
+		   cat $(HTML) >> $(main_idx)
+
+quiet_cmd_db2html = HTML    $@
+      cmd_db2html = xmlto html $(XMLTOFLAGS) -o $(patsubst %.html,%,$@) $< && \
+		echo '<a HREF="$(patsubst %.html,%,$(notdir $@))/index.html"> \
+		$(patsubst %.html,%,$(notdir $@))</a><p>' > $@
+
+%.html:	%.xml
+	@(which xmlto > /dev/null 2>&1) || \
+	 (echo "*** You need to install xmlto ***"; \
+	  exit 1)
+	@rm -rf $@ $(patsubst %.html,%,$@)
+	$(call cmd,db2html)
+	@if [ ! -z "$(PNG-$(basename $(notdir $@)))" ]; then \
+            cp $(PNG-$(basename $(notdir $@))) $(patsubst %.html,%,$@); fi
+
+quiet_cmd_db2man = MAN     $@
+      cmd_db2man = if grep -q refentry $<; then xmlto man $(XMLTOFLAGS) -o $(obj)/man $< ; fi
+%.9 : %.xml
+	@(which xmlto > /dev/null 2>&1) || \
+	 (echo "*** You need to install xmlto ***"; \
+	  exit 1)
+	$(Q)mkdir -p $(obj)/man
+	$(call cmd,db2man)
+	@touch $@
+
+###
+# Rules to generate postscripts and PNG images from .fig format files
+quiet_cmd_fig2eps = FIG2EPS $@
+      cmd_fig2eps = fig2dev -Leps $< $@
+
+%.eps: %.fig
+	@(which fig2dev > /dev/null 2>&1) || \
+	 (echo "*** You need to install transfig ***"; \
+	  exit 1)
+	$(call cmd,fig2eps)
+
+quiet_cmd_fig2png = FIG2PNG $@
+      cmd_fig2png = fig2dev -Lpng $< $@
+
+%.png: %.fig
+	@(which fig2dev > /dev/null 2>&1) || \
+	 (echo "*** You need to install transfig ***"; \
+	  exit 1)
+	$(call cmd,fig2png)
+
+###
+# Rule to convert a .c file to inline XML documentation
+       gen_xml = :
+ quiet_gen_xml = echo '  GEN     $@'
+silent_gen_xml = :
+%.xml: %.c
+	@$($(quiet)gen_xml)
+	@(                            \
+	   echo "<programlisting>";   \
+	   expand --tabs=8 < $< |     \
+	   sed -e "s/&/\\&amp;/g"     \
+	       -e "s/</\\&lt;/g"      \
+	       -e "s/>/\\&gt;/g";     \
+	   echo "</programlisting>")  > $@
+
+###
+# Help targets as used by the top-level makefile
+dochelp:
+	@echo  ' Linux kernel internal documentation in different formats:'
+	@echo  '  htmldocs        - HTML'
+	@echo  '  pdfdocs         - PDF'
+	@echo  '  psdocs          - Postscript'
+	@echo  '  xmldocs         - XML DocBook'
+	@echo  '  mandocs         - man pages'
+	@echo  '  installmandocs  - install man pages generated by mandocs'
+	@echo  '  cleandocs       - clean all generated DocBook files'
+
+###
+# Temporary files left by various tools
+clean-files := $(DOCBOOKS) \
+	$(patsubst %.xml, %.dvi,  $(DOCBOOKS)) \
+	$(patsubst %.xml, %.aux,  $(DOCBOOKS)) \
+	$(patsubst %.xml, %.tex,  $(DOCBOOKS)) \
+	$(patsubst %.xml, %.log,  $(DOCBOOKS)) \
+	$(patsubst %.xml, %.out,  $(DOCBOOKS)) \
+	$(patsubst %.xml, %.ps,   $(DOCBOOKS)) \
+	$(patsubst %.xml, %.pdf,  $(DOCBOOKS)) \
+	$(patsubst %.xml, %.html, $(DOCBOOKS)) \
+	$(patsubst %.xml, %.9,    $(DOCBOOKS)) \
+	$(index)
+
+clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS)) man
+
+cleandocs: cleanmediadocs
+	$(Q)rm -f $(call objectify, $(clean-files))
+	$(Q)rm -rf $(call objectify, $(clean-dirs))
+
+# Declare the contents of the .PHONY variable as phony.  We keep that
+# information in a variable se we can use it in if_changed and friends.
+
+.PHONY: $(PHONY)