Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block into for-3.18

This is to receive 0a30288da1ae ("blk-mq, percpu_ref: implement a
kludge for SCSI blk-mq stall during probe") which implements
__percpu_ref_kill_expedited() to work around SCSI blk-mq stall.  The
commit reverted and patches to implement proper fix will be added.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Kent Overstreet <kmo@daterainc.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@lst.de>

41 files changed, 5676 insertions, 51 deletions

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index d0396af99fa0..5b1b807265a1 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -267,90 +267,90 @@ int get_msr(int cpu, off_t offset, unsigned long long *msr)
 /*
  * Example Format w/ field column widths:
  *
- * Package    Core     CPU Avg_MHz Bzy_MHz TSC_MHz     SMI   %Busy CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp  PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt
- * 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567
+ *  Package    Core     CPU Avg_MHz Bzy_MHz TSC_MHz     SMI   %Busy CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp  PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt
+ * 123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678
  */
 
 void print_header(void)
 {
 	if (show_pkg)
-		outp += sprintf(outp, "Package ");
+		outp += sprintf(outp, " Package");
 	if (show_core)
-		outp += sprintf(outp, "    Core ");
+		outp += sprintf(outp, "    Core");
 	if (show_cpu)
-		outp += sprintf(outp, "    CPU ");
+		outp += sprintf(outp, "     CPU");
 	if (has_aperf)
-		outp += sprintf(outp, "Avg_MHz ");
+		outp += sprintf(outp, " Avg_MHz");
 	if (do_nhm_cstates)
-		outp += sprintf(outp, "  %%Busy ");
+		outp += sprintf(outp, "   %%Busy");
 	if (has_aperf)
-		outp += sprintf(outp, "Bzy_MHz ");
-	outp += sprintf(outp, "TSC_MHz ");
+		outp += sprintf(outp, " Bzy_MHz");
+	outp += sprintf(outp, " TSC_MHz");
 	if (do_smi)
-		outp += sprintf(outp, "    SMI ");
+		outp += sprintf(outp, "     SMI");
 	if (extra_delta_offset32)
-		outp += sprintf(outp, " count 0x%03X ", extra_delta_offset32);
+		outp += sprintf(outp, "  count 0x%03X", extra_delta_offset32);
 	if (extra_delta_offset64)
-		outp += sprintf(outp, " COUNT 0x%03X ", extra_delta_offset64);
+		outp += sprintf(outp, "  COUNT 0x%03X", extra_delta_offset64);
 	if (extra_msr_offset32)
-		outp += sprintf(outp, "  MSR 0x%03X ", extra_msr_offset32);
+		outp += sprintf(outp, "   MSR 0x%03X", extra_msr_offset32);
 	if (extra_msr_offset64)
-		outp += sprintf(outp, "          MSR 0x%03X ", extra_msr_offset64);
+		outp += sprintf(outp, "           MSR 0x%03X", extra_msr_offset64);
 	if (do_nhm_cstates)
-		outp += sprintf(outp, " CPU%%c1 ");
+		outp += sprintf(outp, "  CPU%%c1");
 	if (do_nhm_cstates && !do_slm_cstates)
-		outp += sprintf(outp, " CPU%%c3 ");
+		outp += sprintf(outp, "  CPU%%c3");
 	if (do_nhm_cstates)
-		outp += sprintf(outp, " CPU%%c6 ");
+		outp += sprintf(outp, "  CPU%%c6");
 	if (do_snb_cstates)
-		outp += sprintf(outp, " CPU%%c7 ");
+		outp += sprintf(outp, "  CPU%%c7");
 
 	if (do_dts)
-		outp += sprintf(outp, "CoreTmp ");
+		outp += sprintf(outp, " CoreTmp");
 	if (do_ptm)
-		outp += sprintf(outp, " PkgTmp ");
+		outp += sprintf(outp, "  PkgTmp");
 
 	if (do_snb_cstates)
-		outp += sprintf(outp, "Pkg%%pc2 ");
+		outp += sprintf(outp, " Pkg%%pc2");
 	if (do_nhm_cstates && !do_slm_cstates)
-		outp += sprintf(outp, "Pkg%%pc3 ");
+		outp += sprintf(outp, " Pkg%%pc3");
 	if (do_nhm_cstates && !do_slm_cstates)
-		outp += sprintf(outp, "Pkg%%pc6 ");
+		outp += sprintf(outp, " Pkg%%pc6");
 	if (do_snb_cstates)
-		outp += sprintf(outp, "Pkg%%pc7 ");
+		outp += sprintf(outp, " Pkg%%pc7");
 	if (do_c8_c9_c10) {
-		outp += sprintf(outp, "Pkg%%pc8 ");
-		outp += sprintf(outp, "Pkg%%pc9 ");
-		outp += sprintf(outp, "Pk%%pc10 ");
+		outp += sprintf(outp, " Pkg%%pc8");
+		outp += sprintf(outp, " Pkg%%pc9");
+		outp += sprintf(outp, " Pk%%pc10");
 	}
 
 	if (do_rapl && !rapl_joules) {
 		if (do_rapl & RAPL_PKG)
-			outp += sprintf(outp, "PkgWatt ");
+			outp += sprintf(outp, " PkgWatt");
 		if (do_rapl & RAPL_CORES)
-			outp += sprintf(outp, "CorWatt ");
+			outp += sprintf(outp, " CorWatt");
 		if (do_rapl & RAPL_GFX)
-			outp += sprintf(outp, "GFXWatt ");
+			outp += sprintf(outp, " GFXWatt");
 		if (do_rapl & RAPL_DRAM)
-			outp += sprintf(outp, "RAMWatt ");
+			outp += sprintf(outp, " RAMWatt");
 		if (do_rapl & RAPL_PKG_PERF_STATUS)
-			outp += sprintf(outp, "  PKG_%% ");
+			outp += sprintf(outp, "   PKG_%%");
 		if (do_rapl & RAPL_DRAM_PERF_STATUS)
-			outp += sprintf(outp, "  RAM_%% ");
+			outp += sprintf(outp, "   RAM_%%");
 	} else {
 		if (do_rapl & RAPL_PKG)
-			outp += sprintf(outp, "  Pkg_J ");
+			outp += sprintf(outp, "   Pkg_J");
 		if (do_rapl & RAPL_CORES)
-			outp += sprintf(outp, "  Cor_J ");
+			outp += sprintf(outp, "   Cor_J");
 		if (do_rapl & RAPL_GFX)
-			outp += sprintf(outp, "  GFX_J ");
+			outp += sprintf(outp, "   GFX_J");
 		if (do_rapl & RAPL_DRAM)
-			outp += sprintf(outp, "  RAM_W ");
+			outp += sprintf(outp, "   RAM_W");
 		if (do_rapl & RAPL_PKG_PERF_STATUS)
-			outp += sprintf(outp, "  PKG_%% ");
+			outp += sprintf(outp, "   PKG_%%");
 		if (do_rapl & RAPL_DRAM_PERF_STATUS)
-			outp += sprintf(outp, "  RAM_%% ");
-		outp += sprintf(outp, "  time ");
+			outp += sprintf(outp, "   RAM_%%");
+		outp += sprintf(outp, "   time");
 
 	}
 	outp += sprintf(outp, "\n");
diff --git a/tools/testing/selftests/ipc/Makefile b/tools/testing/selftests/ipc/Makefile
index 5386fd7c43ae..74bbefdeaf4c 100644
--- a/tools/testing/selftests/ipc/Makefile
+++ b/tools/testing/selftests/ipc/Makefile
@@ -1,18 +1,18 @@
 uname_M := $(shell uname -m 2>/dev/null || echo not)
 ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/)
 ifeq ($(ARCH),i386)
-        ARCH := X86
+        ARCH := x86
 	CFLAGS := -DCONFIG_X86_32 -D__i386__
 endif
 ifeq ($(ARCH),x86_64)
-	ARCH := X86
+	ARCH := x86
 	CFLAGS := -DCONFIG_X86_64 -D__x86_64__
 endif
 
 CFLAGS += -I../../../../usr/include/
 
 all:
-ifeq ($(ARCH),X86)
+ifeq ($(ARCH),x86)
 	gcc $(CFLAGS) msgque.c -o msgque_test
 else
 	echo "Not an x86 target, can't build msgque selftest"
diff --git a/tools/testing/selftests/kcmp/Makefile b/tools/testing/selftests/kcmp/Makefile
index d7d6bbeeff2f..8aabd82db9e4 100644
--- a/tools/testing/selftests/kcmp/Makefile
+++ b/tools/testing/selftests/kcmp/Makefile
@@ -1,11 +1,11 @@
 uname_M := $(shell uname -m 2>/dev/null || echo not)
 ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/)
 ifeq ($(ARCH),i386)
-        ARCH := X86
+        ARCH := x86
 	CFLAGS := -DCONFIG_X86_32 -D__i386__
 endif
 ifeq ($(ARCH),x86_64)
-	ARCH := X86
+	ARCH := x86
 	CFLAGS := -DCONFIG_X86_64 -D__x86_64__
 endif
 
@@ -15,7 +15,7 @@ CFLAGS += -I../../../../usr/include/
 CFLAGS += -I../../../../arch/x86/include/
 
 all:
-ifeq ($(ARCH),X86)
+ifeq ($(ARCH),x86)
 	gcc $(CFLAGS) kcmp_test.c -o kcmp_test
 else
 	echo "Not an x86 target, can't build kcmp selftest"
diff --git a/tools/testing/selftests/memfd/Makefile b/tools/testing/selftests/memfd/Makefile
index 6816c491c5ff..ad4ab01cd28f 100644
--- a/tools/testing/selftests/memfd/Makefile
+++ b/tools/testing/selftests/memfd/Makefile
@@ -1,10 +1,10 @@
 uname_M := $(shell uname -m 2>/dev/null || echo not)
 ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/)
 ifeq ($(ARCH),i386)
-	ARCH := X86
+	ARCH := x86
 endif
 ifeq ($(ARCH),x86_64)
-	ARCH := X86
+	ARCH := x86
 endif
 
 CFLAGS += -D_FILE_OFFSET_BITS=64
@@ -14,20 +14,20 @@ CFLAGS += -I../../../../include/uapi/
 CFLAGS += -I../../../../include/
 
 all:
-ifeq ($(ARCH),X86)
+ifeq ($(ARCH),x86)
 	gcc $(CFLAGS) memfd_test.c -o memfd_test
 else
 	echo "Not an x86 target, can't build memfd selftest"
 endif
 
 run_tests: all
-ifeq ($(ARCH),X86)
+ifeq ($(ARCH),x86)
 	gcc $(CFLAGS) memfd_test.c -o memfd_test
 endif
 	@./memfd_test || echo "memfd_test: [FAIL]"
 
 build_fuse:
-ifeq ($(ARCH),X86)
+ifeq ($(ARCH),x86)
 	gcc $(CFLAGS) fuse_mnt.c `pkg-config fuse --cflags --libs` -o fuse_mnt
 	gcc $(CFLAGS) fuse_test.c -o fuse_test
 else
diff --git a/tools/usb/usbip/.gitignore b/tools/usb/usbip/.gitignore
new file mode 100644
index 000000000000..9aad9e30a8ba
--- /dev/null
+++ b/tools/usb/usbip/.gitignore
@@ -0,0 +1,28 @@
+Makefile
+Makefile.in
+aclocal.m4
+autom4te.cache/
+config.guess
+config.h
+config.h.in
+config.log
+config.status
+config.sub
+configure
+depcomp
+install-sh
+libsrc/Makefile
+libsrc/Makefile.in
+libtool
+ltmain.sh
+missing
+src/Makefile
+src/Makefile.in
+stamp-h1
+libsrc/libusbip.la
+libsrc/libusbip_la-names.lo
+libsrc/libusbip_la-usbip_common.lo
+libsrc/libusbip_la-usbip_host_driver.lo
+libsrc/libusbip_la-vhci_driver.lo
+src/usbip
+src/usbipd
diff --git a/tools/usb/usbip/AUTHORS b/tools/usb/usbip/AUTHORS
new file mode 100644
index 000000000000..a27ea8d03aec
--- /dev/null
+++ b/tools/usb/usbip/AUTHORS
@@ -0,0 +1,3 @@
+Takahiro Hirofuchi
+Robert Leibl
+matt mooney <mfm@muteddisk.com>
diff --git a/tools/usb/usbip/COPYING b/tools/usb/usbip/COPYING
new file mode 100644
index 000000000000..c5611e48a8e1
--- /dev/null
+++ b/tools/usb/usbip/COPYING
@@ -0,0 +1,340 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+     51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
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+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
+	    How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+
+Also add information on how to contact you by electron