Merge tag 'linux-kselftest-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest update from Shuah Khan:
 "This update consists of:

   - fixes to several existing tests from Stafford Horne

   - cpufreq tests from Viresh Kumar

   - Selftest build and install fixes from Bamvor Jian Zhang and Michael
     Ellerman

   - Fixes to protection-keys tests from Dave Hansen

   - Warning fixes from Shuah Khan"

* tag 'linux-kselftest-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (28 commits)
  selftests/powerpc: Fix remaining fallout from recent changes
  selftests/powerpc: Fix the clean rule since recent changes
  selftests: Fix the .S and .S -> .o rules
  selftests: Fix the .c linking rule
  selftests: Fix selftests build to just build, not run tests
  selftests, x86, protection_keys: fix wrong offset in siginfo
  selftests, x86, protection_keys: fix uninitialized variable warning
  selftest: cpufreq: Update MAINTAINERS file
  selftest: cpufreq: Add special tests
  selftest: cpufreq: Add support to test cpufreq modules
  selftest: cpufreq: Add suspend/resume/hibernate support
  selftest: cpufreq: Add support for cpufreq tests
  selftests: Add intel_pstate to TARGETS
  selftests/intel_pstate: Update makefile to match new style
  selftests/intel_pstate: Fix warning on loop index overflow
  cpupower: Restore format of frequency-info limit
  selftests/futex: Add headers to makefile dependencies
  selftests/futex: Add stdio used for logging
  selftests: x86 protection_keys remove dead code
  selftests: x86 protection_keys fix unused variable compile warnings
  ...

16 files changed, 90 insertions, 151 deletions

diff --git a/tools/testing/selftests/powerpc/Makefile b/tools/testing/selftests/powerpc/Makefile
index c2c4211ba58b..1c5d0575802e 100644
--- a/tools/testing/selftests/powerpc/Makefile
+++ b/tools/testing/selftests/powerpc/Makefile
@@ -34,31 +34,35 @@ endif
 all: $(SUB_DIRS)
 
 $(SUB_DIRS):
-	$(MAKE) -k -C $@ all
+	BUILD_TARGET=$$OUTPUT/$@; mkdir -p $$BUILD_TARGET; $(MAKE) OUTPUT=$$BUILD_TARGET -k -C $@ all
 
 include ../lib.mk
 
 override define RUN_TESTS
 	@for TARGET in $(SUB_DIRS); do \
-		$(MAKE) -C $$TARGET run_tests; \
+		BUILD_TARGET=$$OUTPUT/$$TARGET;	\
+		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
 	done;
 endef
 
 override define INSTALL_RULE
 	@for TARGET in $(SUB_DIRS); do \
-		$(MAKE) -C $$TARGET install; \
+		BUILD_TARGET=$$OUTPUT/$$TARGET;	\
+		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET install;\
 	done;
 endef
 
 override define EMIT_TESTS
 	@for TARGET in $(SUB_DIRS); do \
-		$(MAKE) -s -C $$TARGET emit_tests; \
+		BUILD_TARGET=$$OUTPUT/$$TARGET;	\
+		$(MAKE) OUTPUT=$$BUILD_TARGET -s -C $$TARGET emit_tests;\
 	done;
 endef
 
 clean:
 	@for TARGET in $(SUB_DIRS); do \
-		$(MAKE) -C $$TARGET clean; \
+		BUILD_TARGET=$$OUTPUT/$$TARGET;	\
+		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean; \
 	done;
 	rm -f tags
 
diff --git a/tools/testing/selftests/powerpc/alignment/Makefile b/tools/testing/selftests/powerpc/alignment/Makefile
index ad6a4e49da91..16b22004e75f 100644
--- a/tools/testing/selftests/powerpc/alignment/Makefile
+++ b/tools/testing/selftests/powerpc/alignment/Makefile
@@ -1,10 +1,5 @@
-TEST_PROGS := copy_unaligned copy_first_unaligned paste_unaligned paste_last_unaligned
-
-all: $(TEST_PROGS)
-
-$(TEST_PROGS): ../harness.c ../utils.c copy_paste_unaligned_common.c
+TEST_GEN_PROGS := copy_unaligned copy_first_unaligned paste_unaligned paste_last_unaligned
 
 include ../../lib.mk
 
-clean:
-	rm -f $(TEST_PROGS)
+$(TEST_GEN_PROGS): ../harness.c ../utils.c copy_paste_unaligned_common.c
diff --git a/tools/testing/selftests/powerpc/benchmarks/Makefile b/tools/testing/selftests/powerpc/benchmarks/Makefile
index 545077f98f72..fb96a89bd953 100644
--- a/tools/testing/selftests/powerpc/benchmarks/Makefile
+++ b/tools/testing/selftests/powerpc/benchmarks/Makefile
@@ -1,16 +1,11 @@
-TEST_PROGS := gettimeofday context_switch mmap_bench futex_bench null_syscall
+TEST_GEN_PROGS := gettimeofday context_switch mmap_bench futex_bench null_syscall
 
 CFLAGS += -O2
 
-all: $(TEST_PROGS)
-
-$(TEST_PROGS): ../harness.c
-
-context_switch: ../utils.c
-context_switch: CFLAGS += -maltivec -mvsx -mabi=altivec
-context_switch: LDLIBS += -lpthread
-
 include ../../lib.mk
 
-clean:
-	rm -f $(TEST_PROGS) *.o
+$(TEST_GEN_PROGS): ../harness.c
+
+$(OUTPUT)/context_switch: ../utils.c
+$(OUTPUT)/context_switch: CFLAGS += -maltivec -mvsx -mabi=altivec
+$(OUTPUT)/context_switch: LDLIBS += -lpthread
diff --git a/tools/testing/selftests/powerpc/context_switch/Makefile b/tools/testing/selftests/powerpc/context_switch/Makefile
index e164d1466466..e9351bb4285d 100644
--- a/tools/testing/selftests/powerpc/context_switch/Makefile
+++ b/tools/testing/selftests/powerpc/context_switch/Makefile
@@ -1,10 +1,5 @@
-TEST_PROGS := cp_abort
-
-all: $(TEST_PROGS)
-
-$(TEST_PROGS): ../harness.c ../utils.c
+TEST_GEN_PROGS := cp_abort
 
 include ../../lib.mk
 
-clean:
-	rm -f $(TEST_PROGS)
+$(TEST_GEN_PROGS): ../harness.c ../utils.c
diff --git a/tools/testing/selftests/powerpc/copyloops/Makefile b/tools/testing/selftests/powerpc/copyloops/Makefile
index 384843ea0d40..681ab19d0a84 100644
--- a/tools/testing/selftests/powerpc/copyloops/Makefile
+++ b/tools/testing/selftests/powerpc/copyloops/Makefile
@@ -7,19 +7,14 @@ CFLAGS += -maltivec
 # Use our CFLAGS for the implicit .S rule
 ASFLAGS = $(CFLAGS)
 
-TEST_PROGS := copyuser_64 copyuser_power7 memcpy_64 memcpy_power7
+TEST_GEN_PROGS := copyuser_64 copyuser_power7 memcpy_64 memcpy_power7
 EXTRA_SOURCES := validate.c ../harness.c
 
-all: $(TEST_PROGS)
-
-copyuser_64:     CPPFLAGS += -D COPY_LOOP=test___copy_tofrom_user_base
-copyuser_power7: CPPFLAGS += -D COPY_LOOP=test___copy_tofrom_user_power7
-memcpy_64:       CPPFLAGS += -D COPY_LOOP=test_memcpy
-memcpy_power7:   CPPFLAGS += -D COPY_LOOP=test_memcpy_power7
-
-$(TEST_PROGS): $(EXTRA_SOURCES)
-
 include ../../lib.mk
 
-clean:
-	rm -f $(TEST_PROGS) *.o
+$(OUTPUT)/copyuser_64:     CPPFLAGS += -D COPY_LOOP=test___copy_tofrom_user_base
+$(OUTPUT)/copyuser_power7: CPPFLAGS += -D COPY_LOOP=test___copy_tofrom_user_power7
+$(OUTPUT)/memcpy_64:       CPPFLAGS += -D COPY_LOOP=test_memcpy
+$(OUTPUT)/memcpy_power7:   CPPFLAGS += -D COPY_LOOP=test_memcpy_power7
+
+$(TEST_GEN_PROGS): $(EXTRA_SOURCES)
diff --git a/tools/testing/selftests/powerpc/dscr/Makefile b/tools/testing/selftests/powerpc/dscr/Makefile
index 49327ee84e3a..c5639deb8887 100644
--- a/tools/testing/selftests/powerpc/dscr/Makefile
+++ b/tools/testing/selftests/powerpc/dscr/Makefile
@@ -1,14 +1,9 @@
-TEST_PROGS := dscr_default_test dscr_explicit_test dscr_user_test	\
+TEST_GEN_PROGS := dscr_default_test dscr_explicit_test dscr_user_test	\
 	      dscr_inherit_test dscr_inherit_exec_test dscr_sysfs_test	\
 	      dscr_sysfs_thread_test
 
-dscr_default_test: LDLIBS += -lpthread
-
-all: $(TEST_PROGS)
-
-$(TEST_PROGS): ../harness.c
-
 include ../../lib.mk
 
-clean:
-	rm -f $(TEST_PROGS) *.o
+$(OUTPUT)/dscr_default_test: LDLIBS += -lpthread
+
+$(TEST_GEN_PROGS): ../harness.c
diff --git a/tools/testing/selftests/powerpc/math/Makefile b/tools/testing/selftests/powerpc/math/Makefile
index a505b66d408a..fa8bae920c91 100644
--- a/tools/testing/selftests/powerpc/math/Makefile
+++ b/tools/testing/selftests/powerpc/math/Makefile
@@ -1,22 +1,17 @@
-TEST_PROGS := fpu_syscall fpu_preempt fpu_signal vmx_syscall vmx_preempt vmx_signal vsx_preempt
+TEST_GEN_PROGS := fpu_syscall fpu_preempt fpu_signal vmx_syscall vmx_preempt vmx_signal vsx_preempt
 
-all: $(TEST_PROGS)
-
-$(TEST_PROGS): ../harness.c
-$(TEST_PROGS): CFLAGS += -O2 -g -pthread -m64 -maltivec
-
-fpu_syscall: fpu_asm.S
-fpu_preempt: fpu_asm.S
-fpu_signal:  fpu_asm.S
+include ../../lib.mk
 
-vmx_syscall: vmx_asm.S
-vmx_preempt: vmx_asm.S
-vmx_signal: vmx_asm.S
+$(TEST_GEN_PROGS): ../harness.c
+$(TEST_GEN_PROGS): CFLAGS += -O2 -g -pthread -m64 -maltivec
 
-vsx_preempt: CFLAGS += -mvsx
-vsx_preempt: vsx_asm.S
+$(OUTPUT)/fpu_syscall: fpu_asm.S
+$(OUTPUT)/fpu_preempt: fpu_asm.S
+$(OUTPUT)/fpu_signal:  fpu_asm.S
 
-include ../../lib.mk
+$(OUTPUT)/vmx_syscall: vmx_asm.S
+$(OUTPUT)/vmx_preempt: vmx_asm.S
+$(OUTPUT)/vmx_signal: vmx_asm.S
 
-clean:
-	rm -f $(TEST_PROGS) *.o
+$(OUTPUT)/vsx_preempt: CFLAGS += -mvsx
+$(OUTPUT)/vsx_preempt: vsx_asm.S
diff --git a/tools/testing/selftests/powerpc/mm/Makefile b/tools/testing/selftests/powerpc/mm/Makefile
index 3bdb96eae558..1cffe54dccfb 100644
--- a/tools/testing/selftests/powerpc/mm/Makefile
+++ b/tools/testing/selftests/powerpc/mm/Makefile
@@ -1,19 +1,15 @@
 noarg:
 	$(MAKE) -C ../
 
-TEST_PROGS := hugetlb_vs_thp_test subpage_prot prot_sao
-TEST_FILES := tempfile
+TEST_GEN_PROGS := hugetlb_vs_thp_test subpage_prot prot_sao
+TEST_GEN_FILES := tempfile
 
-all: $(TEST_PROGS) $(TEST_FILES)
-
-$(TEST_PROGS): ../harness.c
+include ../../lib.mk
 
-prot_sao: ../utils.c
+$(TEST_GEN_PROGS): ../harness.c
 
-include ../../lib.mk
+$(OUTPUT)/prot_sao: ../utils.c
 
-tempfile:
-	dd if=/dev/zero of=tempfile bs=64k count=1
+$(OUTPUT)/tempfile:
+	dd if=/dev/zero of=$@ bs=64k count=1
 
-clean:
-	rm -f $(TEST_PROGS) tempfile
diff --git a/tools/testing/selftests/powerpc/pmu/Makefile b/tools/testing/selftests/powerpc/pmu/Makefile
index ac41a7177f2e..e4e55d1d3e0f 100644
--- a/tools/testing/selftests/powerpc/pmu/Makefile
+++ b/tools/testing/selftests/powerpc/pmu/Makefile
@@ -1,44 +1,44 @@
 noarg:
 	$(MAKE) -C ../
 
-TEST_PROGS := count_instructions l3_bank_test per_event_excludes
+TEST_GEN_PROGS := count_instructions l3_bank_test per_event_excludes
 EXTRA_SOURCES := ../harness.c event.c lib.c ../utils.c
 
-all: $(TEST_PROGS) ebb
+include ../../lib.mk
+
+all: $(TEST_GEN_PROGS) ebb
 
-$(TEST_PROGS): $(EXTRA_SOURCES)
+$(TEST_GEN_PROGS): $(EXTRA_SOURCES)
 
 # loop.S can only be built 64-bit
-count_instructions: loop.S count_instructions.c $(EXTRA_SOURCES)
+$(OUTPUT)/count_instructions: loop.S count_instructions.c $(EXTRA_SOURCES)
 	$(CC) $(CFLAGS) -m64 -o $@ $^
 
-per_event_excludes: ../utils.c
-
-include ../../lib.mk
+$(OUTPUT)/per_event_excludes: ../utils.c
 
 DEFAULT_RUN_TESTS := $(RUN_TESTS)
 override define RUN_TESTS
 	$(DEFAULT_RUN_TESTS)
-	$(MAKE) -C ebb run_tests
+	TARGET=ebb; BUILD_TARGET=$$OUTPUT/$$TARGET; $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests
 endef
 
 DEFAULT_EMIT_TESTS := $(EMIT_TESTS)
 override define EMIT_TESTS
 	$(DEFAULT_EMIT_TESTS)
-	$(MAKE) -s -C ebb emit_tests
+	TARGET=ebb; BUILD_TARGET=$$OUTPUT/$$TARGET; $(MAKE) OUTPUT=$$BUILD_TARGET -s -C $$TARGET emit_tests
 endef
 
 DEFAULT_INSTALL_RULE := $(INSTALL_RULE)
 override define INSTALL_RULE
 	$(DEFAULT_INSTALL_RULE)
-	$(MAKE) -C ebb install
+	TARGET=ebb; BUILD_TARGET=$$OUTPUT/$$TARGET; $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET install
 endef
 
 clean:
-	rm -f $(TEST_PROGS) loop.o
-	$(MAKE) -C ebb clean
+	$(RM) $(TEST_GEN_PROGS) $(OUTPUT)/loop.o
+	TARGET=ebb; BUILD_TARGET=$$OUTPUT/$$TARGET; $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean
 
 ebb:
-	$(MAKE) -k -C $@ all
+	TARGET=$@; BUILD_TARGET=$$OUTPUT/$$TARGET; mkdir -p $$BUILD_TARGET; $(MAKE) OUTPUT=$$BUILD_TARGET -k -C $$TARGET all
 
 .PHONY: all run_tests clean ebb
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/Makefile b/tools/testing/selftests/powerpc/pmu/ebb/Makefile
index 8d2279c4bb4b..6001fb0a377a 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/Makefile
+++ b/tools/testing/selftests/powerpc/pmu/ebb/Makefile
@@ -4,7 +4,7 @@ noarg:
 # The EBB handler is 64-bit code and everything links against it
 CFLAGS += -m64
 
-TEST_PROGS := reg_access_test event_attributes_test cycles_test	\
+TEST_GEN_PROGS := reg_access_test event_attributes_test cycles_test	\
 	 cycles_with_freeze_test pmc56_overflow_test		\
 	 ebb_vs_cpu_event_test cpu_event_vs_ebb_test		\
 	 cpu_event_pinned_vs_ebb_test task_event_vs_ebb_test	\
@@ -16,16 +16,11 @@ TEST_PROGS := reg_access_test event_attributes_test cycles_test	\
 	 lost_exception_test no_handler_test			\
 	 cycles_with_mmcr2_test
 
-all: $(TEST_PROGS)
+include ../../../lib.mk
 
-$(TEST_PROGS): ../../harness.c ../../utils.c ../event.c ../lib.c \
+$(TEST_GEN_PROGS): ../../harness.c ../../utils.c ../event.c ../lib.c \
 	       ebb.c ebb_handler.S trace.c busy_loop.S
 
-instruction_count_test: ../loop.S
-
-lost_exception_test: ../lib.c
-
-include ../../../lib.mk
+$(OUTPUT)/instruction_count_test: ../loop.S
 
-clean:
-	rm -f $(TEST_PROGS)
+$(OUTPUT)/lost_exception_test: ../lib.c
diff --git a/tools/testing/selftests/powerpc/primitives/Makefile b/tools/testing/selftests/powerpc/primitives/Makefile
index b68c6221d3d1..175366db7be8 100644
--- a/tools/testing/selftests/powerpc/primitives/Makefile
+++ b/tools/testing/selftests/powerpc/primitives/Makefile
@@ -1,12 +1,7 @@
 CFLAGS += -I$(CURDIR)
 
-TEST_PROGS := load_unaligned_zeropad
-
-all: $(TEST_PROGS)
-
-$(TEST_PROGS): ../harness.c
+TEST_GEN_PROGS := load_unaligned_zeropad
 
 include ../../lib.mk
 
-clean:
-	rm -f $(TEST_PROGS) *.o
+$(TEST_GEN_PROGS): ../harness.c
diff --git a/tools/testing/selftests/powerpc/stringloops/Makefile b/tools/testing/selftests/powerpc/stringloops/Makefile
index 2a728f4d2873..557b9379f3bb 100644
--- a/tools/testing/selftests/powerpc/stringloops/Makefile
+++ b/tools/testing/selftests/powerpc/stringloops/Makefile
@@ -2,14 +2,9 @@
 CFLAGS += -m64
 CFLAGS += -I$(CURDIR)
 
-TEST_PROGS := memcmp
+TEST_GEN_PROGS := memcmp
 EXTRA_SOURCES := memcmp_64.S ../harness.c
 
-all: $(TEST_PROGS)
-
-$(TEST_PROGS): $(EXTRA_SOURCES)
-
 include ../../lib.mk
 
-clean:
-	rm -f $(TEST_PROGS) *.o
+$(TEST_GEN_PROGS): $(EXTRA_SOURCES)
diff --git a/tools/testing/selftests/powerpc/switch_endian/Makefile b/tools/testing/selftests/powerpc/switch_endian/Makefile
index e21d10674e54..b92c2a132c4f 100644
--- a/tools/testing/selftests/powerpc/switch_endian/Makefile
+++ b/tools/testing/selftests/powerpc/switch_endian/Makefile
@@ -1,18 +1,15 @@
-TEST_PROGS := switch_endian_test
+TEST_GEN_PROGS := switch_endian_test
 
 ASFLAGS += -O2 -Wall -g -nostdlib -m64
 
-all: $(TEST_PROGS)
+EXTRA_CLEAN = $(OUTPUT)/*.o $(OUTPUT)/check-reversed.S
 
-switch_endian_test: check-reversed.S
+include ../../lib.mk
+
+$(OUTPUT)/switch_endian_test: $(OUTPUT)/check-reversed.S
 
-check-reversed.o: check.o
+$(OUTPUT)/check-reversed.o: $(OUTPUT)/check.o
 	$(CROSS_COMPILE)objcopy -j .text --reverse-bytes=4 -O binary $< $@
 
-check-reversed.S: check-reversed.o
+$(OUTPUT)/check-reversed.S: $(OUTPUT)/check-reversed.o
 	hexdump -v -e '/1 ".byte 0x%02X\n"' $< > $@
-
-include ../../lib.mk
-
-clean:
-	rm -f $(TEST_PROGS) *.o check-reversed.S
diff --git a/tools/testing/selftests/powerpc/syscalls/Makefile b/tools/testing/selftests/powerpc/syscalls/Makefile
index b35c7945bec5..da22ca7c38c1 100644
--- a/tools/testing/selftests/powerpc/syscalls/Makefile
+++ b/tools/testing/selftests/powerpc/syscalls/Makefile
@@ -1,12 +1,7 @@
-TEST_PROGS := ipc_unmuxed
+TEST_GEN_PROGS := ipc_unmuxed
 
 CFLAGS += -I../../../../../usr/include
 
-all: $(TEST_PROGS)
-
-$(TEST_PROGS): ../harness.c
-
 include ../../lib.mk
 
-clean:
-	rm -f $(TEST_PROGS) *.o
+$(TEST_GEN_PROGS): ../harness.c
diff --git a/tools/testing/selftests/powerpc/tm/Makefile b/tools/testing/selftests/powerpc/tm/Makefile
index c6c53c82fdd6..5576ee6a51f2 100644
--- a/tools/testing/selftests/powerpc/tm/Makefile
+++ b/tools/testing/selftests/powerpc/tm/Makefile
@@ -1,23 +1,19 @@
 SIGNAL_CONTEXT_CHK_TESTS := tm-signal-context-chk-gpr tm-signal-context-chk-fpu \
 	tm-signal-context-chk-vmx tm-signal-context-chk-vsx
 
-TEST_PROGS := tm-resched-dscr tm-syscall tm-signal-msr-resv tm-signal-stack \
+TEST_GEN_PROGS := tm-resched-dscr tm-syscall tm-signal-msr-resv tm-signal-stack \
 	tm-vmxcopy tm-fork tm-tar tm-tmspr $(SIGNAL_CONTEXT_CHK_TESTS)
 
-all: $(TEST_PROGS)
+include ../../lib.mk
 
-$(TEST_PROGS): ../harness.c ../utils.c
+$(TEST_GEN_PROGS): ../harness.c ../utils.c
 
 CFLAGS += -mhtm
 
-tm-syscall: tm-syscall-asm.S
-tm-syscall: CFLAGS += -I../../../../../usr/include
-tm-tmspr: CFLAGS += -pthread
+$(OUTPUT)/tm-syscall: tm-syscall-asm.S
+$(OUTPUT)/tm-syscall: CFLAGS += -I../../../../../usr/include
+$(OUTPUT)/tm-tmspr: CFLAGS += -pthread
 
+SIGNAL_CONTEXT_CHK_TESTS := $(patsubst %,$(OUTPUT)/%,$(SIGNAL_CONTEXT_CHK_TESTS))
 $(SIGNAL_CONTEXT_CHK_TESTS): tm-signal.S
 $(SIGNAL_CONTEXT_CHK_TESTS): CFLAGS += -mhtm -m64 -mvsx
-
-include ../../lib.mk
-
-clean:
-	rm -f $(TEST_PROGS) *.o
diff --git a/tools/testing/selftests/powerpc/vphn/Makefile b/tools/testing/selftests/powerpc/vphn/Makefile
index a485f2e286ae..f8ced26748f8 100644
--- a/tools/testing/selftests/powerpc/vphn/Makefile
+++ b/tools/testing/selftests/powerpc/vphn/Makefile
@@ -1,12 +1,8 @@
-TEST_PROGS := test-vphn
+TEST_GEN_PROGS := test-vphn
 
 CFLAGS += -m64
 
-all: $(TEST_PROGS)
-
-$(TEST_PROGS): ../harness.c
-
 include ../../lib.mk
 
-clean:
-	rm -f $(TEST_PROGS)
+$(TEST_GEN_PROGS): ../harness.c
+