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From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Boqun Feng <boqun.feng@gmail.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Paul Turner <pjt@google.com>, Andrew Hunter <ahh@google.com>,
	Andy Lutomirski <luto@amacapital.net>,
	Dave Watson <davejwatson@fb.com>,
	Josh Triplett <josh@joshtriplett.org>,
	Will Deacon <will.deacon@arm.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Russell King <linux@arm.linux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Andi Kleen <andi@firstfloor.org>, Chris Lameter <cl@linux.com>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Ben Maurer <bmaurer@fb.com>, rostedt <rostedt@goodmis.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	shuah <shuah@kernel.org>,
	linux-kselftest <linux-kselftest@vger.kernel.org>,
	linux-api <linux-api@vger.kernel.org>
Subject: Re: [RFC PATCH for 4.15 14/14] Restartable sequences: Provide self-tests
Date: Tue, 17 Oct 2017 13:50:16 +0000 (UTC)	[thread overview]
Message-ID: <1618170495.42951.1508248216596.JavaMail.zimbra@efficios.com> (raw)
In-Reply-To: <87d15mjc1g.fsf@concordia.ellerman.id.au>

----- On Oct 17, 2017, at 6:36 AM, Michael Ellerman mpe@ellerman.id.au wrote:

> Mathieu Desnoyers <mathieu.desnoyers@efficios.com> writes:
> 
>> Hi Michael,
>>
>> With your changes integrated, both rseq and cpu-opv selftests fail to
>> build if I pass e.g. -j32 to make.
>>
>> cd tools/testing/selftests/cpu-opv
>>
>> efficios@compudjdev:~/git/linux-percpu-dev/tools/testing/selftests/cpu-opv$ make
>> clean; make
>> rm -f -r
>> /home/efficios/git/linux-percpu-dev/tools/testing/selftests/cpu-opv/basic_cpu_opv_test
>> gcc -O2 -Wall -g -I./ -I../../../../usr/include/    basic_cpu_opv_test.c
>> cpu-op.c cpu-op.h   -o basic_cpu_opv_test
>>
>> efficios@compudjdev:~/git/linux-percpu-dev/tools/testing/selftests/cpu-opv$ make
>> clean; make -j32
>> rm -f -r
>> /home/efficios/git/linux-percpu-dev/tools/testing/selftests/cpu-opv/basic_cpu_opv_test
>> gcc -O2 -Wall -g -I./ -I../../../../usr/include/    basic_cpu_opv_test.c
>> cpu-op.c cpu-op.h   -o basic_cpu_opv_test
>> gcc -O2 -Wall -g -I./ -I../../../../usr/include/    basic_cpu_opv_test.c  -o
>> /home/efficios/git/linux-percpu-dev/tools/testing/selftests/cpu-opv/basic_cpu_opv_test
>> /tmp/ccDthnqM.o: In function `test_memcpy_op':
>> /home/efficios/git/linux-percpu-dev/tools/testing/selftests/cpu-opv/basic_cpu_opv_test.c:364:
>> undefined reference to `cpu_op_get_current_cpu'
>> /home/efficios/git/linux-percpu-dev/tools/testing/selftests/cpu-opv/basic_cpu_opv_test.c:365:
>> undefined reference to `cpu_opv'
> ...
>> make: ***
>> [/home/efficios/git/linux-percpu-dev/tools/testing/selftests/cpu-opv/basic_cpu_opv_test]
>> Error 1
>> make: *** Waiting for unfinished jobs....
>>
>> Any idea what is going on here ?
> 
> Ugh sorry, yes.
> 
> New patch below should fix it. Tested with -j:

Perfect, folding it into my series.

I see that the "all" target was redundant here.

Thanks,

Mathieu

> 
>  ~/linux/tools/testing/selftests$ make TARGETS="rseq cpu-opv" -j
>  make[1]: Entering directory '/home/michael/linux/tools/testing/selftests/rseq'
>  gcc -O2 -Wall -g -I./ -I../cpu-opv/ -I../../../../usr/include/    basic_test.c
>  rseq.h rseq-ppc.h rseq-x86.h rseq-arm.h rseq.c ../cpu-opv/cpu-op.c
>  ../cpu-opv/cpu-op.h -lpthread -o
>  /home/michael/linux/tools/testing/selftests/rseq/basic_test
>  gcc -O2 -Wall -g -I./ -I../cpu-opv/ -I../../../../usr/include/
>  basic_percpu_ops_test.c rseq.h rseq-ppc.h rseq-x86.h rseq-arm.h rseq.c
>  ../cpu-opv/cpu-op.c ../cpu-opv/cpu-op.h -lpthread -o
>  /home/michael/linux/tools/testing/selftests/rseq/basic_percpu_ops_test
>  gcc -O2 -Wall -g -I./ -I../cpu-opv/ -I../../../../usr/include/    param_test.c
>  rseq.h rseq-ppc.h rseq-x86.h rseq-arm.h rseq.c ../cpu-opv/cpu-op.c
>  ../cpu-opv/cpu-op.h -lpthread -o
>  /home/michael/linux/tools/testing/selftests/rseq/param_test
>  make[1]: Leaving directory '/home/michael/linux/tools/testing/selftests/rseq'
>  make[1]: Entering directory
>  '/home/michael/linux/tools/testing/selftests/cpu-opv'
>  gcc -O2 -Wall -g -I./ -I../../../../usr/include/    basic_cpu_opv_test.c
>  cpu-op.c cpu-op.h  -o
>  /home/michael/linux/tools/testing/selftests/cpu-opv/basic_cpu_opv_test
>  make[1]: Leaving directory '/home/michael/linux/tools/testing/selftests/cpu-opv'
>  ~/linux/tools/testing/selftests$ make TARGETS="rseq cpu-opv" clean
>  make[1]: Entering directory '/home/michael/linux/tools/testing/selftests/rseq'
>  rm -f -r /home/michael/linux/tools/testing/selftests/rseq/basic_test
>  /home/michael/linux/tools/testing/selftests/rseq/basic_percpu_ops_test
>  /home/michael/linux/tools/testing/selftests/rseq/param_test
>  make[1]: Leaving directory '/home/michael/linux/tools/testing/selftests/rseq'
>  make[1]: Entering directory
>  '/home/michael/linux/tools/testing/selftests/cpu-opv'
>  rm -f -r /home/michael/linux/tools/testing/selftests/cpu-opv/basic_cpu_opv_test
>  make[1]: Leaving directory '/home/michael/linux/tools/testing/selftests/cpu-opv'
>  ~/linux/tools/testing/selftests$ cd cpu-opv/
>  ~/linux/tools/testing/selftests/cpu-opv$ make -j
>  gcc -O2 -Wall -g -I./ -I../../../../usr/include/    basic_cpu_opv_test.c
>  cpu-op.c cpu-op.h  -o
>  /home/michael/linux/tools/testing/selftests/cpu-opv/basic_cpu_opv_test
>  ~/linux/tools/testing/selftests/cpu-opv$ make clean
>  rm -f -r /home/michael/linux/tools/testing/selftests/cpu-opv/basic_cpu_opv_test
>  ~/linux/tools/testing/selftests/cpu-opv$ cd ../rseq/
>  ~/linux/tools/testing/selftests/rseq$ make -j
>  gcc -O2 -Wall -g -I./ -I../cpu-opv/ -I../../../../usr/include/    basic_test.c
>  rseq.h rseq-ppc.h rseq-x86.h rseq-arm.h rseq.c ../cpu-opv/cpu-op.c
>  ../cpu-opv/cpu-op.h -lpthread -o
>  /home/michael/linux/tools/testing/selftests/rseq/basic_test
>  gcc -O2 -Wall -g -I./ -I../cpu-opv/ -I../../../../usr/include/
>  basic_percpu_ops_test.c rseq.h rseq-ppc.h rseq-x86.h rseq-arm.h rseq.c
>  ../cpu-opv/cpu-op.c ../cpu-opv/cpu-op.h -lpthread -o
>  /home/michael/linux/tools/testing/selftests/rseq/basic_percpu_ops_test
>  gcc -O2 -Wall -g -I./ -I../cpu-opv/ -I../../../../usr/include/    param_test.c
>  rseq.h rseq-ppc.h rseq-x86.h rseq-arm.h rseq.c ../cpu-opv/cpu-op.c
>  ../cpu-opv/cpu-op.h -lpthread -o
>  /home/michael/linux/tools/testing/selftests/rseq/param_test
>  ~/linux/tools/testing/selftests/rseq$ make clean
>  rm -f -r /home/michael/linux/tools/testing/selftests/rseq/basic_test
>  /home/michael/linux/tools/testing/selftests/rseq/basic_percpu_ops_test
>  /home/michael/linux/tools/testing/selftests/rseq/param_test
> 
> 
> 
> cheers
> 
> diff --git a/tools/testing/selftests/cpu-opv/Makefile
> b/tools/testing/selftests/cpu-opv/Makefile
> index 81d0596824ee..d27bd0f74deb 100644
> --- a/tools/testing/selftests/cpu-opv/Makefile
> +++ b/tools/testing/selftests/cpu-opv/Makefile
> @@ -1,13 +1,7 @@
> CFLAGS += -O2 -Wall -g -I./ -I../../../../usr/include/
> -LDFLAGS += -lpthread
> 
> -TESTS = basic_cpu_opv_test
> -
> -all: $(TESTS)
> -%: %.c cpu-op.c cpu-op.h
> -       $(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
> +TEST_GEN_PROGS = basic_cpu_opv_test
> 
> include ../lib.mk
> 
> -clean:
> -       $(RM) $(TESTS)
> +$(TEST_GEN_PROGS): cpu-op.c cpu-op.h
> diff --git a/tools/testing/selftests/rseq/Makefile
> b/tools/testing/selftests/rseq/Makefile
> index 7f0153556b80..7f625147b7fe 100644
> --- a/tools/testing/selftests/rseq/Makefile
> +++ b/tools/testing/selftests/rseq/Makefile
> @@ -1,13 +1,8 @@
> CFLAGS += -O2 -Wall -g -I./ -I../cpu-opv/ -I../../../../usr/include/
> -LDFLAGS += -lpthread
> +LDLIBS += -lpthread
> 
> -TESTS = basic_test basic_percpu_ops_test param_test
> -
> -all: $(TESTS)
> -%: %.c rseq.h rseq-*.h rseq.c ../cpu-opv/cpu-op.c ../cpu-opv/cpu-op.h
> -       $(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
> +TEST_GEN_PROGS = basic_test basic_percpu_ops_test param_test
> 
> include ../lib.mk
> 
> -clean:
> -       $(RM) $(TESTS)
> +$(TEST_GEN_PROGS): rseq.h rseq-*.h rseq.c ../cpu-opv/cpu-op.c
> ../cpu-opv/cpu-op.h

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com

  reply	other threads:[~2017-10-17 13:48 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-12 23:03 [RFC PATCH v9 for 4.15 00/14] Restartable sequences and CPU op vector system calls Mathieu Desnoyers
2017-10-12 23:03 ` [RFC PATCH v9 for 4.15 01/14] Restartable sequences system call Mathieu Desnoyers
2017-10-13  0:36   ` Linus Torvalds
2017-10-13  9:35     ` Ben Maurer
2017-10-13 18:30       ` Linus Torvalds
2017-10-13 20:54         ` Paul E. McKenney
2017-10-13 21:05           ` Linus Torvalds
2017-10-13 21:21             ` Paul E. McKenney
2017-10-13 21:36             ` Mathieu Desnoyers
2017-10-16 16:04               ` Carlos O'Donell
2017-10-16 16:46                 ` Andi Kleen
2017-10-16 22:17                   ` Mathieu Desnoyers
2017-10-17 16:19                     ` Ben Maurer
2017-10-17 16:33                       ` Mathieu Desnoyers
2017-10-17 16:41                         ` Ben Maurer
2017-10-17 17:48                           ` Mathieu Desnoyers
2017-10-18  6:22                       ` Greg KH
2017-10-18 16:28                         ` Mathieu Desnoyers
2017-10-14  3:01         ` Andi Kleen
2017-10-14  4:05           ` Linus Torvalds
2017-10-14 11:37             ` Mathieu Desnoyers
2017-10-13 12:50   ` Florian Weimer
2017-10-13 13:40     ` Mathieu Desnoyers
2017-10-13 13:56       ` Florian Weimer
2017-10-13 14:27         ` Mathieu Desnoyers
2017-10-13 17:24           ` Andy Lutomirski
2017-10-13 17:53             ` Florian Weimer
2017-10-13 18:17               ` Andy Lutomirski
2017-10-14 11:53                 ` Mathieu Desnoyers
2017-10-18 16:41   ` Ben Maurer
2017-10-18 18:11     ` Mathieu Desnoyers
2017-10-19 11:35       ` Mathieu Desnoyers
2017-10-19 17:01         ` Florian Weimer
2017-10-23 17:30       ` Ben Maurer
2017-10-23 20:44         ` Mathieu Desnoyers
2017-10-12 23:03 ` [RFC PATCH for 4.15 02/14] tracing: instrument restartable sequences Mathieu Desnoyers
2017-10-12 23:03 ` [RFC PATCH for 4.15 03/14] Restartable sequences: ARM 32 architecture support Mathieu Desnoyers
2017-10-12 23:03 ` [RFC PATCH for 4.15 04/14] Restartable sequences: wire up ARM 32 system call Mathieu Desnoyers
2017-10-12 23:03 ` [RFC PATCH for 4.15 05/14] Restartable sequences: x86 32/64 architecture support Mathieu Desnoyers
2017-10-12 23:03 ` [RFC PATCH for 4.15 06/14] Restartable sequences: wire up x86 32/64 system call Mathieu Desnoyers
2017-10-12 23:03 ` [RFC PATCH for 4.15 07/14] Restartable sequences: powerpc architecture support Mathieu Desnoyers
2017-10-12 23:03 ` [RFC PATCH for 4.15 08/14] Restartable sequences: Wire up powerpc system call Mathieu Desnoyers
2017-10-12 23:03 ` [RFC PATCH for 4.15 09/14] Provide cpu_opv " Mathieu Desnoyers
2017-10-13 13:57   ` Alan Cox
2017-10-13 14:50     ` Mathieu Desnoyers
2017-10-14 14:22       ` Mathieu Desnoyers
2017-10-13 17:20   ` Andy Lutomirski
2017-10-14  2:50   ` Andi Kleen
2017-10-14 13:35     ` Mathieu Desnoyers
2017-10-12 23:03 ` [RFC PATCH for 4.15 10/14] cpu_opv: Wire up x86 32/64 " Mathieu Desnoyers
2017-10-12 23:03 ` [RFC PATCH for 4.15 11/14] cpu_opv: Wire up powerpc " Mathieu Desnoyers
2017-10-12 23:03 ` [RFC PATCH for 4.15 12/14] cpu_opv: Wire up ARM32 " Mathieu Desnoyers
2017-10-12 23:03 ` [RFC PATCH for 4.15 13/14] cpu_opv: Implement selftests Mathieu Desnoyers
2017-10-12 23:03 ` [RFC PATCH for 4.15 14/14] Restartable sequences: Provide self-tests Mathieu Desnoyers
2017-10-16  2:51   ` Michael Ellerman
2017-10-16 14:23     ` Mathieu Desnoyers
2017-10-17 10:38       ` Michael Ellerman
2017-10-17 13:50         ` Mathieu Desnoyers
2017-10-16 18:50     ` Mathieu Desnoyers
2017-10-17 10:36       ` Michael Ellerman
2017-10-17 13:50         ` Mathieu Desnoyers [this message]
2017-10-18  5:45           ` Michael Ellerman
2017-10-16  3:00   ` Michael Ellerman
2017-10-16  3:48     ` Boqun Feng
2017-10-16 11:48       ` Michael Ellerman

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