Re: membarrier selftest issue
- On Jun 17, 2015, at 12:56 AM, Pranith Kumar bobby.pr...@gmail.com wrote: > Hi Mathieu, > > On Mon, Jun 15, 2015 at 11:31 AM, Mathieu Desnoyers > wrote: >> Hi, >> >> The updated membarrier tree: >> https://github.com/compudj/linux-dev >> branch: sys-membarrier-volatile >> >> has an issue building selftests (make -C tools/testing/selftests) >> >> It appears that including linux/membarrier.h from those userspace >> tests now fails (as of 4.1-rc8). Of course, my system does not have >> the updated userspace headers installed. What is the right course >> of action there ? >> > > This somehow is working for me. Did you install the kernel? I am on > debian and I had to install kernel+headers+libc for this to work. pmu > tests did not work due to missing headers but membarrier and memfd did > work. It's the make headers_install part I forgot. I mistakenly thought that the kernel self-tests would build against the in-tree headers rather than the system headers. This is how userspace projects I know of are usually designed. Thanks, Mathieu > > pranith@macmini:~/linux$ make -C tools/testing/selftests > make: Entering directory '/home/pranith/linux/tools/testing/selftests' > for TARGET in breakpoints cpu-hotplug efivarfs exec firmware ftrace > kcmp membarrier memfd memory-hotplug mount mqueue net powerpc ptrace > size sysctl timers user vm x86; do \ >make -C $TARGET; \ > done; > make[1]: Entering directory > '/home/pranith/linux/tools/testing/selftests/breakpoints' > echo "Not an x86 target, can't build breakpoints selftests" > Not an x86 target, can't build breakpoints selftests > make[1]: Leaving directory > '/home/pranith/linux/tools/testing/selftests/breakpoints' > make[1]: Entering directory > '/home/pranith/linux/tools/testing/selftests/cpu-hotplug' > make[1]: Nothing to be done for 'all'. > make[1]: Leaving directory > '/home/pranith/linux/tools/testing/selftests/cpu-hotplug' > make[1]: Entering directory > '/home/pranith/linux/tools/testing/selftests/efivarfs' > gcc -Wallopen-unlink.c -o open-unlink > gcc -Wallcreate-read.c -o create-read > make[1]: Leaving directory > '/home/pranith/linux/tools/testing/selftests/efivarfs' > make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/exec' > gcc -Wall -o execveat execveat.c > ln -s -f execveat execveat.symlink > cp execveat execveat.denatured > chmod -x execveat.denatured > echo '#!/bin/sh' > script > echo 'exit $*' >> script > chmod +x script > mkdir -p subdir > make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/exec' > make[1]: Entering directory > '/home/pranith/linux/tools/testing/selftests/firmware' > make[1]: Nothing to be done for 'all'. > make[1]: Leaving directory > '/home/pranith/linux/tools/testing/selftests/firmware' > make[1]: Entering directory > '/home/pranith/linux/tools/testing/selftests/ftrace' > make[1]: Nothing to be done for 'all'. > make[1]: Leaving directory > '/home/pranith/linux/tools/testing/selftests/ftrace' > make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/kcmp' > gcc -I../../../../usr/include/kcmp_test.c -o kcmp_test > make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/kcmp' > make[1]: Entering directory > '/home/pranith/linux/tools/testing/selftests/membarrier' > gcc -g -I../../../../usr/include/ membarrier_test.c -o membarrier_test > make[1]: Leaving directory > '/home/pranith/linux/tools/testing/selftests/membarrier' > make[1]: Entering directory > '/home/pranith/linux/tools/testing/selftests/memfd' > gcc -D_FILE_OFFSET_BITS=64 -I../../../../include/uapi/ > -I../../../../include/ -I../../../../usr/include/ memfd_test.c -o > memfd_test > make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/memfd' > make[1]: Entering directory > '/home/pranith/linux/tools/testing/selftests/memory-hotplug' > make[1]: Nothing to be done for 'all'. > make[1]: Leaving directory > '/home/pranith/linux/tools/testing/selftests/memory-hotplug' > make[1]: Entering directory > '/home/pranith/linux/tools/testing/selftests/mount' > gcc -Wall -O2 unprivileged-remount-test.c -o unprivileged-remount-test > make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/mount' > make[1]: Entering directory > '/home/pranith/linux/tools/testing/selftests/mqueue' > gcc -O2 mq_open_tests.c -o mq_open_tests -lrt > gcc -O2 -o mq_perf_tests mq_perf_tests.c -lrt -lpthread -lpopt > mq_perf_tests.c:39:18: fatal error: popt.h: No such file or directory > #include > ^ > compilation terminated. > Makefile:4: recipe for target 'all' failed > make[1]: *** [all] Error 1 > make[1]: Leaving directory > '/home/pranith/linux/tools/testing/selftests/mqueue' > make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/net' > gcc -Wall -O2 -g -I../../../../usr/include/ -o socket socket.c > gcc -Wall -O2 -g -I../../../../usr/include/ -o psock_fanout psock_fanout.c > gcc -Wall -O2 -g
Re: membarrier selftest issue
- On Jun 17, 2015, at 12:56 AM, Pranith Kumar bobby.pr...@gmail.com wrote: Hi Mathieu, On Mon, Jun 15, 2015 at 11:31 AM, Mathieu Desnoyers mathieu.desnoy...@efficios.com wrote: Hi, The updated membarrier tree: https://github.com/compudj/linux-dev branch: sys-membarrier-volatile has an issue building selftests (make -C tools/testing/selftests) It appears that including linux/membarrier.h from those userspace tests now fails (as of 4.1-rc8). Of course, my system does not have the updated userspace headers installed. What is the right course of action there ? This somehow is working for me. Did you install the kernel? I am on debian and I had to install kernel+headers+libc for this to work. pmu tests did not work due to missing headers but membarrier and memfd did work. It's the make headers_install part I forgot. I mistakenly thought that the kernel self-tests would build against the in-tree headers rather than the system headers. This is how userspace projects I know of are usually designed. Thanks, Mathieu pranith@macmini:~/linux$ make -C tools/testing/selftests make: Entering directory '/home/pranith/linux/tools/testing/selftests' for TARGET in breakpoints cpu-hotplug efivarfs exec firmware ftrace kcmp membarrier memfd memory-hotplug mount mqueue net powerpc ptrace size sysctl timers user vm x86; do \ make -C $TARGET; \ done; make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/breakpoints' echo Not an x86 target, can't build breakpoints selftests Not an x86 target, can't build breakpoints selftests make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/breakpoints' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/cpu-hotplug' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/cpu-hotplug' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/efivarfs' gcc -Wallopen-unlink.c -o open-unlink gcc -Wallcreate-read.c -o create-read make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/efivarfs' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/exec' gcc -Wall -o execveat execveat.c ln -s -f execveat execveat.symlink cp execveat execveat.denatured chmod -x execveat.denatured echo '#!/bin/sh' script echo 'exit $*' script chmod +x script mkdir -p subdir make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/exec' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/firmware' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/firmware' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/ftrace' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/ftrace' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/kcmp' gcc -I../../../../usr/include/kcmp_test.c -o kcmp_test make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/kcmp' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/membarrier' gcc -g -I../../../../usr/include/ membarrier_test.c -o membarrier_test make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/membarrier' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/memfd' gcc -D_FILE_OFFSET_BITS=64 -I../../../../include/uapi/ -I../../../../include/ -I../../../../usr/include/ memfd_test.c -o memfd_test make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/memfd' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/memory-hotplug' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/memory-hotplug' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/mount' gcc -Wall -O2 unprivileged-remount-test.c -o unprivileged-remount-test make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/mount' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/mqueue' gcc -O2 mq_open_tests.c -o mq_open_tests -lrt gcc -O2 -o mq_perf_tests mq_perf_tests.c -lrt -lpthread -lpopt mq_perf_tests.c:39:18: fatal error: popt.h: No such file or directory #include popt.h ^ compilation terminated. Makefile:4: recipe for target 'all' failed make[1]: *** [all] Error 1 make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/mqueue' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/net' gcc -Wall -O2 -g -I../../../../usr/include/ -o socket socket.c gcc -Wall -O2 -g -I../../../../usr/include/ -o psock_fanout psock_fanout.c gcc -Wall -O2 -g -I../../../../usr/include/ -o psock_tpacket psock_tpacket.c make[1]: Leaving directory
Re: membarrier selftest issue
Hi Mathieu, On Mon, Jun 15, 2015 at 11:31 AM, Mathieu Desnoyers wrote: > Hi, > > The updated membarrier tree: > https://github.com/compudj/linux-dev > branch: sys-membarrier-volatile > > has an issue building selftests (make -C tools/testing/selftests) > > It appears that including linux/membarrier.h from those userspace > tests now fails (as of 4.1-rc8). Of course, my system does not have > the updated userspace headers installed. What is the right course > of action there ? > This somehow is working for me. Did you install the kernel? I am on debian and I had to install kernel+headers+libc for this to work. pmu tests did not work due to missing headers but membarrier and memfd did work. pranith@macmini:~/linux$ make -C tools/testing/selftests make: Entering directory '/home/pranith/linux/tools/testing/selftests' for TARGET in breakpoints cpu-hotplug efivarfs exec firmware ftrace kcmp membarrier memfd memory-hotplug mount mqueue net powerpc ptrace size sysctl timers user vm x86; do \ make -C $TARGET; \ done; make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/breakpoints' echo "Not an x86 target, can't build breakpoints selftests" Not an x86 target, can't build breakpoints selftests make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/breakpoints' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/cpu-hotplug' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/cpu-hotplug' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/efivarfs' gcc -Wallopen-unlink.c -o open-unlink gcc -Wallcreate-read.c -o create-read make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/efivarfs' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/exec' gcc -Wall -o execveat execveat.c ln -s -f execveat execveat.symlink cp execveat execveat.denatured chmod -x execveat.denatured echo '#!/bin/sh' > script echo 'exit $*' >> script chmod +x script mkdir -p subdir make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/exec' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/firmware' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/firmware' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/ftrace' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/ftrace' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/kcmp' gcc -I../../../../usr/include/kcmp_test.c -o kcmp_test make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/kcmp' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/membarrier' gcc -g -I../../../../usr/include/ membarrier_test.c -o membarrier_test make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/membarrier' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/memfd' gcc -D_FILE_OFFSET_BITS=64 -I../../../../include/uapi/ -I../../../../include/ -I../../../../usr/include/ memfd_test.c -o memfd_test make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/memfd' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/memory-hotplug' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/memory-hotplug' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/mount' gcc -Wall -O2 unprivileged-remount-test.c -o unprivileged-remount-test make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/mount' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/mqueue' gcc -O2 mq_open_tests.c -o mq_open_tests -lrt gcc -O2 -o mq_perf_tests mq_perf_tests.c -lrt -lpthread -lpopt mq_perf_tests.c:39:18: fatal error: popt.h: No such file or directory #include ^ compilation terminated. Makefile:4: recipe for target 'all' failed make[1]: *** [all] Error 1 make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/mqueue' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/net' gcc -Wall -O2 -g -I../../../../usr/include/ -o socket socket.c gcc -Wall -O2 -g -I../../../../usr/include/ -o psock_fanout psock_fanout.c gcc -Wall -O2 -g -I../../../../usr/include/ -o psock_tpacket psock_tpacket.c make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/net' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/powerpc' make -k -C pmu all make[2]: Entering directory '/home/pranith/linux/tools/testing/selftests/powerpc/pmu' gcc -Wall -O2 -flto -Wall -Werror -DGIT_VERSION='"v4.1-rc8-3-g9ab055c-dirty"' -I/home/pranith/linux/tools/testing/selftests/powerpc -m64 -o count_instructions loop.S count_instructions.c ../harness.c event.c lib.c In file
Re: membarrier selftest issue
Hi Mathieu, On Mon, Jun 15, 2015 at 11:31 AM, Mathieu Desnoyers mathieu.desnoy...@efficios.com wrote: Hi, The updated membarrier tree: https://github.com/compudj/linux-dev branch: sys-membarrier-volatile has an issue building selftests (make -C tools/testing/selftests) It appears that including linux/membarrier.h from those userspace tests now fails (as of 4.1-rc8). Of course, my system does not have the updated userspace headers installed. What is the right course of action there ? This somehow is working for me. Did you install the kernel? I am on debian and I had to install kernel+headers+libc for this to work. pmu tests did not work due to missing headers but membarrier and memfd did work. pranith@macmini:~/linux$ make -C tools/testing/selftests make: Entering directory '/home/pranith/linux/tools/testing/selftests' for TARGET in breakpoints cpu-hotplug efivarfs exec firmware ftrace kcmp membarrier memfd memory-hotplug mount mqueue net powerpc ptrace size sysctl timers user vm x86; do \ make -C $TARGET; \ done; make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/breakpoints' echo Not an x86 target, can't build breakpoints selftests Not an x86 target, can't build breakpoints selftests make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/breakpoints' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/cpu-hotplug' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/cpu-hotplug' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/efivarfs' gcc -Wallopen-unlink.c -o open-unlink gcc -Wallcreate-read.c -o create-read make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/efivarfs' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/exec' gcc -Wall -o execveat execveat.c ln -s -f execveat execveat.symlink cp execveat execveat.denatured chmod -x execveat.denatured echo '#!/bin/sh' script echo 'exit $*' script chmod +x script mkdir -p subdir make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/exec' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/firmware' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/firmware' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/ftrace' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/ftrace' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/kcmp' gcc -I../../../../usr/include/kcmp_test.c -o kcmp_test make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/kcmp' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/membarrier' gcc -g -I../../../../usr/include/ membarrier_test.c -o membarrier_test make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/membarrier' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/memfd' gcc -D_FILE_OFFSET_BITS=64 -I../../../../include/uapi/ -I../../../../include/ -I../../../../usr/include/ memfd_test.c -o memfd_test make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/memfd' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/memory-hotplug' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/memory-hotplug' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/mount' gcc -Wall -O2 unprivileged-remount-test.c -o unprivileged-remount-test make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/mount' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/mqueue' gcc -O2 mq_open_tests.c -o mq_open_tests -lrt gcc -O2 -o mq_perf_tests mq_perf_tests.c -lrt -lpthread -lpopt mq_perf_tests.c:39:18: fatal error: popt.h: No such file or directory #include popt.h ^ compilation terminated. Makefile:4: recipe for target 'all' failed make[1]: *** [all] Error 1 make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/mqueue' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/net' gcc -Wall -O2 -g -I../../../../usr/include/ -o socket socket.c gcc -Wall -O2 -g -I../../../../usr/include/ -o psock_fanout psock_fanout.c gcc -Wall -O2 -g -I../../../../usr/include/ -o psock_tpacket psock_tpacket.c make[1]: Leaving directory '/home/pranith/linux/tools/testing/selftests/net' make[1]: Entering directory '/home/pranith/linux/tools/testing/selftests/powerpc' make -k -C pmu all make[2]: Entering directory '/home/pranith/linux/tools/testing/selftests/powerpc/pmu' gcc -Wall -O2 -flto -Wall -Werror -DGIT_VERSION='v4.1-rc8-3-g9ab055c-dirty' -I/home/pranith/linux/tools/testing/selftests/powerpc -m64 -o count_instructions loop.S count_instructions.c ../harness.c event.c lib.c
membarrier selftest issue
Hi, The updated membarrier tree: https://github.com/compudj/linux-dev branch: sys-membarrier-volatile has an issue building selftests (make -C tools/testing/selftests) It appears that including linux/membarrier.h from those userspace tests now fails (as of 4.1-rc8). Of course, my system does not have the updated userspace headers installed. What is the right course of action there ? [...] gcc -I../../../../usr/include/kcmp_test.c -o kcmp_test kcmp_test.c:13:24: fatal error: linux/kcmp.h: No such file or directory #include ^ compilation terminated. make[1]: *** [kcmp_test] Error 1 make[1]: Leaving directory `/home/efficios/git/linux-dev/tools/testing/selftests/kcmp' make[1]: Entering directory `/home/efficios/git/linux-dev/tools/testing/selftests/membarrier' gcc -g -I../../../../usr/include/ membarrier_test.c -o membarrier_test membarrier_test.c:4:30: fatal error: linux/membarrier.h: No such file or directory #include ^ compilation terminated. make[1]: *** [all] Error 1 make[1]: Leaving directory `/home/efficios/git/linux-dev/tools/testing/selftests/membarrier' make[1]: Entering directory `/home/efficios/git/linux-dev/tools/testing/selftests/memfd' gcc -D_FILE_OFFSET_BITS=64 -I../../../../include/uapi/ -I../../../../include/ -I../../../../usr/include/ memfd_test.c -o memfd_test memfd_test.c: In function ‘sys_memfd_create’: memfd_test.c:26:17: error: ‘__NR_memfd_create’ undeclared (first use in this function) return syscall(__NR_memfd_create, name, flags); ^ memfd_test.c:26:17: note: each undeclared identifier is reported only once for each function it appears Thanks, Mathieu -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
membarrier selftest issue
Hi, The updated membarrier tree: https://github.com/compudj/linux-dev branch: sys-membarrier-volatile has an issue building selftests (make -C tools/testing/selftests) It appears that including linux/membarrier.h from those userspace tests now fails (as of 4.1-rc8). Of course, my system does not have the updated userspace headers installed. What is the right course of action there ? [...] gcc -I../../../../usr/include/kcmp_test.c -o kcmp_test kcmp_test.c:13:24: fatal error: linux/kcmp.h: No such file or directory #include linux/kcmp.h ^ compilation terminated. make[1]: *** [kcmp_test] Error 1 make[1]: Leaving directory `/home/efficios/git/linux-dev/tools/testing/selftests/kcmp' make[1]: Entering directory `/home/efficios/git/linux-dev/tools/testing/selftests/membarrier' gcc -g -I../../../../usr/include/ membarrier_test.c -o membarrier_test membarrier_test.c:4:30: fatal error: linux/membarrier.h: No such file or directory #include linux/membarrier.h ^ compilation terminated. make[1]: *** [all] Error 1 make[1]: Leaving directory `/home/efficios/git/linux-dev/tools/testing/selftests/membarrier' make[1]: Entering directory `/home/efficios/git/linux-dev/tools/testing/selftests/memfd' gcc -D_FILE_OFFSET_BITS=64 -I../../../../include/uapi/ -I../../../../include/ -I../../../../usr/include/ memfd_test.c -o memfd_test memfd_test.c: In function ‘sys_memfd_create’: memfd_test.c:26:17: error: ‘__NR_memfd_create’ undeclared (first use in this function) return syscall(__NR_memfd_create, name, flags); ^ memfd_test.c:26:17: note: each undeclared identifier is reported only once for each function it appears Thanks, Mathieu -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
