(2014/11/22 6:03), Steven Rostedt wrote: > On Fri, 21 Nov 2014 05:25:37 -0500 > Masami Hiramatsu <masami.hiramatsu...@hitachi.com> wrote: > >> Add ftrace IPMODIFY flag test to selftest/ftrace. The >> test checks simple ftrace handler insertion and >> combinations of ftrace, kprobe, and jprobe. >> This test requires kernel build tree to build a test >> kernel module and root privilege to run. >> >> Signed-off-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com> >> >> --- > > Can you make it so that make O=/path/to/build works?
Hmm, I always use "O=builddir" option in my build script... > > I tried running this on my test box, which has /home/rostedt mounted > read only from my build box, and I get this: My case is just to keep the source tree clean, so source tree is still writable and builddir is under another directory in /home/<user>/. > [root@bxtest ftrace]# make O=/tmp > for TARGET in ipmodify; do \ > make -C $TARGET; \ > done; > make[1]: Entering directory > `/work/git/linux-trace.git/tools/testing/selftests/ftrace/ipmodify' > make -C /lib/modules/3.18.0-rc1-test+/build > M=/work/git/linux-trace.git/tools/testing/selftests/ftrace/ipmodify > ipmodify.ko > make[2]: Entering directory `/home/rostedt/work/git/nobackup/bxtest/trace' > CC [M] > /work/git/linux-trace.git/tools/testing/selftests/ftrace/ipmodify/ipmodify.o > /bin/sh: ./scripts/recordmcount: Permission denied Hmm, this error looks odd, not ENOENT but EPERM?? Could you run it again with V=1 ? Thank you, > make[5]: *** > [/work/git/linux-trace.git/tools/testing/selftests/ftrace/ipmodify/ipmodify.o] > Error 1 > make[4]: *** [ipmodify.ko] Error 2 > make[3]: *** [sub-make] Error 2 > make[2]: *** [__sub-make] Error 2 > make[2]: Leaving directory `/home/rostedt/work/git/nobackup/bxtest/trace' > make[1]: *** [ipmodify.ko] Error 2 > make[1]: Leaving directory > `/work/git/linux-trace.git/tools/testing/selftests/ftrace/ipmodify' > make: *** [all] Error 2 > > -- Steve > -- Masami HIRAMATSU Software Platform Research Dept. Linux Technology Research Center Hitachi, Ltd., Yokohama Research Laboratory E-mail: masami.hiramatsu...@hitachi.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/
