Messages in this thread | | | Subject | Re: Linux 4.15-rc3 (uml + bpf_perf_event.h) | From | Randy Dunlap <> | Date | Mon, 11 Dec 2017 09:27:40 -0800 |
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On 12/11/2017 02:19 AM, Daniel Borkmann wrote: > Hi Randy, hi Richard, [ +Hendrik for c895f6f703ad7dd2f ] > > On 12/11/2017 09:32 AM, Richard Weinberger wrote: >> Randy, >> >> Am Montag, 11. Dezember 2017, 03:42:12 CET schrieb Randy Dunlap: >>> On 12/10/2017 06:08 PM, Linus Torvalds wrote: >>>> Another week, another rc. >>> >>> um (uml) won't build on i386 or x86_64: >>> >>> CC init/main.o >>> In file included from ../include/linux/perf_event.h:18:0, >>> from ../include/linux/trace_events.h:10, >>> from ../include/trace/syscall.h:7, >>> from ../include/linux/syscalls.h:82, >>> from ../init/main.c:20: >>> ../include/uapi/linux/bpf_perf_event.h:11:32: fatal error: >>> asm/bpf_perf_event.h: No such file or directory #include >>> <asm/bpf_perf_event.h> >>> ^ >>> compilation terminated. >>> ../scripts/Makefile.build:310: recipe for target 'init/main.o' failed >> >> How do you trigger that build failure? >> Can you share your .config?
Richard, it's just defconfig on both i386 and x86_64.
> Hmm, too bad kbuild bot doesn't catch issues on uml. I'm not too familiar > with uml, but looks like it's the only special case where there's no > arch/um/include/uapi/asm/. What is the usual convention to pull in such > headers in this case? Something like the below, would that fix it for you? > > Thanks for your help, > Daniel
Yes, that patch works. Thanks.
> arch/um/include/asm/bpf_perf_event.h | 1 + > include/asm-generic/bpf_perf_event.h | 1 + > 2 files changed, 2 insertions(+) > create mode 100644 arch/um/include/asm/bpf_perf_event.h > create mode 100644 include/asm-generic/bpf_perf_event.h > > diff --git a/arch/um/include/asm/bpf_perf_event.h b/arch/um/include/asm/bpf_perf_event.h > new file mode 100644 > index 0000000..3097758 > --- /dev/null > +++ b/arch/um/include/asm/bpf_perf_event.h > @@ -0,0 +1 @@ > +#include <asm-generic/bpf_perf_event.h> > diff --git a/include/asm-generic/bpf_perf_event.h b/include/asm-generic/bpf_perf_event.h > new file mode 100644 > index 0000000..67112e5 > --- /dev/null > +++ b/include/asm-generic/bpf_perf_event.h > @@ -0,0 +1 @@ > +#include <uapi/asm-generic/bpf_perf_event.h> >
-- ~Randy
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