Messages in this thread | | | From | Arnaldo Carvalho de Melo <> | Date | Tue, 21 May 2019 10:28:38 -0300 | Subject | Re: [PATCH] perf arm64: Fix mksyscalltbl when system kernel headers are ahead of the kernel |
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Em Tue, May 21, 2019 at 06:02:03AM +0300, Vitaly Chikunov escreveu: > When a host system has kernel headers that are newer than a compiling > kernel, mksyscalltbl fails with errors such as: > > <stdin>: In function 'main': > <stdin>:271:44: error: '__NR_kexec_file_load' undeclared (first use in this function) > <stdin>:271:44: note: each undeclared identifier is reported only once for each function it appears in > <stdin>:272:46: error: '__NR_pidfd_send_signal' undeclared (first use in this function) > <stdin>:273:43: error: '__NR_io_uring_setup' undeclared (first use in this function) > <stdin>:274:43: error: '__NR_io_uring_enter' undeclared (first use in this function) > <stdin>:275:46: error: '__NR_io_uring_register' undeclared (first use in this function) > tools/perf/arch/arm64/entry/syscalls//mksyscalltbl: line 48: /tmp/create-table-xvUQdD: Permission denied > > mksyscalltbl is compiled with default host includes, but run with
It shouldn't :-\ So with this you're making it use the ones shipped in tools/include? Good, I'll test it, thanks!
- Arnaldo
> compiling kernel tree includes, causing some syscall numbers being > undeclared. > > Signed-off-by: Vitaly Chikunov <vt@altlinux.org> > Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> > Cc: Arnaldo Carvalho de Melo <acme@kernel.org> > Cc: Hendrik Brueckner <brueckner@linux.ibm.com> > Cc: Ingo Molnar <mingo@redhat.com> > Cc: Jiri Olsa <jolsa@redhat.com> > Cc: Kim Phillips <kim.phillips@arm.com> > Cc: Namhyung Kim <namhyung@kernel.org> > Cc: Peter Zijlstra <peterz@infradead.org> > Cc: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> > --- > tools/perf/arch/arm64/entry/syscalls/mksyscalltbl | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl b/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl > index c88fd32563eb..459469b7222c 100755 > --- a/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl > +++ b/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl > @@ -56,7 +56,7 @@ create_table() > echo "};" > } > > -$gcc -E -dM -x c $input \ > +$gcc -E -dM -x c -I $incpath/include/uapi $input \ > |sed -ne 's/^#define __NR_//p' \ > |sort -t' ' -k2 -nu \ > |create_table > -- > 2.11.0
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- Arnaldo
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