Messages in this thread | | | Date | Wed, 15 Apr 2020 08:19:48 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH 4/8] binfmt_elf: open code copy_siginfo_to_user to kernelspace buffer |
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On Wed, Apr 15, 2020 at 01:01:59PM +1000, Michael Ellerman wrote: > > + to_compat_siginfo(csigdata, siginfo, compat_siginfo_flags()); \ > > + fill_note(note, "CORE", NT_SIGINFO, sizeof(*csigdata), csigdata); \ > > +} while (0) > > This doesn't build on ppc (cell_defconfig): > > ../fs/binfmt_elf.c: In function 'fill_note_info': > ../fs/compat_binfmt_elf.c:44:39: error: implicit declaration of function 'compat_siginfo_flags'; did you mean 'to_compat_siginfo'? [-Werror=implicit-function-d > eclaration] > to_compat_siginfo(csigdata, siginfo, compat_siginfo_flags()); \ > ^~~~~~~~~~~~~~~~~~~~ > ../fs/binfmt_elf.c:1846:2: note: in expansion of macro 'fill_siginfo_note' > fill_siginfo_note(&info->signote, &info->csigdata, siginfo); > ^~~~~~~~~~~~~~~~~ > cc1: some warnings being treated as errors > make[2]: *** [../scripts/Makefile.build:266: fs/compat_binfmt_elf.o] Error 1 > > > I guess the empty version from kernel/signal.c needs to move into a > header somewhere.
Yes, it should. Odd that the buildbut hasn't complained yet so far..
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