Catalin Marinas <catalin.marinas@xxxxxxx> writes: > On Thu, Feb 27, 2020 at 06:33:14AM +0800, kbuild test robot wrote: >> url: https://github.com/0day-ci/linux/commits/Catalin-Marinas/arm64-Memory-Tagging-Extension-user-space-support/20200227-041230 >> base: https://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git for-next >> config: x86_64-defconfig (attached as .config) >> compiler: gcc-7 (Debian 7.5.0-5) 7.5.0 >> reproduce: >> # save the attached .config to linux build tree >> make ARCH=x86_64 >> >> If you fix the issue, kindly add following tag >> Reported-by: kbuild test robot <lkp@xxxxxxxxx> >> >> All error/warnings (new ones prefixed by >>): >> >> In file included from include/linux/export.h:43:0, >> from include/linux/linkage.h:7, >> from arch/x86/include/asm/cache.h:5, >> from include/linux/cache.h:6, >> from include/linux/time.h:5, >> from include/linux/compat.h:10, >> from arch/x86/kernel/signal_compat.c:2: >> In function 'signal_compat_build_tests', >> inlined from 'sigaction_compat_abi' at arch/x86/kernel/signal_compat.c:166:2: >> >> include/linux/compiler.h:350:38: error: call to '__compiletime_assert_30' declared with attribute error: BUILD_BUG_ON failed: NSIGSEGV != 7 > > I haven't realised that x86 has a build check for NSIGSEGV. I'll fold in > the diff below (there are no new fields added to siginfo, so no other > changes necessary): Yes. That looks good. Acked-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx> > diff --git a/arch/x86/kernel/signal_compat.c b/arch/x86/kernel/signal_compat.c > index 9ccbf0576cd0..a7f3e12cfbdb 100644 > --- a/arch/x86/kernel/signal_compat.c > +++ b/arch/x86/kernel/signal_compat.c > @@ -27,7 +27,7 @@ static inline void signal_compat_build_tests(void) > */ > BUILD_BUG_ON(NSIGILL != 11); > BUILD_BUG_ON(NSIGFPE != 15); > - BUILD_BUG_ON(NSIGSEGV != 7); > + BUILD_BUG_ON(NSIGSEGV != 9); > BUILD_BUG_ON(NSIGBUS != 5); > BUILD_BUG_ON(NSIGTRAP != 5); > BUILD_BUG_ON(NSIGCHLD != 6);
