On Thu, Apr 11 2024 at 13:44, Mark Brown wrote: > On Sat, Apr 06, 2024 at 05:09:51PM +0200, Oleg Nesterov wrote: >> Thomas says: >> >> The signal distribution test has a tendency to hang for a long >> time as the signal delivery is not really evenly distributed. In >> fact it might never be distributed across all threads ever in >> the way it is written. >> >> To me even the >> >> This primarily tests that the kernel does not favour any one. > > Further to my previous mail it's also broken the arm64 selftest builds, > they use kselftest.h with nolibc in order to test low level > functionality mainly used by libc implementations and nolibc doesn't > implement uname(): > > In file included from za-fork.c:12: > ../../kselftest.h:433:17: error: variable has incomplete type 'struct utsname' > struct utsname info; > ^ > ../../kselftest.h:433:9: note: forward declaration of 'struct utsname' > struct utsname info; > ^ > ../../kselftest.h:435:6: error: call to undeclared function 'uname'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > if (uname(&info) || sscanf(info.release, "%u.%u.", &major, &minor) != 2) > ^ > ../../kselftest.h:435:22: error: call to undeclared function 'sscanf'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > if (uname(&info) || sscanf(info.release, "%u.%u.", &major, &minor) != 2) Grrr. Let me stare at this.
