809216233555 ("selftests/harness: remove use of LINE_MAX") introduced asprintf into kselftest_harness.h, which is a GNU extension and needs _GNU_SOURCE to either be defined prior to including headers or with the -D_GNU_SOURCE flag passed to the compiler.
Fixes: 809216233555 ("selftests/harness: remove use of LINE_MAX") Signed-off-by: Edward Liaw edliaw@google.com --- tools/testing/selftests/kvm/x86_64/fix_hypercall_test.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/kvm/x86_64/fix_hypercall_test.c b/tools/testing/selftests/kvm/x86_64/fix_hypercall_test.c index f3c2239228b1..7422e8ff6bd3 100644 --- a/tools/testing/selftests/kvm/x86_64/fix_hypercall_test.c +++ b/tools/testing/selftests/kvm/x86_64/fix_hypercall_test.c @@ -4,6 +4,8 @@ * * Tests for KVM paravirtual feature disablement */ +#define _GNU_SOURCE + #include <asm/kvm_para.h> #include <linux/kvm_para.h> #include <linux/stringify.h> -- 2.45.0.rc0.197.gbae5840b3b-goog