dprint_in_signal_buffer   24 tools/testing/selftests/x86/pkey-helpers.h extern char dprint_in_signal_buffer[DPRINT_IN_SIGNAL_BUF_SIZE];
dprint_in_signal_buffer   65 tools/testing/selftests/x86/protection_keys.c char dprint_in_signal_buffer[DPRINT_IN_SIGNAL_BUF_SIZE];