The following commit has been merged into the x86/urgent branch of tip: Commit-ID: e4ef7de160c6b12639c4fc49bcacb25b860ac76d Gitweb: https://git.kernel.org/tip/e4ef7de160c6b12639c4fc49bcacb25b860ac76d Author: Andy Lutomirski <[email protected]> AuthorDate: Fri, 26 Jun 2020 10:21:14 -07:00 Committer: Thomas Gleixner <[email protected]> CommitterDate: Wed, 01 Jul 2020 10:00:26 +02:00
selftests/x86/syscall_nt: Add more flag combinations Add EFLAGS.AC to the mix. Signed-off-by: Andy Lutomirski <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Link: https://lkml.kernel.org/r/12924e2fe2c5826568b7fc9436d85ca7f5eb1743.1593191971.git.l...@kernel.org --- tools/testing/selftests/x86/syscall_nt.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/tools/testing/selftests/x86/syscall_nt.c b/tools/testing/selftests/x86/syscall_nt.c index 02309a1..f060534 100644 --- a/tools/testing/selftests/x86/syscall_nt.c +++ b/tools/testing/selftests/x86/syscall_nt.c @@ -73,6 +73,12 @@ int main(void) printf("[RUN]\tSet NT and issue a syscall\n"); do_it(X86_EFLAGS_NT); + printf("[RUN]\tSet AC and issue a syscall\n"); + do_it(X86_EFLAGS_AC); + + printf("[RUN]\tSet NT|AC and issue a syscall\n"); + do_it(X86_EFLAGS_NT | X86_EFLAGS_AC); + /* * Now try it again with TF set -- TF forces returns via IRET in all * cases except non-ptregs-using 64-bit full fast path syscalls. @@ -80,8 +86,17 @@ int main(void) sethandler(SIGTRAP, sigtrap, 0); + printf("[RUN]\tSet TF and issue a syscall\n"); + do_it(X86_EFLAGS_TF); + printf("[RUN]\tSet NT|TF and issue a syscall\n"); do_it(X86_EFLAGS_NT | X86_EFLAGS_TF); + printf("[RUN]\tSet AC|TF and issue a syscall\n"); + do_it(X86_EFLAGS_AC | X86_EFLAGS_TF); + + printf("[RUN]\tSet NT|AC|TF and issue a syscall\n"); + do_it(X86_EFLAGS_NT | X86_EFLAGS_AC | X86_EFLAGS_TF); + return nerrs == 0 ? 0 : 1; }
