selftests/x86/syscall_nt: Clear weird flags after each test

[ Upstream commit a61fa2799ef9bf6c4f54cf7295036577cececc72 ]

Clear the weird flags before logging to improve strace output --
logging results while, say, TF is set does no one any favors.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/907bfa5a42d4475b8245e18b67a04b13ca51ffdb.1593191971.git.luto@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/tools/testing/selftests/x86/syscall_nt.c b/tools/testing/selftests/x86/syscall_nt.c
index 43fcab367fb0a243c2b96703f3ef91bc323aa806..74e6b3fc2d09e8c50fa1ab02f08c463c543879f0 100644 (file)
--- a/tools/testing/selftests/x86/syscall_nt.c
+++ b/tools/testing/selftests/x86/syscall_nt.c
@@ -67,6 +67,7 @@ static void do_it(unsigned long extraflags)
        set_eflags(get_eflags() | extraflags);
        syscall(SYS_getpid);
        flags = get_eflags();
+       set_eflags(X86_EFLAGS_IF | X86_EFLAGS_FIXED);
        if ((flags & extraflags) == extraflags) {
                printf("[OK]\tThe syscall worked and flags are still set\n");
        } else {