From: Andy Lutomirski luto@kernel.org
[ 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.159319197... Signed-off-by: Sasha Levin sashal@kernel.org --- tools/testing/selftests/x86/syscall_nt.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/tools/testing/selftests/x86/syscall_nt.c b/tools/testing/selftests/x86/syscall_nt.c index 43fcab367fb0a..74e6b3fc2d09e 100644 --- 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 {