Messages in this thread Patch in this message | | | From | Andy Lutomirski <> | Subject | [PATCH 5/6] selftests/x86/syscall_nt: Clear weird flags after each test | Date | Fri, 26 Jun 2020 10:21:15 -0700 |
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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> --- 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 f060534b66a0..5fc82b9cebed 100644 --- a/tools/testing/selftests/x86/syscall_nt.c +++ b/tools/testing/selftests/x86/syscall_nt.c @@ -59,6 +59,7 @@ 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 { -- 2.25.4
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