Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

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

Browse source 
[ 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>
This commit is contained in:
Andy Lutomirski 2020-06-26 10:21:15 -07:00 committed by Greg Kroah-Hartman
parent 4575845e9c
commit 511a287cb6
1 changed files with 1 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
tools/testing/selftests/x86/syscall_nt.c
View file

@ -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 {