litmus-rt.git/tools/testing/selftests, branch master

tools selftests: Fix 'clean' target with make 3.81

2015-07-21T17:10:02+00:00

commit 60df4642a83546fa6ea8286f5094ce8c0906c3ec upstream.

Make 3.81 doesn't have the 'undefine' command. Using undefine
to clear LDFLAGS fails when make version 3.81 is used. Fix it
to use override to clear LDFLAGS.

Tested-by: Shuah Khan 
Cc: David Ahern 
Cc: Ingo Molnar 
Cc: Michael Ellerman 
Link: http://lkml.kernel.org/r/20150514151225.GH23588@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo 
Signed-off-by: Shuah Khan 
Cc: Sudip Mukherjee 
Signed-off-by: Greg Kroah-Hartman

x86/asm/entry/32, selftests: Add a selftest for kernel entries from VM86 mode

2015-05-30T08:21:32+00:00

Test a couple of special cases in 32-bit kernels for entries
from vm86 mode.  This will OOPS both old kernels due to a bug
and and 4.1-rc5 due to a regression I introduced, and it should
make sure that the SYSENTER-from-vm86-mode hack in the kernel
keeps working.

Signed-off-by: Andy Lutomirski 
Cc: Jan Beulich 
Cc: Linus Torvalds 
Cc: Peter Zijlstra 
Cc: Shuah Khan 
Cc: Thomas Gleixner 
Link: http://lkml.kernel.org/r/09a9916761e0a9e42d4922f147af45a0079cc1e8.1432936374.git.luto@kernel.org
Tests: 394838c96013 x86/asm/entry/32: Fix user_mode() misuses
Tests: 7ba554b5ac69 x86/asm/entry/32: Really make user_mode() work correctly for VM86 mode
Signed-off-by: Ingo Molnar

Merge tag 'linux-kselftest-4.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

2015-05-16T22:03:52+00:00

Pull kselftest fixes from Shuah Khan:
 "Urgent fix for Kselftest regression introduced in 4.1-rc1 by the new
  x86 test due to its hard dependency on 32-bit build environment.

  A set of 5 patches fix the make kselftest run and kselftest install"

* tag 'linux-kselftest-4.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests, x86: Rework x86 target architecture detection
  selftests, x86: Remove useless run_tests rule
  selftests/x86: install tests
  selftest/x86: have no dependency on all when cross building
  selftest/x86: build both bitnesses

selftests, x86: Rework x86 target architecture detection

2015-05-13T02:02:40+00:00

We currently fail to build on a non-multilib x86_64 target.  We
print a helpful error, but it's nicer to allow the build to succeed.
Fix it and improve cross-compilation support by detecting
architecture support directly and building only the relevant tests.

Signed-off-by: Andy Lutomirski 
Signed-off-by: Shuah Khan

selftests, x86: Remove useless run_tests rule

2015-05-13T02:02:22+00:00

Now that selftests/x86 uses the kselftest infrastructure, the
run_x86_tests.sh mechanism is just in the way.

Signed-off-by: Andy Lutomirski 
Signed-off-by: Shuah Khan

selftests/x86: install tests

2015-05-13T02:00:37+00:00

Include lib.mk and set TEST_PROGS where appropriate.

Cc: Andy Lutomirski 
Signed-off-by: Tyler Baker 
Signed-off-by: Shuah Khan

selftest/x86: have no dependency on all when cross building

2015-05-13T02:00:15+00:00

If the CROSS_COMPILE is set remove all's dependency on all_32 and all_64.

Cc: Andy Lutomirski 
Acked-by: Andy Lutomirski 
Signed-off-by: Tyler Baker 
Signed-off-by: Shuah Khan

selftest/x86: build both bitnesses

2015-05-13T01:59:55+00:00

Using uname with the processor flag option in some cases can yield 'unknown'
so lets use the machine flag option as it is deterministic. Add a dependency
for all_32 when building on a x86 64 bit host so that both bitnesses are
built in this case.

Cc: Andy Lutomirski 
Acked-by: Andy Lutomirski 
Signed-off-by: Tyler Baker 
Signed-off-by: Shuah Khan

selftests/powerpc: Fix the pmu install rule

2015-05-01T03:00:26+00:00

My patch to add install support for the powerpc selftests had a typo,
leading to the three tests in the pmu directory itself not being
installed.

Fixes: 6faeeea44b84 ("selftests: Add install support for the powerpc tests")
Signed-off-by: Michael Ellerman

Revert "powerpc/tm: Abort syscalls in active transactions"

2015-04-30T05:24:58+00:00

This reverts commit feba40362b11341bee6d8ed58d54b896abbd9f84.

Although the principle of this change is good, the implementation has a
few issues.

Firstly we can sometimes fail to abort a syscall because r12 may have
been clobbered by C code if we went down the virtual CPU accounting
path, or if syscall tracing was enabled.

Secondly we have decided that it is safer to abort the syscall even
earlier in the syscall entry path, so that we avoid the syscall tracing
path when we are transactional.

So that we have time to thoroughly test those changes we have decided to
revert this for this merge window and will merge the fixed version in
the next window.

NB. Rather than reverting the selftest we just drop tm-syscall from
TEST_PROGS so that it's not run by default.

Fixes: feba40362b11 ("powerpc/tm: Abort syscalls in active transactions")
Signed-off-by: Michael Ellerman