[PATCH stable 6.12 0/9] Kunit backports for older systems

[Florian Fainelli]

On 7/30/26 05:38, Greg KH wrote:
> On Fri, Jul 24, 2026 at 02:41:10PM -0700, Florian Fainelli wrote:
>> This patch series addresses an issue we encountered on older Ubuntu
>> 20.04.6 LTS servers whereby running Kunit would not return to a prompt
>> and it would not be possible to Ctrl-C the running session either.
>>
>> Benjamin Berg (2):
>>    um: Set parent death signal for winch thread/process
>>    um: Set parent death signal for userspace process
>>
>> David Gow (1):
>>    kunit: tool: Terminate kernel under test on SIGINT
>>
>> Shuvam Pandey (1):
>>    kunit: tool: skip stty when stdin is not a tty
>>
>> Tiwei Bie (5):
>>    um: Add os_set_pdeathsig helper function
>>    um: Use os_set_pdeathsig helper in winch thread/process
>>    um: Set parent-death signal for ubd io thread/process
>>    um: Set parent-death signal for write_sigio thread/process
>>    um: Preserve errno within signal handler
>>
>>   arch/um/drivers/chan_user.c            |  2 ++
>>   arch/um/drivers/ubd_kern.c             |  1 +
>>   arch/um/include/shared/os.h            |  2 ++
>>   arch/um/os-Linux/process.c             |  6 ++++
>>   arch/um/os-Linux/sigio.c               |  1 +
>>   arch/um/os-Linux/signal.c              |  3 ++
>>   arch/um/os-Linux/skas/process.c        |  3 ++
>>   tools/testing/kunit/kunit_kernel.py    | 39 +++++++++++++++++-------
>>   tools/testing/kunit/kunit_tool_test.py | 42 ++++++++++++++++++++++++++
>>   9 files changed, 88 insertions(+), 11 deletions(-)
>>
>> -- 
>> 2.34.1
>>
>>
> 
> Many of these are not in newer stable kernel versions.  So can you send
> patches for 6.12 and all newer branches (i.e. 6.18.y and 7.1.y) for the
> missing patches for them, and then resend this 6.12.y series and we will
> be glad to queue this up then.

Oh yes, sure thing, let me submit against 7.1 and 6.18 as well.
-- 
Florian