[PATCH v2 2/2] selftests: liveupdate: Add tests for LIVEUPDATE_SESSION_FREEZE

[Pratyush Yadav]

On Tue, Oct 20 2026, Pasha Tatashin wrote:

> Provide luo_session_freeze() in the liveupdate test library and add unit
> tests in liveupdate.c covering the LIVEUPDATE_SESSION_FREEZE ioctl. The
> tests verify that non-zero reserved bits are rejected with -EINVAL, an
> outgoing session with preserved files can be frozen early, freezing an
> already frozen session returns -EBUSY, and attempting to preserve an
> additional file descriptor into a frozen session fails with -EBUSY.
>
> Also freeze the test session early in luo_kexec_simple.c to exercise
> LIVEUPDATE_SESSION_FREEZE across a kexec reboot, and verify that
> attempting to freeze a retrieved incoming session returns -EINVAL.
>
> Signed-off-by: Pasha Tatashin <pasha.tatashin at soleen.com>

Reviewed-by: Pratyush Yadav <pratyush at kernel.org>

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-- 
Regards,
Pratyush Yadav