[PATCH v5 0/2] cpuhp: fix some st->target issues

From: Phil Auld
Date: Thu Nov 17 2022 - 11:27:47 EST


Fix a few cpuhp related issues.

The first prevents target_store() from calling cpu_down() when
target == state which prevents the cpu being incorrectly marked
as dying. The second just makes the boot cpu have a valid cpuhp
target rather than 0 (CPU_OFFLINE) while being in state
CPU_ONLINE.

v3: Added code to make sure st->target == target in the nop case.

v4: Use WARN_ON in the case where state == target but st->target does
not.

v5: Fixed lowercase on first patch title and cleaned up cover letter.
Rebased on v6.1-rc5.

Phil Auld (2):
cpuhp: Make target_store() a nop when target == state
cpuhp: Set cpuhp target for boot cpu

cpu.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

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2.31.1