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cxgbe(4): Use correct synchronization when marking the adapter offline.

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adapter->flags are guarded by a synch_op, as noted in the comment in
adapter.h where the flags are defined.

Fixes:	5241b210a4e cxgbe(4): Basic infrastructure for ULDs to participate in adapter reset.
Sponsored by:	Chelsio Communications

(cherry picked from commit 52e5a66eac22d24e29f204c5b65232378e71f4cf)
This commit is contained in:
Navdeep Parhar 2024-10-04 11:11:22 -07:00
parent 0eea8754ae
commit 42d8f6b759
1 changed files with 7 additions and 2 deletions
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9
sys/dev/cxgbe/t4_main.c
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@ -1990,18 +1990,23 @@ restart_adapter(struct adapter *sc)
static inline void
set_adapter_hwstatus(struct adapter *sc, const bool usable)
{
mtx_lock(&sc->reg_lock);
if (usable) {
/* Must be marked reusable by the designated thread. */
ASSERT_SYNCHRONIZED_OP(sc);
MPASS(sc->reset_thread == curthread);
mtx_lock(&sc->reg_lock);
atomic_clear_int(&sc->error_flags, HW_OFF_LIMITS);
mtx_unlock(&sc->reg_lock);
} else {
/* Mark the adapter totally off limits. */
begin_synchronized_op(sc, NULL, SLEEP_OK, "t4hwsts");
mtx_lock(&sc->reg_lock);
atomic_set_int(&sc->error_flags, HW_OFF_LIMITS);
mtx_unlock(&sc->reg_lock);
sc->flags &= ~(FW_OK | MASTER_PF);
sc->reset_thread = NULL;
end_synchronized_op(sc, 0);
}
mtx_unlock(&sc->reg_lock);
}
static int