Hi Juergen,
On 04/11/2020 08:15, Juergen Gross wrote:
Spinlocks and rwlocks behave differently in the try variants regarding
preemption: rwlocks are switching preemption off before testing the
lock, while spinlocks do so only after the first check.
Modify _spin_trylock() to disable preemption b
Spinlocks and rwlocks behave differently in the try variants regarding
preemption: rwlocks are switching preemption off before testing the
lock, while spinlocks do so only after the first check.
Modify _spin_trylock() to disable preemption before testing the lock
to be held in order to be preempti