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 before testing the lock
to be held in order to be preemption-ready.

Signed-off-by: Juergen Gross <jgr...@suse.com>

Reviewed-by: Julien Grall <jgr...@amazon.com>

Cheers,

--
Julien Grall

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