Jeff Fan 0f18e1eda2 MdePkg/BaseSynchronizationLib: Do not check timeout if lock released
Current AcquireSpinLock() will check if timeout happens when PcdSpinLockTimeout
is not zero, even though the spin lock is already released. It may do
unnecessary operation to read timer's counter. This update is trying to acquire
spin lock firstly. If it could be acquired successfully, needn't to check
timeout at all.

Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
2016-04-05 14:07:15 +08:00
2014-10-14 16:08:15 +00:00
2016-04-01 08:58:20 -07:00
2014-10-14 16:08:15 +00:00
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Acidanthera UEFI Development Kit based on EDK II edk2-stable202405
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