REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1417
Since BaseLib API AsmLfence() is a x86 arch specific API and should be avoided using in generic codes, this commit replaces the usage of AsmLfence() with arch-generic API SpeculationBarrier(). Cc: Ard Biesheuvel <[email protected]> Cc: Jiewen Yao <[email protected]> Cc: Liming Gao <[email protected]> Cc: Jian J Wang <[email protected]> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Hao Wu <[email protected]> --- MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.c b/MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.c index c1c9aa5663..a743129539 100644 --- a/MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.c +++ b/MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.c @@ -77,10 +77,10 @@ SmmLockBoxSave ( return ; } // - // The AsmLfence() call here is to ensure the above range check for the - // CommBuffer have been completed before calling into SaveLockBox(). + // The SpeculationBarrier() call here is to ensure the above range check for + // the CommBuffer have been completed before calling into SaveLockBox(). // - AsmLfence (); + SpeculationBarrier (); // // Save data @@ -166,10 +166,10 @@ SmmLockBoxUpdate ( return ; } // - // The AsmLfence() call here is to ensure the above range check for the - // CommBuffer have been completed before calling into UpdateLockBox(). + // The SpeculationBarrier() call here is to ensure the above range check for + // the CommBuffer have been completed before calling into UpdateLockBox(). // - AsmLfence (); + SpeculationBarrier (); // // Update data -- 2.12.0.windows.1 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
