Some device driver may also have exit boot service event at CALLBACK, for example AtaPassThruExitBootServices() that was added by Laszlo.
Thanks, Star -----Original Message----- From: Yao, Jiewen Sent: Thursday, October 26, 2017 10:14 AM To: [email protected] Cc: Zeng, Star <[email protected]> Subject: [PATCH] IntelSiliconPkg/VTdDxe: Change EBS Event TPL to CALLBACK. Change ExitBootServices TPL to CALLBACK, so that a device can disable BME before IOMMU grants access right. Cc: Star Zeng <[email protected]> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Jiewen Yao <[email protected]> --- IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.c b/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.c index f5de01f..4a4d82e 100644 --- a/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.c +++ b/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.c @@ -483,7 +483,7 @@ InitializeDmaProtection ( Status = gBS->CreateEventEx ( EVT_NOTIFY_SIGNAL, - TPL_NOTIFY, + TPL_CALLBACK, OnExitBootServices, NULL, &gEfiEventExitBootServicesGuid, @@ -492,7 +492,7 @@ InitializeDmaProtection ( ASSERT_EFI_ERROR (Status); Status = EfiCreateEventLegacyBootEx ( - TPL_NOTIFY, + TPL_CALLBACK, OnLegacyBoot, NULL, &LegacyBootEvent -- 2.7.4.windows.1 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
