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From: "Vitaly Cheptsov" <vit9696@protonmail.com>
To: devel@edk2.groups.io
Subject: [PATCH v1 1/1] MdePkg: Do not use CreateEventEx unless required
Date: Fri, 03 Jan 2020 18:02:35 +0000	[thread overview]
Message-ID: <20200103180232.65292-2-vit9696@protonmail.com> (raw)
In-Reply-To: <20200103180232.65292-1-vit9696@protonmail.com>

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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2446

There are many firmwares in the wild not supporting CreateEventEx,
including devices less than 5 years old.

Signed-off-by: Vitaly Cheptsov <vit9696@protonmail.com>
---
 MdePkg/Library/DxeRuntimeDebugLibSerialPort/DebugLib.c             |  3 +--
 MdePkg/Library/DxeRuntimePciExpressLib/PciExpressLib.c             |  5 ++---
 MdePkg/Library/PciSegmentLibSegmentInfo/DxeRuntimePciSegmentLib.c  |  5 ++---
 MdePkg/Library/UefiDebugLibConOut/DebugLibConstructor.c            |  5 ++---
 MdePkg/Library/UefiDebugLibDebugPortProtocol/DebugLibConstructor.c |  5 ++---
 MdePkg/Library/UefiDebugLibStdErr/DebugLibConstructor.c            |  5 ++---
 MdePkg/Library/UefiRuntimeLib/RuntimeLib.c                         | 10 ++++------
 7 files changed, 15 insertions(+), 23 deletions(-)

diff --git a/MdePkg/Library/DxeRuntimeDebugLibSerialPort/DebugLib.c b/MdePkg/Library/DxeRuntimeDebugLibSerialPort/DebugLib.c
index 862c6bff09..cc79843b1c 100644
--- a/MdePkg/Library/DxeRuntimeDebugLibSerialPort/DebugLib.c
+++ b/MdePkg/Library/DxeRuntimeDebugLibSerialPort/DebugLib.c
@@ -77,9 +77,8 @@ DxeRuntimeDebugLibSerialPortConstructor (
     return Status;
   }
 
-  return SystemTable->BootServices->CreateEventEx (EVT_NOTIFY_SIGNAL,
+  return SystemTable->BootServices->CreateEvent (EVT_SIGNAL_EXIT_BOOT_SERVICES,
                                       TPL_NOTIFY, ExitBootServicesEvent, NULL,
-                                      &gEfiEventExitBootServicesGuid,
                                       &mEfiExitBootServicesEvent);
 }
 
diff --git a/MdePkg/Library/DxeRuntimePciExpressLib/PciExpressLib.c b/MdePkg/Library/DxeRuntimePciExpressLib/PciExpressLib.c
index 6e784763be..7e5852e641 100644
--- a/MdePkg/Library/DxeRuntimePciExpressLib/PciExpressLib.c
+++ b/MdePkg/Library/DxeRuntimePciExpressLib/PciExpressLib.c
@@ -124,12 +124,11 @@ DxeRuntimePciExpressLibConstructor (
   //
   // Register SetVirtualAddressMap () notify function
   //
-  Status = gBS->CreateEventEx (
-                  EVT_NOTIFY_SIGNAL,
+  Status = gBS->CreateEvent (
+                  EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE,
                   TPL_NOTIFY,
                   DxeRuntimePciExpressLibVirtualNotify,
                   NULL,
-                  &gEfiEventVirtualAddressChangeGuid,
                   &mDxeRuntimePciExpressLibVirtualNotifyEvent
                   );
   ASSERT_EFI_ERROR (Status);
diff --git a/MdePkg/Library/PciSegmentLibSegmentInfo/DxeRuntimePciSegmentLib.c b/MdePkg/Library/PciSegmentLibSegmentInfo/DxeRuntimePciSegmentLib.c
index 2f503ecffe..b0dbdec0cf 100644
--- a/MdePkg/Library/PciSegmentLibSegmentInfo/DxeRuntimePciSegmentLib.c
+++ b/MdePkg/Library/PciSegmentLibSegmentInfo/DxeRuntimePciSegmentLib.c
@@ -109,12 +109,11 @@ DxeRuntimePciSegmentLibConstructor (
   //
   // Register SetVirtualAddressMap () notify function
   //
-  Status = gBS->CreateEventEx (
-                  EVT_NOTIFY_SIGNAL,
+  Status = gBS->CreateEvent (
+                  EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE,
                   TPL_NOTIFY,
                   DxeRuntimePciSegmentLibVirtualNotify,
                   NULL,
-                  &gEfiEventVirtualAddressChangeGuid,
                   &mDxeRuntimePciSegmentLibVirtualNotifyEvent
                   );
   ASSERT_EFI_ERROR (Status);
diff --git a/MdePkg/Library/UefiDebugLibConOut/DebugLibConstructor.c b/MdePkg/Library/UefiDebugLibConOut/DebugLibConstructor.c
index ed73f92818..b4ac17cf55 100644
--- a/MdePkg/Library/UefiDebugLibConOut/DebugLibConstructor.c
+++ b/MdePkg/Library/UefiDebugLibConOut/DebugLibConstructor.c
@@ -64,12 +64,11 @@ DxeDebugLibConstructor(
 {
   mDebugST = SystemTable;
 
-  SystemTable->BootServices->CreateEventEx (
-                                EVT_NOTIFY_SIGNAL,
+  SystemTable->BootServices->CreateEvent (
+                                EVT_SIGNAL_EXIT_BOOT_SERVICES,
                                 TPL_NOTIFY,
                                 ExitBootServicesCallback,
                                 NULL,
-                                &gEfiEventExitBootServicesGuid,
                                 &mExitBootServicesEvent
                                 );
 
diff --git a/MdePkg/Library/UefiDebugLibDebugPortProtocol/DebugLibConstructor.c b/MdePkg/Library/UefiDebugLibDebugPortProtocol/DebugLibConstructor.c
index 6ea0912f2b..96fc1c422f 100644
--- a/MdePkg/Library/UefiDebugLibDebugPortProtocol/DebugLibConstructor.c
+++ b/MdePkg/Library/UefiDebugLibDebugPortProtocol/DebugLibConstructor.c
@@ -64,12 +64,11 @@ DxeDebugLibConstructor(
 {
   mDebugBS = SystemTable->BootServices;
 
-  mDebugBS->CreateEventEx (
-              EVT_NOTIFY_SIGNAL,
+  mDebugBS->CreateEvent (
+              EVT_SIGNAL_EXIT_BOOT_SERVICES,
               TPL_NOTIFY,
               ExitBootServicesCallback,
               NULL,
-              &gEfiEventExitBootServicesGuid,
               &mExitBootServicesEvent
               );
 
diff --git a/MdePkg/Library/UefiDebugLibStdErr/DebugLibConstructor.c b/MdePkg/Library/UefiDebugLibStdErr/DebugLibConstructor.c
index ed73f92818..b4ac17cf55 100644
--- a/MdePkg/Library/UefiDebugLibStdErr/DebugLibConstructor.c
+++ b/MdePkg/Library/UefiDebugLibStdErr/DebugLibConstructor.c
@@ -64,12 +64,11 @@ DxeDebugLibConstructor(
 {
   mDebugST = SystemTable;
 
-  SystemTable->BootServices->CreateEventEx (
-                                EVT_NOTIFY_SIGNAL,
+  SystemTable->BootServices->CreateEvent (
+                                EVT_SIGNAL_EXIT_BOOT_SERVICES,
                                 TPL_NOTIFY,
                                 ExitBootServicesCallback,
                                 NULL,
-                                &gEfiEventExitBootServicesGuid,
                                 &mExitBootServicesEvent
                                 );
 
diff --git a/MdePkg/Library/UefiRuntimeLib/RuntimeLib.c b/MdePkg/Library/UefiRuntimeLib/RuntimeLib.c
index 933e0099ce..a2eadafac8 100644
--- a/MdePkg/Library/UefiRuntimeLib/RuntimeLib.c
+++ b/MdePkg/Library/UefiRuntimeLib/RuntimeLib.c
@@ -93,23 +93,21 @@ RuntimeDriverLibConstruct (
   //
   // Register SetVirtualAddressMap () notify function
   //
-  Status = gBS->CreateEventEx (
-                  EVT_NOTIFY_SIGNAL,
+  Status = gBS->CreateEvent (
+                  EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE,
                   TPL_NOTIFY,
                   RuntimeLibVirtualNotifyEvent,
                   NULL,
-                  &gEfiEventVirtualAddressChangeGuid,
                   &mEfiVirtualNotifyEvent
                   );
 
   ASSERT_EFI_ERROR (Status);
 
-  Status = gBS->CreateEventEx (
-                  EVT_NOTIFY_SIGNAL,
+  Status = gBS->CreateEvent (
+                  EVT_SIGNAL_EXIT_BOOT_SERVICES,
                   TPL_NOTIFY,
                   RuntimeLibExitBootServicesEvent,
                   NULL,
-                  &gEfiEventExitBootServicesGuid,
                   &mEfiExitBootServicesEvent
                   );
 
-- 
2.21.0 (Apple Git-122.2)


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  reply	other threads:[~2020-01-03 18:02 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-03 18:02 [PATCH v1 0/1] MdePkg: Do not use CreateEventEx unless required Vitaly Cheptsov
2020-01-03 18:02 ` Vitaly Cheptsov [this message]
2020-01-07  2:12   ` [edk2-devel] [PATCH v1 1/1] " Liming Gao

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