[XENVIF PATCH 1/3] transmitter: Remove LockThread tracking from release builds

[Tu Dinh <ngoc-tu.dinh@xxxxxxxxxx>]

LockThread is not used for anything besides debugging. Move the current
code managing LockThread into a debug-only #ifdef.

Signed-off-by: Tu Dinh <ngoc-tu.dinh@xxxxxxxxxx>
---
 src/xenvif/transmitter.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/xenvif/transmitter.c b/src/xenvif/transmitter.c
index 58f8575..1425058 100644
--- a/src/xenvif/transmitter.c
+++ b/src/xenvif/transmitter.c
@@ -188,7 +188,9 @@ typedef struct _XENVIF_TRANSMITTER_RING {
     BOOLEAN                         Enabled;
     BOOLEAN                         Stopped;
     PVOID                           Lock;
+#if DBG
     PKTHREAD                        LockThread;
+#endif
     LIST_ENTRY                      PacketQueue;
     LIST_ENTRY                      RequestQueue;
     XENVIF_TRANSMITTER_STATE        State;
@@ -2733,7 +2735,9 @@ TransmitterRingSwizzle(
     LIST_ENTRY                      List;
     ULONG                           Count;
 
+#if DBG
     ASSERT3P(Ring->LockThread, ==, KeGetCurrentThread());
+#endif
 
     InitializeListHead(&List);
 
@@ -3121,11 +3125,13 @@ __TransmitterRingTryAcquireLock(
 
     KeMemoryBarrier();
 
+#if DBG
     if (Acquired) {
         ASSERT3P(Ring->LockThread, ==, NULL);
         Ring->LockThread = KeGetCurrentThread();
         KeMemoryBarrier();
     }
+#endif
 
     return Acquired;
 }
@@ -3166,12 +3172,16 @@ __TransmitterRingTryReleaseLock(
     BOOLEAN                         Released;
 
     ASSERT3U(KeGetCurrentIrql(), ==, DISPATCH_LEVEL);
+#if DBG
     ASSERT3P(KeGetCurrentThread(), ==, Ring->LockThread);
+#endif
 
     Old = XENVIF_TRANSMITTER_LOCK_BIT;
     New = 0;
 
+#if DBG
     Ring->LockThread = NULL;
+#endif
 
     KeMemoryBarrier();
 
@@ -3181,11 +3191,13 @@ __TransmitterRingTryReleaseLock(
 
     KeMemoryBarrier();
 
+#if DBG
     if (!Released) {
         ASSERT3P(Ring->LockThread, ==, NULL);
         Ring->LockThread = KeGetCurrentThread();
         KeMemoryBarrier();
     }
+#endif
 
     return Released;
 }
-- 
2.54.0.windows.1



--
Ngoc Tu Dinh | Vates XCP-ng Developer

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