From fddda8da2c08e0cbe0f2fb14eceb7b3d00e74bb5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcel=20L=C3=BCtke=20Dreimann?=
 <marcel.luetkedreimann@uos.de>
Date: Wed, 25 Jan 2023 17:41:51 +0100
Subject: [PATCH] use WFQueue for vGPUs ready list

---
 repos/dde_uos-intel-gpgpu/src/virt/kernel.h |  4 ++--
 repos/dde_uos-intel-gpgpu/src/virt/vgpu.h   | 13 ++++---------
 2 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/repos/dde_uos-intel-gpgpu/src/virt/kernel.h b/repos/dde_uos-intel-gpgpu/src/virt/kernel.h
index 90c411190a..b10d402e86 100644
--- a/repos/dde_uos-intel-gpgpu/src/virt/kernel.h
+++ b/repos/dde_uos-intel-gpgpu/src/virt/kernel.h
@@ -1,7 +1,7 @@
 #ifndef KERNEL_H
 #define KERNEL_H
 
-#include <util/fifo.h>
+#include "strategies/util/wf_queue.h"
 
 #define GENODE
 #include "../uos-intel-gpgpu/driver/gpgpu_driver.h"
@@ -13,7 +13,7 @@ namespace gpgpu_virt {
      * @class This class represents a kernel 
      * 
      */
-    class Kernel : public Genode::Fifo<Kernel>::Element
+    class Kernel : public util::WFQueue::Chain
     {
         private:
             struct kernel_config* kconf;
diff --git a/repos/dde_uos-intel-gpgpu/src/virt/vgpu.h b/repos/dde_uos-intel-gpgpu/src/virt/vgpu.h
index 97bd4c17ca..8f8309d87b 100644
--- a/repos/dde_uos-intel-gpgpu/src/virt/vgpu.h
+++ b/repos/dde_uos-intel-gpgpu/src/virt/vgpu.h
@@ -7,9 +7,8 @@
 
 #ifdef SCHED_CFS
     #include "strategies/cfs_entry.h"
-#else
-    #include "strategies/util/wf_queue.h"
 #endif // SCHED_CFS
+#include "strategies/util/wf_queue.h"
 
 // driver
 #define GENODE
@@ -29,7 +28,7 @@ namespace gpgpu_virt {
             context* ctx;
 
             /// list of gpgpu tasks for this vpgu
-            Genode::Fifo<Kernel> ready_list;
+            util::WFQueue ready_list;
 
             /// priority of vgpu
             int prio;
@@ -67,7 +66,7 @@ namespace gpgpu_virt {
              */
             void add_kernel(Kernel* kernel) {
                 kernel->get_config()->ctx = ctx; // set context
-                ready_list.enqueue(*kernel);
+                ready_list.enqueue((util::WFQueue::Chain*)kernel);
             }
 
             /**
@@ -105,11 +104,7 @@ namespace gpgpu_virt {
              * @return First kernel image in ready list 
              */
             Kernel* take_kernel() { 
-                Kernel* ret = nullptr;
-                ready_list.dequeue([&ret](Kernel& k){
-                    ret = &k;
-                });
-                return ret;
+                return (Kernel*)ready_list.dequeue();
             }
 
             /**