2 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86_64/src/kernel/cpu/msr.cpp b/arch/x86_64/src/kernel/cpu/msr.cpp
index 6249f8f..9c474a1 100644
--- a/arch/x86_64/src/kernel/cpu/msr.cpp
+++ b/arch/x86_64/src/kernel/cpu/msr.cpp
@@ -16,7 +16,7 @@ namespace teachos::arch::kernel::cpu
 
   auto write_msr(uint32_t msr, uint64_t value) -> void
   {
-    uint32_t low = value & 0xFFFFFFFF;
+    uint32_t low = value;
     uint32_t high = value >> 32;
     asm volatile("wrmsr"
                  : /* no output from call */
diff --git a/arch/x86_64/src/kernel/main.cpp b/arch/x86_64/src/kernel/main.cpp
index e737d44..05c879e 100644
--- a/arch/x86_64/src/kernel/main.cpp
+++ b/arch/x86_64/src/kernel/main.cpp
@@ -63,7 +63,6 @@ namespace teachos::arch::kernel
     memory::heap::global_heap_allocator::register_heap_allocator(memory::heap::heap_allocator_type::LINKED_LIST);
     // heap_test();
 
-    context_switching::setup_syscall();
     context_switching::switch_to_user_mode();
   }
 }  // namespace teachos::arch::kernel