kern: improve KLightLock accuracy

libraries/libmesosphere/source/kern_k_light_lock.cpp

@@ -38,6 +38,7 @@ namespace ams::kern {
             if (AMS_LIKELY(cur_thread->GetState() == KThread::ThreadState_Runnable)) {
                 cur_thread->SetState(KThread::ThreadState_Waiting);
             }
+
             if (owner_thread->IsSuspended()) {
                 owner_thread->ContinueIfHasKernelWaiters();
             }
@@ -75,6 +76,10 @@ namespace ams::kern {
                 if (AMS_LIKELY(next_owner->GetState() == KThread::ThreadState_Waiting)) {
                     next_owner->SetState(KThread::ThreadState_Runnable);
                 }
+
+                if (next_owner->IsSuspended()) {
+                    next_owner->ContinueIfHasKernelWaiters();
+                }
             }
 
             /* We may have unsuspended in the process of acquiring the lock, so we'll re-suspend now if so. */

libraries/libmesosphere/source/svc/kern_svc_memory.cpp

@@ -95,9 +95,6 @@ namespace ams::kern::svc {
         }
 
         Result UnmapMemory(uintptr_t dst_address, uintptr_t src_address, size_t size) {
-            /* Log the call parameters for debugging. */
-            MESOSPHERE_LOG("UnmapMemory(%zx, %zx, %zx)\n", dst_address, src_address, size);
-
             /* Validate that addresses are page aligned. */
             R_UNLESS(util::IsAligned(dst_address, PageSize), svc::ResultInvalidAddress());
             R_UNLESS(util::IsAligned(src_address, PageSize), svc::ResultInvalidAddress());