Remove WP parts

Author: ValentaTomas

packages/orchestrator/internal/sandbox/uffd/userfaultfd/serve.go

@@ -140,25 +140,6 @@ outerLoop:
 			return fmt.Errorf("failed to map: %w", err)
 		}
 
-		if pagefault.flags&UFFD_PAGEFAULT_FLAG_WP != 0 {
-			eg.Go(func() error {
-				defer func() {
-					if r := recover(); r != nil {
-						logger.Error("UFFD serve panic", zap.Any("offset", offset), zap.Any("pagesize", pagesize), zap.Any("panic", r))
-					}
-				}()
-
-				wpErr := u.removeWriteProtection(addr, pagesize)
-				if wpErr != nil {
-					return fmt.Errorf("error removing write protection from page %d", addr)
-				}
-
-				return nil
-			})
-
-			continue
-		}
-
 		// This prevents serving missing pages multiple times.
 		// For normal sized pages with swap on, the behavior seems not to be properly described in docs
 		// and it's not clear if the missing can be legitimately triggered multiple times.
@@ -168,14 +149,6 @@ outerLoop:
 
 		missingChunksBeingHandled[offset] = struct{}{}
 
-		if pagefault.flags == 0 {
-			// fmt.Fprintf(os.Stderr, "read trigger %d %d\n", addr, offset/pagesize)
-		}
-
-		if pagefault.flags&UFFD_PAGEFAULT_FLAG_WRITE != 0 {
-			// fmt.Fprintf(os.Stderr, "write trigger %d %d\n", addr, offset/pagesize)
-		}
-
 		eg.Go(func() error {
 			defer func() {
 				if r := recover(); r != nil {