Use (sit-for 0) in Tramp

* lisp/net/tramp.el (tramp-wait-for-regexp): Use (sit-for 0) in
order to avoid performace regression.

(cherry picked from commit 2f80e62e6e0ed2502fdf4be948c55f0b9ea72fb1)

diff --git a/lisp/net/tramp.el b/lisp/net/tramp.el
index caa21d2f50654db0da0a781ce6743cb83cf3d0d4..d8302b159f66abc4a3698c95f72bec6684f9f118 100644 (file)
--- a/lisp/net/tramp.el
+++ b/lisp/net/tramp.el
@@ -6030,7 +6030,7 @@ nil."
     (with-tramp-timeout (timeout)
       (while (not found)
        ;; This is needed to yield the CPU, otherwise we'll see 100% CPU load.
-       ;(sit-for 0.005)
+       (sit-for 0)
        (tramp-accept-process-output proc)
        (unless (process-live-p proc)
          (tramp-error-with-buffer