From: John Wolfe <jwolfe@vmware.com>
Date: Tue, 12 Jul 2022 16:56:01 +0000 (-0700)
Subject: Add a comment with the bump of the Guest Msg Channels to 128.
X-Git-Tag: stable-12.1.0~36
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f45b8f435f2d9b3536f283098ddaf69218ae7456;p=thirdparty%2Fopen-vm-tools.git

Add a comment with the bump of the Guest Msg Channels to 128.
---

diff --git a/open-vm-tools/lib/include/guest_msg_def.h b/open-vm-tools/lib/include/guest_msg_def.h
index be2c0ec91..567e3be30 100644
--- a/open-vm-tools/lib/include/guest_msg_def.h
+++ b/open-vm-tools/lib/include/guest_msg_def.h
@@ -90,6 +90,10 @@ typedef enum {
  * Max number of channels.
  * Unfortunately this has to be public because the monitor part
  * of the backdoor needs it for its trivial-case optimization. [greg]
+ *
+ * It would be nice to have as many as 1024 channels however, as we discovered
+ * in PR 2978984, it becomes particularly difficult to raise the number beyond
+ * 250. After much discussion, 128 was chosen.
  */
 #define GUESTMSG_MAX_CHANNEL 128