Re: preparations for 4.15.1 and 4.13.4 [and 1 more messages]

[Ian Jackson <iwj@xxxxxxxxxxxxxx>]

Ian Jackson writes ("Re: preparations for 4.15.1 and 4.13.4 [and 1 more 
messages]"):
> Jan Beulich writes ("preparations for 4.15.1 and 4.13.4"):
> > The ABI called VERS_1.2 must be identical on all older branches to avoid
> > binary problems when rebuilding a package against old-xen+updates, and
> > then updating to a newer Xen.
> 
> Indeed.  But that is less relevant than the fact that this must also
> be true for VERS_1.3 which is what we are introducing to 4.15 here :-).
> 
> Andy, I usually agree with you on ABI matters.  I think I am doing
> what you mean.  Please correct me if I have misunderstood you.  If
> what I hnve done is wrong, we should revert and/or fix it quickly on
> staging-4.15.
> 
> (I'll ping you in IRC when I have pushed my queue to staging-4.15.)

I thought of a better way to do this.  See below for proposed patch to
xen.git#staging.

Ian.

>From 239847451fbef4194e757ce090b6f96c4852af46 Mon Sep 17 00:00:00 2001
From: Ian Jackson <iwj@xxxxxxxxxxxxxx>
Date: Thu, 19 Aug 2021 17:53:19 +0100
Subject: [PATCH] libxencall: Put a reminder that ABI VERS_1.3 is now frozen

CC: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CC: Jan Beulich <jbeulich@xxxxxxxx>
CC: Wei Liu <wl@xxxxxxx>
Signed-off-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>
---
 tools/libs/call/libxencall.map | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/libs/call/libxencall.map b/tools/libs/call/libxencall.map
index d18a3174e9..c99630a44b 100644
--- a/tools/libs/call/libxencall.map
+++ b/tools/libs/call/libxencall.map
@@ -30,4 +30,5 @@ VERS_1.2 {
 VERS_1.3 {
        global:
                xencall2L;
+       /* NB VERS_1.3 is frozen since it has been exposed in Xen 4.15 */
 } VERS_1.2;
-- 
2.20.1