From 1baaf599a4000451a54dcf30098a998f1b5bc70f Mon Sep 17 00:00:00 2001
From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Thu, 24 Jun 2021 21:36:48 +0200
Subject: [PATCH] vm: Update deprecated QEMU option syntax.

Fixes:
  warning: short-form boolean option 'readonly' deprecated
  Please use readonly=on instead

* gnu/system/vm.scm (common-qemu-options): Use it instead.
---
 gnu/system/vm.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
index f3bccec989..3390f5a88f 100644
--- a/gnu/system/vm.scm
+++ b/gnu/system/vm.scm
@@ -713,7 +713,7 @@ with '-virtfs' options for the host file systems listed in SHARED-FS."
 
      #$@(map virtfs-option shared-fs)
      "-vga std"
-     (format #f "-drive file=~a,if=virtio,cache=writeback,werror=report,readonly"
+     (format #f "-drive file=~a,if=virtio,cache=writeback,werror=report,readonly=on"
              #$image)))
 
 (define* (system-qemu-image/shared-store-script os