From: Gerd Hoffmann <kraxel@redhat.com>
Date: Wed, 19 Mar 2025 14:11:53 +0000 (+0100)
Subject: hw/uefi: flush variable store to disk in post load
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=560429fd746adf04b57237c3c4a38ecfd906c592;p=people%2Faperard%2Fqemu-dm.git

hw/uefi: flush variable store to disk in post load

Make live migration more robust.  Commit 4c0cfc72b31a ("pflash_cfi01:
write flash contents to bdrv on incoming migration") elaborates in
detail on the motivation.

Cc: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20250319141159.1461621-2-kraxel@redhat.com>
---

diff --git a/hw/uefi/var-service-core.c b/hw/uefi/var-service-core.c
index 8ed8378ab9..4836a0cb81 100644
--- a/hw/uefi/var-service-core.c
+++ b/hw/uefi/var-service-core.c
@@ -29,6 +29,7 @@ static int uefi_vars_post_load(void *opaque, int version_id)
     uefi_vars_state *uv = opaque;
 
     uefi_vars_update_storage(uv);
+    uefi_vars_json_save(uv);
     uv->buffer = g_malloc(uv->buf_size);
     return 0;
 }