For the final step of live-update in stubdom, call kexec().
Signed-off-by: Juergen Gross <jgross@suse.com>
---
tools/xenstored/lu_minios.c | 33 ++++++++++++++++++++++++++++++++-
1 file changed, 32 insertions(+), 1 deletion(-)
diff --git a/tools/xenstored/lu_minios.c b/tools/xenstored/lu_minios.c
index b14a0b29d5..b8ca631610 100644
--- a/tools/xenstored/lu_minios.c
+++ b/tools/xenstored/lu_minios.c
@@ -8,13 +8,44 @@
#include <stdlib.h>
#include <syslog.h>
+#include <mini-os/kexec.h>
+
#include "talloc.h"
#include "lu.h"
+#include "core.h"
#ifndef NO_LIVE_UPDATE
char *lu_exec(const void *ctx, int argc, char **argv)
{
- return "NYI";
+ int i;
+ int ret;
+ char *errbuf;
+ char *cmdline;
+
+ if (!lu_status->kernel)
+ return "No new kernel";
+
+ cmdline = talloc_strdup(ctx, "");
+ if (!cmdline)
+ return "Allocation failure";
+ for (i = 1; argv[i]; i++) {
+ if (i > 1) {
+ cmdline = talloc_append_string(ctx, cmdline, " ");
+ if (!cmdline)
+ return "Allocation failure";
+ }
+ cmdline = talloc_append_string(ctx, cmdline, argv[i]);
+ if (!cmdline)
+ return "Allocation failure";
+ }
+
+ ret = kexec(lu_status->kernel, lu_status->kernel_size, cmdline);
+
+ errbuf = talloc_asprintf(ctx, "kexec() returned %d", ret);
+ if (!errbuf)
+ errbuf = "kexec() returned";
+
+ return errbuf;
}
static const char *lu_binary_alloc(const void *ctx, struct connection *conn,
--
2.43.0