From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 19 Apr 2024 11:38:38 +0000 (+0200)
Subject: vmspawn: enable hyperv enlightenments
X-Git-Tag: v256-rc1~93^2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=77290bc83fe9fc3eeba1354e7635a2aa0a1caa2d;p=thirdparty%2Fsystemd.git

vmspawn: enable hyperv enlightenments

THese are generally recommended (and libvirt/gnome-boxes default to them
hence). They are mostly relevant for Windows, but I think it makes sense
to enable them anyway for Linux too, simply to excercise #28001, and
they shouldn't hurt.
---

diff --git a/src/vmspawn/vmspawn.c b/src/vmspawn/vmspawn.c
index d3d37fd5d32..9687119df4d 100644
--- a/src/vmspawn/vmspawn.c
+++ b/src/vmspawn/vmspawn.c
@@ -1421,7 +1421,13 @@ static int run_virtual_machine(int kvm_device_fd, int vhost_device_fd) {
                 pass_fds[n_pass_fds++] = device_fd;
         }
 
-        r = strv_extend_many(&cmdline, "-cpu", "max");
+        r = strv_extend_many(&cmdline, "-cpu",
+#ifdef __x86_64__
+                             "max,hv_relaxed,hv-vapic,hv-time"
+#else
+                             "max"
+#endif
+        );
         if (r < 0)
                 return log_oom();