From 71493126327ff05b517d72a2496735e103d716b6 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Fri, 15 Jul 2022 17:10:17 +0100
Subject: [PATCH] lib: Don't use -cpu max on RISC-V

qemu (7.0) does not support -cpu max for TCG.

Note this change is necessary but not sufficient for getting
libguestfs to run on RISC-V, because there is also currently no
working path to make -kernel work.
---
 lib/appliance-cpu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/appliance-cpu.c b/lib/appliance-cpu.c
index 54ac6e2e3..48c774502 100644
--- a/lib/appliance-cpu.c
+++ b/lib/appliance-cpu.c
@@ -84,6 +84,9 @@ guestfs_int_get_cpu_model (int kvm)
 #elif defined(__powerpc64__)
   /* See discussion in https://bugzilla.redhat.com/show_bug.cgi?id=1605071 */
   return NULL;
+#elif defined(__riscv)
+  /* qemu-system-riscv64 (7.0) doesn't yet support -cpu max */
+  return NULL;
 #else
   /* On most architectures we can use "max" to get the best possible CPU.
    * For recent qemu this should work even on TCG.