[PATCH v6 1/9] xen/riscv: prevent recursion when ASSERT(), BUG*(), or panic() are called

[Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>]

Implement machine_restart() using printk() to prevent recursion that
occurs when ASSERT(), BUG*(), or panic() are invoked.
All these macros (except panic() which could be called directly)
eventually call panic(), which then calls machine_restart(),
leading to a recursive loop.

Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
---
Changes in v6:
 - new patch.
---
 xen/arch/riscv/stubs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/riscv/stubs.c b/xen/arch/riscv/stubs.c
index 3285d18899..144f1250e1 100644
--- a/xen/arch/riscv/stubs.c
+++ b/xen/arch/riscv/stubs.c
@@ -53,7 +53,7 @@ void domain_set_time_offset(struct domain *d, int64_t 
time_offset_seconds)
 
 void machine_restart(unsigned int delay_millisecs)
 {
-    BUG_ON("unimplemented");
+    printk("%s: unimplemented\n", __func__);
 }
 
 void machine_halt(void)
-- 
2.46.0