Merge pull request #11 from junjiemao1/spin_on_exit

x86: lib: spin upon power off failure
projectacrn · Sep 18, 2019 · 1ba40a3 · 1ba40a3
2 parents 68ef71a + b991ccb
commit 1ba40a3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/guest/lib/x86/io.c b/guest/lib/x86/io.c
@@ -99,6 +99,7 @@ void exit(int code)
 #else
         asm volatile("out %0, %1" : : "a"(code), "d"((short)0xf4));
 #endif
+        while (1);
 }
 
 void __iomem *ioremap(phys_addr_t phys_addr, size_t size)