setup: use tail-call for kernel_main jump

Signed-off-by: Pawel Wieczorkiewicz <[email protected]> Suggested-By: Mathias Krause <[email protected]>
KernelTestFramework · Oct 8, 2021 · 6de0aa7 · 6de0aa7
1 parent 4431f14
commit 6de0aa7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/common/setup.c b/common/setup.c
@@ -300,7 +300,7 @@ void __noreturn __text_init kernel_start(uint32_t multiboot_magic,
         init_keyboard(get_bsp_cpu_id());
 
     /* Jump from .text.init section to .text */
-    asm volatile("push %0; ret" ::"r"(&kernel_main));
+    asm volatile("jmp kernel_main");
 
     UNREACHABLE();
 }