Commit 5f5cd8fd authored by Ingo Molnar's avatar Ingo Molnar
Browse files

x86: add debug of invalid per_cpu map accesses 



dont crash survivable situations.

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent c49a4955

include/asm-x86/topology.h

+5 −4
Original line number Diff line number Diff line
@@ -70,7 +70,8 @@ static inline int cpu_to_node(int cpu) 
	if (x86_cpu_to_node_map_early_ptr) {

		printk("KERN_NOTICE cpu_to_node(%d): usage too early!\n",

			(int)cpu);

		BUG();

		dump_stack();

		return ((int *)x86_cpu_to_node_map_early_ptr)[cpu];

	}

#endif

	if (per_cpu_offset(cpu))