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2024-05-10 cde9070d9970eef1f7ec2360586c802a16230ad8

 kernel/arch/powerpc/kexec/crash.c
.. .. @@ -311,6 +311,9 @@
311 311  	unsigned int i;
312 312  	int (*old_handler)(struct pt_regs *regs);
313 313  
314 +	/* Avoid hardlocking with irresponsive CPU holding logbuf_lock */
315 +	printk_nmi_enter();
316 +
314 317  	/*
315 318  	 * This function is only called after the system
316 319  	 * has panicked or is otherwise in a critical state.

..	..	@@ -311,6 +311,9 @@
311	311	unsigned int i;
312	312	int (old_handler)(struct pt_regs regs);
313	313
	314	+ /* Avoid hardlocking with irresponsive CPU holding logbuf_lock */
	315	+ printk_nmi_enter();
	316	+
314	317	/*
315	318	* This function is only called after the system
316	319	* has panicked or is otherwise in a critical state.