Commit 2f93a60c authored Jun 02, 2017 by Paul Burton Committed by Ralf Baechle Jun 29, 2017

MIPS: CM: WARN on attempt to lock invalid VP, not BUG



Rather than using BUG_ON in the case of an invalid attempt to lock
access to a non-zero VP on a pre-CM3 system, use WARN_ON so that we have
even the slightest chance of recovery.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/16194/


Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

parent 516db1c6

arch/mips/kernel/mips-cm.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -282,7 +282,7 @@ void mips_cm_lock_other(unsigned int core, unsigned int vp)
		spin_lock_irqsave(this_cpu_ptr(&cm_core_lock),
		*this_cpu_ptr(&cm_core_lock_flags));
		} else {
		BUG_ON(vp != 0);
		WARN_ON(vp != 0);

		/*
		* We only have a GCR_CL_OTHER per core in systems with

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