Commit f5efb41e authored May 02, 2007 by Fernando Luis [** ISO-8859-1 charset **] VzquezCao Committed by Andi Kleen May 02, 2007

[PATCH] i386: Use safe_apic_wait_icr_idle in safe_apic_wait_icr_idle - i386



Use safe_apic_wait_icr_idle to check ICR idle bit if the vector is
NMI_VECTOR to avoid potential hangups in the event of crash when kdump
tries to stop the other CPUs.

Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Andi Kleen <ak@suse.de>

parent 9062d888

arch/i386/kernel/smp.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -175,6 +175,9 @@ static inline void __send_IPI_dest_field(unsigned long mask, int vector)
		/*
		* Wait for idle.
		*/
		if (unlikely(vector == NMI_VECTOR))
		safe_apic_wait_icr_idle();
		else
		apic_wait_icr_idle();

		/*