powerpc/85xx: Implement 64-bit kexec support (939fbf00) · Commits · 戴 / test

arch/powerpc/platforms/85xx/smp.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -351,6 +351,7 @@ struct smp_ops_t smp_85xx_ops = {
		};

		#ifdef CONFIG_KEXEC
		#ifdef CONFIG_PPC32
		atomic_t kexec_down_cpus = ATOMIC_INIT(0);

		void mpc85xx_smp_kexec_cpu_down(int crash_shutdown, int secondary)
		@@ -370,9 +371,18 @@ static void mpc85xx_smp_kexec_down(void *arg)
		if (ppc_md.kexec_cpu_down)
		ppc_md.kexec_cpu_down(0,1);
		}
		#else
		void mpc85xx_smp_kexec_cpu_down(int crash_shutdown, int secondary)
		{
		local_irq_disable();
		hard_irq_disable();
		mpic_teardown_this_cpu(secondary);
		}
		#endif

		static void mpc85xx_smp_machine_kexec(struct kimage *image)
		{
		#ifdef CONFIG_PPC32
		int timeout = INT_MAX;
		int i, num_cpus = num_present_cpus();

		@@ -393,6 +403,7 @@ static void mpc85xx_smp_machine_kexec(struct kimage *image)
		if ( i == smp_processor_id() ) continue;
		mpic_reset_core(i);
		}
		#endif

		default_machine_kexec(image);
		}