x86: provide specialized identification routines for x86_64 (7a636af6) · Commits · 戴 / test

provide two specialized identify_secondary_cpu() and identify_boot_cpu() routines for x86_64. Although not strictly needed, they are functionally correct, and will ease integration with i386 Signed-off-by:

Glauber Costa <gcosta@redhat.com> Signed-off-by:

Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/setup_64.c

+12 −2

Original line number	Diff line number	Diff line
		@@ -1036,14 +1036,24 @@ void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
		#endif
		select_idle_routine(c);

		if (c != &boot_cpu_data)
		mtrr_ap_init();
		#ifdef CONFIG_NUMA
		numa_add_cpu(smp_processor_id());
		#endif

		}

		void __cpuinit identify_boot_cpu(void)
		{
		identify_cpu(&boot_cpu_data);
		}

		void __cpuinit identify_secondary_cpu(struct cpuinfo_x86 *c)
		{
		BUG_ON(c == &boot_cpu_data);
		identify_cpu(c);
		mtrr_ap_init();
		}

		static __init int setup_noclflush(char *arg)
		{
		setup_clear_cpu_cap(X86_FEATURE_CLFLSH);

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