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Commit c49c412a authored by Yinghai Lu's avatar Yinghai Lu Committed by Ingo Molnar
Browse files

x86: make 64bit identify_cpu use cpu_dev v2 

v2: fix early_panic on this config:

  http://redhat.com/~mingo/misc/config-Thu_Jun_19_14_22_37_CEST_2008.bad



reason : struct cpu_vendor_dev size is 16, need to make table to be 16
         byte alignment

also print out the cpu supported...

Signed-off-by: default avatarYinghai Lu <yhlu.kernel@gmail.com>
Cc: Dave Jones <davej@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent dcd32b6a

arch/x86/kernel/setup_64.c

+20 −0
Original line number Diff line number Diff line
@@ -664,6 +664,25 @@ static void __cpuinit get_cpu_vendor(struct cpuinfo_x86 *c) 
	c->x86_vendor = X86_VENDOR_UNKNOWN;

}



static void __init early_cpu_support_print(void)

{

	int i,j;

	struct cpu_dev *cpu_devx;



	printk("KERNEL supported cpus:\n");

	for (i = 0; i < X86_VENDOR_NUM; i++) {

		cpu_devx = cpu_devs[i];

		if (!cpu_devx)

			continue;

		for (j = 0; j < 2; j++) {

			if (!cpu_devx->c_ident[j])

				continue;

			printk("  %s %s\n", cpu_devx->c_vendor,

				cpu_devx->c_ident[j]);

		}

	}

}



static void __init early_cpu_init(void)

{

        struct cpu_vendor_dev *cvdev;
@@ -672,6 +691,7 @@ static void __init early_cpu_init(void) 
             cvdev < __x86cpuvendor_end   ;

             cvdev++)

                cpu_devs[cvdev->vendor] = cvdev->cpu_dev;

	early_cpu_support_print();

}



/* Do some early cpuid on the boot CPU to get some parameter that are

arch/x86/kernel/vmlinux_64.lds.S

+1 −0
Original line number Diff line number Diff line
@@ -177,6 +177,7 @@ SECTIONS 
	*(.con_initcall.init)

  }

  __con_initcall_end = .;

  . = ALIGN(16);

  __x86cpuvendor_start = .;

  .x86cpuvendor.init : AT(ADDR(.x86cpuvendor.init) - LOAD_OFFSET) {

	*(.x86cpuvendor.init)