int __init vsyscall_init(void)
{
printk("VSYSCALL: consistency checks...");
if ((unsigned long) &vgettimeofday != VSYSCALL_ADDR(__NR_vgettimeofday)) {
printk("vgettimeofday link addr broken\n");
printk("VSYSCALL: vsyscall_init failed!\n");
return -EFAULT;
}
if ((unsigned long) &vtime != VSYSCALL_ADDR(__NR_vtime)) {
printk("vtime link addr broken\n");
printk("VSYSCALL: vsyscall_init failed!\n");
return -EFAULT;
}
if (VSYSCALL_ADDR(0) != __fix_to_virt(FIX_VSYSCALL_GTOD_FIRST_PAGE)) {
printk("fixmap first vsyscall 0x%lx should be 0x%x\n",
__fix_to_virt(FIX_VSYSCALL_GTOD_FIRST_PAGE),
VSYSCALL_ADDR(0));
printk("VSYSCALL: vsyscall_init failed!\n");
return -EFAULT;
}
printk("passed...mapping...");
map_vsyscall();
printk("done.\n");
vsyscall_mapped = 1;
printk("VSYSCALL: fixmap virt addr: 0x%lx\n",
__fix_to_virt(FIX_VSYSCALL_GTOD_FIRST_PAGE));
return 0;
}
static int __init vsyscall_init(void)
{
if ((unsigned long) &vgettimeofday != VSYSCALL_ADDR(__NR_vgettimeofday))
panic("vgettimeofday link addr broken");
if ((unsigned long) &vtime != VSYSCALL_ADDR(__NR_vtime))
panic("vtime link addr broken");
if (VSYSCALL_ADDR(0) != __fix_to_virt(VSYSCALL_FIRST_PAGE))
panic("fixmap first vsyscall %lx should be %lx", __fix_to_virt(VSYSCALL_FIRST_PAGE),
VSYSCALL_ADDR(0));
map_vsyscall();
return 0;
}
