[IA64] Prevent sn2 ptc code from executing on all ia64 subarches
Patch to prevent sn2_ptc_init code from attempting to load on non-sn2 systems when sn2_smp.c is built-in to generic kernel. Signed-off-by: Prarit Bhargava <prarit@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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@ -492,6 +492,9 @@ static struct proc_dir_entry *proc_sn2_ptc;
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static int __init sn2_ptc_init(void)
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static int __init sn2_ptc_init(void)
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{
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{
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if (!ia64_platform_is("sn2"))
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return -ENOSYS;
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if (!(proc_sn2_ptc = create_proc_entry(PTC_BASENAME, 0444, NULL))) {
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if (!(proc_sn2_ptc = create_proc_entry(PTC_BASENAME, 0444, NULL))) {
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printk(KERN_ERR "unable to create %s proc entry", PTC_BASENAME);
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printk(KERN_ERR "unable to create %s proc entry", PTC_BASENAME);
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return -EINVAL;
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return -EINVAL;
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