Revision bd0e162d0312aa95e8b85ba883efddebf27be121 authored by Linus Torvalds on 31 May 2012, 19:09:07 UTC, committed by Linus Torvalds on 31 May 2012, 19:09:07 UTC
Pull two small kvm fixes from Avi Kivity: "A build fix for non-kvm archs and a transparent hugepage refcount bugfix on hosts with 4M pages." * git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: Export asm-generic/kvm_para.h KVM: MMU: fix huge page adapted on non-PAE host
xt_cpu.c
/* Kernel module to match running CPU */
/*
* Might be used to distribute connections on several daemons, if
* RPS (Remote Packet Steering) is enabled or NIC is multiqueue capable,
* each RX queue IRQ affined to one CPU (1:1 mapping)
*
*/
/* (C) 2010 Eric Dumazet
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/skbuff.h>
#include <linux/netfilter/xt_cpu.h>
#include <linux/netfilter/x_tables.h>
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Eric Dumazet <eric.dumazet@gmail.com>");
MODULE_DESCRIPTION("Xtables: CPU match");
MODULE_ALIAS("ipt_cpu");
MODULE_ALIAS("ip6t_cpu");
static int cpu_mt_check(const struct xt_mtchk_param *par)
{
const struct xt_cpu_info *info = par->matchinfo;
if (info->invert & ~1)
return -EINVAL;
return 0;
}
static bool cpu_mt(const struct sk_buff *skb, struct xt_action_param *par)
{
const struct xt_cpu_info *info = par->matchinfo;
return (info->cpu == smp_processor_id()) ^ info->invert;
}
static struct xt_match cpu_mt_reg __read_mostly = {
.name = "cpu",
.revision = 0,
.family = NFPROTO_UNSPEC,
.checkentry = cpu_mt_check,
.match = cpu_mt,
.matchsize = sizeof(struct xt_cpu_info),
.me = THIS_MODULE,
};
static int __init cpu_mt_init(void)
{
return xt_register_match(&cpu_mt_reg);
}
static void __exit cpu_mt_exit(void)
{
xt_unregister_match(&cpu_mt_reg);
}
module_init(cpu_mt_init);
module_exit(cpu_mt_exit);
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