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#ifndef _NET_EVENT_H
#define _NET_EVENT_H

/*
 *	Generic netevent notifiers
 *
 *	Authors:
 *      Tom Tucker              <tom@opengridcomputing.com>
 *      Steve Wise              <swise@opengridcomputing.com>
 *
 * 	Changes:
 */

struct dst_entry;
struct neighbour;

struct netevent_redirect {
	struct dst_entry *old;
	struct dst_entry *new;
	struct neighbour *neigh;
	const void *daddr;
};

enum netevent_notif_type {
	NETEVENT_NEIGH_UPDATE = 1, /* arg is struct neighbour ptr */
	NETEVENT_REDIRECT,	   /* arg is struct netevent_redirect ptr */
	NETEVENT_DELAY_PROBE_TIME_UPDATE, /* arg is struct neigh_parms ptr */
};

int register_netevent_notifier(struct notifier_block *nb);
int unregister_netevent_notifier(struct notifier_block *nb);
int call_netevent_notifiers(unsigned long val, void *v);

#endif
a href='/cgit.cgi/linux/net-next.git/diff/include/kvm?h=nds-private-remove&id=d7df2443cd5f67fc6ee7c05a88e4996e8177f91b&id2=a0615a16f7d0ceb5804d295203c302d496d8ee91'>diff)
powerpc/mm: Fix spurrious segfaults on radix with autonuma
When autonuma (Automatic NUMA balancing) marks a PTE inaccessible it clears all the protection bits but leave the PTE valid. With the Radix MMU, an attempt at executing from such a PTE will take a fault with bit 35 of SRR1 set "SRR1_ISI_N_OR_G". It is thus incorrect to treat all such faults as errors. We should pass them to handle_mm_fault() for autonuma to deal with. The case of pages that are really not executable is handled by the existing test for VM_EXEC further down. That leaves us with catching the kernel attempts at executing user pages. We can catch that earlier, even before we do find_vma. It is never valid on powerpc for the kernel to take an exec fault to begin with. So fold that test with the existing test for the kernel faulting on kernel addresses to bail out early. Fixes: 1d18ad026844 ("powerpc/mm: Detect instruction fetch denied and report") Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Acked-by: Balbir Singh <bsingharora@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'include/kvm')