/* * netsniff-ng - the packet sniffing beast * Copyright 2009, 2010 Daniel Borkmann. * Subject to the GPL, version 2. */ #ifndef DISSECTOR_ETH_H #define DISSECTOR_ETH_H #include "hash.h" #include "proto.h" #include "protos.h" #include "tprintf.h" #include "oui.h" extern struct hash_table eth_lay2; extern struct hash_table eth_lay3; extern void dissector_init_ethernet(int fnttype); extern void dissector_cleanup_ethernet(void); extern char *lookup_port_udp(unsigned int id); extern char *lookup_port_tcp(unsigned int id); extern char *lookup_ether_type(unsigned int id); #ifdef __WITH_PROTOS static inline struct protocol *dissector_get_ethernet_entry_point(void) { return ðernet_ops; } static inline struct protocol *dissector_get_ethernet_exit_point(void) { return &none_ops; } #else static inline struct protocol *dissector_get_ethernet_entry_point(void) { return NULL; } static inline struct protocol *dissector_get_ethernet_exit_point(void) { return NULL; } #endif /* __WITH_PROTOS */ #endif /* DISSECTOR_ETH_H */ ion value='emaclite-cleanup'>emaclite-cleanup net-next plumbingsTobias Klauser
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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2017-02-03 17:10:28 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2017-02-08 23:36:29 +1100
commitd7df2443cd5f67fc6ee7c05a88e4996e8177f91b (patch)
tree098a7c0ca4fceb8a65cb1f693c9d71990388933d /net/ipv6/ndisc.c
parenta0615a16f7d0ceb5804d295203c302d496d8ee91 (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 'net/ipv6/ndisc.c')