# # B.A.T.M.A.N meshing protocol # config BATMAN_ADV tristate "B.A.T.M.A.N. Advanced Meshing Protocol" depends on NET select CRC16 select LIBCRC32C default n help B.A.T.M.A.N. (better approach to mobile ad-hoc networking) is a routing protocol for multi-hop ad-hoc mesh networks. The networks may be wired or wireless. See https://www.open-mesh.org/ for more information and user space tools. config BATMAN_ADV_BATMAN_V bool "B.A.T.M.A.N. V protocol (experimental)" depends on BATMAN_ADV && !(CFG80211=m && BATMAN_ADV=y) default n help This option enables the B.A.T.M.A.N. V protocol, the successor of the currently used B.A.T.M.A.N. IV protocol. The main changes include splitting of the OGM protocol into a neighbor discovery protocol (Echo Location Protocol, ELP) and a new OGM Protocol OGMv2 for flooding protocol information through the network, as well as a throughput based metric. B.A.T.M.A.N. V is currently considered experimental and not compatible to B.A.T.M.A.N. IV networks. config BATMAN_ADV_BLA bool "Bridge Loop Avoidance" depends on BATMAN_ADV && INET default y help This option enables BLA (Bridge Loop Avoidance), a mechanism to avoid Ethernet frames looping when mesh nodes are connected to both the same LAN and the same mesh. If you will never use more than one mesh node in the same LAN, you can safely remove this feature and save some space. config BATMAN_ADV_DAT bool "Distributed ARP Table" depends on BATMAN_ADV && INET default n help This option enables DAT (Distributed ARP Table), a DHT based mechanism that increases ARP reliability on sparse wireless mesh networks. If you think that your network does not need this option you can safely remove it and save some space. config BATMAN_ADV_NC bool "Network Coding" depends on BATMAN_ADV default n help This option enables network coding, a mechanism that aims to increase the overall network throughput by fusing multiple packets in one transmission. Note that interfaces controlled by batman-adv must be manually configured to have promiscuous mode enabled in order to make network coding work. If you think that your network does not need this feature you can safely disable it and save some space. config BATMAN_ADV_MCAST bool "Multicast optimisation" depends on BATMAN_ADV && INET && !(BRIDGE=m && BATMAN_ADV=y) default n help This option enables the multicast optimisation which aims to reduce the air overhead while improving the reliability of multicast messages. config BATMAN_ADV_DEBUGFS bool "batman-adv debugfs entries" depends on BATMAN_ADV depends on DEBUG_FS default y help Enable this to export routing related debug tables via debugfs. The information for each soft-interface and used hard-interface can be found under batman_adv/ If unsure, say Y. config BATMAN_ADV_DEBUG bool "B.A.T.M.A.N. debugging" depends on BATMAN_ADV_DEBUGFS help This is an option for use by developers; most people should say N here. This enables compilation of support for outputting debugging information to the kernel log. The output is controlled via the module parameter debug. 02fbec04fccf2eb0cc8d8082f65c0a4286'>power/cpupower/lib
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authorLaura Abbott <labbott@redhat.com>2016-12-21 12:32:54 -0800
committerHerbert Xu <herbert@gondor.apana.org.au>2016-12-27 17:32:11 +0800
commit02608e02fbec04fccf2eb0cc8d8082f65c0a4286 (patch)
tree37ff0410d130cfe77185f591b07cd6403f207f0c /tools/power/cpupower/lib
parent7ce7d89f48834cefece7804d38fc5d85382edf77 (diff)
crypto: testmgr - Use heap buffer for acomp test input
Christopher Covington reported a crash on aarch64 on recent Fedora kernels: kernel BUG at ./include/linux/scatterlist.h:140! Internal error: Oops - BUG: 0 [#1] PREEMPT SMP Modules linked in: CPU: 2 PID: 752 Comm: cryptomgr_test Not tainted 4.9.0-11815-ge93b1cc #162 Hardware name: linux,dummy-virt (DT) task: ffff80007c650080 task.stack: ffff800008910000 PC is at sg_init_one+0xa0/0xb8 LR is at sg_init_one+0x24/0xb8 ... [<ffff000008398db8>] sg_init_one+0xa0/0xb8 [<ffff000008350a44>] test_acomp+0x10c/0x438 [<ffff000008350e20>] alg_test_comp+0xb0/0x118 [<ffff00000834f28c>] alg_test+0x17c/0x2f0 [<ffff00000834c6a4>] cryptomgr_test+0x44/0x50 [<ffff0000080dac70>] kthread+0xf8/0x128 [<ffff000008082ec0>] ret_from_fork+0x10/0x50 The test vectors used for input are part of the kernel image. These inputs are passed as a buffer to sg_init_one which eventually blows up with BUG_ON(!virt_addr_valid(buf)). On arm64, virt_addr_valid returns false for the kernel image since virt_to_page will not return the correct page. Fix this by copying the input vectors to heap buffer before setting up the scatterlist. Reported-by: Christopher Covington <cov@codeaurora.org> Fixes: d7db7a882deb ("crypto: acomp - update testmgr with support for acomp") Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'tools/power/cpupower/lib')