- 08 Aug, 2016 4 commits
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David S. Miller authored
Phil Sutter says: ==================== sctp_diag: A bunch of fixes for upcoming 'ss' support The following series contains a number of fixes necessary to make my yet unpublished 'ss' support patch functional. Changes since v1: - Fixed patch 2/3 - Rebased whole series onto current net-next/master Changes since v2: - Improved description of patch 2/3 ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Phil Sutter authored
Since 'ss' always adds TCPF_CLOSE to idiag_states flags, sctp_diag can't rely upon TCPF_LISTEN flag solely being present when listening sockets are requested. Signed-off-by:
Phil Sutter <phil@nwl.cc> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Phil Sutter authored
The asoc's timer value is not kept in asoc->timeouts array but in it's primary transport instead. Furthermore, we must export the timer only if it is pending, otherwise the value will underrun when stored in an unsigned variable and user space will only see a very large timeout value. Signed-off-by:
Phil Sutter <phil@nwl.cc> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Phil Sutter authored
This is required to correctly interpret INET_DIAG_INFO messages exported by sctp_diag module. Signed-off-by:
Phil Sutter <phil@nwl.cc> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 07 Aug, 2016 4 commits
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Harini Katakam authored
USRIO and JUMBO CAPS have the same mask. Fix the same. Fixes: ce721a70 ("net: ethernet: cadence-macb: Add disabled usrio caps") Cc: stable@vger.kernel.org # v4.5+ Signed-off-by:
Harini Katakam <harinik@xilinx.com> Acked-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Merge tag 'mac80211-for-davem-2016-08-05' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 Johannes Berg says: ==================== First set of fixes for the current cycle: * fix 80+80 bandwidth warning * fix powersave with mac80211 TXQ implementation * use correct way to free SKBs from multicast buffering * mesh: fix operation ordering to work with all drivers * mesh: end service period even when peer goes away * mesh: correct HT opmode validity checks * pass hw pointer from mac80211 to driver in TPT method, fixing a bug (in a bit the wrong way, but that's what we have right now) ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Alexei Starovoitov authored
increase test coverage to check previously missing 'update when full' Signed-off-by:
Alexei Starovoitov <ast@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Alexei Starovoitov authored
The introduction of pre-allocated hash elements inadvertently broke the behavior of bpf hash maps where users expected to call bpf_map_update_elem() without considering that the map can be full. Some programs do: old_value = bpf_map_lookup_elem(map, key); if (old_value) { ... prepare new_value on stack ... bpf_map_update_elem(map, key, new_value); } Before pre-alloc the update() for existing element would work even in 'map full' condition. Restore this behavior. The above program could have updated old_value in place instead of update() which would be faster and most programs use that approach, but sometimes the values are large and the programs use update() helper to do atomic replacement of the element. Note we cannot simply update element's value in-place like percpu hash map does and have to allocate extra num_possible_cpu elements and use this extra reserve when the map is full. Fixes: 6c905981 ("bpf: pre-allocate hash map elements") Signed-off-by:
Alexei Starovoitov <ast@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 06 Aug, 2016 5 commits
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Geert Uytterhoeven authored
On 32-bit (e.g. with m68k-linux-gnu-gcc-4.1): drivers/net/dsa/b53/b53_common.c: In function ‘b53_arl_read’: drivers/net/dsa/b53/b53_common.c:1072: warning: integer constant is too large for ‘long’ type Fixes: 1da6df85 ("net: dsa: b53: Implement ARL add/del/dump operations") Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David Forster authored
Panic occurs when issuing "cat /proc/net/route" whilst populating FIB with > 1M routes. Use of cached node pointer in fib_route_get_idx is unsafe. BUG: unable to handle kernel paging request at ffffc90001630024 IP: [<ffffffff814cf6a0>] leaf_walk_rcu+0x10/0xe0 PGD 11b08d067 PUD 11b08e067 PMD dac4b067 PTE 0 Oops: 0000 [#1] SMP Modules linked in: nfsd auth_rpcgss oid_registry nfs_acl nfs lockd grace fscac snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep virti acpi_cpufreq button parport_pc ppdev lp parport autofs4 ext4 crc16 mbcache jbd tio_ring virtio floppy uhci_hcd ehci_hcd usbcore usb_common libata scsi_mod CPU: 1 PID: 785 Comm: cat Not tainted 4.2.0-rc8+ #4 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007 task: ffff8800da1c0bc0 ti: ffff88011a05c000 task.ti: ffff88011a05c000 RIP: 0010:[<ffffffff814cf6a0>] [<ffffffff814cf6a0>] leaf_walk_rcu+0x10/0xe0 RSP: 0018:ffff88011a05fda0 EFLAGS: 00010202 RAX: ffff8800d8a40c00 RBX: ffff8800da4af940 RCX: ffff88011a05ff20 RDX: ffffc90001630020 RSI: 0000000001013531 RDI: ffff8800da4af950 RBP: 0000000000000000 R08: ffff8800da1f9a00 R09: 0000000000000000 R10: ffff8800db45b7e4 R11: 0000000000000246 R12: ffff8800da4af950 R13: ffff8800d97a74c0 R14: 0000000000000000 R15: ffff8800d97a7480 FS: 00007fd3970e0700(0000) GS:ffff88011fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: ffffc90001630024 CR3: 000000011a7e4000 CR4: 00000000000006e0 Stack: ffffffff814d00d3 0000000000000000 ffff88011a05ff20 ffff8800da1f9a00 ffffffff811dd8b9 0000000000000800 0000000000020000 00007fd396f35000 ffffffff811f8714 0000000000003431 ffffffff8138dce0 0000000000000f80 Call Trace: [<ffffffff814d00d3>] ? fib_route_seq_start+0x93/0xc0 [<ffffffff811dd8b9>] ? seq_read+0x149/0x380 [<ffffffff811f8714>] ? fsnotify+0x3b4/0x500 [<ffffffff8138dce0>] ? process_echoes+0x70/0x70 [<ffffffff8121cfa7>] ? proc_reg_read+0x47/0x70 [<ffffffff811bb823>] ? __vfs_read+0x23/0xd0 [<ffffffff811bbd42>] ? rw_verify_area+0x52/0xf0 [<ffffffff811bbe61>] ? vfs_read+0x81/0x120 [<ffffffff811bcbc2>] ? SyS_read+0x42/0xa0 [<ffffffff81549ab2>] ? entry_SYSCALL_64_fastpath+0x16/0x75 Code: 48 85 c0 75 d8 f3 c3 31 c0 c3 f3 c3 66 66 66 66 66 66 2e 0f 1f 84 00 00 a 04 89 f0 33 02 44 89 c9 48 d3 e8 0f b6 4a 05 49 89 RIP [<ffffffff814cf6a0>] leaf_walk_rcu+0x10/0xe0 RSP <ffff88011a05fda0> CR2: ffffc90001630024 Signed-off-by:
Dave Forster <dforster@brocade.com> Acked-by:
Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David Howells authored
Inside the kafs filesystem it is possible to occasionally have a call processed and terminated before we've had a chance to check whether we need to clean up the rx queue for that call because afs_send_simple_reply() ends the call when it is done, but this is done in a workqueue item that might happen to run to completion before afs_deliver_to_call() completes. Further, it is possible for rxrpc_kernel_send_data() to be called to send a reply before the last request-phase data skb is released. The rxrpc skb destructor is where the ACK processing is done and the call state is advanced upon release of the last skb. ACK generation is also deferred to a work item because it's possible that the skb destructor is not called in a context where kernel_sendmsg() can be invoked. To this end, the following changes are made: (1) kernel_rxrpc_data_consumed() is added. This should be called whenever an skb is emptied so as to crank the ACK and call states. This does not release the skb, however. kernel_rxrpc_free_skb() must now be called to achieve that. These together replace rxrpc_kernel_data_delivered(). (2) kernel_rxrpc_data_consumed() is wrapped by afs_data_consumed(). This makes afs_deliver_to_call() easier to work as the skb can simply be discarded unconditionally here without trying to work out what the return value of the ->deliver() function means. The ->deliver() functions can, via afs_data_complete(), afs_transfer_reply() and afs_extract_data() mark that an skb has been consumed (thereby cranking the state) without the need to conditionally free the skb to make sure the state is correct on an incoming call for when the call processor tries to send the reply. (3) rxrpc_recvmsg() now has to call kernel_rxrpc_data_consumed() when it has finished with a packet and MSG_PEEK isn't set. (4) rxrpc_packet_destructor() no longer calls rxrpc_hard_ACK_data(). Because of this, we no longer need to clear the destructor and put the call before we free the skb in cases where we don't want the ACK/call state to be cranked. (5) The ->deliver() call-type callbacks are made to return -EAGAIN rather than 0 if they expect more data (afs_extract_data() returns -EAGAIN to the delivery function already), and the caller is now responsible for producing an abort if that was the last packet. (6) There are many bits of unmarshalling code where: ret = afs_extract_data(call, skb, last, ...); switch (ret) { case 0: break; case -EAGAIN: return 0; default: return ret; } is to be found. As -EAGAIN can now be passed back to the caller, we now just return if ret < 0: ret = afs_extract_data(call, skb, last, ...); if (ret < 0) return ret; (7) Checks for trailing data and empty final data packets has been consolidated as afs_data_complete(). So: if (skb->len > 0) return -EBADMSG; if (!last) return 0; becomes: ret = afs_data_complete(call, skb, last); if (ret < 0) return ret; (8) afs_transfer_reply() now checks the amount of data it has against the amount of data desired and the amount of data in the skb and returns an error to induce an abort if we don't get exactly what we want. Without these changes, the following oops can occasionally be observed, particularly if some printks are inserted into the delivery path: general protection fault: 0000 [#1] SMP Modules linked in: kafs(E) af_rxrpc(E) [last unloaded: af_rxrpc] CPU: 0 PID: 1305 Comm: kworker/u8:3 Tainted: G E 4.7.0-fsdevel+ #1303 Hardware name: ASUS All Series/H97-PLUS, BIOS 2306 10/09/2014 Workqueue: kafsd afs_async_workfn [kafs] task: ffff88040be041c0 ti: ffff88040c070000 task.ti: ffff88040c070000 RIP: 0010:[<ffffffff8108fd3c>] [<ffffffff8108fd3c>] __lock_acquire+0xcf/0x15a1 RSP: 0018:ffff88040c073bc0 EFLAGS: 00010002 RAX: 6b6b6b6b6b6b6b6b RBX: 0000000000000000 RCX: ffff88040d29a710 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88040d29a710 RBP: ffff88040c073c70 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88040be041c0 R15: ffffffff814c928f FS: 0000000000000000(0000) GS:ffff88041fa00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa4595f4750 CR3: 0000000001c14000 CR4: 00000000001406f0 Stack: 0000000000000006 000000000be04930 0000000000000000 ffff880400000000 ffff880400000000 ffffffff8108f847 ffff88040be041c0 ffffffff81050446 ffff8803fc08a920 ffff8803fc08a958 ffff88040be041c0 ffff88040c073c38 Call Trace: [<ffffffff8108f847>] ? mark_held_locks+0x5e/0x74 [<ffffffff81050446>] ? __local_bh_enable_ip+0x9b/0xa1 [<ffffffff8108f9ca>] ? trace_hardirqs_on_caller+0x16d/0x189 [<ffffffff810915f4>] lock_acquire+0x122/0x1b6 [<ffffffff810915f4>] ? lock_acquire+0x122/0x1b6 [<ffffffff814c928f>] ? skb_dequeue+0x18/0x61 [<ffffffff81609dbf>] _raw_spin_lock_irqsave+0x35/0x49 [<ffffffff814c928f>] ? skb_dequeue+0x18/0x61 [<ffffffff814c928f>] skb_dequeue+0x18/0x61 [<ffffffffa009aa92>] afs_deliver_to_call+0x344/0x39d [kafs] [<ffffffffa009ab37>] afs_process_async_call+0x4c/0xd5 [kafs] [<ffffffffa0099e9c>] afs_async_workfn+0xe/0x10 [kafs] [<ffffffff81063a3a>] process_one_work+0x29d/0x57c [<ffffffff81064ac2>] worker_thread+0x24a/0x385 [<ffffffff81064878>] ? rescuer_thread+0x2d0/0x2d0 [<ffffffff810696f5>] kthread+0xf3/0xfb [<ffffffff8160a6ff>] ret_from_fork+0x1f/0x40 [<ffffffff81069602>] ? kthread_create_on_node+0x1cf/0x1cf Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Wei Yongjun authored
commit a94efbd7 ("ethernet: arc: emac_main: add missing of_node_put after calling of_parse_phandle") added missing of_node_put after calling of_parse_phandle, but missing the devm_ioremap_resource() error handling case. Signed-off-by:
Wei Yongjun <weiyj.lk@gmail.com> Reviewed-by:
Peter Chen <peter.chen@nxp.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ian Wienand authored
net_device->ndo_set_rx_headroom (introduced in 871b642a) says "Setting a negtaive value reset the rx headroom to the default value". It seems that the OVS implementation in 3a927bc7 overlooked this and sets dev->needed_headroom unconditionally. This doesn't have an immediate effect, but can mess up later LL_RESERVED_SPACE calculations, such as done in net/ipv6/mcast.c:mld_newpack. For reference, this issue was found from a skb_panic raised there after the length calculations had given the wrong result. Note the other current users of this interface (drivers/net/tun.c:tun_set_headroom and drivers/net/veth.c:veth_set_rx_headroom) are both checking this correctly thus need no modification. Thanks to Ben for some pointers from the crash dumps! Cc: Benjamin Poirier <bpoirier@suse.com> Cc: Paolo Abeni <pabeni@redhat.com> Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1361414Signed-off-by:
Ian Wienand <iwienand@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 05 Aug, 2016 4 commits
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Maxim Altshul authored
The variable is added to allow the driver an easy access to it's own hw->priv when the op is invoked. This fixes a crash in wlcore because it was relying on a station pointer that wasn't initialized yet. It's the wrong way to fix the crash, but it solves the problem for now and it does make sense to have the hw pointer here. Signed-off-by:
Maxim Altshul <maxim.altshul@ti.com> [rewrite commit message, fix indentation] Signed-off-by:
Johannes Berg <johannes.berg@intel.com>
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Masashi Honma authored
Previously, NL80211_MESHCONF_HT_OPMODE validation rejected correct flag combinations, e.g. IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED | IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT. Doing just a range-check allows setting flags that don't exist (0x8) and invalid flag combinations. Implements some checks based on IEEE 802.11 2012 8.4.2.59 "HT Operation element". Signed-off-by:
Masashi Honma <masashi.honma@gmail.com> [reword commit message, simplify a bit] Signed-off-by:
Johannes Berg <johannes.berg@intel.com>
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Masashi Honma authored
If QoS frame with EOSP (end of service period) subfield=1 sent by local peer was not acked by remote peer, local peer did not end the MPSP. This prevents local peer from going to DOZE state. And if the remote peer goes away without closing connection, local peer continues AWAKE state and wastes battery. Signed-off-by:
Masashi Honma <masashi.honma@gmail.com> Acked-by:
Bob Copeland <me@bobcopeland.com> Signed-off-by:
Johannes Berg <johannes.berg@intel.com>
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Felix Fietkau authored
The code currently assumes that buffered multicast PS frames don't have a pending ACK frame for tx status reporting. However, hostapd sends a broadcast deauth frame on teardown for which tx status is requested. This can lead to the "Have pending ack frames" warning on module reload. Fix this by using ieee80211_free_txskb/ieee80211_purge_tx_queue. Cc: stable@vger.kernel.org Signed-off-by:
Felix Fietkau <nbd@nbd.name> Signed-off-by:
Johannes Berg <johannes.berg@intel.com>
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- 03 Aug, 2016 15 commits
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David S. Miller authored
Manish Chopra says: ==================== qlcnic: bug fixes This series fixes a data structure corruption bug in VF's async mailbox commands handling and an issue realted to napi poll budget in the driver. Please consider applying this series to "net" ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Manish Chopra authored
Signed-off-by:
Manish Chopra <manish.chopra@qlogic.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Manish Chopra authored
Driver modifies the supplied NAPI budget in qlcnic_83xx_msix_tx_poll() function. Instead, it should use the budget as it is. Signed-off-by:
Manish Chopra <manish.chopra@qlogic.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Manish Chopra authored
This patch fixes a data structure corruption bug in the SRIOV VF mailbox handler code. While handling mailbox commands from the atomic context, driver is accessing and updating qlcnic_async_work_list_struct entry fields in the async work list. These fields could be concurrently accessed by the work function resulting in data corruption. This patch restructures async mbx command handling by using a separate async command list instead of using a list of work_struct structures. A single work_struct is used to schedule and handle the async commands with proper locking mechanism. Signed-off-by:
Rajesh Borundia <rajesh.borundia@qlogic.com> Signed-off-by:
Sony Chacko <sony.chacko@qlogic.com> Signed-off-by:
Manish Chopra <manish.chopra@qlogic.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Siva Reddy Kallam says: ==================== tg3: Disallow 0 rx coalesce time and correctly report RSS queues in tg3_get_rxnfc First patch: Diasllow rx coalescing time to be 0 Second patch: Report the correct number of RSS queues through tg3_get_rxnfc ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Siva Reddy Kallam authored
This patch remove the wrong substraction from info->data in tg3_get_rxnfc function. Without this patch, the number of RSS queues reported is less by one. Reported-by:
Michal Soltys <soltys@ziu.info> Signed-off-by:
Siva Reddy Kallam <siva.kallam@broadcom.com> Signed-off-by:
Michael Chan <michael.chan@broadcom.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Satish Baddipadige authored
When the rx coalescing time is 0, interrupts are not generated from the controller and rx path hangs. To avoid this rx hang, updating the driver to not allow rx coalescing time to be 0. Signed-off-by:
Satish Baddipadige <satish.baddipadige@broadcom.com> Signed-off-by:
Siva Reddy Kallam <siva.kallam@broadcom.com> Signed-off-by:
Michael Chan <michael.chan@broadcom.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
Using per-register incrementing ID can lead to find_good_pkt_pointers() confusing registers which have completely different values. Consider example: 0: (bf) r6 = r1 1: (61) r8 = *(u32 *)(r6 +76) 2: (61) r0 = *(u32 *)(r6 +80) 3: (bf) r7 = r8 4: (07) r8 += 32 5: (2d) if r8 > r0 goto pc+9 R0=pkt_end R1=ctx R6=ctx R7=pkt(id=0,off=0,r=32) R8=pkt(id=0,off=32,r=32) R10=fp 6: (bf) r8 = r7 7: (bf) r9 = r7 8: (71) r1 = *(u8 *)(r7 +0) 9: (0f) r8 += r1 10: (71) r1 = *(u8 *)(r7 +1) 11: (0f) r9 += r1 12: (07) r8 += 32 13: (2d) if r8 > r0 goto pc+1 R0=pkt_end R1=inv56 R6=ctx R7=pkt(id=0,off=0,r=32) R8=pkt(id=1,off=32,r=32) R9=pkt(id=1,off=0,r=32) R10=fp 14: (71) r1 = *(u8 *)(r9 +16) 15: (b7) r7 = 0 16: (bf) r0 = r7 17: (95) exit We need to get a UNKNOWN_VALUE with imm to force id generation so lines 0-5 make r7 a valid packet pointer. We then read two different bytes from the packet and add them to copies of the constructed packet pointer. r8 (line 9) and r9 (line 11) will get the same id of 1, independently. When either of them is validated (line 13) - find_good_pkt_pointers() will also mark the other as safe. This leads to access on line 14 being mistakenly considered safe. Fixes: 969bf05e ("bpf: direct packet access") Signed-off-by:
Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by:
Alexei Starovoitov <ast@kernel.org> Acked-by:
Daniel Borkmann <daniel@iogearbox.net> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arnd Bergmann authored
Building with -Wmaybe-uninitialized shows a potential use of an uninitialized variable: drivers/net/ethernet/apm/xgene/xgene_enet_hw.c: In function 'xgene_enet_phy_connect': drivers/net/ethernet/apm/xgene/xgene_enet_hw.c:802:23: warning: 'phy_dev' may be used uninitialized in this function [-Wmaybe-uninitialized] Although the compiler correctly identified this based on the function, the current code is still safe as long dev->of_node is non-NULL for the case of CONFIG_ACPI=n, which is currently the case. The warning is now disabled by default, but still appears when building with W=1, and other build test tools should be able to detect it as well. Adding an #else clause here makes the code more robust and makes it clear to the compiler that this cannot happen. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Fixes: 8089a96f ("drivers: net: xgene: Add backward compatibility") Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jarno Rajahalme authored
ovs_ct_find_existing() issues a warning if an existing conntrack entry classified as IP_CT_NEW is found, with the premise that this should not happen. However, a newly confirmed, non-expected conntrack entry remains IP_CT_NEW as long as no reply direction traffic is seen. This has resulted into somewhat confusing kernel log messages. This patch removes this check and warning. Fixes: 289f2253 ("openvswitch: Find existing conntrack entry after upcall.") Suggested-by:
Joe Stringer <joe@ovn.org> Signed-off-by:
Jarno Rajahalme <jarno@ovn.org> Acked-by:
Joe Stringer <joe@ovn.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-traceLinus Torvalds authored
Pull tracing fixes from Steven Rostedt: "A few updates and fixes: - move the suppressing of the __builtin_return_address >0 warning to the tracing directory only. - metag recordmcount fix for newer glibc's - two tracing histogram fixes that were reported by KASAN" * tag 'trace-v4.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Fix use-after-free in hist_register_trigger() tracing: Fix use-after-free in hist_unreg_all/hist_enable_unreg_all Makefile: Mute warning for __builtin_return_address(>0) for tracing only ftrace/recordmcount: Work around for addition of metag magic but not relocations
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Geert Uytterhoeven authored
With gcc < 4.2 (e.g. 4.1.2): CC fs/proc/task_mmu.o cc1: error: unrecognized command line option "-Wno-override-init" To fix this, only enable the compiler option when it is actually supported by the compiler. Fixes: ca52953f ("fs/proc/task_mmu.c: suppress compilation warnings with W=1") Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Acked-by:
Valdis Kletnieks <valdis.kletnieks@vt.edu> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) Fix several cases of missing of_node_put() calls in various networking drivers. From Peter Chen. 2) Don't try to remove unconfigured VLANs in qed driver, from Yuval Mintz. 3) Unbalanced locking in TIPC error handling, from Wei Yongjun. 4) Fix lockups in CPDMA driver, from Grygorii Strashko. 5) More MACSEC refcount et al fixes, from Sabrina Dubroca. 6) Fix MAC address setting in r8169 during runtime suspend, from Chun-Hao Lin. 7) Various printf format specifier fixes, from Heinrich Schuchardt. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (59 commits) qed: Fail driver load in 100g MSI mode. ethernet: ti: davinci_emac: add missing of_node_put after calling of_parse_phandle ethernet: stmicro: stmmac: add missing of_node_put after calling of_parse_phandle ethernet: stmicro: stmmac: dwmac-socfpga: add missing of_node_put after calling of_parse_phandle ethernet: renesas: sh_eth: add missing of_node_put after calling of_parse_phandle ethernet: renesas: ravb_main: add missing of_node_put after calling of_parse_phandle ethernet: marvell: pxa168_eth: add missing of_node_put after calling of_parse_phandle ethernet: marvell: mvpp2: add missing of_node_put after calling of_parse_phandle ethernet: marvell: mvneta: add missing of_node_put after calling of_parse_phandle ethernet: hisilicon: hns: hns_dsaf_main: add missing of_node_put after calling of_parse_phandle ethernet: hisilicon: hns: hns_dsaf_mac: add missing of_node_put after calling of_parse_phandle ethernet: cavium: octeon: add missing of_node_put after calling of_parse_phandle ethernet: aurora: nb8800: add missing of_node_put after calling of_parse_phandle ethernet: arc: emac_main: add missing of_node_put after calling of_parse_phandle ethernet: apm: xgene: add missing of_node_put after calling of_parse_phandle ethernet: altera: add missing of_node_put 8139too: fix system hang when there is a tx timeout event. qed: Fix error return code in qed_resc_alloc() net: qlcnic: avoid superfluous assignement dsa: b53: remove redundant if ...
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Maital Hahn authored
Some drivers (e.g. wl18xx) expect that the last stage in the de-initialization process will be stopping the beacons, similar to AP flow. Update ieee80211_stop_mesh() flow accordingly. As peers can be removed dynamically, this would not impact other drivers. Tested also on Ralink RT3572 chipset. Signed-off-by:
Maital Hahn <maitalm@ti.com> Signed-off-by:
Yaniv Machani <yanivma@ti.com> Signed-off-by:
Johannes Berg <johannes.berg@intel.com>
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Linus Torvalds authored
Merge yet more updates from Andrew Morton: - the rest of ocfs2 - various hotfixes, mainly MM - quite a bit of misc stuff - drivers, fork, exec, signals, etc. - printk updates - firmware - checkpatch - nilfs2 - more kexec stuff than usual - rapidio updates - w1 things * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (111 commits) ipc: delete "nr_ipc_ns" kcov: allow more fine-grained coverage instrumentation init/Kconfig: add clarification for out-of-tree modules config: add android config fragments init/Kconfig: ban CONFIG_LOCALVERSION_AUTO with allmodconfig relay: add global mode support for buffer-only channels init: allow blacklisting of module_init functions w1:omap_hdq: fix regression w1: add helper macro module_w1_family w1: remove need for ida and use PLATFORM_DEVID_AUTO rapidio/switches: add driver for IDT gen3 switches powerpc/fsl_rio: apply changes for RIO spec rev 3 rapidio: modify for rev.3 specification changes rapidio: change inbound window size type to u64 rapidio/idt_gen2: fix locking warning rapidio: fix error handling in mbox request/release functions rapidio/tsi721_dma: advance queue processing from transfer submit call rapidio/tsi721: add messaging mbox selector parameter rapidio/tsi721: add PCIe MRRS override parameter rapidio/tsi721_dma: add channel mask and queue size parameters ...
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- 02 Aug, 2016 8 commits
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git://github.com/martinbrandenburg/linuxLinus Torvalds authored
Pull orangefs update from Martin Brandenburg: "Kernel side caching and executable bugfix This allows OrangeFS to utilize the dcache and adds an in kernel attribute cache. We previously used the user side client for this purpose. We see a modest performance increase on small file operations. For example, without the cache, compiling coreutils takes about 17 minutes. With the patch and a 50 millisecond timeout for dcache_timeout_msecs and getattr_timeout_msecs (the default), compiling coreutils takes about 6 minutes 20 seconds. On the same hardware, compiling coreutils on an xfs filesystem takes 90 seconds. We see similar improvements with mdtest and a test involving writing, reading, and deleting a large number of small files. Interested parties can review more data at the following URL. https://docs.google.com/spreadsheets/d/1v4aUeppKexIbRMz_Yn9k4eaM3uy2KCaPoe_93YKWOtA/pubhtml The eventual goal of this is to allow getdents to turn into a readdirplus to the OrangeFS server. The cache will be filled then, which should provide a performance benefit to the common case of readdir followed by getattr on each entry (i.e. ls -l). This also fixes a bug. When orangefs_inode_permission was added, it did not collect i_size from the OrangeFS server, since this presses an unnecessary load on the OrangeFS server. However, it left a case where i_size is never initialized. Then running an executable could fail. With this patch, size is always collected to be inserted into the cache. Thus the bug disappears. If this patch is not accepted during this merge window, we will send a one-line band-aid for this bug instead" * tag 'for-linus-v4.8' of git://github.com/martinbrandenburg/linux: Orangefs: update orangefs.txt orangefs: Account for jiffies wraparound. orangefs: Change default dcache and getattr timeout to 50 msec. orangefs: Allow dcache and getattr cache time to be configured. orangefs: Cache getattr results. orangefs: Use d_time to avoid excessive lookups
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git://github.com/ceph/ceph-clientLinus Torvalds authored
Pull Ceph updates from Ilya Dryomov: "The highlights are: - RADOS namespace support in libceph and CephFS (Zheng Yan and myself). The stopgaps added in 4.5 to deny access to inodes in namespaces are removed and CEPH_FEATURE_FS_FILE_LAYOUT_V2 feature bit is now fully supported - A large rework of the MDS cap flushing code (Zheng Yan) - Handle some of ->d_revalidate() in RCU mode (Jeff Layton). We were overly pessimistic before, bailing at the first sight of LOOKUP_RCU On top of that we've got a few CephFS bug fixes, a couple of cleanups and Arnd's workaround for a weird genksyms issue" * tag 'ceph-for-4.8-rc1' of git://github.com/ceph/ceph-client: (34 commits) ceph: fix symbol versioning for ceph_monc_do_statfs ceph: Correctly return NXIO errors from ceph_llseek ceph: Mark the file cache as unreclaimable ceph: optimize cap flush waiting ceph: cleanup ceph_flush_snaps() ceph: kick cap flushes before sending other cap message ceph: introduce an inode flag to indicates if snapflush is needed ceph: avoid sending duplicated cap flush message ceph: unify cap flush and snapcap flush ceph: use list instead of rbtree to track cap flushes ceph: update types of some local varibles ceph: include 'follows' of pending snapflush in cap reconnect message ceph: update cap reconnect message to version 3 ceph: mount non-default filesystem by name libceph: fsmap.user subscription support ceph: handle LOOKUP_RCU in ceph_d_revalidate ceph: allow dentry_lease_is_valid to work under RCU walk ceph: clear d_fsinfo pointer under d_lock ceph: remove ceph_mdsc_lease_release ceph: don't use ->d_time ...
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Alexey Dobriyan authored
Write-only variable. Link: http://lkml.kernel.org/r/20160708214356.GA6785@p183.telecom.bySigned-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Vegard Nossum authored
For more targeted fuzzing, it's better to disable kernel-wide instrumentation and instead enable it on a per-subsystem basis. This follows the pattern of UBSAN and allows you to compile in the kcov driver without instrumenting the whole kernel. To instrument a part of the kernel, you can use either # for a single file in the current directory KCOV_INSTRUMENT_filename.o := y or # for all the files in the current directory (excluding subdirectories) KCOV_INSTRUMENT := y or # (same as above) ccflags-y += $(CFLAGS_KCOV) or # for all the files in the current directory (including subdirectories) subdir-ccflags-y += $(CFLAGS_KCOV) Link: http://lkml.kernel.org/r/1464008380-11405-1-git-send-email-vegard.nossum@oracle.comSigned-off-by:
Vegard Nossum <vegard.nossum@oracle.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Valdis Kletnieks authored
It doesn't trim just symbols that are totally unused in-tree - it trims the symbols unused by any in-tree modules actually built. If you've done a 'make localmodconfig' and only build a hundred or so modules, it's pretty likely that your out-of-tree module will come up lacking something... Hopefully this will save the next guy from a Homer Simpson "D'oh!" moment. Link: http://lkml.kernel.org/r/10177.1469787292@turing-police.cc.vt.eduSigned-off-by:
Valdis Kletnieks <valdis.kletnieks@vt.edu> Cc: Michal Marek <mmarek@suse.cz> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Rob Herring authored
Copy the config fragments from the AOSP common kernel android-4.4 branch. It is becoming possible to run mainline kernels with Android, but the kernel defconfigs don't work as-is and debugging missing config options is a pain. Adding the config fragments into the kernel tree, makes configuring a mainline kernel as simple as: make ARCH=arm multi_v7_defconfig android-base.config android-recommended.config The following non-upstream config options were removed: CONFIG_NETFILTER_XT_MATCH_QTAGUID CONFIG_NETFILTER_XT_MATCH_QUOTA2 CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG CONFIG_PPPOLAC CONFIG_PPPOPNS CONFIG_SECURITY_PERF_EVENTS_RESTRICT CONFIG_USB_CONFIGFS_F_MTP CONFIG_USB_CONFIGFS_F_PTP CONFIG_USB_CONFIGFS_F_ACC CONFIG_USB_CONFIGFS_F_AUDIO_SRC CONFIG_USB_CONFIGFS_UEVENT CONFIG_INPUT_KEYCHORD CONFIG_INPUT_KEYRESET Link: http://lkml.kernel.org/r/1466708235-28593-1-git-send-email-robh@kernel.orgSigned-off-by:
Rob Herring <robh@kernel.org> Cc: Amit Pundir <amit.pundir@linaro.org> Cc: John Stultz <john.stultz@linaro.org> Cc: Dmitry Shmidt <dimitrysh@google.com> Cc: Rom Lemarchand <romlem@android.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Alexey Dobriyan authored
Doing patches with allmodconfig kernel compiled and committing stuff into local tree have unfortunate consequence: kernel version changes (as it should) leading to recompiling and relinking of several files even if they weren't touched (or interesting at all). This and "git-whatever" figuring out current version slow down compilation for no good reason. But lets face it, "allmodconfig" kernels don't care about kernel version, they are simply compile check guinea pigs. Make LOCALVERSION_AUTO depend on !COMPILE_TEST, so it doesn't sneak into allmodconfig .config. Link: http://lkml.kernel.org/r/20160707214954.GC31678@p183.telecom.bySigned-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Akash Goel authored
Commit 20d8b67c ("relay: add buffer-only channels; useful for early logging") added support to use channels with no associated files. This is useful when the exact location of relay file is not known or the the parent directory of relay file is not available, while creating the channel and the logging has to start right from the boot. But there was no provision to use global mode with buffer-only channels, which is added by this patch, without modifying the interface where initially there will be a dummy invocation of create_buf_file callback through which kernel client can convey the need of a global buffer. For the use case where drivers/kernel clients want a simple interface for the userspace, which enables them to capture data/logs from relay file inorder & without any post processing, support of Global buffer mode is warranted. Modules, like i915, using relay_open() in early init would have to later register their buffer-only relays, once debugfs is available, by calling relay_late_setup_files(). Hence relay_late_setup_files() symbol also needs to be exported. Link: http://lkml.kernel.org/r/1468404563-11653-1-git-send-email-akash.goel@intel.comSigned-off-by:
Akash Goel <akash.goel@intel.com> Cc: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro> Cc: Tom Zanussi <tzanussi@gmail.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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