- 28 8月, 2015 15 次提交
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由 Iyappan Subramanian 提交于
Signed-off-by: NIyappan Subramanian <isubramanian@apm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Iyappan Subramanian 提交于
- Rearranged descriptor writes - Moved increment command write to xgene_enet_setup_tx_desc Signed-off-by: NIyappan Subramanian <isubramanian@apm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Joe Stringer says: ==================== OVS conntrack support The goal of this series is to allow OVS to send packets through the Linux kernel connection tracker, and subsequently match on fields populated by conntrack. This functionality is enabled through a new CONFIG_OPENVSWITCH_CONNTRACK option. This version addresses the feedback from v5, primarily checking the behaviour is correct with different configurations such as disabling CONFIG_OPENVSWITCH_CONNTRACK or disabling individual conntrack features like connlabels. The branch below has been updated with the corresponding userspace pieces: https://github.com/joestringer/ovs dev/ct_20150818 ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Joe Stringer 提交于
Add support for using conntrack helpers to assist protocol detection. The new OVS_CT_ATTR_HELPER attribute of the CT action specifies a helper to be used for this connection. If no helper is specified, then helpers will be automatically applied as per the sysctl configuration of net.netfilter.nf_conntrack_helper. The helper may be specified as part of the conntrack action, eg: ct(helper=ftp). Initial packets for related connections should be committed to allow later packets for the flow to be considered established. Example ovs-ofctl flows allowing FTP connections from ports 1->2: in_port=1,tcp,action=ct(helper=ftp,commit),2 in_port=2,tcp,ct_state=-trk,action=ct(recirc) in_port=2,tcp,ct_state=+trk-new+est,action=1 in_port=2,tcp,ct_state=+trk+rel,action=1 Signed-off-by: NJoe Stringer <joestringer@nicira.com> Acked-by: NThomas Graf <tgraf@suug.ch> Acked-by: NPravin B Shelar <pshelar@nicira.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Joe Stringer 提交于
Allow matching and setting the ct_label field. As with ct_mark, this is populated by executing the CT action. The label field may be modified by specifying a label and mask nested under the CT action. It is stored as metadata attached to the connection. Label modification occurs after lookup, and will only persist when the conntrack entry is committed by providing the COMMIT flag to the CT action. Labels are currently fixed to 128 bits in size. Signed-off-by: NJoe Stringer <joestringer@nicira.com> Acked-by: NThomas Graf <tgraf@suug.ch> Acked-by: NPravin B Shelar <pshelar@nicira.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Joe Stringer 提交于
Add functions to change connlabel length into nf_conntrack_labels.c so they may be reused by other modules like OVS and nftables without needing to jump through xt_match_check() hoops. Suggested-by: NFlorian Westphal <fw@strlen.de> Signed-off-by: NJoe Stringer <joestringer@nicira.com> Acked-by: NFlorian Westphal <fw@strlen.de> Acked-by: NThomas Graf <tgraf@suug.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Joe Stringer 提交于
The following patches will reuse this code from OVS. Signed-off-by: NJoe Stringer <joestringer@nicira.com> Acked-by: NPravin B Shelar <pshelar@nicira.com> Acked-by: NThomas Graf <tgraf@suug.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Joe Stringer 提交于
Allow matching and setting the ct_mark field. As with ct_state and ct_zone, these fields are populated when the CT action is executed. To write to this field, a value and mask can be specified as a nested attribute under the CT action. This data is stored with the conntrack entry, and is executed after the lookup occurs for the CT action. The conntrack entry itself must be committed using the COMMIT flag in the CT action flags for this change to persist. Signed-off-by: NJustin Pettit <jpettit@nicira.com> Signed-off-by: NJoe Stringer <joestringer@nicira.com> Acked-by: NThomas Graf <tgraf@suug.ch> Acked-by: NPravin B Shelar <pshelar@nicira.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Joe Stringer 提交于
Expose the kernel connection tracker via OVS. Userspace components can make use of the CT action to populate the connection state (ct_state) field for a flow. This state can be subsequently matched. Exposed connection states are OVS_CS_F_*: - NEW (0x01) - Beginning of a new connection. - ESTABLISHED (0x02) - Part of an existing connection. - RELATED (0x04) - Related to an established connection. - INVALID (0x20) - Could not track the connection for this packet. - REPLY_DIR (0x40) - This packet is in the reply direction for the flow. - TRACKED (0x80) - This packet has been sent through conntrack. When the CT action is executed by itself, it will send the packet through the connection tracker and populate the ct_state field with one or more of the connection state flags above. The CT action will always set the TRACKED bit. When the COMMIT flag is passed to the conntrack action, this specifies that information about the connection should be stored. This allows subsequent packets for the same (or related) connections to be correlated with this connection. Sending subsequent packets for the connection through conntrack allows the connection tracker to consider the packets as ESTABLISHED, RELATED, and/or REPLY_DIR. The CT action may optionally take a zone to track the flow within. This allows connections with the same 5-tuple to be kept logically separate from connections in other zones. If the zone is specified, then the "ct_zone" match field will be subsequently populated with the zone id. IP fragments are handled by transparently assembling them as part of the CT action. The maximum received unit (MRU) size is tracked so that refragmentation can occur during output. IP frag handling contributed by Andy Zhou. Based on original design by Justin Pettit. Signed-off-by: NJoe Stringer <joestringer@nicira.com> Signed-off-by: NJustin Pettit <jpettit@nicira.com> Signed-off-by: NAndy Zhou <azhou@nicira.com> Acked-by: NThomas Graf <tgraf@suug.ch> Acked-by: NPravin B Shelar <pshelar@nicira.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Joe Stringer 提交于
This variation on skb_dst_copy() doesn't require two skbs. Signed-off-by: NJoe Stringer <joestringer@nicira.com> Acked-by: NPravin B Shelar <pshelar@nicira.com> Acked-by: NThomas Graf <tgraf@suug.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Joe Stringer 提交于
Signed-off-by: NJoe Stringer <joestringer@nicira.com> Acked-by: NThomas Graf <tgraf@suug.ch> Acked-by: NPravin B Shelar <pshelar@nicira.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Joe Stringer 提交于
This will allow the ovs-conntrack code to reuse these macros. Signed-off-by: NJoe Stringer <joestringer@nicira.com> Acked-by: NThomas Graf <tgraf@suug.ch> Acked-by: NPravin B Shelar <pshelar@nicira.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Joe Stringer 提交于
Previously, we used the kernel-internal netlink actions length to calculate the size of messages to serialize back to userspace. However,the sw_flow_actions may not be formatted exactly the same as the actions on the wire, so store the original actions length when de-serializing and re-use the original length when serializing. Signed-off-by: NJoe Stringer <joestringer@nicira.com> Acked-by: NPravin B Shelar <pshelar@nicira.com> Acked-by: NThomas Graf <tgraf@suug.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Rafał Miłecki 提交于
Broadcom buses may have more than 1 Ethernet device. This is used e.g. to have few interfaces connected to different switch ports. So far we saw chipsets with only 2 devices (e.g. BCM4706) but recent ones have up to 3 (e.g. Netgear R8000 uses 3rd interface for most of switch traffic, lower interfaces are for some kind of offloading). Signed-off-by: NRafał Miłecki <zajec5@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Merge tag 'wireless-drivers-next-for-davem-2015-08-26' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next Kalle Valo says: ==================== Major changes: iwlwifi: * new Tx power firmware API * bump max firmware API to 17 * fix bug in debug prints * static checker fix * fix unused defines * fix command list on newest firmware brcmfmac: * support NVRAM loading for bcm47xx platform * new debugfs entry for msgbuf protocol layer used with PCIe devices ath10k: * add spectral scan support for qca99x0 * add qca6164 support ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 27 8月, 2015 8 次提交
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由 Alexei Starovoitov 提交于
Make sure to indicate to tunnel driver that key.tun_id is set, otherwise gre won't recognize the metadata. Fixes: d3aa45ce ("bpf: add helpers to access tunnel metadata") Signed-off-by: NAlexei Starovoitov <ast@plumgrid.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Alexei Starovoitov says: ==================== act_bpf: remove spinlock in fast path v1 version had a race condition in cleanup path of bpf_prog. I tried to fix it by adding new callback 'cleanup_rcu' to 'struct tcf_common' and call it out of act_api cleanup path, but Daniel noticed (thanks for the idea!) that most of the classifiers already do action cleanup out of rcu callback. So instead this set of patches converts tcindex and rsvp classifiers to call tcf_exts_destroy() after rcu grace period and since action cleanup logic in __tcf_hash_release() is only called when bind and refcnt goes to zero, it's guaranteed that cleanup() callback is called from rcu callback. More specifically: patches 1 and 2 - simple fixes patches 2 and 3 - convert tcf_exts_destroy in tcindex and rsvp to call_rcu patch 5 - removes spin_lock from act_bpf The cleanup of actions is now universally done after rcu grace period and in the future we can drop (now unnecessary) call_rcu from tcf_hash_destroy() patch 5 is using synchronize_rcu() in act_bpf replacement path, since it's very rare and alternative of dynamically allocating 'struct tcf_bpf_cfg' just to pass it to call_rcu looks even less appealing. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alexei Starovoitov 提交于
Similar to act_gact/act_mirred, act_bpf can be lockless in packet processing with extra care taken to free bpf programs after rcu grace period. Replacement of existing act_bpf (very rare) is done with synchronize_rcu() and final destruction is done from tc_action_ops->cleanup() callback that is called from tcf_exts_destroy()->tcf_action_destroy()->__tcf_hash_release() when bind and refcnt reach zero which is only possible when classifier is destroyed. Previous two patches fixed the last two classifiers (tcindex and rsvp) to call tcf_exts_destroy() from rcu callback. Similar to gact/mirred there is a race between prog->filter and prog->tcf_action. Meaning that the program being replaced may use previous default action if it happened to return TC_ACT_UNSPEC. act_mirred race betwen tcf_action and tcfm_dev is similar. In all cases the race is harmless. Long term we may want to improve the situation by replacing the whole tc_action->priv as single pointer instead of updating inner fields one by one. Signed-off-by: NAlexei Starovoitov <ast@plumgrid.com> Acked-by: NDaniel Borkmann <daniel@iogearbox.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alexei Starovoitov 提交于
Adjust destroy path of cls_rsvp to call tcf_exts_destroy() after rcu grace period. Signed-off-by: NAlexei Starovoitov <ast@plumgrid.com> Acked-by: NDaniel Borkmann <daniel@iogearbox.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alexei Starovoitov 提交于
Adjust destroy path of cls_tcindex to call tcf_exts_destroy() after rcu grace period. Signed-off-by: NAlexei Starovoitov <ast@plumgrid.com> Acked-by: NDaniel Borkmann <daniel@iogearbox.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alexei Starovoitov 提交于
Fix harmless typo and avoid unnecessary copy of empty 'prog' into unused 'strcut tcf_bpf_cfg old'. Fixes: f4eaed28 ("act_bpf: fix memory leaks when replacing bpf programs") Signed-off-by: NAlexei Starovoitov <ast@plumgrid.com> Acked-by: NDaniel Borkmann <daniel@iogearbox.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alexei Starovoitov 提交于
tcf_hash_destroy() used once. Make it static. Signed-off-by: NAlexei Starovoitov <ast@plumgrid.com> Acked-by: NDaniel Borkmann <daniel@iogearbox.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Valentin Rothberg 提交于
The Kconfig option AVERAGE and its implementation has been removed by commit f4e774f5 ("average: remove out-of-line implementation"). Remove the dead build rule in lib/Makefile. Signed-off-by: NValentin Rothberg <valentinrothberg@gmail.com> Reviewed-by: NJohannes Berg <johannes@sipsolutions.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 26 8月, 2015 17 次提交
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由 Kalle Valo 提交于
Major changes in ath10k: * add spectral scan support for qca99x0 * add qca6164 support
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由 Raja Mani 提交于
Below compilation warnings are observed in gcc version 4.8.2. Even though it's not seen in bit older gcc versions (for ex, 4.7.3), It's good to fix it by changing format specifier from %d to %zd in wmi pull phyerr functions. wmi.c: In function 'ath10k_wmi_op_pull_phyerr_ev': wmi.c:3567:8: warning: format '%d' expects argument of type 'int', but argument 4 has type 'long unsigned int' [-Wformat=] left_len, sizeof(*phyerr)); ^ wmi.c: In function 'ath10k_wmi_10_4_op_pull_phyerr_ev': wmi.c:3612:8: warning: format '%d' expects argument of type 'int', but argument 4 has type 'long unsigned int' [-Wformat=] left_len, sizeof(*phyerr)); ^ Fixes: 991adf71 ("ath10k: refactor phyerr event handlers") Fixes: 2b0a2e0d ("ath10k: handle 10.4 firmware phyerr event") Signed-off-by: NRaja Mani <rmani@qti.qualcomm.com> Signed-off-by: NKalle Valo <kvalo@qca.qualcomm.com>
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由 Michal Kazior 提交于
This adds additional 0x0041 PCI Device ID definition to ath10k for QCA6164 which is a 1 spatial stream sibling of the QCA6174 (which is 2 spatial stream chip). The QCA6164 needs a dedicated board.bin file which is different than the one used for QCA6174. If the board.bin is wrong the device will crash early while trying to boot firmware. The register dump will look like this: ath10k_pci 0000:02:00.0: firmware register dump: ath10k_pci 0000:02:00.0: [00]: 0x05010000 0x000015B3 0x000A012D 0x00955B31 ... Note the value 0x000A012D. Special credit goes to Alan Liu <alanliu@qca.qualcomm.com> for providing support help which enabled me to come up with this patch. Signed-off-by: NMichal Kazior <michal.kazior@tieto.com> Signed-off-by: NKalle Valo <kvalo@qca.qualcomm.com>
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由 Raja Mani 提交于
To enable/configure spectral scan parameters in 10.4 firmware, existing wmi spectral related functions can be reused. Link those functions in 10.4 wmi ops table. In addition, adjust bin size (only when size is 68 bytes) before reporting bin samples to user space. The background for this adjustment is that qca99x0 reports bin size as 68 bytes (64 bytes + 4 bytes) in report mode 2. First 64 bytes carries in-band tones (-32 to +31) and last 4 byte carries band edge detection data (+32) mainly used in radar detection purpose. Additional last 4 bytes are stripped to make bin size valid one. This bin size adjustment will happen only for qca99x0, all other chipsets will report proper bin sizes (64/128) without extra 4 bytes being added at the end. The changes are validated in qca99x0 using 10.4 firmware. Signed-off-by: NRaja Mani <rmani@qti.qualcomm.com> Signed-off-by: NKalle Valo <kvalo@qca.qualcomm.com>
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由 Michal Kazior 提交于
The function returns 1 when DMA mapping fails. The driver would return bogus values and could possibly confuse itself if DMA failed. Fixes: 767d34fc ("ath10k: remove DMA mapping wrappers") Reported-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NMichal Kazior <michal.kazior@tieto.com> Signed-off-by: NKalle Valo <kvalo@qca.qualcomm.com>
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由 Michal Kazior 提交于
Kernel would complain about leaving a held lock after going back to userspace and would subsequently deadlock. Fixes: e04cafbc ("ath10k: fix peer limit enforcement") Reported-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NMichal Kazior <michal.kazior@tieto.com> Signed-off-by: NKalle Valo <kvalo@qca.qualcomm.com>
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由 David S. Miller 提交于
Florian Fainelli says: ==================== Documentation: dsa This patch series adds some documentation about DSA as a subsystem as well as the SF2 driver since it slightly diverges from your average DSA driver ;) ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florian Fainelli 提交于
Add a document describing the Broadcom Starfigther 2 switch hardware, its specifics, and how the driver is implemented and its specifics. Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com> Reviewed-by: NVivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florian Fainelli 提交于
Describe how the DSA subsystem works, its design principles, limitations, and describe in details how to implement a DSA switch driver. Acked-by: NAndrew Lunn <andrew@lunn.ch> Acked-by: NScott Feldman <sfeldma@gmail.com> Reviewed-by: NVivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Santosh Shilimkar says: ==================== RDS: Few more fixes As indicated in the earlier series [1], this is a follow-up series which addresses few issues around the RDS FMR code. With [1] and the subject series, now I can run many parallel threads with multiple sockets with N x N traffic. The stress tests has survived overnight runs. [1] https://lkml.org/lkml/2015/8/22/127 ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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Memory allocated for 'ibmr' uses kzalloc_node() which already initialises the memory to zero. There is no need to do memset() 0 on that memory. Signed-off-by: NSantosh Shilimkar <ssantosh@kernel.org> Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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FMR flush is an expensive and time consuming operation. Reduce the frequency of FMR pool flush by 50% so that more FMR work gets accumulated for more efficient flushing. Signed-off-by: NSantosh Shilimkar <ssantosh@kernel.org> Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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RDS FMR flush operation and also it races with connect/reconect which happes a lot with RDS. FMR flush being on common rds_wq aggrevates the problem. Lets push RDS FMR pool flush work to its own worker. Signed-off-by: NSantosh Shilimkar <ssantosh@kernel.org> Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Wengang Wang 提交于
In rds_ib_flush_mr_pool(), dirty_count accounts the clean ones which is wrong. This can lead to a negative dirty count value. Lets fix it. Signed-off-by: NWengang Wang <wen.gang.wang@oracle.com> Signed-off-by: NSantosh Shilimkar <ssantosh@kernel.org> Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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rds_rdma_unuse() drops the mr reference count which it hasn't taken. Correct way of removing mr is to remove mr from the tree and then rdma_destroy_mr() it first, then rds_mr_put() to decrement its reference count. Whichever thread holds last reference will free the mr via rds_mr_put() This bug was triggering weird null pointer crashes. One if the trace for it is captured below. BUG: unable to handle kernel NULL pointer dereference at 0000000000000104 IP: [<ffffffffa0899471>] rds_ib_free_mr+0x31/0x130 [rds_rdma] PGD 4366fa067 PUD 4366f9067 PMD 0 Oops: 0000 [#1] SMP [...] task: ffff88046da6a000 ti: ffff88046da6c000 task.ti: ffff88046da6c000 RIP: 0010:[<ffffffffa0899471>] [<ffffffffa0899471>] rds_ib_free_mr+0x31/0x130 [rds_rdma] RSP: 0018:ffff88046fa43bd8 EFLAGS: 00010286 RAX: 0000000071d38b80 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff880079e7ff40 RBP: ffff88046fa43bf8 R08: 0000000000000000 R09: 0000000000000000 R10: ffff88046fa43ca8 R11: ffff88046a802ed8 R12: ffff880079e7fa40 R13: 0000000000000000 R14: ffff880079e7ff40 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88046fa40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000104 CR3: 00000004366fb000 CR4: 00000000000006e0 Stack: ffff880079e7fa40 ffff880671d38f08 ffff880079e7ff40 0000000000000296 ffff88046fa43c28 ffffffffa087a38b ffff880079e7fa40 ffff880671d38f10 0000000000000000 0000000000000292 ffff88046fa43c48 ffffffffa087a3b6 Call Trace: <IRQ> [<ffffffffa087a38b>] rds_destroy_mr+0x8b/0xa0 [rds] [<ffffffffa087a3b6>] __rds_put_mr_final+0x16/0x30 [rds] [<ffffffffa087a492>] rds_rdma_unuse+0xc2/0x120 [rds] [<ffffffffa08766d3>] rds_recv_incoming_exthdrs+0x83/0xa0 [rds] [<ffffffffa0876782>] rds_recv_incoming+0x92/0x200 [rds] [<ffffffffa0895269>] rds_ib_process_recv+0x259/0x320 [rds_rdma] [<ffffffffa08962a8>] rds_ib_recv_tasklet_fn+0x1a8/0x490 [rds_rdma] [<ffffffff810dcd78>] ? __remove_hrtimer+0x58/0x90 [<ffffffff810799e1>] tasklet_action+0xb1/0xc0 [<ffffffff81079b52>] __do_softirq+0xe2/0x290 [<ffffffff81079df6>] irq_exit+0xa6/0xb0 [<ffffffff81613915>] do_IRQ+0x65/0xf0 [<ffffffff816118ab>] common_interrupt+0x6b/0x6b Signed-off-by: NSantosh Shilimkar <ssantosh@kernel.org> Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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On rds_ib_frag_slab allocation failure, ensure rds_ib_incoming_slab is not pointing to the detsroyed memory. Signed-off-by: NSantosh Shilimkar <ssantosh@kernel.org> Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://git.open-mesh.org/linux-merge由 David S. Miller 提交于
Antonio Quartulli says: ==================== Included changes: - code restyling and beautification - use int kernel types instead of C99 - update kereldoc - prevent potential hlist double deletion of VLAN objects - fix gw bandwidth calculation - convert list to hlist when needed - add lockdep_asserts calls in function with lock requirements described in kerneldoc ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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