- 28 Nov, 2016 17 commits
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Borislav Petkov authored
Fix: drivers/net/ethernet/amd/xgbe/xgbe-main.c:835:12: warning: ‘xgbe_suspend’ defined but not used [-Wunused-function] drivers/net/ethernet/amd/xgbe/xgbe-main.c:855:12: warning: ‘xgbe_resume’ defined but not used [-Wunused-function] I see it during randconfig builds here. Signed-off-by:
Borislav Petkov <bp@suse.de> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: netdev@vger.kernel.org Signed-off-by:
David S. Miller <davem@davemloft.net>
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Julian Wollrath authored
Signed-off-by:
Julian Wollrath <jwollrath@web.de> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Martin Blumenstingl says: ==================== net: phy: realtek: fix RTL8211F TX-delay handling The RTL8211F PHY driver currently enables the TX-delay only when the phy-mode is PHY_INTERFACE_MODE_RGMII. This is incorrect, because there are three RGMII variations of the phy-mode which explicitly request the PHY to enable the RX and/or TX delay, while PHY_INTERFACE_MODE_RGMII specifies that the PHY should disable the RX and/or TX delays. Additionally to the RTL8211F PHY driver change this contains a small update to the phy-mode documentation to clarify the purpose of the RGMII phy-modes. While this may not be perfect yet it's at least a start. Please feel free to drop this patch from this series and send an improved version yourself. These patches are the results of recent discussions, see [0] [0] http://lists.infradead.org/pipermail/linux-amlogic/2016-November/001688.html ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Martin Blumenstingl authored
The old logic always enabled the TX-delay when the phy-mode was set to PHY_INTERFACE_MODE_RGMII. There are dedicated phy-modes which tell the PHY driver to enable the RX and/or TX delays: - PHY_INTERFACE_MODE_RGMII should disable the RX and TX delay in the PHY (if required, the MAC should add the delays in this case) - PHY_INTERFACE_MODE_RGMII_ID should enable RX and TX delay in the PHY - PHY_INTERFACE_MODE_RGMII_TXID should enable the TX delay in the PHY - PHY_INTERFACE_MODE_RGMII_RXID should enable the RX delay in the PHY (currently not supported by RTL8211F) With this patch we enable the TX delay for PHY_INTERFACE_MODE_RGMII_ID and PHY_INTERFACE_MODE_RGMII_TXID. Additionally we now explicity disable the TX-delay, which seems to be enabled automatically after a hard-reset of the PHY (by triggering it's reset pin) to get a consistent state (as defined by the phy-mode). This fixes a compatibility problem with some SoCs where the TX-delay was also added by the MAC. With the TX-delay being applied twice the TX clock was off and TX traffic was broken or very slow (<10Mbit/s) on 1000Mbit/s links. Signed-off-by:
Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Martin Blumenstingl authored
RGMII requires special RX and/or TX delays depending on the actual hardware circuit/wiring. These delays can be added by the MAC, the PHY or the designer of the circuit (the latter means that no delay has to be added by PHY or MAC). There are 4 RGMII phy-modes used describe where a delay should be applied: - rgmii: the RX and TX delays are either added by the MAC (where the exact delay is typically configurable, and can be turned off when no extra delay is needed) or not needed at all (because the hardware wiring adds the delay already). The PHY should neither add the RX nor TX delay in this case. - rgmii-rxid: configures the PHY to enable the RX delay. The MAC should not add the RX delay in this case. - rgmii-txid: configures the PHY to enable the TX delay. The MAC should not add the TX delay in this case. - rgmii-id: combines rgmii-rxid and rgmii-txid and thus configures the PHY to enable the RX and TX delays. The MAC should neither add the RX nor TX delay in this case. Document these cases in the ethernet.txt documentation to make it clear when to use each mode. If applied incorrectly one might end up with MAC and PHY both enabling for example the TX delay, which breaks ethernet TX traffic on 1000Mbit/s links. Signed-off-by:
Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Daniel Borkmann authored
Roi reported a crash in flower where tp->root was NULL in ->classify() callbacks. Reason is that in ->destroy() tp->root is set to NULL via RCU_INIT_POINTER(). It's problematic for some of the classifiers, because this doesn't respect RCU grace period for them, and as a result, still outstanding readers from tc_classify() will try to blindly dereference a NULL tp->root. The tp->root object is strictly private to the classifier implementation and holds internal data the core such as tc_ctl_tfilter() doesn't know about. Within some classifiers, such as cls_bpf, cls_basic, etc, tp->root is only checked for NULL in ->get() callback, but nowhere else. This is misleading and seemed to be copied from old classifier code that was not cleaned up properly. For example, d3fa76ee ("[NET_SCHED]: cls_basic: fix NULL pointer dereference") moved tp->root initialization into ->init() routine, where before it was part of ->change(), so ->get() had to deal with tp->root being NULL back then, so that was indeed a valid case, after d3fa76ee, not really anymore. We used to set tp->root to NULL long ago in ->destroy(), see 47a1a1d4 ("pkt_sched: remove unnecessary xchg() in packet classifiers"); but the NULLifying was reintroduced with the RCUification, but it's not correct for every classifier implementation. In the cases that are fixed here with one exception of cls_cgroup, tp->root object is allocated and initialized inside ->init() callback, which is always performed at a point in time after we allocate a new tp, which means tp and thus tp->root was not globally visible in the tp chain yet (see tc_ctl_tfilter()). Also, on destruction tp->root is strictly kfree_rcu()'ed in ->destroy() handler, same for the tp which is kfree_rcu()'ed right when we return from ->destroy() in tcf_destroy(). This means, the head object's lifetime for such classifiers is always tied to the tp lifetime. The RCU callback invocation for the two kfree_rcu() could be out of order, but that's fine since both are independent. Dropping the RCU_INIT_POINTER(tp->root, NULL) for these classifiers here means that 1) we don't need a useless NULL check in fast-path and, 2) that outstanding readers of that tp in tc_classify() can still execute under respect with RCU grace period as it is actually expected. Things that haven't been touched here: cls_fw and cls_route. They each handle tp->root being NULL in ->classify() path for historic reasons, so their ->destroy() implementation can stay as is. If someone actually cares, they could get cleaned up at some point to avoid the test in fast path. cls_u32 doesn't set tp->root to NULL. For cls_rsvp, I just added a !head should anyone actually be using/testing it, so it at least aligns with cls_fw and cls_route. For cls_flower we additionally need to defer rhashtable destruction (to a sleepable context) after RCU grace period as concurrent readers might still access it. (Note that in this case we need to hold module reference to keep work callback address intact, since we only wait on module unload for all call_rcu()s to finish.) This fixes one race to bring RCU grace period guarantees back. Next step as worked on by Cong however is to fix 1e052be6 ("net_sched: destroy proto tp when all filters are gone") to get the order of unlinking the tp in tc_ctl_tfilter() for the RTM_DELTFILTER case right by moving RCU_INIT_POINTER() before tcf_destroy() and let the notification for removal be done through the prior ->delete() callback. Both are independant issues. Once we have that right, we can then clean tp->root up for a number of classifiers by not making them RCU pointers, which requires a new callback (->uninit) that is triggered from tp's RCU callback, where we just kfree() tp->root from there. Fixes: 1f947bf1 ("net: sched: rcu'ify cls_bpf") Fixes: 9888faef ("net: sched: cls_basic use RCU") Fixes: 70da9f0b ("net: sched: cls_flow use RCU") Fixes: 77b9900e ("tc: introduce Flower classifier") Fixes: bf3994d2 ("net/sched: introduce Match-all classifier") Fixes: 952313bd ("net: sched: cls_cgroup use RCU") Reported-by:
Roi Dayan <roid@mellanox.com> Signed-off-by:
Daniel Borkmann <daniel@iogearbox.net> Cc: Cong Wang <xiyou.wangcong@gmail.com> Cc: John Fastabend <john.fastabend@gmail.com> Cc: Roi Dayan <roid@mellanox.com> Cc: Jiri Pirko <jiri@mellanox.com> Acked-by:
John Fastabend <john.r.fastabend@intel.com> Acked-by:
Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jon Paul Maloy authored
In commit e4bf4f76 ("tipc: simplify packet sequence number handling") we changed the internal representation of the packet sequence number counters from u32 to u16, reflecting what is really sent over the wire. Since then some link statistics counters have been displaying incorrect values, partially because the counters meant to be used as sequence number snapshots are now used as direct counters, stored as u32, and partially because some counter updates are just missing in the code. In this commit we correct this in two ways. First, we base the displayed packet sent/received values on direct counters instead of as previously a calculated difference between current sequence number and a snapshot. Second, we add the missing updates of the counters. This change is compatible with the current netlink API, and requires no changes to the user space tools. Signed-off-by:
Jon Maloy <jon.maloy@ericsson.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsecDavid S. Miller authored
Steffen Klassert says: ==================== pull request (net): ipsec 2016-11-25 1) Fix a refcount leak in vti6. From Nicolas Dichtel. 2) Fix a wrong if statement in xfrm_sk_policy_lookup. From Florian Westphal. 3) The flowcache watermarks are per cpu. Take this into account when comparing to the threshold where we refusing new allocations. From Miroslav Urbanek. Please pull or let me know if there are problems. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Gao Feng authored
The macvtap_newlink registers the netdev rx_handler firstly, but it does not unregister the handler if macvlan_common_newlink failed. Signed-off-by:
Gao Feng <fgao@ikuai8.com> Acked-by:
Jason Wang <jasowang@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Johan Hovold says: ==================== net: fix phydev reference leaks This series fixes a number of phydev reference leaks (and one of_node leak) due to failure to put the reference taken by of_phy_find_device(). Note that I did not try to fix drivers/net/phy/xilinx_gmii2rgmii.c which still leaks a reference. Against net but should apply just as fine to net-next. v2: - use put_device() instead of phy_dev_free() to put the references taken in net/dsa (patch 1/4). - add four new patches fixing similar leaks ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Johan Hovold authored
Make sure to drop the reference taken by of_phy_find_device() during probe on probe errors and on driver unbind. Also drop the of_node reference taken by of_parse_phandle() in the same path. Fixes: b9b17deb ("net: emac: emac gigabit ethernet controller driver") Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Johan Hovold authored
Make sure to drop the reference taken by of_phy_find_device() when looking up a fixed-link phydev during probe. Fixes: 57ba4c9b ("fsl/fman: Add FMan MAC support") Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Johan Hovold authored
Make sure to drop the reference taken by of_phy_find_device() during initialisation when later freeing the struct fman_mac. Fixes: 57ba4c9b ("fsl/fman: Add FMan MAC support") Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Johan Hovold authored
Make sure to drop the reference taken by of_phy_find_device() when initialising MOCA PHYs. Fixes: 6ac9de5f ("net: bcmgenet: Register link_update callback for all MoCA PHYs") Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Johan Hovold authored
Make sure to drop the reference taken by of_phy_find_device() when registering and deregistering the fixed-link PHY-device. Fixes: 39b0c705 ("net: dsa: Allow configuration of CPU & DSA port speeds/duplex") Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arnd Bergmann authored
irda_get_mtt() returns a hardcoded '10000' in some cases, and with gcc-7, we get a build error because this triggers a compile-time check in udelay(): drivers/net/irda/w83977af_ir.o: In function `w83977af_hard_xmit': w83977af_ir.c:(.text.w83977af_hard_xmit+0x14c): undefined reference to `__bad_udelay' Older compilers did not run into this because they either did not completely inline the irda_get_mtt() or did not consider the 10000 value a constant expression. The code has been wrong since the start of git history. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Gao Feng authored
When ipvlan_link_new fails and creates one ipvlan port, it does not destroy the ipvlan port created. It causes mem leak and the physical device contains invalid ipvlan data. Signed-off-by:
Gao Feng <fgao@ikuai8.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 27 Nov, 2016 2 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull vfs splice fix from Al Viro. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fix default_file_splice_read()
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Al Viro authored
Botched calculation of number of pages. As the result, we were dropping pieces when doing splice to pipe from e.g. 9p. Reported-by:
Alexei Starovoitov <ast@kernel.org> Tested-by:
Alexei Starovoitov <ast@kernel.org> Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>
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- 26 Nov, 2016 17 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds authored
Pull i2c fixes from Wolfram Sang: "Here is a revert and two bugfixes for the I2C designware driver. Please note that we are still hunting down a regression for the i2c-octeon driver. While there is a fix pending, we have unclear feedback from the testers currently. An rc8 would be quite helpful for this case" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: Revert "i2c: designware: do not disable adapter after transfer" i2c: designware: fix rx fifo depth tracking i2c: designware: report short transfers
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git://git.armlinux.org.uk/~rmk/linux-armLinus Torvalds authored
Pull ARM fix from Russell King: "This resolves the ksyms issues by reverting the commit which introduced the breakage" There was what I consider to be a better fix, but it's late in the rc game, so I'll take the revert. * 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm: Revert "arm: move exports to definitions"
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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 leak in fsl/fman driver, from Dan Carpenter. 2) Call flow dissector initcall earlier than any networking driver can register and start to use it, from Eric Dumazet. 3) Some dup header fixes from Geliang Tang. 4) TIPC link monitoring compat fix from Jon Paul Maloy. 5) Link changes require EEE re-negotiation in bcm_sf2 driver, from Florian Fainelli. 6) Fix bogus handle ID passed into tfilter_notify_chain(), from Roman Mashak. 7) Fix dump size calculation in rtnl_calcit(), from Zhang Shengju. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits) tipc: resolve connection flow control compatibility problem mvpp2: use correct size for memset net/mlx5: drop duplicate header delay.h net: ieee802154: drop duplicate header delay.h ibmvnic: drop duplicate header seq_file.h fsl/fman: fix a leak in tgec_free() net: ethtool: don't require CAP_NET_ADMIN for ETHTOOL_GLINKSETTINGS tipc: improve sanity check for received domain records tipc: fix compatibility bug in link monitoring net: ethernet: mvneta: Remove IFF_UNICAST_FLT which is not implemented dwc_eth_qos: drop duplicate headers net sched filters: fix filter handle ID in tfilter_notify_chain() net: dsa: bcm_sf2: Ensure we re-negotiate EEE during after link change bnxt: do not busy-poll when link is down udplite: call proper backlog handlers ipv6: bump genid when the IFA_F_TENTATIVE flag is clear net/mlx4_en: Free netdev resources under state lock net: revert "net: l2tp: Treat NET_XMIT_CN as success in l2tp_eth_dev_xmit" rtnetlink: fix the wrong minimal dump size getting from rtnl_calcit() bnxt_en: Fix a VXLAN vs GENEVE issue ...
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimmLinus Torvalds authored
Pull libnvdimm fixes from Dan Williams: - Fix a crash that occurs at driver initialization if the memory region is already busy (request_mem_region() fails). - Fix a vma validation check that mistakenly allows a private device- dax mapping to be established. Device-dax explicitly forbids private mappings so it can guarantee a given fault granularity and backing memory type. Both of these fixes have soaked in -next and are tagged for -stable. * 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: device-dax: fail all private mapping attempts device-dax: check devm_nsio_enable() return value
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull KVM fixes from Radim Krčmář: "Four fixes for bugs found by syzkaller on x86, all for stable" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: check for pic and ioapic presence before use KVM: x86: fix out-of-bounds accesses of rtc_eoi map KVM: x86: drop error recovery in em_jmp_far and em_ret_far KVM: x86: fix out-of-bounds access in lapic
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: "Fixes marked for stable: - Set missing wakeup bit in LPCR on POWER9 - Fix the early OPAL console wrappers - Fixup kernel read only mapping Fixes for code merged this cycle: - Fix missing CRCs, add more asm-prototypes.h declarations" * tag 'powerpc-4.9-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/mm: Fixup kernel read only mapping powerpc/boot: Fix the early OPAL console wrappers powerpc: Fix missing CRCs, add more asm-prototypes.h declarations powerpc: Set missing wakeup bit in LPCR on POWER9
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Jon Paul Maloy authored
In commit 10724cc7 ("tipc: redesign connection-level flow control") we replaced the previous message based flow control with one based on 1k blocks. In order to ensure backwards compatibility the mechanism falls back to using message as base unit when it senses that the peer doesn't support the new algorithm. The default flow control window, i.e., how many units can be sent before the sender blocks and waits for an acknowledge (aka advertisement) is 512. This was tested against the previous version, which uses an acknowledge frequency of on ack per 256 received message, and found to work fine. However, we missed the fact that versions older than Linux 3.15 use an acknowledge frequency of 512, which is exactly the limit where a 4.6+ sender will stop and wait for acknowledge. This would also work fine if it weren't for the fact that if the first sent message on a 4.6+ server side is an empty SYNACK, this one is also is counted as a sent message, while it is not counted as a received message on a legacy 3.15-receiver. This leads to the sender always being one step ahead of the receiver, a scenario causing the sender to block after 512 sent messages, while the receiver only has registered 511 read messages. Hence, the legacy receiver is not trigged to send an acknowledge, with a permanently blocked sender as result. We solve this deadlock by simply allowing the sender to send one more message before it blocks, i.e., by a making minimal change to the condition used for determining connection congestion. Signed-off-by:
Jon Maloy <jon.maloy@ericsson.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arnd Bergmann authored
gcc-7 detects a short memset in mvpp2, introduced in the original merge of the driver: drivers/net/ethernet/marvell/mvpp2.c: In function 'mvpp2_cls_init': drivers/net/ethernet/marvell/mvpp2.c:3296:2: error: 'memset' used with length equal to number of elements without multiplication by element size [-Werror=memset-elt-size] The result seems to be that we write uninitialized data into the flow table registers, although we did not get any warning about that uninitialized data usage. Using sizeof() lets us initialize then entire array instead. Fixes: 3f518509 ("ethernet: Add new driver for Marvell Armada 375 network unit") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Geliang Tang authored
Drop duplicate header delay.h from mlx5/core/main.c. Signed-off-by:
Geliang Tang <geliangtang@gmail.com> Acked-by:
Matan Barak <matanb@mellanox.com> Acked-by:
Saeed Mahameed <saeedm@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Geliang Tang authored
Drop duplicate header delay.h from adf7242.c. Signed-off-by:
Geliang Tang <geliangtang@gmail.com> Acked-by:
Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Geliang Tang authored
Drop duplicate header seq_file.h from ibmvnic.c. Signed-off-by:
Geliang Tang <geliangtang@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Dan Carpenter authored
We set "tgec->cfg" to NULL before passing it to kfree(). There is no need to set it to NULL at all. Let's just delete it. Fixes: 57ba4c9b ("fsl/fman: Add FMan MAC support") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Miroslav Lichvar authored
The ETHTOOL_GLINKSETTINGS command is deprecating the ETHTOOL_GSET command and likewise it shouldn't require the CAP_NET_ADMIN capability. Signed-off-by:
Miroslav Lichvar <mlichvar@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jon Paul Maloy authored
In commit 35c55c98 ("tipc: add neighbor monitoring framework") we added a data area to the link monitor STATE messages under the assumption that previous versions did not use any such data area. For versions older than Linux 4.3 this assumption is not correct. In those version, all STATE messages sent out from a node inadvertently contain a 16 byte data area containing a string; -a leftover from previous RESET messages which were using this during the setup phase. This string serves no purpose in STATE messages, and should no be there. Unfortunately, this data area is delivered to the link monitor framework, where a sanity check catches that it is not a correct domain record, and drops it. It also issues a rate limited warning about the event. Since such events occur much more frequently than anticipated, we now choose to remove the warning in order to not fill the kernel log with useless contents. We also make the sanity check stricter, to further reduce the risk that such data is inavertently admitted. Signed-off-by:
Jon Maloy <jon.maloy@ericsson.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jon Paul Maloy authored
commit 81729810 ("tipc: fix link priority propagation") introduced a compatibility problem between TIPC versions newer than Linux 4.6 and those older than Linux 4.4. In versions later than 4.4, link STATE messages only contain a non-zero link priority value when the sender wants the receiver to change its priority. This has the effect that the receiver resets itself in order to apply the new priority. This works well, and is consistent with the said commit. However, in versions older than 4.4 a valid link priority is present in all sent link STATE messages, leading to cyclic link establishment and reset on the 4.6+ node. We fix this by adding a test that the received value should not only be valid, but also differ from the current value in order to cause the receiving link endpoint to reset. Reported-by:
Amar Nv <amar.nv005@gmail.com> Signed-off-by:
Jon Maloy <jon.maloy@ericsson.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Andrew Lunn authored
The mvneta driver advertises it supports IFF_UNICAST_FLT. However, it actually does not. The hardware probably does support it, but there is no code to configure the filter. As a quick and simple fix, remove the flag. This will cause the core to fall back to promiscuous mode. Signed-off-by:
Andrew Lunn <andrew@lunn.ch> Fixes: b50b72de ("net: mvneta: enable features before registering the driver") Signed-off-by:
David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linuxLinus Torvalds authored
Pull parisc fixes from Helge Deller: "On parisc we were still seeing occasional random segmentation faults and memory corruption on SMP machines. Dave Anglin then looked again at the TLB related code and found two issues in the PCI DMA and generic TLB flush functions. Then, in our startup code we had some timing of the cache and TLB functions to calculate a threshold when to use a complete TLB/cache flush or just to flush a specific range. This code produced a race with newly started CPUs and thus lead to occasional kernel crashes (due to stale TLB/cache entries). The patch by Dave fixes this issue by flushing the local caches before starting secondary CPUs and by removing the race. The last problem fixed by this series is that we quite often suffered from hung tasks and self-detected stalls on the CPUs. It was somehow clear that this was related to the (in v4.7) newly introduced cr16 clocksource and the own implementation of sched_clock(). I replaced the open-coded sched_clock() function and switched to the generic sched_clock() implementation which seems to have fixed this isse as well. All patches have been sucessfully tested on a variety of machines, including our debian buildd servers. All patches (beside the small pr_cont fix) are tagged for stable releases" * 'parisc-4.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Also flush data TLB in flush_icache_page_asm parisc: Fix race in pci-dma.c parisc: Switch to generic sched_clock implementation parisc: Fix races in parisc_setup_cache_timing() parisc: Fix printk continuations in system detection
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- 25 Nov, 2016 4 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-securityLinus Torvalds authored
Pull keys fixes from James Morris: "From David: - Fix mpi_powm()'s handling of a number with a zero exponent [CVE-2016-8650]. Integrate my and Andrey's patches for mpi_powm() and use mpi_resize() instead of RESIZE_IF_NEEDED() - the latter adds a duplicate check into the execution path of a trivial case we don't normally expect to be taken. - Fix double free in X.509 error handling" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: mpi: Fix NULL ptr dereference in mpi_powm() [ver #3] X.509: Fix double free in x509_cert_parse() [ver #3]
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Linus Torvalds authored
CONFIG_MODVERSIONS has been broken for pretty much the whole 4.9 series, and quite frankly, nobody has cared very deeply. We absolutely know how to fix it, and it's not _complicated_, but it's not exactly pretty either. This oneliner fixes it without the ugliness, and allows for further future cleanups. "We've secretly replaced their regular MODVERSIONS with nothing at all, let's see if they notice" Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull ACPI fixes from Rafael Wysocki: "Two ACPI fixes for 4.9-rc7. One of them reverts a recent ACPI commit that attempted to improve reboot/power-off on some systems, but introduced problems elsewhere, and the other one fixes kernel builds with the new WDAT watchdog driver enabled in some configurations. Specifics: - Revert the recent commit that caused the ACPI _PTS method to be executed in the power-off/reboot code path (as per the specification) in an attempt to improve things on some systems (apparently expecting _PTS to be executed in that code path), but broke power-off/reboot on at least one other machine (Rafael Wysocki). - Fix kernel builds with the new WDAT watchdog driver enabled in some configurations by explicitly selecting WATCHDOG_CORE when enabling the WDAT watchdog driver (Mika Westerberg)" * tag 'acpi-4.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: watchdog: wdat_wdt: Select WATCHDOG_CORE Revert "ACPI: Execute _PTS before system reboot"
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Rafael J. Wysocki authored
Following the kernel Bugzilla discussion during the Kernel Summit (https://lwn.net/Articles/705245/), add bug tracking system location entry type (B) to MAINTAINERS and populate it for several subsystems known to be using the kernel BZ actively (and add the upstream BZ for ACPICA too). Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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