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* mac80211: Simplify locking in ieee80211_sta_tear_down_BA_sessions()Ilan peer2017-09-211-5/+7
| | | | | | | | | Simplify the locking in ieee80211_sta_tear_down_BA_sessions() and lock sta->ampdu_mlme.mtx over the entire function instead of locking/unlocking it for each TID etc. Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: add documentation to ieee80211_rx_ba_offl()Luca Coelho2017-09-212-3/+9
| | | | | | | | Add documentation to ieee80211_rx_ba_offl() function and, while at it, rename the bit argument to tid, for consistency. Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: oce: enable receiving of bcast probe respRoee Zamir2017-09-211-9/+28
| | | | | | | | | | | | | One of OCE's optimizations is acception of broadcast probe responses. Accept broadcast probe responses but don't set NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP. Because a device's firmware may filter out the broadcast probe resp - drivers should set this flag. Signed-off-by: Roee Zamir <roee.zamir@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> [johannes: make accepting broadcast conditional on the nl80211 scan flag that was added for that specific purpose] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* nl80211: add OCE scan and capability flagsRoee Zamir2017-09-212-63/+111
| | | | | | | | | | Add Optimized Connectivity Experience (OCE) scan and capability flags. Some of them unique to OCE and some are stand alone. And add scan flags to enable/disable them. Signed-off-by: Roee Zamir <roee.zamir@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* nl80211: return error for invalid center_freq in 40 MHzTova Mussai2017-09-211-0/+9
| | | | | | | | | | | | | | | | | | | | | | | When NL80211_ATTR_WIPHY_CHANNEL_TYPE is given, nl80211 would parse the channel definition the old way, discarding NL80211_ATTR_CENTER_FREQ1, NL80211_ATTR_CENTER_FREQ2 etc. However, it is possible that user space added both NL80211_ATTR_WIPHY_CHANNEL_TYPE and NL80211_ATTR_CENTER_FREQ1 or NL80211_ATTR_CENTER_FREQ2 assuming that all settings would be honored. In such a case, validate that NL80211_ATTR_CENTER_FREQ1 and NL80211_ATTR_CENTER_FREQ2 values match the channel configuration, as otherwise user space would assume that the desired configuration was applied. For example, when trying to start ap with NL80211_ATTR_WIPHY_CHANNEL_TYPE = NL80211_CHAN_HT40MINUS, NL80211_ATTR_WIPHY_FREQ = 5180 and NL80211_ATTR_CENTER_FREQ1 = 5250 without this fix, the ap will start on channel 36 (center_freq1 will be corrected to 5180). With this fix, we will throw an error instead. Signed-off-by: Tova Mussai <tova.mussai@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: simplify and clarify IE splittingJohannes Berg2017-09-212-24/+16
| | | | | | | | | | | | | There's no need to split off IEs from the ones obtained from userspace, if they were already split off, so for example IEs that went before HT don't have to be listed again to go before VHT. Simplify the code here so it's clearer. While at it, also clarify the comments regarding the DMG (60 GHz) elements. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: extend ieee80211_ie_split to support EXTENSIONLiad Kaufman2017-09-212-10/+50
| | | | | | | | | | | | | Current ieee80211_ie_split() implementation doesn't account for elements that are sub-elements of the EXTENSION IE. To extend support to these IEs as well, treat the WLAN_EID_EXTENSION ids in the %ids array as indicating that the next id in the array is a sub-element of the EXTENSION IE. Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* mac80211: avoid allocating TXQs that won't be usedJohannes Berg2017-09-211-1/+3
| | | | | | | For AP_VLAN and monitor interfaces we'll never use the TXQs we allocated, so avoid doing so. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* net_sched: sch_htb: add per class overlimits counterEric Dumazet2017-09-181-0/+5
| | | | | | | | | | | | HTB qdisc overlimits counter is properly increased, but we have no per class counter, meaning it is difficult to diagnose HTB problems. This patch adds this counter, visible in "tc -s class show dev eth0", with current iproute2. Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Denys Fedoryshchenko <nuclearcat@nuclearcat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net_sched: use explicit size of struct tcmsg, remove need to declare tcmColin Ian King2017-09-181-2/+1
| | | | | | | | | | | | Pointer tcm is being initialized and is never read, it is only being used to determine the size of struct tcmsg. Clean this up by removing variable tcm and explicitly using the sizeof struct tcmsg rather than *tcm. Cleans up clang warning: warning: Value stored to 'tcm' during its initialization is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'korina-performance-fixes-and-cleanup'David S. Miller2017-09-181-152/+78
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Roman Yeryomin says: ==================== korina: performance fixes and cleanup Changes from v1: - use GRO instead of increasing ring size - use NAPI_POLL_WEIGHT instead of defining own NAPI_WEIGHT - optimize rx descriptor flags processing ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: korina: bump versionRoman Yeryomin2017-09-181-2/+2
| | | | | | | | | | Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: korina: update authorsRoman Yeryomin2017-09-181-0/+2
| | | | | | | | | | Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: korina: whitespace cleanupRoman Yeryomin2017-09-181-27/+31
| | | | | | | | | | Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: korina: use GRORoman Yeryomin2017-09-181-1/+1
| | | | | | | | | | | | | | Performance gain when receiving locally is 55->95Mbps and 50->65Mbps for NAT. Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: korina: use NAPI_POLL_WEIGHTRoman Yeryomin2017-09-181-1/+1
| | | | | | | | | | Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: korina: optimize rx descriptor flags processingRoman Yeryomin2017-09-181-43/+44
| | | | | | | | | | Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: korina: don't use overflow and underflow interruptsRoman Yeryomin2017-09-181-82/+1
|/ | | | | | | | | | When such interrupts occur there is not much we can do. Dropping the whole ring doesn't help and only produces high packet loss. If we just ignore the interrupt the mac will drop one or few packets instead of the whole ring. Also this will lower the irq handling load and increase performance. Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: David S. Miller <davem@davemloft.net>
* hamradio: baycom: use new parport device modelSudip Mukherjee2017-09-181-4/+46
| | | | | | | | Modify baycom driver to use the new parallel port device model. Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Acked-By: Thomas Sailer <t.sailer@alumni.ethz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* net/ethernet/freescale: fix warning for ucc_gethValentin Longchamp2017-09-181-2/+3
| | | | | | | | | | | uf_info.regs is resource_size_t i.e. phys_addr_t that can be either u32 or u64 according to CONFIG_PHYS_ADDR_T_64BIT. The printk format is thus adaptet to u64 and the regs value cast to u64 to take both u32 and u64 into account. Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* forcedeth: replace pci_map_single with dma_map_single functionsZhu Yanjun2017-09-181-34/+36
| | | | | | | | pci_map_single functions are obsolete. So replace them with dma_map_single functions. Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 's390-qeth-next'David S. Miller2017-09-189-103/+819
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Julian Wiedmann says: ==================== s390/qeth: updates 2017-09-18 first batch of patches for 4.15. One larger item in there is Hans' addition of new configuration options for flexible packet processing ('VNIC characteristics'). The patch descriptions have all the details. Please apply. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: tidy up parameter naming for qeth_do_send_packet()Jens Remus2017-09-181-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Cppcheck reports the following for drivers/s390/net/qeth_core.h: warning - line 1560 - Function 'qeth_do_send_packet' argument order different: declaration 'card, queue, skb, hdr, hd_len, offset, elements' definition 'card, queue, skb, hdr, offset, hd_len, elements_needed'. Match the naming in the function's declaration against its definition. Signed-off-by: Jens Remus <jremus@linux.vnet.ibm.com> Reviewed-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: fold VLAN handling into l3_rebuild_skb()Julian Wiedmann2017-09-181-16/+11
| | | | | | | | | | | | | | | | | | Move the overly complicated VLAN processing from the L3 RX handler into its l3_rebuild_skb() helper. No change in functionality. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: translate SETVLAN/DELVLAN errorsJulian Wiedmann2017-09-182-12/+36
| | | | | | | | | | | | | | | | | | | | | | Properly return any error encountered during VLAN processing to the the caller. Resulting change in behaviour: if SETVLAN fails while registering a new VLAN ID, the stack no longer creates the corresponding vlan device. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: simplify L3 sysfs group managementJulian Wiedmann2017-09-181-33/+12
| | | | | | | | | | | | | | | | | | Use the right helpers to create/remove all attribute groups in one go. Suggested-by: Hans Wippel <hwippel@linux.vnet.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: don't take queue lock in send_packet_fast()Julian Wiedmann2017-09-184-22/+9
| | | | | | | | | | | | | | | | | | | | | | | | Locking the output queue prior to TX is needed on OSA devices, to synchronize against a packing flush from the TX completion code (via qeth_check_outbound_queue()). But send_packet_fast() is only used for IQDs, which don't do packing. So remove the locking, and apply some easy cleanups. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: remove unused code in qdio_establish_cq()Julian Wiedmann2017-09-181-1/+0
| | | | | | | | | | | | | | | | | | Storing the number of input buffers into 'i' has no effect, it is immediately re-assigned in the next line. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: add VNICC get/set timeout supportHans Wippel2017-09-185-5/+190
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | HiperSockets allow configuring so called VNIC Characteristics (VNICC) that influence how the underlying hardware handles packets. For VNICCs, additional commands for getting and setting timeouts are available. Currently, the learning VNICC uses these commands. * Learning VNICC: If learning is enabled on a qeth device, the device learns the source MAC addresses of outgoing packets and incoming packets to those learned MAC addresses are received. For learning, the timeout specifies the idle period in seconds, after which the underlying hardware removes a learned MAC address again. This patch adds support for the IPA commands that are required to get and set the current timeout values for the learning VNIC characteristic. Also, it introduces the sysfs interface that allows users to configure the timeout. Signed-off-by: Hans Wippel <hwippel@linux.vnet.ibm.com> Reviewed-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: add VNICC enable/disable supportHans Wippel2017-09-185-14/+392
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | HiperSocket devices allow enabling and disabling so called VNIC Characteristics (VNICC) that influence how the underlying hardware handles packets. These VNICCs are: * Flooding VNICC: Flooding allows specifying if packets to unknown destination MAC addresses are received by the qeth device. * Multicast flooding VNICC: Multicast flooding allows specifying if packets to multicast MAC addresses are received by the qeth device. * Learning VNICC: If learning is enabled on a qeth device, the device learns the source MAC addresses of outgoing packets and incoming packets to those learned MAC addresses are received. * Takeover setvmac VNICC: If takeover setvmac is configured on a qeth device, the MAC address of this device can be configured on a different qeth device with the setvmac IPA command. * Takeover by learning VNICC: If takeover learning is enabled on a qeth device, the MAC address of this device can be learned (learning VNICC) on a different qeth device. * BridgePort invisible VNICC: If BridgePort invisible is enabled on a qeth device, (1) packets from this device are not sent to a BridgePort enabled qeth device and (2) packets coming from a BridgePort enabled qeth device are not received by this device. * Receive broadcast VNICC: Receive broadcast allows configuring if a qeth device receives packets with the broadcast destination MAC address. This patch adds support for the IPA commands that are required to enable and disable these VNIC characteristics on qeth devices. As a prerequisite, it also adds the query commands IPA command. The query commands IPA command allows requesting the supported commands for each characteristic from the underlying hardware. Additionally, this patch provides users with a sysfs user interface to enable/disable the VNICCs mentioned above. Signed-off-by: Hans Wippel <hwippel@linux.vnet.ibm.com> Reviewed-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: add basic VNICC supportHans Wippel2017-09-184-4/+172
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | VNIC Characteristics (VNICC) are features of HiperSockets that define how packets are handled by the underlying network hardware. For example, if the VNICC flooding is configured on a qeth device, ethernet frames to unknown destination MAC addresses are received. Currently, there is support for seven VNICCs: flooding, multicast flooding, receive broadcast, learning, takeover learning, takeover setvmac, bridge invisible. Also, six IPA commands exist for configuring VNICCs on a qeth device: query characteristics, query commands, enable characteristic, disable characteristic, set timeout, get timeout. This patch adds the basic code infrastructure for VNICC support to qeth. It allows querying VNICC support from the underlying hardware. To this end, it adds: * basic message formats for IPA commands * basic data structures * basic error handling * query characteristics IPA command support The query characteristics IPA command allows requesting the currently supported and currently enabled VNIC characteristics from the underlying hardware. Support for the other IPA commands and for the configuration of VNICCs is added in follow-up patches together with the respective user interface functions. Signed-off-by: Hans Wippel <hwippel@linux.vnet.ibm.com> Reviewed-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* dt-bindings: net: renesas-ravb: Add support for R8A77995 RAVBYoshihiro Shimoda2017-09-181-0/+1
| | | | | | | | | | Add a new compatible string for the R8A77995 (R-Car D3) RAVB. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Acked-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Convert int functions to boolJoe Perches2017-09-182-20/+20
| | | | | | | | | | | Global function ipv6_rcv_saddr_equal and static functions ipv6_rcv_saddr_equal and ipv4_rcv_saddr_equal currently return int. bool is slightly more descriptive for these functions so change their return type from int to bool. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ravb: document R8A77970 bindingsSergei Shtylyov2017-09-181-1/+2
| | | | | | | | | | R-Car V3M (R8A77970) SoC also has the R-Car gen3 compatible EtherAVB device, so document the SoC specific bindings. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Acked-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: phy: realtek: add RTL8201F phy-id and functionsJassi Brar2017-09-181-0/+44
| | | | | | | | | | | | | | Add RTL8201F phy-id and the related functions to the driver. The original patch is as follows: https://patchwork.kernel.org/patch/2538341/ Signed-off-by: Jongsung Kim <neidhard.kim@lge.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: phy: realtek: rename RTL8211F_PAGE_SELECT to RTL821x_PAGE_SELECTKunihiko Hayashi2017-09-181-5/+5
| | | | | | | | | This renames the definition of page select register from RTL8211F_PAGE_SELECT to RTL821x_PAGE_SELECT to use it across models. Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* dummy: declare dummy devices as enumerated devicesZhang Shengju2017-09-181-1/+1
| | | | | | | | | Dummy device name is enumerated by the kernel, let user space be aware of the naming scheme used by dummy devices: (visible in /sys/class/net/<iface>/name_assign_type). Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: tcp_input: Neaten DBGUNDOJoe Perches2017-09-181-4/+2
| | | | | | | | | | Move the #ifdef into the static void function so that the use of DBGUNDO is validated when FASTRETRANS_DEBUG <= 1. Remove the now unnecessary #else and #define DBGUNDO. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Linux 4.14-rc1v4.14-rc1Linus Torvalds2017-09-161-2/+2
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* Merge tag 'upstream-4.14-rc1' of git://git.infradead.org/linux-ubifsLinus Torvalds2017-09-164-16/+16
|\ | | | | | | | | | | | | | | | | | | | | | | Pull UBI updates from Richard Weinberger: "Minor improvements" * tag 'upstream-4.14-rc1' of git://git.infradead.org/linux-ubifs: UBI: Fix two typos in comments ubi: fastmap: fix spelling mistake: "invalidiate" -> "invalidate" ubi: pr_err() strings should end with newlines ubi: pr_err() strings should end with newlines ubi: pr_err() strings should end with newlines
| * UBI: Fix two typos in commentsUwe Kleine-König2017-09-131-2/+2
| | | | | | | | | | Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Richard Weinberger <richard@nod.at>
| * ubi: fastmap: fix spelling mistake: "invalidiate" -> "invalidate"Colin Ian King2017-09-131-1/+1
| | | | | | | | | | | | | | | | Trivial fix to spelling mistake in ubi_err error message Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Richard Weinberger <richard@nod.at>
| * ubi: pr_err() strings should end with newlinesBen Dooks2017-09-131-3/+3
| | | | | | | | | | | | | | | | In build.c, the following pr_err calls should be terminated with a new-line to avoid other messages being concatenated onto the end. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
| * ubi: pr_err() strings should end with newlinesBen Dooks2017-09-131-4/+4
| | | | | | | | | | | | | | | | | | In ubi_attach_mtd_dev() the pr_err() calls should have their messgaes terminated with a new-line to avoid other messages being concatenated onto the end. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
| * ubi: pr_err() strings should end with newlinesBen Dooks2017-09-131-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | The ubi_init() function has a few error paths that use the pr_err() to output errors. These should have new lines on them as pr_err() does not automatically do this. This fixes issues where if multiple mtd fail to bind to ubi the console output starts wrapping around. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
* | Merge branch 'for-linus-4.14-rc1' of ↵Linus Torvalds2017-09-1614-27/+41
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml Pull UML updates from Richard Weinberger: - minor improvements - fixes for Debian's new gcc defaults (pie enabled by default) - fixes for XSTATE/XSAVE to make UML work again on modern systems * 'for-linus-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: return negative in tuntap_open_tramp() um: remove a stray tab um: Use relative modversions with LD_SCRIPT_DYN um: link vmlinux with -no-pie um: Fix CONFIG_GCOV for modules. Fix minor typos and grammar in UML start_up help um: defconfig: Cleanup from old Kconfig options um: Fix FP register size for XSTATE/XSAVE
| * | um: return negative in tuntap_open_tramp()Dan Carpenter2017-09-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | The intention is to return negative error codes. "pid" is already negative but we accidentally negate it again back to positive. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Richard Weinberger <richard@nod.at>
| * | um: remove a stray tabDan Carpenter2017-09-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Static checkers would urge us to add curly braces to this code, but actually the code works correctly. It just isn't indented right. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Richard Weinberger <richard@nod.at>
| * | um: Use relative modversions with LD_SCRIPT_DYNThomas Meyer2017-09-131-0/+1
| | | | | | | | | | | | | | | | | | | | | When building a dynamic kernel image use relative symbols with MODVERSIONS. Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Richard Weinberger <richard@nod.at>
| * | um: link vmlinux with -no-pieThomas Meyer2017-09-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Debian's gcc defaults to pie. The global Makefile already defines the -fno-pie option. Link UML dynamic kernel image also with -no-pie to fix the build. Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Richard Weinberger <richard@nod.at>
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