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2019-07-02mfd: madera: Fix bad reference to pinctrl.txt fileOtto Sabart
The pinctrl.txt file was converted into reStructuredText and moved into driver-api folder. This patch updates the broken reference. Fixes: 5a9b73832e9e ("pinctrl.txt: move it to the driver-api book") Signed-off-by: Otto Sabart <ottosabart@seberm.com> Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-07-02Merge branches 'ib-mfd-clk-gpio-power-regulator-rtc-5.3', ↵Lee Jones
'ib-mfd-clk-regulator-rtc-5.3', 'ib-mfd-cros-5.3' and 'ib-mfd-regulator-5.3' into ibs-for-mfd-merged
2019-07-02btrfs: add mask for all RAID1 typesDavid Sterba
Preparatory patch for additional RAID1 profiles with more copies. The mask will contain 3-copy and 4-copy, most of the checks for plain RAID1 work the same for the other profiles. Signed-off-by: David Sterba <dsterba@suse.com>
2019-07-01loopback: create blackhole net device similar to loopack.Mahesh Bandewar
Create a blackhole net device that can be used for "dead" dst entries instead of loopback device. This blackhole device differs from loopback in few aspects: (a) It's not per-ns. (b) MTU on this device is ETH_MIN_MTU (c) The xmit function is essentially kfree_skb(). and (d) since it's not registered it won't have ifindex. Lower MTU effectively make the device not pass the MTU check during the route check when a dst associated with the skb is dead. Signed-off-by: Mahesh Bandewar <maheshb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-01net: page_pool: add helper function for retrieving dma directionIlias Apalodimas
Since the dma direction is stored in page pool params, offer an API helper for driver that choose not to keep track of it locally Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-01net/tls: make sure offload also gets the keys wipedJakub Kicinski
Commit 86029d10af18 ("tls: zero the crypto information from tls_context before freeing") added memzero_explicit() calls to clear the key material before freeing struct tls_context, but it missed tls_device.c has its own way of freeing this structure. Replace the missing free. Fixes: 86029d10af18 ("tls: zero the crypto information from tls_context before freeing") Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-01idr: introduce idr_for_each_entry_continue_ul()Cong Wang
Similarly, other callers of idr_get_next_ul() suffer the same overflow bug as they don't handle it properly either. Introduce idr_for_each_entry_continue_ul() to help these callers iterate from a given ID. cls_flower needs more care here because it still has overflow when does arg->cookie++, we have to fold its nested loops into one and remove the arg->cookie++. Fixes: 01683a146999 ("net: sched: refactor flower walk to iterate over idr") Fixes: 12d6066c3b29 ("net/mlx5: Add flow counters idr") Reported-by: Li Shuang <shuali@redhat.com> Cc: Davide Caratti <dcaratti@redhat.com> Cc: Vlad Buslov <vladbu@mellanox.com> Cc: Chris Mi <chrism@mellanox.com> Cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Tested-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-01idr: fix overflow case for idr_for_each_entry_ul()Cong Wang
idr_for_each_entry_ul() is buggy as it can't handle overflow case correctly. When we have an ID == UINT_MAX, it becomes an infinite loop. This happens when running on 32-bit CPU where unsigned long has the same size with unsigned int. There is no better way to fix this than casting it to a larger integer, but we can't just 64 bit integer on 32 bit CPU. Instead we could just use an additional integer to help us to detect this overflow case, that is, adding a new parameter to this macro. Fortunately tc action is its only user right now. Fixes: 65a206c01e8e ("net/sched: Change act_api and act_xxx modules to use IDR") Reported-by: Li Shuang <shuali@redhat.com> Tested-by: Davide Caratti <dcaratti@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Chris Mi <chrism@mellanox.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-01netlink: use 48 byte ctx instead of 6 signed longs for callbackJason A. Donenfeld
People are inclined to stuff random things into cb->args[n] because it looks like an array of integers. Sometimes people even put u64s in there with comments noting that a certain member takes up two slots. The horror! Really this should mirror the usage of skb->cb, which are just 48 opaque bytes suitable for casting a struct. Then people can create their usual casting macros for accessing strongly typed members of a struct. As a plus, this also gives us the same amount of space on 32bit and 64bit. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-01soc: qcom: mdt_loader: Support loading non-split imagesBjorn Andersson
In some software releases the firmware images are not split up with each loadable segment in it's own file. Check the size of the loaded firmware to see if it still contains each segment to be loaded, before falling back to the split-out segments. Acked-by: Andy Gross <agross@kernel.org> Reviewed-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2019-07-01net/mlx5: E-Switch, Consider host PF for inline mode and vlan popBodong Wang
When ECPF is the eswitch manager, host PF is treated like other VFs. Driver should do the same for inline mode and vlan pop. Add new iterators to include host PF if ECPF is the eswitch manager. Signed-off-by: Bodong Wang <bodong@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-07-01net/mlx5: E-Switch, Refactor eswitch SR-IOV interfaceBodong Wang
Devlink eswitch mode is not necessarily related to SR-IOV, e.g, ECPF can be at offload mode when SR-IOV is not enabled. Rename the interface and eswitch mode names to decouple from SR-IOV, and cleanup eswitch messages accordingly. Signed-off-by: Bodong Wang <bodong@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-07-01net/mlx5: Handle host PF vport mac/guid for ECPFBodong Wang
When ECPF is eswitch manager, it has the privilege to query and configure the mac and node guid of host PF. While vport number of host PF is 0, the vport command should be issued with other_vport set in this case as the cmd is issued by ECPF vport(0xfffe). Add a specific function to query own vport mac. Low level functions are used by vport manager to query/modify any vport mac and node guid. Signed-off-by: Bodong Wang <bodong@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-07-01net/mlx5: Reduce dependency on enabled_vfs counter and num_vfsParav Pandit
While enabling SR-IOV, PCI core already checks that if SR-IOV is already enabled, it returns failure error code. Hence, remove such duplicate check from mlx5_core driver. While at it, make mlx5_device_disable_sriov() to perform cleanup of VFs in reverse order of mlx5_device_enable_sriov(). Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-07-01net/mlx5: Don't handle VF func change if host PF is disabledBodong Wang
When ECPF eswitch manager is at offloads mode, it monitors functions changed event from host PF side and acts according to the number of VFs enabled/disabled. As ECPF and host PF work in two independent hosts, it's possible that host PF OS reboots but ECPF system is still kept on and continues monitoring events from host PF. When kernel from host PF side is booting, PCI iov driver does sriov_init and compute_max_vf_buses by iterating over all valid num of VFs. This triggers FLR and generates functions changed events, even though host PF HCA is not enabled at this time. However, ECPF is not aware of this information, and still handles these events as usual. ECPF system will see massive number of reps are created, but destroyed immediately once creation finished. To eliminate this noise, a bit is added to host parameter context to indicate host PF is disabled. ECPF will not handle the VF changed event if this bit is set. Signed-off-by: Bodong Wang <bodong@mellanox.com> Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-07-01net/mlx5: Rename mlx5_pci_dev_type to mlx5_coredev_typeHuy Nguyen
Rename mlx5_pci_dev_type to mlx5_coredev_type to distinguish different mlx5 device types. mlx5_coredev_type represents mlx5_core_dev instance type. Hence keep mlx5_coredev_type in mlx5_core_dev structure. Signed-off-by: Huy Nguyen <huyn@mellanox.com> Signed-off-by: Vu Pham <vuhuong@mellanox.com> Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-07-01{IB, net}/mlx5: E-Switch, Use index of rep for vport to IB port mappingBodong Wang
In the single IB device mode, the mapping between vport number and rep relies on a counter. However for dynamic vport allocation, it is desired to keep consistent map of eswitch vport and IB port. Hence, simplify code to remove the free running counter and instead use the available vport index during load/unload sequence from the eswitch. Signed-off-by: Bodong Wang <bodong@mellanox.com> Suggested-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-07-01net/mlx5: Added MCQI and MCQS registers' description to ifcShay Agroskin
Given a fw component index, the MCQI register allows us to query this component's information (e.g. its version and capabilities). Given a fw component index, the MCQS register allows us to query the status of a fw component, including its type and state (e.g. PRESET/IN_USE). It can be used to find the index of a component of a specific type, by sequentially increasing the component index, and querying each time the type of the returned component. If max component index is reached, 'last_index_flag' is set by the HCA. These registers' description was added to query the running and pending fw version of the HCA. Signed-off-by: Shay Agroskin <shayag@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-07-01net/mlx5: Add hardware definitions for sub functionsParav Pandit
Update mlx5 device interface data structures for: 1. New command definitions for allocating, deallocating SF 2. Query SF partition 3. Eswitch SF fields 4. HCA CAP SF fields 5. Extend Eswitch functions command for SF Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Vu Pham <vuhuong@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-07-01Merge tag 'v5.3-rockchip-dts32-2' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/dt Display support for rk3228/rk3229 (up to hdmi output) and more love for rk3288-veyron boards. * tag 'v5.3-rockchip-dts32-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip: ARM: dts: rockchip: add display nodes for rk322x ARM: dts: rockchip: fix vop iommu-cells on rk322x clk: rockchip: add clock id for hdmi_phy special clock on rk3228 clk: rockchip: add clock id for watchdog pclk on rk3328 Revert "ARM: dts: rockchip: set PWM delay backlight settings for Minnie" ARM: dts: rockchip: Configure BT_DEV_WAKE in on rk3288-veyron ARM: dts: rockchip: Configure BT_HOST_WAKE as wake-up signal on veyron Signed-off-by: Olof Johansson <olof@lixom.net>
2019-07-01net:gue.h:Fix shifting signed 32-bit value by 31 bits problemVandana BN
Fix GUE_PFLAG_REMCSUM to use "U" cast to avoid shifting signed 32-bit value by 31 bits problem. Signed-off-by: Vandana BN <bnvandana@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-01ipv6: icmp: allow flowlabel reflection in echo repliesEric Dumazet
Extend flowlabel_reflect bitmask to allow conditional reflection of incoming flowlabels in echo replies. Note this has precedence against auto flowlabels. Add flowlabel_reflect enum to replace hard coded values. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-01net: dst.h: Fix shifting signed 32-bit value by 31 bits problemVandana BN
Fix DST_FEATURE_ECN_CA to use "U" cast to avoid shifting signed 32-bit value by 31 bits problem. Signed-off-by: Vandana BN <bnvandana@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-01asm-generic: remove ptrace.hChristoph Hellwig
No one is using this header anymore. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Paul Burton <paul.burton@mips.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-07-01vfs: create a generic checking function for FS_IOC_FSSETXATTRDarrick J. Wong
Create a generic checking function for the incoming FS_IOC_FSSETXATTR fsxattr values so that we can standardize some of the implementation behaviors. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Jan Kara <jack@suse.cz>
2019-07-01vfs: create a generic checking and prep function for FS_IOC_SETFLAGSDarrick J. Wong
Create a generic function to check incoming FS_IOC_SETFLAGS flag values and later prepare the inode for updates so that we can standardize the implementations that follow ext4's flag values. Note that the efivarfs implementation no longer fails a no-op SETFLAGS without CAP_LINUX_IMMUTABLE since that's the behavior in ext*. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: David Sterba <dsterba@suse.com> Reviewed-by: Bob Peterson <rpeterso@redhat.com>
2019-07-01Merge branch 'for-linus' into for-nextTakashi Iwai
This back-merge is necessary for adjusting the latest FireWire fix with the recent refactoring in 5.3 development branch. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-01Merge branch 'for-next/perf' of ↵Catalin Marinas
git://git.kernel.org/pub/scm/linux/kernel/git/will/linux * 'for-next/perf' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux: perf: arm_spe: Enable ACPI/Platform automatic module loading arm_pmu: acpi: spe: Add initial MADT/SPE probing ACPI/PPTT: Add function to return ACPI 6.3 Identical tokens ACPI/PPTT: Modify node flag detection to find last IDENTICAL MAINTAINERS: Add maintainer entry for the imx8 DDR PMU driver drivers/perf: imx_ddr: Add DDR performance counter support to perf dt-bindings: perf: imx8-ddr: add imx8qxp ddr performance monitor
2019-07-01block: fix .bi_size overflowMing Lei
'bio->bi_iter.bi_size' is 'unsigned int', which at most hold 4G - 1 bytes. Before 07173c3ec276 ("block: enable multipage bvecs"), one bio can include very limited pages, and usually at most 256, so the fs bio size won't be bigger than 1M bytes most of times. Since we support multi-page bvec, in theory one fs bio really can be added > 1M pages, especially in case of hugepage, or big writeback with too many dirty pages. Then there is chance in which .bi_size is overflowed. Fixes this issue by using bio_full() to check if the added segment may overflow .bi_size. Cc: Liu Yiding <liuyd.fnst@cn.fujitsu.com> Cc: kernel test robot <rong.a.chen@intel.com> Cc: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: linux-xfs@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org Cc: stable@vger.kernel.org Fixes: 07173c3ec276 ("block: enable multipage bvecs") Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-01Merge tag 'v5.2-rc6' into for-5.3/blockJens Axboe
Merge 5.2-rc6 into for-5.3/block, so we get the same page merge leak fix. Otherwise we end up having conflicts with future patches between for-5.3/block and master that touch this area. In particular, it makes the bio_full() fix hard to backport to stable. * tag 'v5.2-rc6': (482 commits) Linux 5.2-rc6 Revert "iommu/vt-d: Fix lock inversion between iommu->lock and device_domain_lock" Bluetooth: Fix regression with minimum encryption key size alignment tcp: refine memory limit test in tcp_fragment() x86/vdso: Prevent segfaults due to hoisted vclock reads SUNRPC: Fix a credential refcount leak Revert "SUNRPC: Declare RPC timers as TIMER_DEFERRABLE" net :sunrpc :clnt :Fix xps refcount imbalance on the error path NFS4: Only set creation opendata if O_CREAT ARM: 8867/1: vdso: pass --be8 to linker if necessary KVM: nVMX: reorganize initial steps of vmx_set_nested_state KVM: PPC: Book3S HV: Invalidate ERAT when flushing guest TLB entries habanalabs: use u64_to_user_ptr() for reading user pointers nfsd: replace Jeff by Chuck as nfsd co-maintainer inet: clear num_timeout reqsk_alloc() PCI/P2PDMA: Ignore root complex whitelist when an IOMMU is present net: mvpp2: debugfs: Add pmap to fs dump ipv6: Default fib6_type to RTN_UNICAST when not set net: hns3: Fix inconsistent indenting net/af_iucv: always register net_device notifier ...
2019-07-01habanalabs: Add busy engines bitmask to HW idle IOCTLTomer Tayar
The information which is currently provided as a response to the "HL_INFO_HW_IDLE" IOCTL is merely a general boolean value. This patch extends it and provides also a bitmask that indicates which of the device engines are busy. Signed-off-by: Tomer Tayar <ttayar@habana.ai> Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2019-07-01mfd / platform: cros_ec_debugfs: Expose resume result via debugfsEvan Green
For ECs that support it, the EC returns the number of slp_s0 transitions and whether or not there was a timeout in the resume response. Expose the last resume result to usermode via debugfs so that usermode can detect and report S0ix timeouts. Signed-off-by: Evan Green <evgreen@chromium.org> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
2019-07-01Merge branch 'for-joerg/arm-smmu/updates' of ↵Joerg Roedel
git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into arm/smmu
2019-07-01btrfs: extent-tree: Add trace events for space info numbers updateQu Wenruo
Add trace event for update_bytes_pinned() and update_bytes_may_use() to detect underflow better. The output would be something like (only showing data part): ## Buffered write start, 16K total ## 2255.954 xfs_io/860 btrfs:update_bytes_may_use:(nil)U: type=DATA old=0 diff=4096 2257.169 sudo/860 btrfs:update_bytes_may_use:(nil)U: type=DATA old=4096 diff=4096 2257.346 sudo/860 btrfs:update_bytes_may_use:(nil)U: type=DATA old=8192 diff=4096 2257.542 sudo/860 btrfs:update_bytes_may_use:(nil)U: type=DATA old=12288 diff=4096 ## Delalloc start ## 3727.853 kworker/u8:3-e/700 btrfs:update_bytes_may_use:(nil)U: type=DATA old=16384 diff=-16384 ## Space cache update ## 3733.132 sudo/862 btrfs:update_bytes_may_use:(nil)U: type=DATA old=0 diff=65536 3733.169 sudo/862 btrfs:update_bytes_may_use:(nil)U: type=DATA old=65536 diff=-65536 3739.868 sudo/862 btrfs:update_bytes_may_use:(nil)U: type=DATA old=0 diff=65536 3739.891 sudo/862 btrfs:update_bytes_may_use:(nil)U: type=DATA old=65536 diff=-65536 These two trace events will allow bcc tool to probe btrfs_space_info changes and detect underflow with more details (e.g. backtrace for each update). Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2019-07-01Merge tag 'usb-for-v5.3' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next Felipe writes: usb: changes for v5.3 merge window The biggest part here is a set of patches removing unnecesary variables from several drivers. Meson-g12a's dwc3 glue implemented IRQ-based OTG/DRD role swap. Qcom's dwc3 glue added support for ACPI, mainly for the AArch64-based SoCs. DWC3 also got support for Intel Elkhart Lake platforms. * tag 'usb-for-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (30 commits) usb: dwc3: remove unused @lock member of dwc3_ep struct usb: dwc3: pci: Add Support for Intel Elkhart Lake Devices usb: Replace snprintf with scnprintf in gether_get_ifname usb: gadget: ether: Fix race between gether_disconnect and rx_submit usb: gadget: storage: Remove warning message usb: dwc3: gadget: Add support for disabling U1 and U2 entries usb: gadget: send usb_gadget as an argument in get_config_params doc: dt: bindings: usb: dwc3: Update entries for disabling U1 and U2 usb: dwc3: qcom: Use of_clk_get_parent_count() usb: dwc3: Fix core validation in probe, move after clocks are enabled usb: dwc3: qcom: Improve error handling usb: dwc3: qcom: Start USB in 'host mode' on the SDM845 usb: dwc3: qcom: Add support for booting with ACPI soc: qcom: geni: Add support for ACPI Revert "usb: dwc2: host: Setting qtd to NULL after freeing it" usb: gadget: net2272: remove redundant assignments to pointer 's' usb: gadget: Zero ffs_io_data USB: omap_udc: Remove unneeded variable fotg210-udc: Remove unneeded variable usb: gadget: at91_udc: Remove unneeded variable ...
2019-07-01drm/selftests: reduce stack usageArnd Bergmann
Putting a large drm_connector object on the stack can lead to warnings in some configuration, such as: drivers/gpu/drm/selftests/test-drm_cmdline_parser.c:18:12: error: stack frame size of 1040 bytes in function 'drm_cmdline_test_res' [-Werror,-Wframe-larger-than=] static int drm_cmdline_test_res(void *ignored) Since the object is never modified, just declare it as 'static const' and allow this to be passed down. Fixes: b7ced38916a9 ("drm/selftests: Add command line parser selftests") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628121712.1928142-1-arnd@arndb.de
2019-07-01soundwire: add module_sdw_driver helper macroSrinivas Kandagatla
This Helper macro is for SoundWire drivers which do not do anything special in module init/exit. This eliminates a lot of boilerplate. Each module may only use this macro once, and calling it replaces module_init() and module_exit() Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Vinod Koul <vkoul@kernel.org>
2019-07-01xfrm: remove get_mtu indirection from xfrm_typeFlorian Westphal
esp4_get_mtu and esp6_get_mtu are exactly the same, the only difference is a single sizeof() (ipv4 vs. ipv6 header). Merge both into xfrm_state_mtu() and remove the indirection. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2019-06-30Merge tag 'mlx5e-updates-2019-06-28' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux Saeed Mahameed says: ==================== mlx5e-updates-2019-06-28 This series adds some misc updates for mlx5e driver 1) Allow adding the same mac more than once in MPFS table 2) Move to HW checksumming advertising 3) Report netdevice MPLS features 4) Correct physical port name of the PF representor 5) Reduce stack usage in mlx5_eswitch_termtbl_create 6) Refresh TIR improvement for representors 7) Expose same physical switch_id for all representors ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-30Merge back PCI power management material for v5.3.Rafael J. Wysocki
2019-06-30Input: elan_i2c - export the device id whitelistJeffrey Hugo
Elan_i2c and hid-quirks work in conjunction to decide which devices each driver will handle. Elan_i2c has a whitelist of devices that should be consumed by hid-quirks so that there is one master list of devices to handoff between the drivers. Put the ids in a header file so that hid-quirks can consume it instead of duplicating the list. Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com> Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2019-06-29hwspinlock: add the 'in_atomic' APIFabien Dessenne
Add the 'in_atomic' mode which can be called from an atomic context. This mode relies on the existing 'raw' mode (no lock, no preemption/irq disabling) with the difference that the timeout is not based on jiffies (jiffies won't increase when irq are disabled) but handled with busy-waiting udelay() calls. Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2019-06-29remoteproc: add vendor resources handlingClement Leger
In order to allow rproc backend to handle vendor resources such as in OpenAMP, add a handle_rsc hook. This hook allow the rproc backends to handle vendor resources as they like. The hook will be called only for vendor resources and should return RSC_HANDLED on successful resource handling, RSC_IGNORED if resource was ignored, or a negative value on error. Signed-off-by: Clement Leger <cleger@kalray.eu> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2019-06-29packet: Fix undefined behavior in bit shiftJiunn Chang
Shifting signed 32-bit value by 31 bits is undefined. Changing most significant bit to unsigned. Changes included in v2: - use subsystem specific subject lines - CC required mailing lists Signed-off-by: Jiunn Chang <c0d1n61at3@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-29net: make skb_dst_force return true when dst is refcountedFlorian Westphal
netfilter did not expect that skb_dst_force() can cause skb to lose its dst entry. I got a bug report with a skb->dst NULL dereference in netfilter output path. The backtrace contains nf_reinject(), so the dst might have been cleared when skb got queued to userspace. Other users were fixed via if (skb_dst(skb)) { skb_dst_force(skb); if (!skb_dst(skb)) goto handle_err; } But I think its preferable to make the 'dst might be cleared' part of the function explicit. In netfilter case, skb with a null dst is expected when queueing in prerouting hook, so drop skb for the other hooks. v2: v1 of this patch returned true in case skb had no dst entry. Eric said: Say if we have two skb_dst_force() calls for some reason on the same skb, only the first one will return false. This now returns false even when skb had no dst, as per Erics suggestion, so callers might need to check skb_dst() first before skb_dst_force(). Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-29block: sed-opal: ioctl for writing to shadow mbrJonas Rabenstein
Allow modification of the shadow mbr. If the shadow mbr is not marked as done, this data will be presented read only as the device content. Only after marking the shadow mbr as done and unlocking a locking range the actual content is accessible. Co-authored-by: David Kozub <zub@linux.fjfi.cvut.cz> Signed-off-by: Jonas Rabenstein <jonas.rabenstein@studium.uni-erlangen.de> Signed-off-by: David Kozub <zub@linux.fjfi.cvut.cz> Reviewed-by: Scott Bauer <sbauer@plzdonthack.me> Reviewed-by: Jon Derrick <jonathan.derrick@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-06-29block: sed-opal: add ioctl for done-mark of shadow mbrJonas Rabenstein
Enable users to mark the shadow mbr as done without completely deactivating the shadow mbr feature. This may be useful on reboots, when the power to the disk is not disconnected in between and the shadow mbr stores the required boot files. Of course, this saves also the (few) commands required to enable the feature if it is already enabled and one only wants to mark the shadow mbr as done. Co-authored-by: David Kozub <zub@linux.fjfi.cvut.cz> Signed-off-by: Jonas Rabenstein <jonas.rabenstein@studium.uni-erlangen.de> Signed-off-by: David Kozub <zub@linux.fjfi.cvut.cz> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed by: Scott Bauer <sbauer@plzdonthack.me> Reviewed-by: Jon Derrick <jonathan.derrick@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-06-29block: never take page references for ITER_BVECChristoph Hellwig
If we pass pages through an iov_iter we always already have a reference in the caller. Thus remove the ITER_BVEC_FLAG_NO_REF and don't take reference to pages by default for bvec backed iov_iters. Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-06-29block: optionally mark pages dirty in bio_release_pagesChristoph Hellwig
A lot of callers of bio_release_pages also want to mark the released pages as dirty. Add a mark_dirty parameter to avoid a second relatively expensive bio_for_each_segment_all loop. Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-06-29block: move the BIO_NO_PAGE_REF check into bio_release_pagesChristoph Hellwig
Move the BIO_NO_PAGE_REF check into bio_release_pages instead of duplicating it in both callers. Also make the function available outside of bio.c so that we can reuse it in other direct I/O implementations. Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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