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2017-12-18IB/core: Refactor to avoid unnecessary check on GID lookup missParav Pandit
Currently on every gid entry comparison miss found variable is checked; which is not needed as those two comparison fail already indicate that GID is not found yet. So refactor to avoid such check and copy the GID index when found. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18IB/core: Avoid unnecessary type castParav Pandit
Type cast from void to struct find_gid_index_context is not needed. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18RDMA/cma: Introduce and use helper functions to init workParav Pandit
Introduce and user helper functions to initialize work for address resolved and route resolved event that avoid code duplication at few places. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18RDMA/cma: Avoid setting path record type twiceParav Pandit
Avoid setting path record type twice for RoCE. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18RDMA/cma: Simplify netdev checkParav Pandit
Current code checks for NULL ndev twice where 2nd check is always invalid given the fact that during route resolving stage, device address must be bound to netdevice interface. This patch simplifies such check. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18RDMA/cma: Set default GID type as RoCE when resolving RoCE routeParav Pandit
As the function name suggests cma_resolve_iboe_route() resolves RoCE route. However, its default GID type is IB_GID_TYPE_IB and not IB_GID_TYPE_ROCE, even though both are mapped to the same enum value. Change default GID type to IB_GID_TYPE_ROCE. cma_iboe_set_mgid() is updated to reflect the RoCEv2 GID check. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Reviewed-by: Noa Osherovich <noaos@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18IB/umem: Fix use of npages/nmap fieldsArtemy Kovalyov
In ib_umem structure npages holds original number of sg entries, while nmap is number of DMA blocks returned by dma_map_sg. Fixes: c5d76f130b28 ('IB/core: Add umem function to read data from user-space') Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18IB/cm: Add debug prints to ib_cmDaniel Jurgens
Add debug prints to the error paths in the connection manager control flows, to help debug connection management problems. Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18IB/core: Fix memory leak in cm_req_handler error flowsMatan Barak
In cm_req_handler error flows, sometimes cm_id_priv->timewait_info isn't free'd. Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Mukesh Kacker <mukesh.kacker@oracle.com> Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18RDMA/cma: Use correct size when writing netlink statsParav Pandit
The code was using the src size when formatting the dst. They are almost certainly the same value but it reads wrong. Fixes: ce117ffac2e9 ("RDMA/cma: Export AF_IB statistics") Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18IB/ipoib: Update pathrec field if not valid recordErez Shitrit
In case that the PathRecord is not valid (SM changed its network prefix) ipoib will continue issue PathQuery requests with the same parameters that are in its database, which are no longer valid anymore. Now the driver in that case will re-initialize the record from a valid place (the priv structure keeps the updated values), and a valid request will be issued. Signed-off-by: Erez Shitrit <erezsh@mellanox.com> Reviewed-by: Alex Vesker <valex@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18IB/ipoib: Avoid memory leak if the SA returns a different DGIDErez Shitrit
The ipoib path database is organized around DGIDs from the LLADDR, but the SA is free to return a different GID when asked for path. This causes a bug because the SA's modified DGID is copied into the database key, even though it is no longer the correct lookup key, causing a memory leak and other malfunctions. Ensure the database key does not change after the SA query completes. Demonstration of the bug is as follows ipoib wants to send to GID fe80:0000:0000:0000:0002:c903:00ef:5ee2, it creates new record in the DB with that gid as a key, and issues a new request to the SM. Now, the SM from some reason returns path-record with other SGID (for example, 2001:0000:0000:0000:0002:c903:00ef:5ee2 that contains the local subnet prefix) now ipoib will overwrite the current entry with the new one, and if new request to the original GID arrives ipoib will not find it in the DB (was overwritten) and will create new record that in its turn will also be overwritten by the response from the SM, and so on till the driver eats all the device memory. Signed-off-by: Erez Shitrit <erezsh@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18IB/mlx4: Remove unused ibpd parameterErez Alfasi
Remove unused ibpd parameter from create_qp_rss() function. Signed-off-by: Erez Alfasi <ereza@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18IB/core: Avoid exporting module internal functionParav Pandit
ib_security_modify_qp and ib_security_pkey_access are core internal function. So avoid exporting them. ib_security_pkey_access is used only when secuirty hooks are enabled so avoid defining it otherwise. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18IB/core: Depend on IPv6 stack to resolve link local address for RoCEv2Parav Pandit
RoCEv1 does not use the IPv6 stack to resolve the link local DGID since it uses GID address. It forms the DMAC directly from the DGID. The code became confused and also tried to use this bypass for RoCEv2 packets, however RoCEv2 always uses a IP address in the GID and must always use ARP or neighbor discovery to get the DMAC address. Now that rdma_addr_find_l2_eth_by_grh() supports resolving link local address to find destination mac address, lets make use of it. This aligns it to how the rest of the IPv6 stack resolves link local destination IPv6 address. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Eli Cohen <eli@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-18IB/{core/cm}: Fix generating a return AH for RoCEEParav Pandit
When computing a UD reverse path (return AH) from a WC the code was not doing a route lookup anchored in a specific netdevice. This caused several bugs, including broken IPv6 link-local address support in RoCEv2. [1] This fixes the lookup by determining the GID table entry that the HW matched to the SGID for the WC and then using the netdevice from that entry to perform the route and ND lookup for the 'DGID' to build a return AH. RoCE GID table management ensures that right upper netdevices of the physical netdevices are added. Therefore init_ah_from_wc doesn't need to perform such check. Now that route lookup is done based on the netdevice of the GID entry, simplify code to not have ifindex and vlan pointers. As part of that, refactor to have netdevice as input parameter. This is already discussed at [2]. Finally ib_init_ah_from_wc resolves dmac for unicast GID in similar way as what ib_resolve_eth_dmac() does. So ib_resolve_eth_dmac is refactored to split for unicast and non unicast GIDs, so that it can be reused by ib_init_ah_from_wc. While we are at refactoring ib_resolve_eth_dmac(), it is further simplified (a) to avoid hoplimit as optional parameter, as there is only one user who always queries hoplimit. (b) for empty line. (c) avoided zero initialization of ret. (d) removed as exported symbol as only ib core uses it. For IPv6, this is tested using simple rping test as below. rping -sv -a ::0 rping -c -a fe80::268a:7ff:fe55:4661%ens2f1 -C 1 -v -d [1] https://www.spinics.net/lists/linux-rdma/msg45690.html [2] https://www.spinics.net/lists/linux-rdma/msg45710.html Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Matan Barak <matanb@mellanox.com> Reviewed-by: Mark Bloch <markb@mellanox.com> Reported-by: Roland Dreier <roland@purestorage.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-13IB/ocrdma: Remove unneeded conversions to boolAndrew F. Davis
Found with scripts/coccinelle/misc/boolconv.cocci. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-13IB/mlx4: Potential buffer overflow in _mlx4_set_path()Dan Carpenter
Smatch complains about this code: drivers/infiniband/hw/mlx4/qp.c:1827 _mlx4_set_path() error: buffer overflow 'dev->dev->caps.gid_table_len' 3 <= 255 The mlx4_ib_gid_index_to_real_index() does check that "port" is within bounds, but we don't check the return value for errors. It seems simple enough to add a check for that. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-13RDMA/cxgb4: Add a sanity check in process_work()Dan Carpenter
The story is that Smatch marks skb->data as untrusted so it generates a warning message here: drivers/infiniband/hw/cxgb4/cm.c:4100 process_work() error: buffer overflow 'work_handlers' 241 <= 255 In other places which handle this such as t4_uld_rx_handler() there is some checking to make sure that the function pointer is not NULL. I have added bounds checking and a check for NULL here as well. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-13iw_cxgb4: make pointer reg_workq staticColin Ian King
The pointer reg_workq is local to the source and does not need to be in global scope, so make it static. Cleans up sparse warning: drivers/infiniband/hw/cxgb4/device.c:69:25: warning: symbol 'reg_workq' was not declared. Should it be static? Fixes: 1c8f1da5d851 ("iw_cxgb4: Fix possible circular dependency locking warning") Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-13infiniband: cxgb4: use ktime_get for timestampsArnd Bergmann
The debugfs file prints the difference between host timestamps as a seconds/nanoseconds tuple, along with a 64-bit nanoseconds hardware timestamp. The host time is read using getnstimeofday() which is deprecated because of the y2038 overflow, and it suffers from time jumps during settimeofday() and leap seconds. Converting to ktime_get_ts64() would solve those two, but I'm going a little further here by changing to ktime_get() and printing 64-bit nanoseconds on both host and hw timestamps. This simplifies the code further and makes the output easier to understand. The format of the debugfs file obviously changes here, but this should only be read by humans and not scripts, so I assume it's fine. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-13RDMA/iwpm: Fix uninitialized error code in iwpm_send_mapinfo()Geert Uytterhoeven
With gcc-4.1.2: drivers/infiniband/core/iwpm_util.c: In function ‘iwpm_send_mapinfo’: drivers/infiniband/core/iwpm_util.c:647: warning: ‘ret’ may be used uninitialized in this function Indeed, if nl_client is not found in any of the scanned has buckets, ret will be used uninitialized. Preinitialize ret to -EINVAL to fix this. Fixes: 30dc5e63d6a5ad24 ("RDMA/core: Add support for iWARP Port Mapper user space service") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-13IB/ipoib: Warn when one port fails to initializeYuval Shaia
If one port fails to initialize an error message should indicate the reason and driver should continue serving the working port(s) and other HCA(s). Fixes: e4b2d06892c7 ("IB/ipoib: Remove device when one port fails to init"). Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-13RDMA/bnxt_re: Remove redundant bnxt_qplib_disable_nq() callArvind Yadav
The bnxt_qplib_disable_nq() call is redundant as it occurs after 'goto fail' and hence it called twice. Remove it. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11IB/srp: replace custom implementation of hex2bin()Andy Shevchenko
There is no need to have a duplication of the generic library, i.e. hex2bin(). Replace the open coded variant. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Bart Van Assche <bart.vanassche@wdc.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11IB/mlx5: revisit -Wmaybe-uninitialized warningArnd Bergmann
A warning that I thought I had fixed before occasionally comes back in rare randconfig builds (I found 7 instances in the last 100000 builds, originally it was much more frequent): drivers/infiniband/hw/mlx5/mr.c: In function 'mlx5_ib_reg_user_mr': drivers/infiniband/hw/mlx5/mr.c:1229:5: error: 'order' may be used uninitialized in this function [-Werror=maybe-uninitialized] if (order <= mr_cache_max_order(dev)) { ^ drivers/infiniband/hw/mlx5/mr.c:1247:8: error: 'ncont' may be used uninitialized in this function [-Werror=maybe-uninitialized] drivers/infiniband/hw/mlx5/mr.c:1247:8: error: 'page_shift' may be used uninitialized in this function [-Werror=maybe-uninitialized] drivers/infiniband/hw/mlx5/mr.c:1260:2: error: 'npages' may be used uninitialized in this function [-Werror=maybe-uninitialized] I've looked at all those findings again and noticed that they are all with CONFIG_INFINIBAND_USER_MEM=n, which means ib_umem_get() returns an error unconditionally and we never initialize or use those variables. This triggers a condition in gcc iff mr_umem_get() is partially but not entirely inlined, which in turn depends on the exact combination of optimization settings. This is a known problem with gcc, with no easy solution in the compiler, so this adds another workaround that should be more reliable than my previous attempt. Returning an error from mlx5_ib_reg_user_mr() earlier means that we can completely bypass the logic that caused the warning, the compiler can now see that the variable is never accessed. Fixes: 14ab8896f5d9 ("IB/mlx5: avoid bogus -Wmaybe-uninitialized warning") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11i40iw: Reinitialize add_sd_cntMustafa Ismail
add_sd_cnt in info structure passed to i40iw_create_hmc_obj_type must be 0 and since it is modified during the call, it must be reset in the loop. This avoids unnecessarily reprogramming the SDs multiple times with the same values. Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11i40iw: Use sqsize to initialize cqp_requests elementsChien Tin Tung
Use sqsize instead of I40IW_CQP_SW_SQSIZE_2048 to initialize cqp_requests elements in the for-loop as sqsize is used to allocate memory for cqp_requests. Signed-off-by: Chien Tin Tung <chien.tin.tung@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11IB/ipoib: Replace printk with pr_warnYuval Shaia
pr_* is the preferred way to print messages, replace all printk(KERN_WARN, ...) with pr_warn. Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Zhu Yanjun <yanjun.zhu@oracle.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11IB/core: Use PTR_ERR_OR_ZERO()Gomonovych, Vasyl
Fix ptr_ret.cocci warnings: drivers/infiniband/core/uverbs_cmd.c:1156:1-3: WARNING: PTR_ERR_OR_ZERO can be used Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR Generated by: scripts/coccinelle/api/ptr_ret.cocci Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11nes: remove unused 'timeval' struct memberArnd Bergmann
There is a stale entry in nes_cm_tcp_context that has apparently never been used in mainline linux. I'm trying to kill off all users of timeval as part of the y2038-safety work, so let's just remove this one. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11i40iw: remove unused 'timeval' struct memberArnd Bergmann
There is a stale entry in i40iw_cm_tcp_context that apparently was copied from the 'nes' driver but never used in i40iw. I'm trying to kill off all users of timeval as part of the y2038-safety work, so let's just remove this one. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11RDMA/vmw_pvrdma: Do not re-calculate npagesYuval Shaia
There is no need to re-calculate the number of pages since it is already done in ib_umem_get. Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Acked-by: Adit Ranadive <aditr@vmware.com> Tested-by: Adit Ranadive <aditr@vmware.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11i40w: Remove garbage at end of INFINIBAND_I40IW Kconfig sectionGeert Uytterhoeven
Remove leftover garbage (containing Kconfig dependencies for another symbol?) Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11IB/qib: Cleanup qib_set_part_key() with direct returnsJoe Perches
Perhaps the function is better written without the empty bail: label and without setting ret and just using return. Combining the int/bool conversion of any and the direct returns makes the resulting code clearer. Tested-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11IB/qib: remove redundant setting of any in for-loopColin Ian King
The variable all is being set but is never read after this hence it can be removed from the for loop initialization. Cleans up clang warning: drivers/infiniband/hw/qib/qib_file_ops.c:640:7: warning: Value stored to 'any' is never read Tested-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11IB/qib: Fix comparison error with qperf compare/swap testMike Marciniszyn
This failure exists with qib: ver_rc_compare_swap: mismatch, sequence 2, expected 123456789abcdef, got 0 The request builder was using the incorrect inlines to build the request header resulting in incorrect data in the atomic header. Fix by using the appropriate inlines to create the request. Cc: <stable@vger.kernel.org> # 4.9.x+ Fixes: 261a4351844b ("IB/qib,IB/hfi: Use core common header file") Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11IB/hfi1: Use 4096 for default active MTU in query_qpJan Sokolowski
Currently, if a port is queried that has an invalid Maximum Transmission Unit, driver reports default MTU of 2048. This in incorrect. Use default value of 4096 if invalid. Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jan Sokolowski <jan.sokolowski@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11IB/CM: Change sgid to IB GID when handling CM requestDon Hiatt
ULPs do not understand OPA GIDs and will reject CM requests if the sgid does not match the local_gid. In order to fix this behavior we convert the OPA GID back to an IB GID. Reviewed-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Don Hiatt <don.hiatt@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-11IB/hfi1: Mask the path bits with the LMC for 16B RC AcksDon Hiatt
16B packets require that the path bits are masked with the LMC. This mask is done correctly in all 16B header creation but was left out for the RC Acknowledge. Reviewed-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Don Hiatt <don.hiatt@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2017-12-03Linux 4.15-rc2Linus Torvalds
2017-12-03Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-armLinus Torvalds
Pull ARM fix from Russell King: "Just one fix this time around, for the late commit in the merge window that triggered a problem with qemu. Qemu is apparently also going to receive a fix for the discovered issue" * 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm: ARM: avoid faulting on qemu
2017-12-03Merge branch 'i2c/for-current' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "Here are two bugfixes for I2C, fixing a memleak in the core and irq allocation for i801. Also three bugfixes for the at24 eeprom driver which Bartosz collected while taking over maintainership for this driver" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: eeprom: at24: check at24_read/write arguments eeprom: at24: fix reading from 24MAC402/24MAC602 eeprom: at24: correctly set the size for at24mac402 i2c: i2c-boardinfo: fix memory leaks on devinfo i2c: i801: Fix Failed to allocate irq -2147483648 error
2017-12-03Merge tag 'hwmon-for-linus-v4.15-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fixes from Guenter Roeck: "Fixes: - Drop reference to obsolete maintainer tree - Fix overflow bug in pmbus driver - Fix SMBUS timeout problem in jc42 driver For the SMBUS timeout handling, we had a brief discussion if this should be considered a bug fix or a feature. Peter says "it fixes real problems where the application misbehave due to faulty content when reading from an eeprom", and he needs the patch in his company's v4.14 images. This is good enough for me and warrants backport to stable kernels" * tag 'hwmon-for-linus-v4.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (jc42) optionally try to disable the SMBUS timeout hwmon: (pmbus) Use 64bit math for DIRECT format values hwmon: Drop reference to Jean's tree
2017-12-03Merge tag 'at24-4.15-fixes-for-wolfram' of ↵Wolfram Sang
git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-current Please consider pulling the following fixes for v4.15. While it doesn't fix any regression introduced in the v4.15 merge window, we have a feature in at24 since linux v4.8 - reading the mac address block from at24mac series - which turned out to be not working. This pull request contains changes that fix it together with a patch that hardens the read and write argument sanitization with out-of-bounds checks that were missing.
2017-12-01Merge tag 'nfs-for-4.15-2' of git://git.linux-nfs.org/projects/anna/linux-nfsLinus Torvalds
Pull NFS client fixes from Anna Schumaker: "These patches fix a problem with compiling using an old version of gcc, and also fix up error handling in the SUNRPC layer. - NFSv4: Ensure gcc 4.4.4 can compile initialiser for "invalid_stateid" - SUNRPC: Allow connect to return EHOSTUNREACH - SUNRPC: Handle ENETDOWN errors" * tag 'nfs-for-4.15-2' of git://git.linux-nfs.org/projects/anna/linux-nfs: SUNRPC: Handle ENETDOWN errors SUNRPC: Allow connect to return EHOSTUNREACH NFSv4: Ensure gcc 4.4.4 can compile initialiser for "invalid_stateid"
2017-12-01Merge tag 'xfs-4.15-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds
Pull xfs fixes from Darrick Wong: "Here are some bug fixes for 4.15-rc2. - fix memory leaks that appeared after removing ifork inline data buffer - recover deferred rmap update log items in correct order - fix memory leaks when buffer construction fails - fix memory leaks when bmbt is corrupt - fix some uninitialized variables and math problems in the quota scrubber - add some omitted attribution tags on the log replay commit - fix some UBSAN complaints about integer overflows with large sparse files - implement an effective inode mode check in online fsck - fix log's inability to retry quota item writeout due to transient errors" * tag 'xfs-4.15-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: Properly retry failed dquot items in case of error during buffer writeback xfs: scrub inode mode properly xfs: remove unused parameter from xfs_writepage_map xfs: ubsan fixes xfs: calculate correct offset in xfs_scrub_quota_item xfs: fix uninitialized variable in xfs_scrub_quota xfs: fix leaks on corruption errors in xfs_bmap.c xfs: fortify xfs_alloc_buftarg error handling xfs: log recovery should replay deferred ops in order xfs: always free inline data before resetting inode fork during ifree
2017-12-01Merge tag 'riscv-for-linus-4.15-rc2_cleanups' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux Pull RISC-V cleanups and ABI fixes from Palmer Dabbelt: "This contains a handful of small cleanups that are a result of feedback that didn't make it into our original patch set, either because the feedback hadn't been given yet, I missed the original emails, or we weren't ready to submit the changes yet. I've been maintaining the various cleanup patch sets I have as their own branches, which I then merged together and signed. Each merge commit has a short summary of the changes, and each branch is based on your latest tag (4.15-rc1, in this case). If this isn't the right way to do this then feel free to suggest something else, but it seems sane to me. Here's a short summary of the changes, roughly in order of how interesting they are. - libgcc.h has been moved from include/lib, where it's the only member, to include/linux. This is meant to avoid tab completion conflicts. - VDSO entries for clock_get/gettimeofday/getcpu have been added. These are simple syscalls now, but we want to let glibc use them from the start so we can make them faster later. - A VDSO entry for instruction cache flushing has been added so userspace can flush the instruction cache. - The VDSO symbol versions for __vdso_cmpxchg{32,64} have been removed, as those VDSO entries don't actually exist. - __io_writes has been corrected to respect the given type. - A new READ_ONCE in arch_spin_is_locked(). - __test_and_op_bit_ord() is now actually ordered. - Various small fixes throughout the tree to enable allmodconfig to build cleanly. - Removal of some dead code in our atomic support headers. - Improvements to various comments in our atomic support headers" * tag 'riscv-for-linus-4.15-rc2_cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux: (23 commits) RISC-V: __io_writes should respect the length argument move libgcc.h to include/linux RISC-V: Clean up an unused include RISC-V: Allow userspace to flush the instruction cache RISC-V: Flush I$ when making a dirty page executable RISC-V: Add missing include RISC-V: Use define for get_cycles like other architectures RISC-V: Provide stub of setup_profiling_timer() RISC-V: Export some expected symbols for modules RISC-V: move empty_zero_page definition to C and export it RISC-V: io.h: type fixes for warnings RISC-V: use RISCV_{INT,SHORT} instead of {INT,SHORT} for asm macros RISC-V: use generic serial.h RISC-V: remove spin_unlock_wait() RISC-V: `sfence.vma` orderes the instruction cache RISC-V: Add READ_ONCE in arch_spin_is_locked() RISC-V: __test_and_op_bit_ord should be strongly ordered RISC-V: Remove smb_mb__{before,after}_spinlock() RISC-V: Remove __smp_bp__{before,after}_atomic RISC-V: Comment on why {,cmp}xchg is ordered how it is ...
2017-12-01Merge tag 'arm64-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "The critical one here is a fix for fpsimd register corruption across signals which was introduced by the SVE support code (the register files overlap), but the others are worth having as well. Summary: - Fix FP register corruption when SVE is not available or in use - Fix out-of-tree module build failure when CONFIG_ARM64_MODULE_PLTS=y - Missing 'const' generating errors with LTO builds - Remove unsupported events from Cortex-A73 PMU description - Removal of stale and incorrect comments" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: context: Fix comments and remove pointless smp_wmb() arm64: cpu_ops: Add missing 'const' qualifiers arm64: perf: remove unsupported events for Cortex-A73 arm64: fpsimd: Fix failure to restore FPSIMD state after signals arm64: pgd: Mark pgd_cache as __ro_after_init arm64: ftrace: emit ftrace-mod.o contents through code arm64: module-plts: factor out PLT generation code for ftrace arm64: mm: cleanup stale AIVIVT references
2017-12-01RISC-V: Fixes for clean allmodconfig buildPalmer Dabbelt
Olaf said: Here's a short series of patches that produces a working allmodconfig. Would be nice to see them go in so we can add build coverage. I've dropped patches 8 and 10 from the original set: * [PATCH 08/10] (RISC-V: Set __ARCH_WANT_RENAMEAT to pick up generic version) has a better fix that I've sent out for review, we don't want renameat. * [PATCH 10/10] (input: joystick: riscv has get_cycles) has already been taken into Dmitry Torokhov's tree.
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