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2020-05-16drm/vmwgfx: Return true in function vmw_fence_obj_signaled()Jason Yan1-1/+1
Fix the following coccicheck warning: drivers/gpu/drm/vmwgfx/vmwgfx_fence.c:518:9-10: WARNING: return of 0/1 in function 'vmw_fence_obj_signaled' with return type bool Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Roland Scheidegger <sroland@vmware.com>
2020-05-16drm/vmwgfx: remove redundant assignment to variable retColin Ian King1-1/+1
The variable ret is being initialized with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Roland Scheidegger <sroland@vmware.com>
2020-05-16drm/vmwgfx: Fix parameter name in vmw_bo_initGuixiong Wei1-1/+1
The parameter name should be interruptible instead of interuptable. Signed-off-by: Guixiong Wei <guixiongwei@gmail.com> Signed-off-by: Roland Scheidegger <sroland@vmware.com>
2020-05-16drm/vmwgfx: update MAINTAINERS entryRoland Scheidegger1-2/+2
Maintainer switch from Thomas Hellstrom to Roland Scheidegger Reviewed-by: Charmaine Lee <charmainel@vmware.com> Reviewed-by: Neha Bhende <bhenden@vmware.com> Acked-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Roland Scheidegger <sroland@vmware.com>
2020-05-16bpf: Selftests, add ktls tests to test_sockmapJohn Fastabend1-26/+44
Until now we have only had minimal ktls+sockmap testing when being used with helpers and different sendmsg/sendpage patterns. Add a pass with ktls here. To run just ktls tests, $ ./test_sockmap --whitelist="ktls" Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/158939736278.15176.5435314315563203761.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, add blacklist to test_sockmapJohn Fastabend1-2/+31
This adds a blacklist to test_sockmap. For example, now we can run all apply and cork tests except those with timeouts by doing, $ ./test_sockmap --whitelist "apply,cork" --blacklist "hang" Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/158939734350.15176.6643981099665208826.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, add whitelist option to test_sockmapJohn Fastabend1-1/+30
Allow running specific tests with a comma deliminated whitelist. For example to run all apply and cork tests. $ ./test_sockmap --whitelist="cork,apply" Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/158939732464.15176.1959113294944564542.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, provide verbose option for selftests executionJohn Fastabend1-108/+71
Pass options from command line args into individual tests which allows us to use verbose option from command line with selftests. Now when verbose option is set individual subtest details will be printed. Also we can consolidate cgroup bring up and tear down. Additionally just setting verbose is very noisy so introduce verbose=1 and verbose=2. Really verbose=2 is only useful when developing tests or debugging some specific issue. For example now we get output like this with --verbose, #20/17 sockhash:txmsg test pull-data:OK [TEST 160]: (512, 1, 3, sendpage, pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 1 cnt 512 err 0 [TEST 161]: (100, 1, 5, sendpage, pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 3 cnt 100 err 0 [TEST 162]: (2, 1024, 256, sendpage, pop (4096,8192),): msg_loop_rx: iov_count 1 iov_buf 255 cnt 2 err 0 [TEST 163]: (512, 1, 3, sendpage, redir,pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 1 cnt 512 err 0 [TEST 164]: (100, 1, 5, sendpage, redir,pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 3 cnt 100 err 0 [TEST 165]: (512, 1, 3, sendpage, cork 512,pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 1 cnt 512 err 0 [TEST 166]: (100, 1, 5, sendpage, cork 512,pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 3 cnt 100 err 0 [TEST 167]: (512, 1, 3, sendpage, redir,cork 4,pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 1 cnt 512 err 0 [TEST 168]: (100, 1, 5, sendpage, redir,cork 4,pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 3 cnt 100 err 0 Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/158939730412.15176.1975675235035143367.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, break down test_sockmap into subtestsJohn Fastabend1-375/+348
At the moment test_sockmap runs all 800+ tests ungrouped which is not ideal because it makes it hard to see what is failing but also more importantly its hard to confirm all cases are tested. Additionally, after inspecting we noticed the runtime is bloated because we run many duplicate tests. Worse some of these tests are known error cases that wait for the recvmsg handler to timeout which creats long delays. Also we noted some tests were not clearing their options and as a result the following tests would run with extra and incorrect options. Fix this by reorganizing test code so its clear what tests are running and when. Then it becomes easy to remove duplication and run tests with only the set of send/recv patterns that are relavent. To accomplish this break test_sockmap into subtests and remove unnecessary duplication. The output is more readable now and the runtime reduced. Now default output prints subtests like this, $ ./test_sockmap # 1/ 6 sockmap:txmsg test passthrough:OK ... #22/ 1 sockhash:txmsg test push/pop data:OK Pass: 22 Fail: 0 Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/158939728384.15176.13601520183665880762.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, improve test_sockmap total bytes counterJohn Fastabend1-3/+8
The recv thread in test_sockmap waits to receive all bytes from sender but in the case we use pop data it may wait for more bytes then actually being sent. This stalls the test harness for multiple seconds. Because this happens in multiple tests it slows time to run the selftest. Fix by doing a better job of accounting for total bytes when pop helpers are used. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/158939726542.15176.5964532245173539540.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, print error in test_sockmap error casesJohn Fastabend1-8/+17
Its helpful to know the error value if an error occurs. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/158939724566.15176.12079885932643225626.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, sockmap test prog run without setting cgroupJohn Fastabend1-6/+22
Running test_sockmap with arguments to specify a test pattern requires including a cgroup argument. Instead of requiring this if the option is not provided create one This is not used by selftest runs but I use it when I want to test a specific test. Most useful when developing new code and/or tests. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/158939722675.15176.6294210959489131688.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, remove prints from sockmap testsJohn Fastabend2-174/+9
The prints in the test_sockmap programs were only useful when we didn't have enough control over test infrastructure to know from user program what was being pushed into kernel side. Now that we have or will shortly have better test controls lets remove the printers. This means we can remove half the programs and cleanup bpf side. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/158939720756.15176.9806965887313279429.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, move sockmap bpf prog header into progsJohn Fastabend1-0/+0
Moves test_sockmap_kern.h into progs directory but does not change code at all. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/158939718921.15176.5766299102332077086.stgit@john-Precision-5820-Tower
2020-05-16Merge tag 'mlx5-updates-2020-05-15' of ↵David S. Miller24-204/+554
git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux Saeed Mahameed says: ==================== mlx5-updates-2020-05-15 mlx5 core and mlx5e (netdev) updates: 1) Two fixes for release all FW pages support. 2) Improvement in calculating the send queue stop room on tx 3) Flow steering auto-groups creation improvements 4) TC offload fix for Connection tracking with NAT action 5) IPoIB support for self looback to allow communication between ipoib pkey child interfaces on the same host. 6) DCBNL cleanup to avoid #ifdef DCBNL all over the main mlx5e code 7) Small and trivial code cleanup ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-16ethernet: ti: am65-cpts: Add missing inline qualifier to stub functionsNathan Chancellor1-4/+4
When building with Clang: In file included from drivers/net/ethernet/ti/am65-cpsw-ethtool.c:15: drivers/net/ethernet/ti/am65-cpts.h:58:12: warning: unused function 'am65_cpts_ns_gettime' [-Wunused-function] static s64 am65_cpts_ns_gettime(struct am65_cpts *cpts) ^ drivers/net/ethernet/ti/am65-cpts.h:63:12: warning: unused function 'am65_cpts_estf_enable' [-Wunused-function] static int am65_cpts_estf_enable(struct am65_cpts *cpts, ^ drivers/net/ethernet/ti/am65-cpts.h:69:13: warning: unused function 'am65_cpts_estf_disable' [-Wunused-function] static void am65_cpts_estf_disable(struct am65_cpts *cpts, int idx) ^ 3 warnings generated. These functions need to be marked as inline, which adds __maybe_unused, to avoid these warnings, which is the pattern for stub functions. Fixes: ec008fa2a9e5 ("ethernet: ti: am65-cpts: add routines to support taprio offload") Link: https://github.com/ClangBuiltLinux/linux/issues/1026 Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-16selftests/bpf: Move test_align under test_progsStanislav Fomichev1-61/+7
There is a much higher chance we can see the regressions if the test is part of test_progs. Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20200515194904.229296-2-sdf@google.com
2020-05-16selftests/bpf: Fix test_align verifier log patternsStanislav Fomichev1-20/+21
Commit 294f2fc6da27 ("bpf: Verifer, adjust_scalar_min_max_vals to always call update_reg_bounds()") changed the way verifier logs some of its state, adjust the test_align accordingly. Where possible, I tried to not copy-paste the entire log line and resorted to dropping the last closing brace instead. Fixes: 294f2fc6da27 ("bpf: Verifer, adjust_scalar_min_max_vals to always call update_reg_bounds()") Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20200515194904.229296-1-sdf@google.com
2020-05-16libbpf, hashmap: Fix signedness warningsIan Rogers1-3/+2
Fixes the following warnings: hashmap.c: In function ‘hashmap__clear’: hashmap.h:150:20: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare] 150 | for (bkt = 0; bkt < map->cap; bkt++) \ hashmap.c: In function ‘hashmap_grow’: hashmap.h:150:20: error: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘long unsigned int’} [-Werror=sign-compare] 150 | for (bkt = 0; bkt < map->cap; bkt++) \ Signed-off-by: Ian Rogers <irogers@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200515165007.217120-4-irogers@google.com
2020-05-16libbpf, hashmap: Remove unused #includeIan Rogers1-1/+0
Remove #include of libbpf_internal.h that is unused. Discussed in this thread: https://lore.kernel.org/lkml/CAEf4BzZRmiEds_8R8g4vaAeWvJzPb4xYLnpF0X2VNY8oTzkphQ@mail.gmail.com/ Signed-off-by: Ian Rogers <irogers@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200515165007.217120-3-irogers@google.com
2020-05-16bpf: Fix check_return_code to only allow [0,1] in trace_iter progsDaniel Borkmann1-1/+2
As per 15d83c4d7cef ("bpf: Allow loading of a bpf_iter program") we only allow a range of [0,1] for return codes. Therefore BPF_TRACE_ITER relies on the default tnum_range(0, 1) which is set in range var. On recent merge of net into net-next commit e92888c72fbd ("bpf: Enforce returning 0 for fentry/fexit progs") got pulled in and caused a merge conflict with the changes from 15d83c4d7cef. The resolution had a snall hiccup in that it removed the [0,1] range restriction again so that BPF_TRACE_ITER would have no enforcement. Fix it by adding it back. Fixes: da07f52d3caf ("Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net") Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org>
2020-05-16net/mlx5e: Take DCBNL-related definitions into dedicated filesTariq Toukan5-73/+84
Take DCBNL-related definitions out of the common en.h header, Use a dedicated header file for exposing them. Some need not to be exposed, use them locally in the .c file. Use stubs to eliminate use of CONFIG_MLX5_CORE_EN_DCB in the generic control flows. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-05-16net/mlx5e: Calculate SQ stop room in a robust wayMaxim Mikityanskiy8-36/+84
Currently, different formulas are used to estimate the space that may be taken by WQEs in the SQ during a single packet transmit. This space is called stop room, and it's checked in the end of packet transmit to find out if the next packet could overflow the SQ. If it could, the driver tells the kernel to stop sending next packets. Many factors affect the stop room: 1. Padding with NOPs to avoid WQEs spanning over page boundaries. 2. Enabled and disabled offloads (TLS, upcoming MPWQE). 3. The maximum size of a WQE. The padding is performed before every WQE if it doesn't fit the current page. The current formula assumes that only one padding will be required per packet, and it doesn't take into account that the WQEs posted during the transmission of a single packet might exceed the page size in very rare circumstances. For example, to hit this condition with 4096-byte pages, TLS offload will have to interrupt an almost-full MPWQE session, be in the resync flow and try to transmit a near to maximum amount of data. To avoid SQ overflows in such rare cases after MPWQE is added, this patch introduces a more robust formula to estimate the stop room. The new formula uses the fact that a WQE of size X will not require more than X-1 WQEBBs of padding. More exact estimations are possible, but they result in much more complex and error-prone code for little gain. Before this patch, the TLS stop room included space for both INNOVA and ConnectX TLS offloads that couldn't run at the same time anyway, so this patch accounts only for the active one. Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-05-16net/mlx5e: IPoIB, Drop multicast packets that this interface sentErez Shitrit1-3/+12
After enabled loopback packets for IPoIB, we need to drop these packets that this HCA has replicated and came back to the same interface that sent them. Fixes: 4c6c615e3f30 ("net/mlx5e: IPoIB, Add PKEY child interface nic profile") Signed-off-by: Erez Shitrit <erezsh@mellanox.com> Reviewed-by: Alex Vesker <valex@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-05-16net/mlx5e: IPoIB, Enable loopback packets for IPoIB interfacesErez Shitrit7-9/+24
Enable loopback of unicast and multicast traffic for IPoIB enhanced mode. This will allow interfaces with the same pkey to communicate between them e.g cloned interfaces that located in different namespaces. Signed-off-by: Erez Shitrit <erezsh@mellanox.com> Reviewed-by: Alex Vesker <valex@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-05-16net/mlx5e: CT: Fix offload with CT action after CT NAT actionRoi Dayan1-22/+286
It could be a chain of rules will do action CT again after CT NAT Before this fix matching will break as we get into the CT table after NAT changes and not CT NAT. Fix this by adding pre ct and pre ct nat tables to skip ct/ct_nat tables and go straight to post_ct table if ct/nat was already done. Signed-off-by: Roi Dayan <roid@mellanox.com> Reviewed-by: Paul Blakey <paulb@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-05-16net/mlx5: Move internal timer read function to clock libraryEran Ben Elisha4-24/+21
Move mlx5_read_internal_timer() into lib/clock.c file as it is being used there. As such, make this function a static one. In addition, rearrange headers include to support function move. Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Reviewed-by: Aya Levin <ayal@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-05-16net/mlx5: Wait for inactive autogroupsPaul Blakey1-3/+5
Currently, if one thread tries to add an entry to an autogrouped table with no free matching group, while another thread is in the process of creating a new matching autogroup, it doesn't wait for the new group creation, and creates an unnecessary new autogroup. Instead of skipping inactive, wait on the write lock of those groups. Signed-off-by: Paul Blakey <paulb@mellanox.com> Reviewed-by: Roi Dayan <roid@mellanox.com> Reviewed-by: Mark Bloch <markb@mellanox.com> Reviewed-by: Maor Gottlieb <maorg@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-05-16net/mlx5: Drain wq first during PCI device removalParav Pandit1-3/+2
mlx5_unload_one() is done with cleanup = true only once. So instead of doing health wq drain inside the if(), directly do during PCI device removal. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Moshe Shemesh <moshe@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-05-16net/mlx5: Have single error unwinding pathParav Pandit1-4/+3
Having multiple error unwinding path are error prone. Lets have just one error unwinding path. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Moshe Shemesh <moshe@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-05-16net/mlx5: Fix a bug of releasing wrong chunks on > 4K page size systemsEran Ben Elisha1-22/+22
On systems with page size larger than 4K, a fwp object has few 4K chunks. Fix a bug in fwp free flow where the chunk address was dropped and fwp->addr was used instead (first chunk address). This caused a wrong update of fwp->bitmask which later can cause errors in re-alloc fwp chunk flow. In order to fix this it, re-factor the release flow: - Free 4k: Releases a specific 4k chunk inside the fwp, defined by starting address. - Free fwp: Unconditionally release the whole fwp and its resources. Free addr will call free fwp if all chunks were released, in order to do code sharing. In addition, fix npages to count for all released chunks correctly. Fixes: c6168161f693 ("net/mlx5: Add support for release all pages event") Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-05-16net/mlx5: Dedicate fw page to the requesting functionEran Ben Elisha1-5/+11
The cited patch assumes that all chuncks in a fw page belong to the same function, thus the driver must dedicate fw page to the requesting function, which is actually what was intedned in the original fw pages allocator design, hence the fwp->func_id ! Up until the cited patch everything worked ok, but now "relase all pages" is broken on systems with page_size > 4k. Fix this by dedicating fw page to the requesting function id via adding a func_id parameter to alloc_4k() function. Fixes: c6168161f693 ("net/mlx5: Add support for release all pages event") Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-05-16Merge tag 'renesas-fixes-for-v5.7-tag2' of ↵Arnd Bergmann17-41/+7
git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/fixes Renesas fixes for v5.7 (take two) - Fix a wrong clock configuration on R-Mobile A1, - Minor fixes that are fast-tracked to avoid introducing regressions during conversion of DT bindings to json-schema. * tag 'renesas-fixes-for-v5.7-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel: ARM: dts: iwg20d-q7-dbcm-ca: Remove unneeded properties in hdmi@39 ARM: dts: renesas: Make hdmi encoder nodes compliant with DT bindings arm64: dts: renesas: Make hdmi encoder nodes compliant with DT bindings ARM: dts: r8a7740: Add missing extal2 to CPG node Link: https://lore.kernel.org/r/20200515125043.22811-1-geert+renesas@glider.be Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-16Merge tag 'sunxi-fixes-for-5.7-1' of ↵Arnd Bergmann2-19/+1
git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes Two fixes for the Allwinner SoCs, one to remove some inexistant sound card on the A64, and one to fix the audio codec regulator on the pinetab. * tag 'sunxi-fixes-for-5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: arm64: dts: allwinner: a64: Remove unused SPDIF sound card arm64: dts: allwinner: a64: pinetab: Fix cpvdd supply name Link: https://lore.kernel.org/r/f7a98a47-316d-4b1a-b5a5-0e1e330d5f52.lettre@localhost Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-16Merge tag 'nfs-for-5.7-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds10-38/+42
Pull NFS client bugfixes from Trond Myklebust: "Highlights include: Stable fixes: - nfs: fix NULL deference in nfs4_get_valid_delegation Bugfixes: - Fix corruption of the return value in cachefiles_read_or_alloc_pages() - Fix several fscache cookie issues - Fix a fscache queuing race that can trigger a BUG_ON - NFS: Fix two use-after-free regressions due to the RPC_TASK_CRED_NOREF flag - SUNRPC: Fix a use-after-free regression in rpc_free_client_work() - SUNRPC: Fix a race when tearing down the rpc client debugfs directory - SUNRPC: Signalled ASYNC tasks need to exit - NFSv3: fix rpc receive buffer size for MOUNT call" * tag 'nfs-for-5.7-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFSv3: fix rpc receive buffer size for MOUNT call SUNRPC: 'Directory with parent 'rpc_clnt' already present!' NFS/pnfs: Don't use RPC_TASK_CRED_NOREF with pnfs NFS: Don't use RPC_TASK_CRED_NOREF with delegreturn SUNRPC: Signalled ASYNC tasks need to exit nfs: fix NULL deference in nfs4_get_valid_delegation SUNRPC: fix use-after-free in rpc_free_client_work() cachefiles: Fix race between read_waiter and read_copier involving op->to_do NFSv4: Fix fscache cookie aux_data to ensure change_attr is included NFS: Fix fscache super_cookie allocation NFS: Fix fscache super_cookie index_key from changing after umount cachefiles: Fix corruption of the return value in cachefiles_read_or_alloc_pages()
2020-05-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller342-1523/+3458
Move the bpf verifier trace check into the new switch statement in HEAD. Resolve the overlapping changes in hinic, where bug fixes overlap the addition of VF support. Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds78-204/+459
Pull networking fixes from David Miller: 1) Fix sk_psock reference count leak on receive, from Xiyu Yang. 2) CONFIG_HNS should be invisible, from Geert Uytterhoeven. 3) Don't allow locking route MTUs in ipv6, RFCs actually forbid this, from Maciej Żenczykowski. 4) ipv4 route redirect backoff wasn't actually enforced, from Paolo Abeni. 5) Fix netprio cgroup v2 leak, from Zefan Li. 6) Fix infinite loop on rmmod in conntrack, from Florian Westphal. 7) Fix tcp SO_RCVLOWAT hangs, from Eric Dumazet. 8) Various bpf probe handling fixes, from Daniel Borkmann. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (68 commits) selftests: mptcp: pm: rm the right tmp file dpaa2-eth: properly handle buffer size restrictions bpf: Restrict bpf_trace_printk()'s %s usage and add %pks, %pus specifier bpf: Add bpf_probe_read_{user, kernel}_str() to do_refine_retval_range bpf: Restrict bpf_probe_read{, str}() only to archs where they work MAINTAINERS: Mark networking drivers as Maintained. ipmr: Add lockdep expression to ipmr_for_each_table macro ipmr: Fix RCU list debugging warning drivers: net: hamradio: Fix suspicious RCU usage warning in bpqether.c net: phy: broadcom: fix BCM54XX_SHD_SCR3_TRDDAPD value for BCM54810 tcp: fix error recovery in tcp_zerocopy_receive() MAINTAINERS: Add Jakub to networking drivers. MAINTAINERS: another add of Karsten Graul for S390 networking drivers: ipa: fix typos for ipa_smp2p structure doc pppoe: only process PADT targeted at local interfaces selftests/bpf: Enforce returning 0 for fentry/fexit programs bpf: Enforce returning 0 for fentry/fexit progs net: stmmac: fix num_por initialization security: Fix the default value of secid_to_secctx hook libbpf: Fix register naming in PT_REGS s390 macros ...
2020-05-15Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds13-39/+68
Pull rdma fixes from Jason Gunthorpe: "A few minor bug fixes for user visible defects, and one regression: - Various bugs from static checkers and syzkaller - Add missing error checking in mlx4 - Prevent RTNL lock recursion in i40iw - Fix segfault in cxgb4 in peer abort cases - Fix a regression added in 5.7 where the IB_EVENT_DEVICE_FATAL could be lost, and wasn't delivered to all the FDs" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: RDMA/uverbs: Move IB_EVENT_DEVICE_FATAL to destroy_uobj RDMA/uverbs: Do not discard the IB_EVENT_DEVICE_FATAL event RDMA/iw_cxgb4: Fix incorrect function parameters RDMA/core: Fix double put of resource IB/core: Fix potential NULL pointer dereference in pkey cache IB/hfi1: Fix another case where pq is left on waitlist IB/i40iw: Remove bogus call to netdev_master_upper_dev_get() IB/mlx4: Test return value of calls to ib_get_cached_pkey RDMA/rxe: Always return ERR_PTR from rxe_create_mmap_info() i40iw: Fix error handling in i40iw_manage_arp_cache()
2020-05-15Merge tag 'linux-kselftest-5.7-rc6' of ↵Linus Torvalds4-12/+22
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: - lkdtm runner fixes to prevent dmesg clearing and shellcheck errors - ftrace test handling when test module doesn't exist - nsfs test fix to replace zero-length array with flexible-array - dmabuf-heaps test fix to return clear error value * tag 'linux-kselftest-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/lkdtm: Use grep -E instead of egrep selftests/lkdtm: Don't clear dmesg when running tests selftests/ftrace: mark irqsoff_tracer.tc test as unresolved if the test module does not exist tools/testing: Replace zero-length array with flexible-array kselftests: dmabuf-heaps: Fix confused return value on expected error testing
2020-05-15Merge tag 'riscv-for-linus-5.7-rc6' of ↵Linus Torvalds9-21/+25
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Palmer Dabbelt: "A handful of build fixes, all found by Huawei's autobuilder. None of these patches should have any functional impact on kernels that build, and they're mostly related to various features intermingling with !MMU. While some of these might be better hoisted to generic code, it seems better to have the simple fixes in the meanwhile. As far as I know these are the only outstanding patches for 5.7" * tag 'riscv-for-linus-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: mmiowb: Fix implicit declaration of function 'smp_processor_id' riscv: pgtable: Fix __kernel_map_pages build error if NOMMU riscv: Make SYS_SUPPORTS_HUGETLBFS depends on MMU riscv: Disable ARCH_HAS_DEBUG_VIRTUAL if NOMMU riscv: Add pgprot_writecombine/device and PAGE_SHARED defination if NOMMU riscv: stacktrace: Fix undefined reference to `walk_stackframe' riscv: Fix unmet direct dependencies built based on SOC_VIRT riscv: perf: RISCV_BASE_PMU should be independent riscv: perf_event: Make some funciton static
2020-05-15Merge branch 'mptcp-fix-MP_JOIN-failure-handling'David S. Miller7-26/+35
Paolo Abeni says: ==================== mptcp: fix MP_JOIN failure handling Currently if we hit an MP_JOIN failure on the third ack, the child socket is closed with reset, but the request socket is not deleted, causing weird behaviors. The main problem is that MPTCP's MP_JOIN code needs to plug it's own 'valid 3rd ack' checks and the current TCP callbacks do not allow that. This series tries to address the above shortcoming introducing a new MPTCP specific bit in a 'struct tcp_request_sock' hole, and leveraging that to allow tcp_check_req releasing the request socket when needed. The above allows cleaning-up a bit current MPTCP hooking in tcp_check_req(). An alternative solution, possibly cleaner but more invasive, would be changing the 'bool *own_req' syn_recv_sock() argument into 'int *req_status' and let MPTCP set it to 'REQ_DROP'. v1 -> v2: - be more conservative about drop_req initialization RFC -> v1: - move the drop_req bit inside tcp_request_sock (Eric) ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15mptcp: cope better with MP_JOIN failurePaolo Abeni1-6/+9
Currently, on MP_JOIN failure we reset the child socket, but leave the request socket untouched. tcp_check_req will deal with it according to the 'tcp_abort_on_overflow' sysctl value - by default the req socket will stay alive. The above leads to inconsistent behavior on MP JOIN failure, and bad listener overflow accounting. This patch addresses the issue leveraging the infrastructure just introduced to ask the TCP stack to drop the req on failure. The child socket is not freed anymore by subflow_syn_recv_sock(), instead it's moved to a dead state and will be disposed by the next sock_put done by the TCP stack, so that listener overflow accounting is not affected by MP JOIN failure. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Christoph Paasch <cpaasch@apple.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15inet_connection_sock: factor out destroy helper.Paolo Abeni2-5/+9
Move the steps to prepare an inet_connection_sock for forced disposal inside a separate helper. No functional changes inteded, this will just simplify the next patch. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Christoph Paasch <cpaasch@apple.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15mptcp: add new sock flag to deal with join subflowsPaolo Abeni5-15/+17
MP_JOIN subflows must not land into the accept queue. Currently tcp_check_req() calls an mptcp specific helper to detect such scenario. Such helper leverages the subflow context to check for MP_JOIN subflows. We need to deal also with MP JOIN failures, even when the subflow context is not available due allocation failure. A possible solution would be changing the syn_recv_sock() signature to allow returning a more descriptive action/ error code and deal with that in tcp_check_req(). Since the above need is MPTCP specific, this patch instead uses a TCP request socket hole to add a MPTCP specific flag. Such flag is used by the MPTCP syn_recv_sock() to tell tcp_check_req() how to deal with the request socket. This change is a no-op for !MPTCP build, and makes the MPTCP code simpler. It allows also the next patch to deal correctly with MP JOIN failure. v1 -> v2: - be more conservative on drop_req initialization (Mat) RFC -> v1: - move the drop_req bit inside tcp_request_sock (Eric) Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Reviewed-by: Christoph Paasch <cpaasch@apple.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15Merge tag 'arm64-fixes' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fix from Catalin Marinas: "Fix flush_icache_range() second argument in machine_kexec() to be an address rather than size" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: fix the flush_icache_range arguments in machine_kexec
2020-05-15net: phy: tja11xx: execute cable test on link upOleksij Rempel1-5/+43
A typical 100Base-T1 link should be always connected. If the link is in a shot or open state, it is a failure. In most cases, we won't be able to automatically handle this issue, but we need to log it or notify user (if possible). With this patch, the cable will be tested on "ip l s dev .. up" attempt and send ethnl notification to the user space. This patch was tested with TJA1102 PHY and "ethtool --monitor" command. Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller14-43/+137
Alexei Starovoitov says: ==================== pull-request: bpf 2020-05-15 The following pull-request contains BPF updates for your *net* tree. We've added 9 non-merge commits during the last 2 day(s) which contain a total of 14 files changed, 137 insertions(+), 43 deletions(-). The main changes are: 1) Fix secid_to_secctx LSM hook default value, from Anders. 2) Fix bug in mmap of bpf array, from Andrii. 3) Restrict bpf_probe_read to archs where they work, from Daniel. 4) Enforce returning 0 for fentry/fexit progs, from Yonghong. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15net: phy: broadcom: add support for BCM54811 PHYKevin Lo2-5/+53
The BCM54811 PHY shares many similarities with the already supported BCM54810 PHY but additionally requires some semi-unique configuration. Signed-off-by: Kevin Lo <kevlo@kevlo.org> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15Merge branch 'cxgb4-improve-and-tune-TC-MQPRIO-offload'David S. Miller9-61/+190
Rahul Lakkireddy says: ==================== cxgb4: improve and tune TC-MQPRIO offload Patch 1 improves the Tx path's credit request and recovery mechanism when running under heavy load. Patch 2 adds ability to tune the burst buffer sizes of all traffic classes to improve performance for <= 1500 MTU, under heavy load. Patch 3 adds support to track EOTIDs and dump software queue contexts used by TC-MQPRIO offload. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15cxgb4: add EOTID tracking and software context dumpRahul Lakkireddy5-28/+133
Rework and add support for dumping EOTID software context used by TC-MQPRIO. Also track number of EOTIDs in use. Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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