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2021-04-15libbpf: Remove unused field.Alexei Starovoitov1-14/+1
relo->processed is set, but not used. Remove it. Signed-off-by: Alexei Starovoitov <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-14tools/testing: Remove unused variablezuoqilin1-1/+1
Remove unused variable "ret2". Signed-off-by: zuoqilin <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-14selftests/bpf: Fix the ASSERT_ERR_PTR macroFlorent Revest1-1/+1
It is just missing a ';'. This macro is not used by any test yet. Fixes: 22ba36351631 ("selftests/bpf: Move and extend ASSERT_xxx() testing macros") Signed-off-by: Florent Revest <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Martin KaFai Lau <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-14Merge tag 'v5.12-rc7' into driver-core-nextGreg Kroah-Hartman8-27/+120
We need the driver core fix in here as well. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2021-04-13selftests/bpf: Add tests for target information in bpf_link info queriesToke Høiland-Jørgensen1-14/+44
Extend the fexit_bpf2bpf test to check that the info for the bpf_link returned by the kernel matches the expected values. While we're updating the test, change existing uses of CHEC() to use the much easier to read ASSERT_*() macros. v2: - Convert last CHECK() call and get rid of 'duration' var - Split ASSERT_OK_PTR() checks to two separate if statements Signed-off-by: Toke Høiland-Jørgensen <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-13bpf: Return target info when a tracing bpf_link is queriedToke Høiland-Jørgensen1-0/+2
There is currently no way to discover the target of a tracing program attachment after the fact. Add this information to bpf_link_info and return it when querying the bpf_link fd. Signed-off-by: Toke Høiland-Jørgensen <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-12libbpf: Clarify flags in ringbuf helpersPedro Tammela1-0/+16
In 'bpf_ringbuf_reserve()' we require the flag to '0' at the moment. For 'bpf_ringbuf_{discard,submit,output}' a flag of '0' might send a notification to the process if needed. Signed-off-by: Pedro Tammela <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-12bpf: Sync bpf headers in tooling infrastuctureDaniel Borkmann1-5/+32
Synchronize tools/include/uapi/linux/bpf.h which was missing changes from various commits: - f3c45326ee71 ("bpf: Document PROG_TEST_RUN limitations") - e5e35e754c28 ("bpf: BPF-helper for MTU checking add length input") Signed-off-by: Daniel Borkmann <[email protected]>
2021-04-12Merge 5.12-rc7 into usb-nextGreg Kroah-Hartman8-27/+120
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2021-04-11self-tests: add veth testsPaolo Abeni2-0/+178
Add some basic veth tests, that verify the expected flags and aggregation with different setups (default, xdp, etc...) Signed-off-by: Paolo Abeni <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-04-11Merge branch 'for-mingo-lkmm' of ↵Ingo Molnar3-2/+480
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into locking/core Pull LKMM changes from Paul E. McKenney: misc documentation updates. Signed-off-by: Ingo Molnar <[email protected]>
2021-04-11Merge branch 'for-mingo-rcu' of ↵Ingo Molnar22-216/+694
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu Pull RCU changes from Paul E. McKenney: - Bitmap support for "N" as alias for last bit - kvfree_rcu updates - mm_dump_obj() updates. (One of these is to mm, but was suggested by Andrew Morton.) - RCU callback offloading update - Polling RCU grace-period interfaces - Realtime-related RCU updates - Tasks-RCU updates - Torture-test updates - Torture-test scripting updates - Miscellaneous fixes Signed-off-by: Ingo Molnar <[email protected]>
2021-04-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski23-77/+257
Conflicts: MAINTAINERS - keep Chandrasekar drivers/net/ethernet/mellanox/mlx5/core/en_main.c - simple fix + trust the code re-added to param.c in -next is fine include/linux/bpf.h - trivial include/linux/ethtool.h - trivial, fix kdoc while at it include/linux/skmsg.h - move to relevant place in tcp.c, comment re-wrapped net/core/skmsg.c - add the sk = sk // sk = NULL around calls net/tipc/crypto.c - trivial Signed-off-by: Jakub Kicinski <[email protected]>
2021-04-09Merge tag 'perf-tools-fixes-for-v5.12-2020-04-09' of ↵Linus Torvalds3-5/+7
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tool fixes from Arnaldo Carvalho de Melo: - Fix wrong LBR block sorting in 'perf report' - Fix 'perf inject' repipe usage when consuming perf.data files - Avoid potential buffer overrun when decoding ARM SPE hardware tracing packets, bug found using a fuzzer * tag 'perf-tools-fixes-for-v5.12-2020-04-09' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: perf arm-spe: Avoid potential buffer overrun perf report: Fix wrong LBR block sorting perf inject: Fix repipe usage
2021-04-09Merge tag 'net-5.12-rc7' of ↵Linus Torvalds5-22/+113
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Networking fixes for 5.12-rc7, including fixes from can, ipsec, mac80211, wireless, and bpf trees. No scary regressions here or in the works, but small fixes for 5.12 changes keep coming. Current release - regressions: - virtio: do not pull payload in skb->head - virtio: ensure mac header is set in virtio_net_hdr_to_skb() - Revert "net: correct sk_acceptq_is_full()" - mptcp: revert "mptcp: provide subflow aware release function" - ethernet: lan743x: fix ethernet frame cutoff issue - dsa: fix type was not set for devlink port - ethtool: remove link_mode param and derive link params from driver - sched: htb: fix null pointer dereference on a null new_q - wireless: iwlwifi: Fix softirq/hardirq disabling in iwl_pcie_enqueue_hcmd() - wireless: iwlwifi: fw: fix notification wait locking - wireless: brcmfmac: p2p: Fix deadlock introduced by avoiding the rtnl dependency Current release - new code bugs: - napi: fix hangup on napi_disable for threaded napi - bpf: take module reference for trampoline in module - wireless: mt76: mt7921: fix airtime reporting and related tx hangs - wireless: iwlwifi: mvm: rfi: don't lock mvm->mutex when sending config command Previous releases - regressions: - rfkill: revert back to old userspace API by default - nfc: fix infinite loop, refcount & memory leaks in LLCP sockets - let skb_orphan_partial wake-up waiters - xfrm/compat: Cleanup WARN()s that can be user-triggered - vxlan, geneve: do not modify the shared tunnel info when PMTU triggers an ICMP reply - can: fix msg_namelen values depending on CAN_REQUIRED_SIZE - can: uapi: mark union inside struct can_frame packed - sched: cls: fix action overwrite reference counting - sched: cls: fix err handler in tcf_action_init() - ethernet: mlxsw: fix ECN marking in tunnel decapsulation - ethernet: nfp: Fix a use after free in nfp_bpf_ctrl_msg_rx - ethernet: i40e: fix receiving of single packets in xsk zero-copy mode - ethernet: cxgb4: avoid collecting SGE_QBASE regs during traffic Previous releases - always broken: - bpf: Refuse non-O_RDWR flags in BPF_OBJ_GET - bpf: Refcount task stack in bpf_get_task_stack - bpf, x86: Validate computation of branch displacements - ieee802154: fix many similar syzbot-found bugs - fix NULL dereferences in netlink attribute handling - reject unsupported operations on monitor interfaces - fix error handling in llsec_key_alloc() - xfrm: make ipv4 pmtu check honor ip header df - xfrm: make hash generation lock per network namespace - xfrm: esp: delete NETIF_F_SCTP_CRC bit from features for esp offload - ethtool: fix incorrect datatype in set_eee ops - xdp: fix xdp_return_frame() kernel BUG throw for page_pool memory model - openvswitch: fix send of uninitialized stack memory in ct limit reply Misc: - udp: add get handling for UDP_GRO sockopt" * tag 'net-5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (182 commits) net: fix hangup on napi_disable for threaded napi net: hns3: Trivial spell fix in hns3 driver lan743x: fix ethernet frame cutoff issue net: ipv6: check for validity before dereferencing cfg->fc_nlinfo.nlh net: dsa: lantiq_gswip: Configure all remaining GSWIP_MII_CFG bits net: dsa: lantiq_gswip: Don't use PHY auto polling net: sched: sch_teql: fix null-pointer dereference ipv6: report errors for iftoken via netlink extack net: sched: fix err handler in tcf_action_init() net: sched: fix action overwrite reference counting Revert "net: sched: bump refcount for new action in ACT replace mode" ice: fix memory leak of aRFS after resuming from suspend i40e: Fix sparse warning: missing error code 'err' i40e: Fix sparse error: 'vsi->netdev' could be null i40e: Fix sparse error: uninitialized symbol 'ring' i40e: Fix sparse errors in i40e_txrx.c i40e: Fix parameters in aq_get_phy_register() nl80211: fix beacon head validation bpf, x86: Validate computation of branch displacements for x86-32 bpf, x86: Validate computation of branch displacements for x86-64 ...
2021-04-08selftests/bpf: ringbuf_multi: Test bpf_map__set_inner_map_fdYauheni Kaliuta2-0/+25
Test map__set_inner_map_fd() interaction with map-in-map initialization. Use hashmap of maps just to make it different to existing array of maps. Signed-off-by: Yauheni Kaliuta <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-08selftests/bpf: ringbuf_multi: Use runtime page sizeYauheni Kaliuta2-4/+20
Set bpf table sizes dynamically according to the runtime page size value. Do not switch to ASSERT macros, keep CHECK, for consistency with the rest of the test. Can be a separate cleanup patch. Signed-off-by: Yauheni Kaliuta <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-08libbpf: Add bpf_map__inner_map APIAndrii Nakryiko3-0/+12
The API gives access to inner map for map in map types (array or hash of map). It will be used to dynamically set max_entries in it. Signed-off-by: Yauheni Kaliuta <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-08selftests/bpf: ringbuf: Use runtime page sizeYauheni Kaliuta2-5/+13
Replace hardcoded 4096 with runtime value in the userspace part of the test and set bpf table sizes dynamically according to the value. Do not switch to ASSERT macros, keep CHECK, for consistency with the rest of the test. Can be a separate cleanup patch. Signed-off-by: Yauheni Kaliuta <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-08selftests/bpf: mmap: Use runtime page sizeYauheni Kaliuta2-7/+19
Replace hardcoded 4096 with runtime value in the userspace part of the test and set bpf table sizes dynamically according to the value. Do not switch to ASSERT macros, keep CHECK, for consistency with the rest of the test. Can be a separate cleanup patch. Signed-off-by: Yauheni Kaliuta <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-08selftests/bpf: Pass page size from userspace in map_ptrYauheni Kaliuta2-4/+15
Use ASSERT to check result but keep CHECK where format was used to report error. Use bpf_map__set_max_entries() to set map size dynamically from userspace according to page size. Zero-initialize the variable in bpf prog, otherwise it will cause problems on some versions of Clang. Signed-off-by: Yauheni Kaliuta <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-08selftests/bpf: Pass page size from userspace in sockopt_skYauheni Kaliuta2-6/+6
Since there is no convenient way for bpf program to get PAGE_SIZE from inside of the kernel, pass the value from userspace. Zero-initialize the variable in bpf prog, otherwise it will cause problems on some versions of Clang. Signed-off-by: Yauheni Kaliuta <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-08selftests/bpf: test_progs/sockopt_sk: Convert to use BPF skeletonYauheni Kaliuta1-48/+17
Switch the test to use BPF skeleton to save some boilerplate and make it easy to access bpf program bss segment. The latter will be used to pass PAGE_SIZE from userspace since there is no convenient way for bpf program to get it from inside of the kernel. Signed-off-by: Yauheni Kaliuta <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-08selftests/bpf: test_progs/sockopt_sk: Remove versionYauheni Kaliuta1-1/+0
As pointed by Andrii Nakryiko, _version is useless now, remove it. Signed-off-by: Yauheni Kaliuta <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-08libbpf: Fix potential NULL pointer dereferenceCiara Loftus1-2/+3
Wait until after the UMEM is checked for null to dereference it. Fixes: 43f1bc1efff1 ("libbpf: Restore umem state after socket create failure") Signed-off-by: Ciara Loftus <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-08tc-testing: add simple action test to verify batch change cleanupVlad Buslov1-0/+29
Verify cleanup of failed actions batch change where second action in batch fails after successful init of first action. Signed-off-by: Vlad Buslov <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-04-08tc-testing: add simple action test to verify batch add cleanupVlad Buslov1-0/+30
Verify cleanup of failed actions batch add where second action in batch fails after successful init of first action. Signed-off-by: Vlad Buslov <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-04-08tools: Fix a typo in kernel-chktaintMasanari Iida1-1/+1
This patch fixes a spelling typo in kernel-chktaint Signed-off-by: Masanari Iida <[email protected]> Acked-by: Randy Dunlap <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Corbet <[email protected]>
2021-04-08lkdtm: Add REPORT_STACK for checking stack offsetsKees Cook3-0/+38
For validating the stack offset behavior, report the offset from a given process's first seen stack address. Add s script to calculate the results to the LKDTM kselftests. Signed-off-by: Kees Cook <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-04-07selftests/resctrl: Change a few printed messagesFenghua Yu4-7/+7
Change a few printed messages to report test progress more clearly. Add a missing "\n" at the end of one printed message. Suggested-by: Shuah Khan <[email protected]> Signed-off-by: Fenghua Yu <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2021-04-07selftests: mptcp: add the net device name testcaseGeliang Tang1-0/+8
This patch added a new testcase for setting the net device name. In it, pass the net device name to pm_nl_ctl to set the ifindex field of struct mptcp_pm_addr_entry. Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-04-07perf arm-spe: Avoid potential buffer overrunIan Rogers1-1/+3
SPE extended headers are > 1 byte so ensure the buffer contains at least this before reading. This issue was detected by fuzzing. Signed-off-by: Ian Rogers <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Andre Przywara <[email protected]> Cc: Dave Martin <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Leo Yan <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Will Deacon <[email protected]> Link: http://lore.kernel.org/lkml/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2021-04-07perf report: Fix wrong LBR block sortingJin Yao1-3/+3
When '--total-cycles' is specified, it supports sorting for all blocks by 'Sampled Cycles%'. This is useful to concentrate on the globally hottest blocks. 'Sampled Cycles%' - block sampled cycles aggregation / total sampled cycles But in current code, it doesn't use the cycles aggregation. Part of 'cycles' counting is possibly dropped for some overlap jumps. But for identifying the hot block, we always need the full cycles. # perf record -b ./triad_loop # perf report --total-cycles --stdio Before: # # Sampled Cycles% Sampled Cycles Avg Cycles% Avg Cycles [Program Block Range] Shared Object # ............... .............. ........... .......... ............................................................. ................. # 0.81% 793 4.32% 793 [setup-vdso.h:34 -> setup-vdso.h:40] ld-2.27.so 0.49% 480 0.87% 160 [native_write_msr+0 -> native_write_msr+16] [kernel.kallsyms] 0.48% 476 0.52% 95 [native_read_msr+0 -> native_read_msr+29] [kernel.kallsyms] 0.31% 303 1.65% 303 [nmi_restore+0 -> nmi_restore+37] [kernel.kallsyms] 0.26% 255 1.39% 255 [nohz_balance_exit_idle+75 -> nohz_balance_exit_idle+162] [kernel.kallsyms] 0.24% 234 1.28% 234 [end_repeat_nmi+67 -> end_repeat_nmi+83] [kernel.kallsyms] 0.23% 227 1.24% 227 [__irqentry_text_end+96 -> __irqentry_text_end+126] [kernel.kallsyms] 0.20% 194 1.06% 194 [native_set_debugreg+52 -> native_set_debugreg+56] [kernel.kallsyms] 0.11% 106 0.14% 26 [native_sched_clock+0 -> native_sched_clock+98] [kernel.kallsyms] 0.10% 97 0.53% 97 [trigger_load_balance+0 -> trigger_load_balance+67] [kernel.kallsyms] 0.09% 85 0.46% 85 [get-dynamic-info.h:102 -> get-dynamic-info.h:111] ld-2.27.so ... 0.00% 92.7K 0.02% 4 [triad_loop.c:64 -> triad_loop.c:65] triad_loop The hottest block '[triad_loop.c:64 -> triad_loop.c:65]' is not at the top of output. After: # Sampled Cycles% Sampled Cycles Avg Cycles% Avg Cycles [Program Block Range] Shared Object # ............... .............. ........... .......... .............................................................. ................. # 94.35% 92.7K 0.02% 4 [triad_loop.c:64 -> triad_loop.c:65] triad_loop 0.81% 793 4.32% 793 [setup-vdso.h:34 -> setup-vdso.h:40] ld-2.27.so 0.49% 480 0.87% 160 [native_write_msr+0 -> native_write_msr+16] [kernel.kallsyms] 0.48% 476 0.52% 95 [native_read_msr+0 -> native_read_msr+29] [kernel.kallsyms] 0.31% 303 1.65% 303 [nmi_restore+0 -> nmi_restore+37] [kernel.kallsyms] 0.26% 255 1.39% 255 [nohz_balance_exit_idle+75 -> nohz_balance_exit_idle+162] [kernel.kallsyms] 0.24% 234 1.28% 234 [end_repeat_nmi+67 -> end_repeat_nmi+83] [kernel.kallsyms] 0.23% 227 1.24% 227 [__irqentry_text_end+96 -> __irqentry_text_end+126] [kernel.kallsyms] 0.20% 194 1.06% 194 [native_set_debugreg+52 -> native_set_debugreg+56] [kernel.kallsyms] 0.11% 106 0.14% 26 [native_sched_clock+0 -> native_sched_clock+98] [kernel.kallsyms] 0.10% 97 0.53% 97 [trigger_load_balance+0 -> trigger_load_balance+67] [kernel.kallsyms] 0.09% 85 0.46% 85 [get-dynamic-info.h:102 -> get-dynamic-info.h:111] ld-2.27.so 0.08% 82 0.06% 11 [intel_pmu_drain_pebs_nhm+580 -> intel_pmu_drain_pebs_nhm+627] [kernel.kallsyms] 0.08% 77 0.42% 77 [lru_add_drain_cpu+0 -> lru_add_drain_cpu+133] [kernel.kallsyms] 0.08% 74 0.10% 18 [handle_pmi_common+271 -> handle_pmi_common+310] [kernel.kallsyms] 0.08% 74 0.40% 74 [get-dynamic-info.h:131 -> get-dynamic-info.h:157] ld-2.27.so 0.07% 69 0.09% 17 [intel_pmu_drain_pebs_nhm+432 -> intel_pmu_drain_pebs_nhm+468] [kernel.kallsyms] Now the hottest block is reported at the top of output. Fixes: b65a7d372b1a55db ("perf hist: Support block formats with compare/sort/display") Signed-off-by: Jin Yao <[email protected]> Reviewed-by: Andi Kleen <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Jin Yao <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Kan Liang <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lore.kernel.org/lkml/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2021-04-07tools/power/x86/intel-speed-select: v1.9 releaseSrinivas Pandruvada1-1/+1
This release adds following changes: - Support increased number of CPUs - Return error when mailbox commmand fails to enable core-power - Option to online all CPUs - Removes build date and time print Signed-off-by: Srinivas Pandruvada <[email protected]> Signed-off-by: Hans de Goede <[email protected]>
2021-04-07tools/power/x86/intel-speed-select: Drop __DATE__ and __TIME__ macrosAntonio Terceiro1-1/+0
These macros introduce nondeterminism in builds, and break reproducible builds. Signed-off-by: Antonio Terceiro <[email protected]> Cc: Srinivas Pandruvada <[email protected]> Signed-off-by: Srinivas Pandruvada <[email protected]> Signed-off-by: Hans de Goede <[email protected]>
2021-04-07tools/power/x86/intel-speed-select: Add options to force onlineSrinivas Pandruvada1-2/+21
It is possible that users manually offlined CPUs via sysfs interface and then started this utility. In this case we will not be able to get package and die id of the those CPUs. So add an option to force online if required for some commands. Signed-off-by: Srinivas Pandruvada <[email protected]> Signed-off-by: Hans de Goede <[email protected]>
2021-04-07tools/power/x86/intel-speed-select: Process mailbox read error for core-powerSrinivas Pandruvada1-0/+4
Some older kernels don't support reading core-power status. In that case mailbox command fails. So, display core-power status as "unknown" instead of supported. Signed-off-by: Srinivas Pandruvada <[email protected]> Signed-off-by: Hans de Goede <[email protected]>
2021-04-07tools/power/x86/intel-speed-select: Increase string sizeSrinivas Pandruvada1-2/+10
The current string size to print cpulist can accommodate upto 80 logical CPUs per package. But this limit is not enough. So increase the string size. Also prevent buffer overflow, if the string size reaches limit. Signed-off-by: Srinivas Pandruvada <[email protected]> Signed-off-by: Hans de Goede <[email protected]>
2021-04-07ACPICA: Tree-wide: fix various typos and spelling mistakesColin Ian King1-1/+1
This commit squashes the following: ACPICA commit bc8939e2d902653e71bb1601b129a993c37fcfad ACPICA commit 2d9e5e98e23f2a569e5691e6bed183146e25798d ACPICA commit 937358156631ea7a0eef3569c213c82a031097d5 Fix more spelling issues found using the codespell checker and found without tools. Link: https://github.com/acpica/acpica/commit/bc8939e2 Link: https://github.com/acpica/acpica/commit/2d9e5e98 Link: https://github.com/acpica/acpica/commit/93735815 Signed-off-by: Colin Ian King <[email protected]> Signed-off-by: Christophe JAILLET <[email protected]> Signed-off-by: Bhaskar Chowdhury <[email protected]> Signed-off-by: Bob Moore <[email protected]> Signed-off-by: Erik Kaneda <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2021-04-06doc: update rcu_dereference.rst referenceMauro Carvalho Chehab1-1/+1
Changeset b00aedf978aa ("doc: Convert to rcu_dereference.txt to rcu_dereference.rst") renamed: Documentation/RCU/rcu_dereference.txt to: Documentation/RCU/rcu_dereference.rst. Update its cross-reference accordingly. Fixes: b00aedf978aa ("doc: Convert to rcu_dereference.txt to rcu_dereference.rst") Signed-off-by: Mauro Carvalho Chehab <[email protected]>
2021-04-06x86/sgx: Expose SGX architectural definitions to the kernelSean Christopherson1-1/+1
Expose SGX architectural structures, as KVM will use many of the architectural constants and structs to virtualize SGX. Name the new header file as asm/sgx.h, rather than asm/sgx_arch.h, to have single header to provide SGX facilities to share with other kernel componments. Also update MAINTAINERS to include asm/sgx.h. Signed-off-by: Sean Christopherson <[email protected]> Co-developed-by: Kai Huang <[email protected]> Signed-off-by: Kai Huang <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Acked-by: Jarkko Sakkinen <[email protected]> Acked-by: Dave Hansen <[email protected]> Link: https://lkml.kernel.org/r/6bf47acd91ab4d709e66ad1692c7803e4c9063a0.1616136308.git.kai.huang@intel.com
2021-04-05libbpf: Fix KERNEL_VERSION macroHengqi Chen1-1/+1
Add missing ')' for KERNEL_VERSION macro. Signed-off-by: Hengqi Chen <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-05perf inject: Fix repipe usageAdrian Hunter1-1/+1
Since commit 14d3d54052539a1e ("perf session: Try to read pipe data from file") 'perf inject' has started printing "PERFILE2h" when not processing pipes. The commit exposed perf to the possiblity that the input is not a pipe but the 'repipe' parameter gets used. That causes the printing because perf inject sets 'repipe' to true always. The 'repipe' parameter of perf_session__new() is used by 2 functions: - perf_file_header__read_pipe() - trace_report() In both cases, the functions copy data to STDOUT_FILENO when 'repipe' is true. Fix by setting 'repipe' to true only if the output is a pipe. Fixes: e558a5bd8b74aff4 ("perf inject: Work with files") Signed-off-by: Adrian Hunter <[email protected]> Acked-by: Jiri Olsa <[email protected]> Cc: Andrew Vagin <[email protected]> Link: http://lore.kernel.org/lkml/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2021-04-05Merge 5.12-rc6 into staging-nextGreg Kroah-Hartman39-108/+486
We need the staging fixes in here as well. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2021-04-05Merge 5.12-rc6 into usb-nextGreg Kroah-Hartman39-108/+486
We want the USB fixes in here as well and it resolves a merge issue with xhci-mtk.c Signed-off-by: Greg Kroah-Hartman <[email protected]>
2021-04-05Merge 5.12-rc6 into driver-core-nextGreg Kroah-Hartman39-108/+486
We need the driver core fixes in here as well. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2021-04-03bpf: selftests: Specify CONFIG_DYNAMIC_FTRACE in the testing configMartin KaFai Lau1-0/+2
The tracing test and the recent kfunc call test require CONFIG_DYNAMIC_FTRACE. This patch adds it to the config file. Signed-off-by: Martin KaFai Lau <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-03libbpf: Remove redundant semi-colonYang Yingliang1-1/+1
Remove redundant semi-colon in finalize_btf_ext(). Signed-off-by: Yang Yingliang <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-04-03bpf, selftests: test_maps generating unrecognized data sectionJohn Fastabend1-12/+0
With a relatively recent clang master branch test_map skips a section, libbpf: elf: skipping unrecognized data section(5) .rodata.str1.1 the cause is some pointless strings from bpf_printks in the BPF program loaded during testing. After just removing the prints to fix above error Daniel points out the program is a bit pointless and could be simply the empty program returning SK_PASS. Here we do just that and return simply SK_PASS. This program is used with test_maps selftests to test insert/remove of a program into the sockmap and sockhash maps. Its not testing actual functionality of the TCP sockmap programs, these are tested from test_sockmap. So we shouldn't lose in test coverage and fix above warnings. This original test was added before test_sockmap existed and has been copied around ever since, clean it up now. Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Song Liu <[email protected]> Link: https://lore.kernel.org/bpf/161731595664.74613.1603087410166945302.stgit@john-XPS-13-9370
2021-04-02selftests: mptcp: dump more info on mpjoin errorsMatthieu Baerts1-2/+15
Very occasionally, MPTCP selftests fail. Yeah, I saw that at least once! Here we provide more details in case of errors with mptcp_join.sh script like it was done with mptcp_connect.sh, see commit 767389c8dd55 ("selftests: mptcp: dump more info on errors") Suggested-by: Paolo Abeni <[email protected]> Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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