summaryrefslogtreecommitdiff
path: root/tools
AgeCommit message (Collapse)AuthorFilesLines
2021-06-03selftest: netdevsim: Add devlink port shared/max tx rate testDmytro Linkin1-0/+55
Test verifies that netdevsim VFs can set and retrieve shared/max tx rate through new devlink API. Co-developed-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03selftest: netdevsim: Add devlink rate testDmytro Linkin1-1/+24
Test verifies that all netdevsim VF ports have rate leaf object created by default. Co-developed-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-02net/sched: act_vlan: Test priority 0 modificationBoris Sukholitko1-0/+24
Because explicitly being set, the priority 0 should appear in the output. Signed-off-by: Boris Sukholitko <boris.sukholitko@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-02net/sched: act_vlan: No dump for unset priorityBoris Sukholitko1-2/+2
Dump vlan priority only if it has been previously set. Fix the tests accordingly. Signed-off-by: Boris Sukholitko <boris.sukholitko@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-28selftests: devlink_lib: add check for devlink device existenceJiri Pirko1-0/+6
If user passes devlink handle over DEVLINK_DEV variable, check if the device exists. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Link: https://lore.kernel.org/r/20210527105515.790330-1-jiri@resnulli.us Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-05-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski75-420/+1406
cdc-wdm: s/kill_urbs/poison_urbs/ to fix build Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-05-27Merge tag 'net-5.13-rc4' of ↵Linus Torvalds19-284/+911
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Networking fixes for 5.13-rc4, including fixes from bpf, netfilter, can and wireless trees. Notably including fixes for the recently announced "FragAttacks" WiFi vulnerabilities. Rather large batch, touching some core parts of the stack, too, but nothing hair-raising. Current release - regressions: - tipc: make node link identity publish thread safe - dsa: felix: re-enable TAS guard band mode - stmmac: correct clocks enabled in stmmac_vlan_rx_kill_vid() - stmmac: fix system hang if change mac address after interface ifdown Current release - new code bugs: - mptcp: avoid OOB access in setsockopt() - bpf: Fix nested bpf_bprintf_prepare with more per-cpu buffers - ethtool: stats: fix a copy-paste error - init correct array size Previous releases - regressions: - sched: fix packet stuck problem for lockless qdisc - net: really orphan skbs tied to closing sk - mlx4: fix EEPROM dump support - bpf: fix alu32 const subreg bound tracking on bitwise operations - bpf: fix mask direction swap upon off reg sign change - bpf, offload: reorder offload callback 'prepare' in verifier - stmmac: Fix MAC WoL not working if PHY does not support WoL - packetmmap: fix only tx timestamp on request - tipc: skb_linearize the head skb when reassembling msgs Previous releases - always broken: - mac80211: address recent "FragAttacks" vulnerabilities - mac80211: do not accept/forward invalid EAPOL frames - mptcp: avoid potential error message floods - bpf, ringbuf: deny reserve of buffers larger than ringbuf to prevent out of buffer writes - bpf: forbid trampoline attach for functions with variable arguments - bpf: add deny list of functions to prevent inf recursion of tracing programs - tls splice: check SPLICE_F_NONBLOCK instead of MSG_DONTWAIT - can: isotp: prevent race between isotp_bind() and isotp_setsockopt() - netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version Misc: - bpf: add kconfig knob for disabling unpriv bpf by default" * tag 'net-5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (172 commits) net: phy: Document phydev::dev_flags bits allocation mptcp: validate 'id' when stopping the ADD_ADDR retransmit timer mptcp: avoid error message on infinite mapping mptcp: drop unconditional pr_warn on bad opt mptcp: avoid OOB access in setsockopt() nfp: update maintainer and mailing list addresses net: mvpp2: add buffer header handling in RX bnx2x: Fix missing error code in bnx2x_iov_init_one() net: zero-initialize tc skb extension on allocation net: hns: Fix kernel-doc sctp: fix the proc_handler for sysctl encap_port sctp: add the missing setting for asoc encap_port bpf, selftests: Adjust few selftest result_unpriv outcomes bpf: No need to simulate speculative domain for immediates bpf: Fix mask direction swap upon off reg sign change bpf: Wrap aux data inside bpf_sanitize_info container bpf: Fix BPF_LSM kconfig symbol dependency selftests/bpf: Add test for l3 use of bpf_redirect_peer bpftool: Add sock_release help info for cgroup attach/prog load command net: dsa: microchip: enable phy errata workaround on 9567 ...
2021-05-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller11-200/+467
Daniel Borkmann says: ==================== pull-request: bpf 2021-05-26 The following pull-request contains BPF updates for your *net* tree. We've added 14 non-merge commits during the last 14 day(s) which contain a total of 17 files changed, 513 insertions(+), 231 deletions(-). The main changes are: 1) Fix bpf_skb_change_head() helper to reset mac_len, from Jussi Maki. 2) Fix masking direction swap upon off-reg sign change, from Daniel Borkmann. 3) Fix BPF offloads in verifier by reordering driver callback, from Yinjun Zhang. 4) BPF selftest for ringbuf mmap ro/rw restrictions, from Andrii Nakryiko. 5) Follow-up fixes to nested bprintf per-cpu buffers, from Florent Revest. 6) Fix bpftool sock_release attach point help info, from Liu Jian. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25bpf, selftests: Adjust few selftest result_unpriv outcomesDaniel Borkmann2-10/+0
Given we don't need to simulate the speculative domain for registers with immediates anymore since the verifier uses direct imm-based rewrites instead of having to mask, we can also lift a few cases that were previously rejected. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org>
2021-05-25selftests/bpf: Add test for l3 use of bpf_redirect_peerJussi Maki2-178/+405
Add a test case for using bpf_skb_change_head() in combination with bpf_redirect_peer() to redirect a packet from a L3 device to veth and back. The test uses a BPF program that adds L2 headers to the packet coming from a L3 device and then calls bpf_redirect_peer() to redirect the packet to a veth device. The test fails as skb->mac_len is not set properly and thus the ethernet headers are not properly skb_pull'd in cls_bpf_classify(), causing tcp_v4_rcv() to point the TCP header into middle of the IP header. Signed-off-by: Jussi Maki <joamaki@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20210525102955.2811090-1-joamaki@gmail.com
2021-05-25bpftool: Add sock_release help info for cgroup attach/prog load commandLiu Jian5-7/+10
The help information was not added at the time when the function got added. Fix this and add the missing information to its cli, documentation and bash completion. Fixes: db94cc0b4805 ("bpftool: Add support for BPF_CGROUP_INET_SOCK_RELEASE") Signed-off-by: Liu Jian <liujian56@huawei.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/bpf/20210525014139.323859-1-liujian56@huawei.com
2021-05-25Merge tag 'perf-tools-fixes-for-v5.13-2021-05-24' of ↵Linus Torvalds20-30/+71
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tool fixes from Arnaldo Carvalho de Melo: - Fix 'perf script' decoding of Intel PT traces for abort handling and sample instruction bytes. - Add missing PERF_IP_FLAG_CHARS for VM-Entry and VM-Exit to Intel PT 'perf script' decoder. - Fixes for the python based Intel PT trace viewer GUI. - Sync UAPI copies (unwire quotactl_path, some comment fixes). - Fix handling of missing kernel software events, such as the recently added 'cgroup-switches', and add the trivial glue for it in the tooling side, since it was added in this merge window. - Add missing initialization of zstd_data in 'perf buildid-list', detected with valgrind's memcheck. - Remove needless event enable/disable when all events uses BPF. - Fix libpfm4 support (63) test error for nested event groups. * tag 'perf-tools-fixes-for-v5.13-2021-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: perf stat: Skip evlist__[enable|disable] when all events uses BPF perf script: Add missing PERF_IP_FLAG_CHARS for VM-Entry and VM-Exit perf scripts python: exported-sql-viewer.py: Fix warning display perf scripts python: exported-sql-viewer.py: Fix Array TypeError perf scripts python: exported-sql-viewer.py: Fix copy to clipboard from Top Calls by elapsed Time report tools headers UAPI: Sync files changed by the quotactl_path unwiring tools headers UAPI: Sync linux/perf_event.h with the kernel sources tools headers UAPI: Sync linux/fs.h with the kernel sources perf parse-events: Check if the software events array slots are populated perf tools: Add 'cgroup-switches' software event perf intel-pt: Remove redundant setting of ptq->insn_len perf intel-pt: Fix sample instruction bytes perf intel-pt: Fix transaction abort handling perf test: Fix libpfm4 support (63) test error for nested event groups tools arch kvm: Sync kvm headers with the kernel sources perf buildid-list: Initialize zstd_data
2021-05-24net/sched: fq_pie: re-factor fix for fq_pie endless loopDavide Caratti1-4/+4
the patch that fixed an endless loop in_fq_pie_init() was not considering that 65535 is a valid class id. The correct bugfix for this infinite loop is to change 'idx' to become an u32, like Colin proposed in the past [1]. Fix this as follows: - restore 65536 as maximum possible values of 'flows_cnt' - use u32 'idx' when iterating on 'q->flows' - fix the TDC selftest This reverts commit bb2f930d6dd708469a587dc9ed1efe1ef969c0bf. [1] https://lore.kernel.org/netdev/20210407163808.499027-1-colin.king@canonical.com/ CC: Colin Ian King <colin.king@canonical.com> CC: stable@vger.kernel.org Fixes: bb2f930d6dd7 ("net/sched: fix infinite loop in sch_fq_pie") Fixes: ec97ecf1ebe4 ("net: sched: add Flow Queue PIE packet scheduler") Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-23Merge tag 'powerpc-5.13-4' of ↵Linus Torvalds1-9/+18
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - Fix breakage of strace (and other ptracers etc.) when using the new scv ABI (Power9 or later with glibc >= 2.33). - Fix early_ioremap() on 64-bit, which broke booting on some machines. Thanks to Dmitry V. Levin, Nicholas Piggin, Alexey Kardashevskiy, and Christophe Leroy. * tag 'powerpc-5.13-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/64s/syscall: Fix ptrace syscall info with scv syscalls powerpc/64s/syscall: Use pt_regs.trap to distinguish syscall ABI difference between sc and scv syscalls powerpc: Fix early setup to make early_ioremap() work
2021-05-23Merge tag 'kbuild-fixes-v5.13' of ↵Linus Torvalds2-26/+26
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Fix short log indentation for tools builds - Fix dummy-tools to adjust to the latest stackprotector check * tag 'kbuild-fixes-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: dummy-tools: adjust to stricter stackprotector check scripts/jobserver-exec: Fix a typo ("envirnoment") tools build: Fix quiet cmd indentation
2021-05-23linux/bits.h: fix compilation error with GENMASKRikard Falkeborn2-1/+9
GENMASK() has an input check which uses __builtin_choose_expr() to enable a compile time sanity check of its inputs if they are known at compile time. However, it turns out that __builtin_constant_p() does not always return a compile time constant [0]. It was thought this problem was fixed with gcc 4.9 [1], but apparently this is not the case [2]. Switch to use __is_constexpr() instead which always returns a compile time constant, regardless of its inputs. Link: https://lore.kernel.org/lkml/42b4342b-aefc-a16a-0d43-9f9c0d63ba7a@rasmusvillemoes.dk [0] Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19449 [1] Link: https://lore.kernel.org/lkml/1ac7bbc2-45d9-26ed-0b33-bf382b8d858b@I-love.SAKURA.ne.jp [2] Link: https://lkml.kernel.org/r/20210511203716.117010-1-rikard.falkeborn@gmail.com Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Yury Norov <yury.norov@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-23tools/testing/selftests/exec: fix link errorYang Yingliang1-3/+3
Fix the link error by adding '-static': gcc -Wall -Wl,-z,max-page-size=0x1000 -pie load_address.c -o /home/yang/linux/tools/testing/selftests/exec/load_address_4096 /usr/bin/ld: /tmp/ccopEGun.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `stderr@@GLIBC_2.17' which may bind externally can not be used when making a shared object; recompile with -fPIC /usr/bin/ld: /tmp/ccopEGun.o(.text+0x158): unresolvable R_AARCH64_ADR_PREL_PG_HI21 relocation against symbol `stderr@@GLIBC_2.17' /usr/bin/ld: final link failed: bad value collect2: error: ld returned 1 exit status make: *** [Makefile:25: tools/testing/selftests/exec/load_address_4096] Error 1 Link: https://lkml.kernel.org/r/20210514092422.2367367-1-yangyingliang@huawei.com Fixes: 206e22f01941 ("tools/testing/selftests: add self-test for verifying load alignment") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Cc: Chris Kennelly <ckennelly@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-21perf stat: Skip evlist__[enable|disable] when all events uses BPFSong Liu2-6/+10
When all events of a perf-stat session use BPF, it is not necessary to call evlist__enable() and evlist__disable(). Skip them when all_counters_use_bpf is true. Signed-off-by: Song Liu <song@kernel.org> Reported-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21perf script: Add missing PERF_IP_FLAG_CHARS for VM-Entry and VM-ExitAdrian Hunter3-7/+8
Add 'g' (guest) for VM-Entry and 'h' (host) for VM-Exit. Fixes: c025d46cd932c ("perf script: Add branch types for VM-Entry and VM-Exit") Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/20210521175127.27264-1-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21perf scripts python: exported-sql-viewer.py: Fix warning displayAdrian Hunter1-0/+5
Deprecation warnings are useful only for the developer, not an end user. Display warnings only when requested using the python -W option. This stops the display of warnings like: tools/perf/scripts/python/exported-sql-viewer.py:5102: DeprecationWarning: an integer is required (got type PySide2.QtCore.Qt.AlignmentFlag). Implicit conversion to integers using __int__ is deprecated, and may be removed in a future version of Python. err = app.exec_() Since the warning can be fixed only in PySide2, we must wait for it to be finally fixed there. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: stable@vger.kernel.org # v5.3+ Link: http://lore.kernel.org/lkml/20210521092053.25683-4-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21perf scripts python: exported-sql-viewer.py: Fix Array TypeErrorAdrian Hunter1-2/+3
The 'Array' class is present in more than one python standard library. In some versions of Python 3, the following error occurs: Traceback (most recent call last): File "tools/perf/scripts/python/exported-sql-viewer.py", line 4702, in <lambda> reports_menu.addAction(CreateAction(label, "Create a new window displaying branch events", lambda a=None,x=dbid: self.NewBranchView(x), self)) File "tools/perf/scripts/python/exported-sql-viewer.py", line 4727, in NewBranchView BranchWindow(self.glb, event_id, ReportVars(), self) File "tools/perf/scripts/python/exported-sql-viewer.py", line 3208, in __init__ self.model = LookupCreateModel(model_name, lambda: BranchModel(glb, event_id, report_vars.where_clause)) File "tools/perf/scripts/python/exported-sql-viewer.py", line 343, in LookupCreateModel model = create_fn() File "tools/perf/scripts/python/exported-sql-viewer.py", line 3208, in <lambda> self.model = LookupCreateModel(model_name, lambda: BranchModel(glb, event_id, report_vars.where_clause)) File "tools/perf/scripts/python/exported-sql-viewer.py", line 3124, in __init__ self.fetcher = SQLFetcher(glb, sql, prep, self.AddSample) File "tools/perf/scripts/python/exported-sql-viewer.py", line 2658, in __init__ self.buffer = Array(c_char, self.buffer_size, lock=False) TypeError: abstract class This apparently happens because Python can be inconsistent about which class of the name 'Array' gets imported. Fix by importing explicitly by name so that only the desired 'Array' gets imported. Fixes: 8392b74b575c3 ("perf scripts python: exported-sql-viewer.py: Add ability to display all the database tables") Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: stable@vger.kernel.org Link: http://lore.kernel.org/lkml/20210521092053.25683-3-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21perf scripts python: exported-sql-viewer.py: Fix copy to clipboard from Top ↵Adrian Hunter1-1/+1
Calls by elapsed Time report Provide missing argument to prevent following error when copying a selection to the clipboard: Traceback (most recent call last): File "tools/perf/scripts/python/exported-sql-viewer.py", line 4041, in <lambda> menu.addAction(CreateAction("&Copy selection", "Copy to clipboard", lambda: CopyCellsToClipboardHdr(self.view), self.view)) File "tools/perf/scripts/python/exported-sql-viewer.py", line 4021, in CopyCellsToClipboardHdr CopyCellsToClipboard(view, False, True) File "tools/perf/scripts/python/exported-sql-viewer.py", line 4018, in CopyCellsToClipboard view.CopyCellsToClipboard(view, as_csv, with_hdr) File "tools/perf/scripts/python/exported-sql-viewer.py", line 3871, in CopyTableCellsToClipboard val = model.headerData(col, Qt.Horizontal) TypeError: headerData() missing 1 required positional argument: 'role' Fixes: 96c43b9a7ab3b ("perf scripts python: exported-sql-viewer.py: Add copy to clipboard") Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: stable@vger.kernel.org Link: http://lore.kernel.org/lkml/20210521092053.25683-2-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21tools headers UAPI: Sync files changed by the quotactl_path unwiringArnaldo Carvalho de Melo4-4/+4
To pick the changes in this csets: 5b9fedb31e476693 ("quota: Disable quotactl_path syscall") That silences these perf build warnings: Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/unistd.h' differs from latest version at 'include/uapi/asm-generic/unistd.h' diff -u tools/include/uapi/asm-generic/unistd.h include/uapi/asm-generic/unistd.h Warning: Kernel ABI header at 'tools/perf/arch/x86/entry/syscalls/syscall_64.tbl' differs from latest version at 'arch/x86/entry/syscalls/syscall_64.tbl' diff -u tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl Warning: Kernel ABI header at 'tools/perf/arch/powerpc/entry/syscalls/syscall.tbl' differs from latest version at 'arch/powerpc/kernel/syscalls/syscall.tbl' diff -u tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl Warning: Kernel ABI header at 'tools/perf/arch/s390/entry/syscalls/syscall.tbl' differs from latest version at 'arch/s390/kernel/syscalls/syscall.tbl' diff -u tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl Warning: Kernel ABI header at 'tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl' differs from latest version at 'arch/mips/kernel/syscalls/syscall_n64.tbl' diff -u tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl Cc: Jan Kara <jack@suse.cz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21tools headers UAPI: Sync linux/perf_event.h with the kernel sourcesArnaldo Carvalho de Melo1-1/+1
To pick the trivial change in: 0683b53197b55343 ("signal: Deliver all of the siginfo perf data in _perf") This silences this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/perf_event.h' differs from latest version at 'include/uapi/linux/perf_event.h' diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h Cc: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21tools headers UAPI: Sync linux/fs.h with the kernel sourcesArnaldo Carvalho de Melo1-1/+1
To pick the trivial change in: 63c8af5687f6b1b7 ("block: uapi: fix comment about block device ioctl") This silences this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/fs.h' differs from latest version at 'include/uapi/linux/fs.h' diff -u tools/include/uapi/linux/fs.h include/uapi/linux/fs.h Cc: Damien Le Moal <damien.lemoal@wdc.com> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21Merge remote-tracking branch 'torvalds/master' into perf/urgentArnaldo Carvalho de Melo1-7/+7
To pick up more UAPI updates to sync with tools/. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21Merge branch 'for-v5.13-rc3' of ↵Linus Torvalds1-7/+7
git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace Pull siginfo fix from Eric Biederman: "During the merge window an issue with si_perf and the siginfo ABI came up. The alpha and sparc siginfo structure layout had changed with the addition of SIGTRAP TRAP_PERF and the new field si_perf. The reason only alpha and sparc were affected is that they are the only architectures that use si_trapno. Looking deeper it was discovered that si_trapno is used for only a few select signals on alpha and sparc, and that none of the other _sigfault fields past si_addr are used at all. Which means technically no regression on alpha and sparc. While the alignment concerns might be dismissed the abuse of si_errno by SIGTRAP TRAP_PERF does have the potential to cause regressions in existing userspace. While we still have time before userspace starts using and depending on the new definition siginfo for SIGTRAP TRAP_PERF this set of changes cleans up siginfo_t. - The si_trapno field is demoted from magic alpha and sparc status and made an ordinary union member of the _sigfault member of siginfo_t. Without moving it of course. - si_perf is replaced with si_perf_data and si_perf_type ending the abuse of si_errno. - Unnecessary additions to signalfd_siginfo are removed" * 'for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: signalfd: Remove SIL_PERF_EVENT fields from signalfd_siginfo signal: Deliver all of the siginfo perf data in _perf signal: Factor force_sig_perf out of perf_sigtrap signal: Implement SIL_FAULT_TRAPNO siginfo: Move si_trapno inside the union inside _si_fault
2021-05-21perf parse-events: Check if the software events array slots are populatedArnaldo Carvalho de Melo1-2/+7
To avoid a NULL pointer dereference when the kernel supports the new feature but the tooling still hasn't an entry for it. This happened with the recently added PERF_COUNT_SW_CGROUP_SWITCHES software event. Reported-by: Thomas Richter <tmricht@linux.ibm.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Sumanth Korikkar <sumanthk@linux.ibm.com> Link: https://lore.kernel.org/linux-perf-users/YKVESEKRjKtILhog@kernel.org/ Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21selftests: net: devlink_port_split.py: skip the test if no devlink devicePo-Hsu Lin1-1/+7
When there is no devlink device, the following command will return: $ devlink -j dev show {dev:{}} This will cause IndexError when trying to access the first element in dev of this json dataset. Use the kselftest framework skip code to skip this test in this case. Example output with this change: # selftests: net: devlink_port_split.py # no devlink device was found, test skipped ok 7 selftests: net: devlink_port_split.py # SKIP Link: https://bugs.launchpad.net/bugs/1928889 Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-21selftests/bpf: Test ringbuf mmap read-only and read-write restrictionsAndrii Nakryiko1-1/+48
Extend ringbuf selftest to validate read/write and read-only restrictions on memory mapping consumer/producer/data pages. Ensure no "escalations" from PROT_READ to PROT_WRITE/PROT_EXEC is allowed. And test that mremap() fails to expand mmap()'ed area. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20210514180726.843157-1-andrii@kernel.org
2021-05-21selftests/bpf: Convert static to global in tc_redirect progsStanislav Fomichev2-4/+4
Both IFINDEX_SRC and IFINDEX_DST are set from the userspace and it won't work once bpf merges with bpf-next. Fixes: 096eccdef0b3 ("selftests/bpf: Rewrite test_tc_redirect.sh as prog_tests/tc_redirect.c") Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20210514170528.3750250-1-sdf@google.com
2021-05-20selftests: Add .gitignore for nci test suiteDavid Matlack1-0/+1
Building the nci test suite produces a binary, nci_dev, that git then tries to track. Add a .gitignore file to tell git to ignore this binary. Signed-off-by: David Matlack <dmatlack@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-20powerpc/64s/syscall: Use pt_regs.trap to distinguish syscall ABI difference ↵Nicholas Piggin1-9/+18
between sc and scv syscalls The sc and scv 0 system calls have different ABI conventions, and ptracers need to know which system call type is being used if they want to look at the syscall registers. Document that pt_regs.trap can be used for this, and fix one in-tree user to work with scv 0 syscalls. Fixes: 7fa95f9adaee ("powerpc/64s: system call support for scv/rfscv instructions") Cc: stable@vger.kernel.org # v5.9+ Reported-by: "Dmitry V. Levin" <ldv@altlinux.org> Suggested-by: "Dmitry V. Levin" <ldv@altlinux.org> Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210520111931.2597127-1-npiggin@gmail.com
2021-05-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextDavid S. Miller56-314/+3102
Alexei Starovoitov says: ==================== pull-request: bpf-next 2021-05-19 The following pull-request contains BPF updates for your *net-next* tree. We've added 43 non-merge commits during the last 11 day(s) which contain a total of 74 files changed, 3717 insertions(+), 578 deletions(-). The main changes are: 1) syscall program type, fd array, and light skeleton, from Alexei. 2) Stop emitting static variables in skeleton, from Andrii. 3) Low level tc-bpf api, from Kumar. 4) Reduce verifier kmalloc/kfree churn, from Lorenz. ====================
2021-05-19perf tools: Add 'cgroup-switches' software eventNamhyung Kim2-0/+5
It counts how often cgroups are changed actually during the context switches. # perf stat -a -e context-switches,cgroup-switches -a sleep 1 Performance counter stats for 'system wide': 11,267 context-switches 10,950 cgroup-switches 1.015634369 seconds time elapsed Committer notes: The kernel patches landed in v5.13, but this entry wasn't filled in perf's parse-events tables, which was leading to a segfault when running 'perf list' on a kernel with that feature, as reported by Thomas Richter. Also removed the part touching tools/include/uapi/linux/perf_event.h as it was updated in the usual sync with the kernel UAPI headers, in a previous, already upstream, patch. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: http://lore.kernel.org/lkml/20210210083327.22726-3-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-19perf intel-pt: Remove redundant setting of ptq->insn_lenAdrian Hunter1-1/+0
Remove redundant "ptq->insn_len = 0" statement. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/20210519074515.9262-4-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-19bpf: Add cmd alias BPF_PROG_RUNAlexei Starovoitov2-1/+2
Add BPF_PROG_RUN command as an alias to BPF_RPOG_TEST_RUN to better indicate the full range of use cases done by the command. Suggested-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20210519014032.20908-1-alexei.starovoitov@gmail.com
2021-05-19perf intel-pt: Fix sample instruction bytesAdrian Hunter1-1/+4
The decoder reports the current instruction if it was decoded. In some cases the current instruction is not decoded, in which case the instruction bytes length must be set to zero. Ensure that is always done. Note perf script can anyway get the instruction bytes for any samples where they are not present. Also note, that there is a redundant "ptq->insn_len = 0" statement which is not removed until a subsequent patch in order to make this patch apply cleanly to stable branches. Example: A machne that supports TSX is required. It will have flag "rtm". Kernel parameter tsx=on may be required. # for w in `cat /proc/cpuinfo | grep -m1 flags `;do echo $w | grep rtm ; done rtm Test program: #include <stdio.h> #include <immintrin.h> int main() { int x = 0; if (_xbegin() == _XBEGIN_STARTED) { x = 1; _xabort(1); } else { printf("x = %d\n", x); } return 0; } Compile with -mrtm i.e. gcc -Wall -Wextra -mrtm xabort.c -o xabort Record: perf record -e intel_pt/cyc/u --filter 'filter main @ ./xabort' ./xabort Before: # perf script --itrace=xe -F+flags,+insn,-period --xed --ns xabort 1478 [007] 92161.431348581: transactions: x 400b81 main+0x14 (/root/xabort) mov $0xffffffff, %eax xabort 1478 [007] 92161.431348624: transactions: tx abrt 400b93 main+0x26 (/root/xabort) mov $0xffffffff, %eax After: # perf script --itrace=xe -F+flags,+insn,-period --xed --ns xabort 1478 [007] 92161.431348581: transactions: x 400b81 main+0x14 (/root/xabort) xbegin 0x6 xabort 1478 [007] 92161.431348624: transactions: tx abrt 400b93 main+0x26 (/root/xabort) xabort $0x1 Fixes: faaa87680b25d ("perf intel-pt/bts: Report instruction bytes and length in sample") Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: stable@vger.kernel.org Link: http://lore.kernel.org/lkml/20210519074515.9262-3-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-19perf intel-pt: Fix transaction abort handlingAdrian Hunter1-1/+5
When adding support for power events, some handling of FUP packets was unified. That resulted in breaking reporting of TSX aborts, by not considering the associated TIP packet. Fix that. Example: A machine that supports TSX is required. It will have flag "rtm". Kernel parameter tsx=on may be required. # for w in `cat /proc/cpuinfo | grep -m1 flags `;do echo $w | grep rtm ; done rtm Test program: #include <stdio.h> #include <immintrin.h> int main() { int x = 0; if (_xbegin() == _XBEGIN_STARTED) { x = 1; _xabort(1); } else { printf("x = %d\n", x); } return 0; } Compile with -mrtm i.e. gcc -Wall -Wextra -mrtm xabort.c -o xabort Record: perf record -e intel_pt/cyc/u --filter 'filter main @ ./xabort' ./xabort Before: # perf script --itrace=be -F+flags,+addr,-period,-event --ns xabort 1478 [007] 92161.431348552: tr strt 0 [unknown] ([unknown]) => 400b6d main+0x0 (/root/xabort) xabort 1478 [007] 92161.431348624: jmp 400b96 main+0x29 (/root/xabort) => 400bae main+0x41 (/root/xabort) xabort 1478 [007] 92161.431348624: return 400bb4 main+0x47 (/root/xabort) => 400b87 main+0x1a (/root/xabort) xabort 1478 [007] 92161.431348637: jcc 400b8a main+0x1d (/root/xabort) => 400b98 main+0x2b (/root/xabort) xabort 1478 [007] 92161.431348644: tr end call 400ba9 main+0x3c (/root/xabort) => 40f690 printf+0x0 (/root/xabort) xabort 1478 [007] 92161.431360859: tr strt 0 [unknown] ([unknown]) => 400bae main+0x41 (/root/xabort) xabort 1478 [007] 92161.431360882: tr end return 400bb4 main+0x47 (/root/xabort) => 401139 __libc_start_main+0x309 (/root/xabort) After: # perf script --itrace=be -F+flags,+addr,-period,-event --ns xabort 1478 [007] 92161.431348552: tr strt 0 [unknown] ([unknown]) => 400b6d main+0x0 (/root/xabort) xabort 1478 [007] 92161.431348624: tx abrt 400b93 main+0x26 (/root/xabort) => 400b87 main+0x1a (/root/xabort) xabort 1478 [007] 92161.431348637: jcc 400b8a main+0x1d (/root/xabort) => 400b98 main+0x2b (/root/xabort) xabort 1478 [007] 92161.431348644: tr end call 400ba9 main+0x3c (/root/xabort) => 40f690 printf+0x0 (/root/xabort) xabort 1478 [007] 92161.431360859: tr strt 0 [unknown] ([unknown]) => 400bae main+0x41 (/root/xabort) xabort 1478 [007] 92161.431360882: tr end return 400bb4 main+0x47 (/root/xabort) => 401139 __libc_start_main+0x309 (/root/xabort) Fixes: a472e65fc490a ("perf intel-pt: Add decoder support for ptwrite and power event packets") Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: stable@vger.kernel.org Link: http://lore.kernel.org/lkml/20210519074515.9262-2-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-19perf test: Fix libpfm4 support (63) test error for nested event groupsThomas Richter2-3/+12
Compiling perf with make LIBPFM4=1 includes libpfm support and enables test case 63 'Test libpfm4 support'. This test reports an error on all platforms for subtest 63.2 'test groups of --pfm-events'. The reported error message is 'nested event groups not supported' # ./perf test -F 63 63: Test libpfm4 support : 63.1: test of individual --pfm-events : Error: failed to parse event stereolab : event not found Error: failed to parse event stereolab,instructions : event not found Error: failed to parse event instructions,stereolab : event not found Ok 63.2: test groups of --pfm-events : Error: nested event groups not supported <------ Error message here Error: failed to parse event {stereolab} : event not found Error: failed to parse event {instructions,cycles},{instructions,stereolab} :\ event not found Ok # This patch addresses the error message 'nested event groups not supported'. The root cause is function parse_libpfm_events_option() which parses the event string '{},{instructions}' and can not handle a leading empty group notation '{},...'. The code detects the first (empty) group indicator '{' but does not terminate group processing on the following group closing character '}'. So when the second group indicator '{' is detected, the code assumes a nested group and returns an error. With the error message fixed, also change the expected event number to one for the test case to succeed. While at it also fix a memory leak. In good case the function does not free the duplicated string given as first parameter. Output after: # ./perf test -F 63 63: Test libpfm4 support : 63.1: test of individual --pfm-events : Error: failed to parse event stereolab : event not found Error: failed to parse event stereolab,instructions : event not found Error: failed to parse event instructions,stereolab : event not found Ok 63.2: test groups of --pfm-events : Error: failed to parse event {stereolab} : event not found Error: failed to parse event {instructions,cycles},{instructions,stereolab} : \ event not found Ok # Error message 'nested event groups not supported' is gone. Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Acked-By: Ian Rogers <irogers@google.com> Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Stephane Eranian <eranian@google.com> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Link: http://lore.kernel.org/lkml/20210517140931.2559364-1-tmricht@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-19selftests/bpf: Convert test trace_printk to lskel.Alexei Starovoitov2-2/+2
Convert test trace_printk to light skeleton to check rodata support in lskel. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210514003623.28033-22-alexei.starovoitov@gmail.com
2021-05-19selftests/bpf: Convert test printk to use rodata.Alexei Starovoitov2-3/+6
Convert test trace_printk to more aggressively validate and use rodata. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210514003623.28033-21-alexei.starovoitov@gmail.com
2021-05-19selftests/bpf: Convert atomics test to light skeleton.Alexei Starovoitov2-37/+37
Convert prog_tests/atomics.c to lskel.h Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210514003623.28033-20-alexei.starovoitov@gmail.com
2021-05-19selftests/bpf: Convert few tests to light skeleton.Alexei Starovoitov10-28/+41
Convert few tests that don't use CO-RE to light skeleton. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210514003623.28033-19-alexei.starovoitov@gmail.com
2021-05-19bpftool: Use syscall/loader program in "prog load" and "gen skeleton" command.Alexei Starovoitov6-24/+482
Add -L flag to bpftool to use libbpf gen_trace facility and syscall/loader program for skeleton generation and program loading. "bpftool gen skeleton -L" command will generate a "light skeleton" or "loader skeleton" that is similar to existing skeleton, but has one major difference: $ bpftool gen skeleton lsm.o > lsm.skel.h $ bpftool gen skeleton -L lsm.o > lsm.lskel.h $ diff lsm.skel.h lsm.lskel.h @@ -5,34 +4,34 @@ #define __LSM_SKEL_H__ #include <stdlib.h> -#include <bpf/libbpf.h> +#include <bpf/bpf.h> The light skeleton does not use majority of libbpf infrastructure. It doesn't need libelf. It doesn't parse .o file. It only needs few sys_bpf wrappers. All of them are in bpf/bpf.h file. In future libbpf/bpf.c can be inlined into bpf.h, so not even libbpf.a would be needed to work with light skeleton. "bpftool prog load -L file.o" command is introduced for debugging of syscall/loader program generation. Just like the same command without -L it will try to load the programs from file.o into the kernel. It won't even try to pin them. "bpftool prog load -L -d file.o" command will provide additional debug messages on how syscall/loader program was generated. Also the execution of syscall/loader program will use bpf_trace_printk() for each step of loading BTF, creating maps, and loading programs. The user can do "cat /.../trace_pipe" for further debug. An example of fexit_sleep.lskel.h generated from progs/fexit_sleep.c: struct fexit_sleep { struct bpf_loader_ctx ctx; struct { struct bpf_map_desc bss; } maps; struct { struct bpf_prog_desc nanosleep_fentry; struct bpf_prog_desc nanosleep_fexit; } progs; struct { int nanosleep_fentry_fd; int nanosleep_fexit_fd; } links; struct fexit_sleep__bss { int pid; int fentry_cnt; int fexit_cnt; } *bss; }; Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210514003623.28033-18-alexei.starovoitov@gmail.com
2021-05-19libbpf: Introduce bpf_map__initial_value().Alexei Starovoitov3-0/+10
Introduce bpf_map__initial_value() to read initial contents of mmaped data/rodata/bss maps. Note that bpf_map__set_initial_value() doesn't allow modifying kconfig map while bpf_map__initial_value() allows reading its values. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210514003623.28033-17-alexei.starovoitov@gmail.com
2021-05-19libbpf: Cleanup temp FDs when intermediate sys_bpf fails.Alexei Starovoitov2-4/+45
Fix loader program to close temporary FDs when intermediate sys_bpf command fails. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210514003623.28033-16-alexei.starovoitov@gmail.com
2021-05-19libbpf: Generate loader program out of BPF ELF file.Alexei Starovoitov8-35/+1060
The BPF program loading process performed by libbpf is quite complex and consists of the following steps: "open" phase: - parse elf file and remember relocations, sections - collect externs and ksyms including their btf_ids in prog's BTF - patch BTF datasec (since llvm couldn't do it) - init maps (old style map_def, BTF based, global data map, kconfig map) - collect relocations against progs and maps "load" phase: - probe kernel features - load vmlinux BTF - resolve externs (kconfig and ksym) - load program BTF - init struct_ops - create maps - apply CO-RE relocations - patch ld_imm64 insns with src_reg=PSEUDO_MAP, PSEUDO_MAP_VALUE, PSEUDO_BTF_ID - reposition subprograms and adjust call insns - sanitize and load progs During this process libbpf does sys_bpf() calls to load BTF, create maps, populate maps and finally load programs. Instead of actually doing the syscalls generate a trace of what libbpf would have done and represent it as the "loader program". The "loader program" consists of single map with: - union bpf_attr(s) - BTF bytes - map value bytes - insns bytes and single bpf program that passes bpf_attr(s) and data into bpf_sys_bpf() helper. Executing such "loader program" via bpf_prog_test_run() command will replay the sequence of syscalls that libbpf would have done which will result the same maps created and programs loaded as specified in the elf file. The "loader program" removes libelf and majority of libbpf dependency from program loading process. kconfig, typeless ksym, struct_ops and CO-RE are not supported yet. The order of relocate_data and relocate_calls had to change, so that bpf_gen__prog_load() can see all relocations for a given program with correct insn_idx-es. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210514003623.28033-15-alexei.starovoitov@gmail.com
2021-05-19libbpf: Preliminary support for fd_idxAlexei Starovoitov1-6/+25
Prep libbpf to use FD_IDX kernel feature when generating loader program. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210514003623.28033-14-alexei.starovoitov@gmail.com
2021-05-19libbpf: Add bpf_object pointer to kernel_supports().Alexei Starovoitov1-22/+22
Add a pointer to 'struct bpf_object' to kernel_supports() helper. It will be used in the next patch. No functional changes. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210514003623.28033-13-alexei.starovoitov@gmail.com
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-26 00:38:18 +0300