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2019-06-29Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Various fixes, most of them related to bugs perf fuzzing found in the x86 code" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/regs: Use PERF_REG_EXTENDED_MASK perf/x86: Remove pmu->pebs_no_xmm_regs perf/x86: Clean up PEBS_XMM_REGS perf/x86/regs: Check reserved bits perf/x86: Disable extended registers for non-supported PMUs perf/ioctl: Add check for the sample_period value perf/core: Fix perf_sample_regs_user() mm check
2019-06-29Merge tag 'xarray-5.2-rc6' of git://git.infradead.org/users/willy/linux-daxLinus Torvalds
Pull XArray fixes from Matthew Wilcox: - Account XArray nodes for the page cache to the appropriate cgroup (Johannes Weiner) - Fix idr_get_next() when called under the RCU lock (Matthew Wilcox) - Add a test for xa_insert() (Matthew Wilcox) * tag 'xarray-5.2-rc6' of git://git.infradead.org/users/willy/linux-dax: XArray tests: Add check_insert idr: Fix idr_get_next race with idr_remove mm: fix page cache convergence regression
2019-06-29bpf: fix uapi bpf_prog_info fields alignmentBaruch Siach
Merge commit 1c8c5a9d38f60 ("Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next") undid the fix from commit 36f9814a494 ("bpf: fix uapi hole for 32 bit compat applications") by taking the gpl_compatible 1-bit field definition from commit b85fab0e67b162 ("bpf: Add gpl_compatible flag to struct bpf_prog_info") as is. That breaks architectures with 16-bit alignment like m68k. Add 31-bit pad after gpl_compatible to restore alignment of following fields. Thanks to Dmitry V. Levin his analysis of this bug history. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Acked-by: Song Liu <songliubraving@fb.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-06-29selftests/bpf: fix -Wstrict-aliasing in test_sockopt_sk.cStanislav Fomichev
Let's use union with u8[4] and u32 members for sockopt buffer, that should fix any possible aliasing issues. test_sockopt_sk.c: In function ‘getsetsockopt’: test_sockopt_sk.c:115:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] if (*(__u32 *)buf != 0x55AA*2) { ^~ test_sockopt_sk.c:116:3: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] log_err("Unexpected getsockopt(SO_SNDBUF) 0x%x != 0x55AA*2", ^~~~~~~ Fixes: 8a027dc0d8f5 ("selftests/bpf: add sockopt test that exercises sk helpers") Reported-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Stanislav Fomichev <sdf@google.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-06-28selftests: timestamping: Fix SIOCGSTAMP undeclared build failureShuah Khan
Add missing linux/sockios.h include to fix the following SIOCGSTAMP undeclared build error. In addition, remove the local defines for SIOCGSTAMPNS and SIOCSHWTSTAMP and pick them up from linux/sockios.h. timestamping.c:249:19: error: SIOCGSTAMP undeclared if (ioctl(sock, SIOCGSTAMP, &tv)) Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-06-28selftests: dma-buf: Adding kernel config fragment CONFIG_UDMABUF=yNaresh Kamboju
The test case drivers/dma-buf/udmabuf need this kernel config enabled CONFIG_UDMABUF=y Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-06-28Merge branch 'for-mingo' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu Pull rcu/next + tools/memory-model changes from Paul E. McKenney: - RCU flavor consolidation cleanups and optmizations - Documentation updates - Miscellaneous fixes - SRCU updates - RCU-sync flavor consolidation - Torture-test updates - Linux-kernel memory-consistency-model updates, most notably the addition of plain C-language accesses Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-06-28tests: add pidfd_open() testsChristian Brauner
This adds testing for the new pidfd_open() syscalls. Specifically, we test: - that no invalid flags can be passed to pidfd_open() - that no invalid pid can be passed to pidfd_open() - that a pidfd can be retrieved with pidfd_open() - that the retrieved pidfd references the correct pid Signed-off-by: Christian Brauner <christian@brauner.io> Cc: Arnd Bergmann <arnd@arndb.de> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Kees Cook <keescook@chromium.org> Cc: Joel Fernandes (Google) <joel@joelfernandes.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jann Horn <jannh@google.com> Cc: David Howells <dhowells@redhat.com> Cc: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> Cc: Andy Lutomirsky <luto@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Aleksa Sarai <cyphar@cyphar.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: linux-api@vger.kernel.org
2019-06-28pidfd: add polling selftestsJoel Fernandes (Google)
Other than verifying pidfd based polling, the tests make sure that wait semantics are preserved with the pidfd poll. Notably the 2 cases: 1. If a thread group leader exits while threads still there, then no pidfd poll notifcation should happen. 2. If a non-thread group leader does an execve, then the thread group leader is signaled to exit and is replaced with the execing thread as the new leader, however the parent is not notified in this case. Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org> Signed-off-by: Christian Brauner <christian@brauner.io>
2019-06-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
The new route handling in ip_mc_finish_output() from 'net' overlapped with the new support for returning congestion notifications from BPF programs. In order to handle this I had to take the dev_loopback_xmit() calls out of the switch statement. The aquantia driver conflicts were simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-27bpftool: support cgroup sockoptStanislav Fomichev
Support sockopt prog type and cgroup hooks in the bpftool. Cc: Andrii Nakryiko <andriin@fb.com> Cc: Martin Lau <kafai@fb.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-06-27selftests/bpf: add sockopt test that exercises BPF_F_ALLOW_MULTIStanislav Fomichev
sockopt test that verifies chaining behavior. v9: * setsockopt chaining example v7: * rework the test to verify cgroup getsockopt chaining Cc: Andrii Nakryiko <andriin@fb.com> Cc: Martin Lau <kafai@fb.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-06-27selftests/bpf: add sockopt test that exercises sk helpersStanislav Fomichev
socktop test that introduces new SOL_CUSTOM sockopt level and stores whatever users sets in sk storage. Whenever getsockopt is called, the original value is retrieved. v9: * SO_SNDBUF example to override user-supplied buffer v7: * use retval=0 and optlen-1 v6: * test 'ret=1' use-case as well (Alexei Starovoitov) v4: * don't call bpf_sk_fullsock helper v3: * drop (__u8 *)(long) casts for optval{,_end} v2: * new test Cc: Andrii Nakryiko <andriin@fb.com> Cc: Martin Lau <kafai@fb.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-06-27selftests/bpf: add sockopt testStanislav Fomichev
Add sockopt selftests: * require proper expected_attach_type * enforce context field read/write access * test bpf_sockopt_handled handler * test EPERM * test limiting optlen from getsockopt * test out-of-bounds access v9: * add tests for setsockopt argument mangling v7: * remove return 2; test retval=0 and optlen=-1 v3: * use DW for optval{,_end} loads v2: * use return code 2 for kernel bypass Cc: Andrii Nakryiko <andriin@fb.com> Cc: Martin Lau <kafai@fb.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-06-27selftests/bpf: test sockopt section nameStanislav Fomichev
Add tests that make sure libbpf section detection works. Cc: Andrii Nakryiko <andriin@fb.com> Cc: Martin Lau <kafai@fb.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-06-27libbpf: support sockopt hooksStanislav Fomichev
Make libbpf aware of new sockopt hooks so it can derive prog type and hook point from the section names. Cc: Andrii Nakryiko <andriin@fb.com> Cc: Martin Lau <kafai@fb.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-06-27bpf: sync bpf.h to tools/Stanislav Fomichev
Export new prog type and hook points to the libbpf. Cc: Andrii Nakryiko <andriin@fb.com> Cc: Martin Lau <kafai@fb.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-06-28selftests/x86: Add a test for process_vm_readv() on the vsyscall pageAndy Lutomirski
get_gate_page() is a piece of somewhat alarming code to make get_user_pages() work on the vsyscall page. Test it via process_vm_readv(). Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: Florian Weimer <fweimer@redhat.com> Cc: Jann Horn <jannh@google.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Kernel Hardening <kernel-hardening@lists.openwall.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lkml.kernel.org/r/0fe34229a9330e8f9de9765967939cc4f1cf26b1.1561610354.git.luto@kernel.org
2019-06-28selftests/x86/vsyscall: Verify that vsyscall=none blocks executionAndy Lutomirski
If vsyscall=none accidentally still allowed vsyscalls, the test wouldn't fail. Fix it. Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: Florian Weimer <fweimer@redhat.com> Cc: Jann Horn <jannh@google.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Kernel Hardening <kernel-hardening@lists.openwall.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lkml.kernel.org/r/b413397c804265f8865f3e70b14b09485ea7c314.1561610354.git.luto@kernel.org
2019-06-28x86/vsyscall: Document odd SIGSEGV error code for vsyscallsAndy Lutomirski
Even if vsyscall=none, user page faults on the vsyscall page are reported as though the PROT bit in the error code was set. Add a comment explaining why this is probably okay and display the value in the test case. While at it, explain why the behavior is correct with respect to PKRU. Modify also the selftest to print the odd error code so that there is a way to demonstrate the odd behaviour. If anyone really cares about more accurate emulation, the behaviour could be changed. But that needs a real good justification. Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: Florian Weimer <fweimer@redhat.com> Cc: Jann Horn <jannh@google.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Kernel Hardening <kernel-hardening@lists.openwall.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lkml.kernel.org/r/75c91855fd850649ace162eec5495a1354221aaa.1561610354.git.luto@kernel.org
2019-06-27xsk: Change the default frame size to 4096 and allow controlling itMaxim Mikityanskiy
The typical XDP memory scheme is one packet per page. Change the AF_XDP frame size in libbpf to 4096, which is the page size on x86, to allow libbpf to be used with the drivers with the packet-per-page scheme. Add a command line option -f to xdpsock to allow to specify a custom frame size. Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com> Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Acked-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-06-27libbpf: Support getsockopt XDP_OPTIONSMaxim Mikityanskiy
Query XDP_OPTIONS in libbpf to determine if the zero-copy mode is active or not. Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com> Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Acked-by: Saeed Mahameed <saeedm@mellanox.com> Acked-by: Björn Töpel <bjorn.topel@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-06-27xsk: Add getsockopt XDP_OPTIONSMaxim Mikityanskiy
Make it possible for the application to determine whether the AF_XDP socket is running in zero-copy mode. To achieve this, add a new getsockopt option XDP_OPTIONS that returns flags. The only flag supported for now is the zero-copy mode indicator. Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com> Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Acked-by: Saeed Mahameed <saeedm@mellanox.com> Acked-by: Björn Töpel <bjorn.topel@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-06-27iio: iio-utils: Fix possible incorrect mask calculationBastien Nocera
On some machines, iio-sensor-proxy was returning all 0's for IIO sensor values. It turns out that the bits_used for this sensor is 32, which makes the mask calculation: *mask = (1 << 32) - 1; If the compiler interprets the 1 literals as 32-bit ints, it generates undefined behavior depending on compiler version and optimization level. On my system, it optimizes out the shift, so the mask value becomes *mask = (1) - 1; With a mask value of 0, iio-sensor-proxy will always return 0 for every axis. Avoid incorrect 0 values caused by compiler optimization. See original fix by Brett Dutro <brett.dutro@gmail.com> in iio-sensor-proxy: https://github.com/hadess/iio-sensor-proxy/commit/9615ceac7c134d838660e209726cd86aa2064fd3 Signed-off-by: Bastien Nocera <hadess@hadess.net> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-06-27selftests: rtnetlink: add small test case with 'promote_secondaries' enabledFlorian Westphal
This exercises the 'promote_secondaries' code path. Without previous fix, this triggers infinite loop/soft lockup: ifconfig process spinning at 100%, never to return. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-27Merge tag 'gpio-v5.3-updates-for-linus' of ↵Linus Walleij
git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into devel gpio: updates for v5.3 - add include/linux/gpio.h to .gitignore in /tools - improve and simplify code in the em driver - simplify code in max732x by using devm helpers (including the new devm_i2c_new_dummy_device()) - fix SPDX header for madera - remove checking of return values of debugfs routines in gpio-mockup
2019-06-26perf tools: Remove trim() implementation, use tools/lib's strim()Arnaldo Carvalho de Melo
Moving more stuff out of tools/perf/util/ and using the kernel idiom. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-wpj8rktj62yse5dq6ckny6de@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-26tools lib: Adopt strim() from the kernelArnaldo Carvalho de Melo
Since we're working on moving stuff out of tools/perf/util/ to tools/lib/, take the opportunity to adopt routines from the kernel that are equivalent, so that tools/ code look more like the kernel. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: André Goddard Rosa <andre.goddard@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-zqy1zdu2ok17qvi0ytk8z13c@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-26perf tools: Ditch rtrim(), use skip_spaces() to get closer to the kernelArnaldo Carvalho de Melo
No change in behaviour, just using the same kernel idiom for such operation. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: André Goddard Rosa <andre.goddard@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-a85lkptkt0ru40irpga8yf54@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-26perf report: Use skip_spaces()Arnaldo Carvalho de Melo
No change in behaviour intended. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-lcywlfqbi37nhegmhl1ar6wg@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-26perf metricgroup: Use strsep()Arnaldo Carvalho de Melo
No change in behaviour intended, trivial optimization done by avoiding looking for spaces in 'g' right after setting it to "No_group". Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-f2siadtp3hb5o0l1w7bvd8bk@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-26perf strfilter: Use skip_spaces()Arnaldo Carvalho de Melo
No change in behaviour. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-p9rtamq7lvre9zhti70azfwe@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-26perf probe: Use skip_spaces() for argv handlingArnaldo Carvalho de Melo
The skip_sep() routine has the same implementation as skip_spaces(), recently adopted from the kernel, sources, switch to it. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-0ix211a81z2016dl5nmtdci4@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-26tools: bpftool: use correct argument in cgroup errorsJakub Kicinski
cgroup code tries to use argv[0] as the cgroup path, but if it fails uses argv[1] to report errors. Fixes: 5ccda64d38cc ("bpftool: implement cgroup bpf operations") Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Acked-by: Roman Gushchin <guro@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-06-26selftests/bpf: build tests with debug infoAndrii Nakryiko
Non-BPF (user land) part of selftests is built without debug info making occasional debugging with gdb terrible. Build with debug info always. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-06-26libbpf: fix max() type mismatch for 32bitIvan Khoronzhuk
It fixes build error for 32bit caused by type mismatch size_t/unsigned long. Fixes: bf82927125dd ("libbpf: refactor map initialization") Acked-by: Song Liu <songliubraving@fb.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-06-25perf time-utils: Use skip_spaces()Arnaldo Carvalho de Melo
No change in behaviour intended. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-cpugv7qd5vzhbtvnlydo90jv@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-25perf header: Use skip_spaces() in __write_cpudesc()Arnaldo Carvalho de Melo
No change in behaviour. Cc: Stephane Eranian <eranian@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-0dbfpi70aa66s6mtd8z6p391@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-25perf stat: Use recently introduced skip_spaces()Arnaldo Carvalho de Melo
No change in behaviour. Cc: Andi Kleen <ak@linux.intel.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-ncpvp4eelf8fqhuy29uv56z9@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-25tools lib: Adopt skip_spaces() from the kernel sourcesArnaldo Carvalho de Melo
Same implementation, will be used to replace ad-hoc equivalent code in tools/. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: André Goddard Rosa <andre.goddard@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-dig691cg9ripvoiprpidthw7@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-25perf tools: Use linux/ctype.h in more placesArnaldo Carvalho de Melo
There were a few places where we still were using the libc version of ctype.h, switch to the one in tools/lib/ctype.c that the rest of perf uses. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-wa4nz4kt61eze88eprk20tfd@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-25tools perf: Move from sane_ctype.h obtained from git to the Linux's originalArnaldo Carvalho de Melo
We got the sane_ctype.h headers from git and kept using it so far, but since that code originally came from the kernel sources to the git sources, perhaps its better to just use the one in the kernel, so that we can leverage tools/perf/check_headers.sh to be notified when our copy gets out of sync, i.e. when fixes or goodies are added to the code we've copied. This will help with things like tools/lib/string.c where we want to have more things in common with the kernel, such as strim(), skip_spaces(), etc so as to go on removing the things that we have in tools/perf/util/ and instead using the code in the kernel, indirectly and removing things like EXPORT_SYMBOL(), etc, getting notified when fixes and improvements are made to the original code. Hopefully this also should help with reducing the difference of code hosted in tools/ to the one in the kernel proper. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-7k9868l713wqtgo01xxygn12@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-25perf tools: Add missing util.h to pick up 'page_size' variableArnaldo Carvalho de Melo
Not to depend of getting it indirectly. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-tirjsmvu4ektw0k7lm8k9lhu@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-25perf tools: Remove old baggage that is util/include/linux/ctype.hArnaldo Carvalho de Melo
It was just including a ../util.h that wasn't even there: $ cat tools/perf/util/include/linux/../util.h cat: tools/perf/util/include/linux/../util.h: No such file or directory $ This would make kallsyms.h get util.h somehow and then files including it would get util.h defined stuff, a mess, fix it. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-wlzwken4psiat4zvfbvaoqiw@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-25perf symbols: We need util.h in symbol-elf.c for zfree()Arnaldo Carvalho de Melo
Continuing to untangle the headers, we're about to remove the old odd baggage that is tools/perf/util/include/linux/ctype.h. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-gapezcq3p8bzrsi96vdtq0o0@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-25perf kallsyms: Adopt hex2u64 from tools/perf/util/util.hArnaldo Carvalho de Melo
Just removing more stuff from tools/perf/, this is mostly used in the kallsyms parsing and in places in perf where kallsyms is involved, so we get it for free there. With this we reduce a bit more util.h. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-5mc1zg0jqdwgkn8c358kaba6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-25tools x86 machine: Add missing util.h to pick up 'page_size'Arnaldo Carvalho de Melo
We're getting it by sheer luck, add that util.h to get the 'page_size' definition. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-347078mgj3d2jfygtxs4ntti@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-25tc-testing: add ingress qdisc testsRoman Mashak
Signed-off-by: Roman Mashak <mrv@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-25perf string: Move 'dots' and 'graph_dotted_line' out of sane_ctype.hArnaldo Carvalho de Melo
Those are not in that file in the git repo, lets move it from there so that we get that sane ctype code fully isolated to allow getting it in sync either with the git sources or better with the kernel sources (include/linux/ctype.h + lib/ctype.h), that way we can use check_headers.h to get notified when changes are made in the original code so that we can cherry-pick. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-ioh5sghn3943j0rxg6lb2dgs@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-25tc-testing: Restore original behaviour for namespaces in tdcLucas Bates
This patch restores the original behaviour for tdc prior to the introduction of the plugin system, where the network namespace functionality was split from the main script. It introduces the concept of required plugins for testcases, and will automatically load any plugin that isn't already enabled when said plugin is required by even one testcase. Additionally, the -n option for the nsPlugin is deprecated so the default action is to make use of the namespaces. Instead, we introduce -N to not use them, but still create the veth pair. buildebpfPlugin's -B option is also deprecated. If a test cases requires the features of a specific plugin in order to pass, it should instead include a new key/value pair describing plugin interactions: "plugins": { "requires": "buildebpfPlugin" }, A test case can have more than one required plugin: a list can be inserted as the value for 'requires'. Signed-off-by: Lucas Bates <lucasb@mojatatu.com> Acked-by: Davide Caratti <dcaratti@redhat.com> Tested-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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