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2019-12-09kunit: testing kunit: Bug fix in test_run_timeout functionHeidi Fahim1-1/+1
Assert in test_run_timeout was not updated with the build_dir argument and caused the following error: AssertionError: Expected call: run_kernel(timeout=3453) Actual call: run_kernel(build_dir=None, timeout=3453) Needed to update kunit_tool_test to reflect this fix https://lkml.org/lkml/2019/9/6/351 Signed-off-by: Heidi Fahim <heidifahim@google.com> Reviewed-by: SeongJae Park <sjpark@amazon.de> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Tested-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-09selftests: forwarding: Delete IPv6 address at the endIdo Schimmel1-1/+1
When creating the second host in h2_create(), two addresses are assigned to the interface, but only one is deleted. When running the test twice in a row the following error is observed: $ ./router_bridge_vlan.sh TEST: ping [ OK ] TEST: ping6 [ OK ] TEST: vlan [ OK ] $ ./router_bridge_vlan.sh RTNETLINK answers: File exists TEST: ping [ OK ] TEST: ping6 [ OK ] TEST: vlan [ OK ] Fix this by deleting the address during cleanup. Fixes: 5b1e7f9ebd56 ("selftests: forwarding: Test routed bridge interface") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-09selftests: safesetid: Fix Makefile to set correct test programMasami Hiramatsu1-1/+1
Fix Makefile to set safesetid-test.sh to TEST_PROGS instead of non existing run_tests.sh. Without this fix, I got following error. ---- TAP version 13 1..1 # selftests: safesetid: run_tests.sh # Warning: file run_tests.sh is missing! not ok 1 selftests: safesetid: run_tests.sh ---- Fixes: c67e8ec03f3f ("LSM: SafeSetID: add selftest") Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-09selftests: safesetid: Check the return value of setuid/setgidMasami Hiramatsu1-5/+10
Check the return value of setuid() and setgid(). This fixes the following warnings and improves test result. safesetid-test.c: In function ‘main’: safesetid-test.c:294:2: warning: ignoring return value of ‘setuid’, declared with attribute warn_unused_result [-Wunused-result] setuid(NO_POLICY_USER); ^~~~~~~~~~~~~~~~~~~~~~ safesetid-test.c:295:2: warning: ignoring return value of ‘setgid’, declared with attribute warn_unused_result [-Wunused-result] setgid(NO_POLICY_USER); ^~~~~~~~~~~~~~~~~~~~~~ safesetid-test.c:309:2: warning: ignoring return value of ‘setuid’, declared with attribute warn_unused_result [-Wunused-result] setuid(RESTRICTED_PARENT); ^~~~~~~~~~~~~~~~~~~~~~~~~ safesetid-test.c:310:2: warning: ignoring return value of ‘setgid’, declared with attribute warn_unused_result [-Wunused-result] setgid(RESTRICTED_PARENT); ^~~~~~~~~~~~~~~~~~~~~~~~~ safesetid-test.c: In function ‘test_setuid’: safesetid-test.c:216:3: warning: ignoring return value of ‘setuid’, declared with attribute warn_unused_result [-Wunused-result] setuid(child_uid); ^~~~~~~~~~~~~~~~~ Fixes: c67e8ec03f3f ("LSM: SafeSetID: add selftest") Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-09selftests: safesetid: Move link library to LDLIBSMasami Hiramatsu1-1/+2
Move -lcap to LDLIBS from CFLAGS because it is a library to be linked. Without this, safesetid failed to build with link error as below. ---- /usr/bin/ld: /tmp/ccL8rZHT.o: in function `drop_caps': safesetid-test.c:(.text+0xe7): undefined reference to `cap_get_proc' /usr/bin/ld: safesetid-test.c:(.text+0x107): undefined reference to `cap_set_flag' /usr/bin/ld: safesetid-test.c:(.text+0x10f): undefined reference to `cap_set_proc' /usr/bin/ld: safesetid-test.c:(.text+0x117): undefined reference to `cap_free' /usr/bin/ld: safesetid-test.c:(.text+0x136): undefined reference to `cap_clear' collect2: error: ld returned 1 exit status ---- Fixes: c67e8ec03f3f ("LSM: SafeSetID: add selftest") Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-09selftests/ftrace: Fix multiple kprobe testcaseMasami Hiramatsu1-3/+3
Fix multiple kprobe event testcase to work it correctly. There are 2 bugfixes. - Since `wc -l FILE` returns not only line number but also FILE filename, following "if" statement always failed. Fix this bug by replacing it with 'cat FILE | wc -l' - Since "while do-done loop" block with pipeline becomes a subshell, $N local variable is not update outside of the loop. Fix this bug by using actual target number (256) instead of $N. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-09selftests/ftrace: Do not to use absolute debugfs pathMasami Hiramatsu3-5/+5
Use relative path to trigger file instead of absolute debugfs path, because if the user uses tracefs instead of debugfs, it can be mounted at /sys/kernel/tracing. Anyway, since the ftracetest is designed to be run at the tracing directory, user doesn't need to use absolute path. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-09selftests/ftrace: Fix ftrace test cases to check unsupportedMasami Hiramatsu2-0/+7
Since dynamic function tracer can be disabled, set_ftrace_filter can be disappeared. Test cases which depends on it, must check whether the set_ftrace_filter exists or not before testing and if not, return as unsupported. Also, if the function tracer itself is disabled, we can not set "function" to current_tracer. Test cases must check it before testing, and return as unsupported. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-09selftests/ftrace: Fix to check the existence of set_ftrace_filterMasami Hiramatsu1-1/+4
If we run ftracetest on the kernel with CONFIG_DYNAMIC_FTRACE=n, there is no set_ftrace_filter and all test cases are failed, because reset_ftrace_filter() returns an error. Let's check whether set_ftrace_filter exists in reset_ftrace_filter() and clean up only set_ftrace_notrace in initialize_ftrace(). Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds19-86/+154
Pull networking fixes from David Miller: 1) More jumbo frame fixes in r8169, from Heiner Kallweit. 2) Fix bpf build in minimal configuration, from Alexei Starovoitov. 3) Use after free in slcan driver, from Jouni Hogander. 4) Flower classifier port ranges don't work properly in the HW offload case, from Yoshiki Komachi. 5) Use after free in hns3_nic_maybe_stop_tx(), from Yunsheng Lin. 6) Out of bounds access in mqprio_dump(), from Vladyslav Tarasiuk. 7) Fix flow dissection in dsa TX path, from Alexander Lobakin. 8) Stale syncookie timestampe fixes from Guillaume Nault. [ Did an evil merge to silence a warning introduced by this pull - Linus ] * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (84 commits) r8169: fix rtl_hw_jumbo_disable for RTL8168evl net_sched: validate TCA_KIND attribute in tc_chain_tmplt_add() r8169: add missing RX enabling for WoL on RTL8125 vhost/vsock: accept only packets with the right dst_cid net: phy: dp83867: fix hfs boot in rgmii mode net: ethernet: ti: cpsw: fix extra rx interrupt inet: protect against too small mtu values. gre: refetch erspan header from skb->data after pskb_may_pull() pppoe: remove redundant BUG_ON() check in pppoe_pernet tcp: Protect accesses to .ts_recent_stamp with {READ,WRITE}_ONCE() tcp: tighten acceptance of ACKs not matching a child socket tcp: fix rejected syncookies due to stale timestamps lpc_eth: kernel BUG on remove tcp: md5: fix potential overestimation of TCP option space net: sched: allow indirect blocks to bind to clsact in TC net: core: rename indirect block ingress cb function net-sysfs: Call dev_hold always in netdev_queue_add_kobject net: dsa: fix flow dissection on Tx path net/tls: Fix return values to avoid ENOTSUPP net: avoid an indirect call in ____sys_recvmsg() ...
2019-12-07selftests: netfilter: use randomized netns namesFlorian Westphal1-156/+176
Using ns0, ns1, etc. isn't a good idea, they might exist already. Use a random suffix. Also, older nft versions don't support "-" as alias for stdin, so use /dev/stdin instead. Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-12-06net/tls: Fix return values to avoid ENOTSUPPValentin Vidic1-6/+2
ENOTSUPP is not available in userspace, for example: setsockopt failed, 524, Unknown error 524 Signed-off-by: Valentin Vidic <vvidic@valentin-vidic.from.hr> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-04selftests/bpf: Add a fexit/bpf2bpf test with target bpf prog no calleesYonghong Song3-19/+81
The existing fexit_bpf2bpf test covers the target progrm with callees. This patch added a test for the target program without callees. Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20191205010607.177904-1-yhs@fb.com
2019-12-04selftests: add epoll selftestsHeiher4-0/+3083
This adds the promised selftest for epoll. It will verify the wakeups of epoll. Including leaf and nested mode, epoll_wait() and poll() and multi-threads. Link: http://lkml.kernel.org/r/20191009121518.4027-1-r@hev.cc Signed-off-by: hev <r@hev.cc> Reviewed-by: Roman Penyaev <rpenyaev@suse.de> Cc: Jason Baron <jbaron@akamai.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-12-04selftests/bpf: De-flake test_tcpbpfStanislav Fomichev3-7/+20
It looks like BPF program that handles BPF_SOCK_OPS_STATE_CB state can race with the bpf_map_lookup_elem("global_map"); I sometimes see the failures in this test and re-running helps. Since we know that we expect the callback to be called 3 times (one time for listener socket, two times for both ends of the connection), let's export this number and add simple retry logic around that. Also, let's make EXPECT_EQ() not return on failure, but continue evaluating all conditions; that should make potential debugging easier. With this fix in place I don't observe the flakiness anymore. Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Cc: Lawrence Brakmo <brakmo@fb.com> Link: https://lore.kernel.org/bpf/20191204190955.170934-1-sdf@google.com
2019-12-04selftests/bpf: Bring back c++ include/link testStanislav Fomichev5-6/+7
Commit 5c26f9a78358 ("libbpf: Don't use cxx to test_libpf target") converted existing c++ test to c. We still want to include and link against libbpf from c++ code, so reinstate this test back, this time in a form of a selftest with a clear comment about its purpose. v2: * -lelf -> $(LDLIBS) (Andrii Nakryiko) Fixes: 5c26f9a78358 ("libbpf: Don't use cxx to test_libpf target") Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20191202215931.248178-1-sdf@google.com
2019-12-04selftests/bpf: Don't hard-code root cgroup idStanislav Fomichev1-1/+1
Commit 40430452fd5d ("kernfs: use 64bit inos if ino_t is 64bit") changed the way cgroup ids are exposed to the userspace. Instead of assuming fixed root id, let's query it. Fixes: 40430452fd5d ("kernfs: use 64bit inos if ino_t is 64bit") Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20191202200143.250793-1-sdf@google.com
2019-12-04tools headers UAPI: Update tools's copy of drm.h headersArnaldo Carvalho de Melo1-1/+2
Picking the changes from: 2093dea3def9 ("drm/syncobj: extend syncobj query ability v3") Which doesn't affect tooling, just silences this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h' diff -u tools/include/uapi/drm/drm.h include/uapi/drm/drm.h Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Christian König <christian.koenig@amd.com> Cc: Chunming Zhou <david1.zhou@amd.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-t1xqmjffo4rxdw395dsnu34j@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-04tools headers UAPI: Sync drm/i915_drm.h with the kernel sourcesArnaldo Carvalho de Melo1-3/+125
To pick the change in: a0e047156cde ("drm/i915/gem: Make context persistence optional") 9cd20ef7803c ("drm/i915/perf: allow holding preemption on filtered ctx") 7831e9a965ea ("drm/i915/perf: Allow dynamic reconfiguration of the OA stream") 4f6ccc74a85c ("drm/i915: add support for perf configuration queries") b8d49f28aa03 ("drm/i915/perf: introduce a versioning of the i915-perf uapi") 601734f7aabd ("drm/i915/tgl: s/ss/eu fuse reading support") That don't result in any changes in tooling, just silences this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/drm/i915_drm.h' differs from latest version at 'include/uapi/drm/i915_drm.h' diff -u tools/include/uapi/drm/i915_drm.h include/uapi/drm/i915_drm.h Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-qwzjrgwj55y3g6rjdf9spkpr@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-04perf inject: Fix processing of ID index for injected instruction tracingAdrian Hunter1-12/+1
The ID index event is used when decoding, but can result in the following error: $ perf record --aux-sample -e '{intel_pt//,branch-misses}:u' ls $ perf inject -i perf.data -o perf.data.inj --itrace=be $ perf script -i perf.data.inj 0x1020 [0x410]: failed to process type: 69 [No such file or directory] Fix by having 'perf inject' drop the ID index event. Fixes: c0a6de06c446 ("perf record: Add support for AUX area sampling") Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/20191204120800.8138-1-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-04perf report: Bail out --mem-mode if mem info is not availableRavi Bangoria1-0/+8
If perf.data is recorded without -d, don't allow user to use --mem-mode with 'perf report'. symbol_daddr and phys_daddr can be recorded separately and may be present in the perf.data but at the report time they are associated with mem-mode fields and thus this restriction applies to them as well. Before: $ perf record ls $ perf report --mem-mode --stdio # Overhead Local Weight Memory access Symbol # ........ ............ ............. ....................... 55.56% 0 N/A [k] 0xffffffff81a00ae7 After: $ perf report --mem-mode --stdio Error: Selected --mem-mode but no mem data. Did you call perf record without -d? Suggested-by: Arnaldo Carvalho de Melo <acme@kernel.org> Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lore.kernel.org/lkml/20191114132213.5419-4-ravi.bangoria@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-04perf report: Make -F more strict like -sRavi Bangoria1-0/+6
Currently -F allows branch-mode / mem-mode fields with -F even when perf report is not running in that mode. Don't allow that. Suggested-by: Arnaldo Carvalho de Melo <acme@kernel.org> Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lore.kernel.org/lkml/20191114132213.5419-3-ravi.bangoria@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-04perf report/top TUI: Replace pr_err() with ui__error()Ravi Bangoria1-5/+5
pr_err() in TUI mode does not print anyting on the screen and just quits. Replace such pr_err() with ui__error(). Before: $ perf report -s + $ After: $ perf report -s + ┌─Error:────────────────┐ │Invalid --sort key: `+'│ │ │ │Press any key... │ └───────────────────────┘ Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lore.kernel.org/lkml/20191114132213.5419-2-ravi.bangoria@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-04Merge tag 'perf-core-for-mingo-5.5-20191203' of ↵Ingo Molnar42-229/+789
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: perf report/top: - Fix segfault due to missing initialization of recently introduced struct map_symbol 'maps' field in append_inlines(), when running with DWARF callchains. perf stat: Andi Kleen: - Affinity based optimizations for sessions with many events in machines with large core counts, avoiding excessive number of IPIs. libtraceevent: - Sudip Mukherjee: - Fix installation with O=. - Copy pkg-config file to output folder when using O=. perf bench: Arnaldo Carvalho de Melo: - Update the copies of x86's mem{cpy,set}_64.S, and because that now uses new stuff in linux/linkage.h, update that header too, which made the minimal clang version to build perf to be 3.5, as 3.4 as found in some of the container images used to test build perf can't grok STT_FUNC as a token in .type lines. ABI headers: Arnaldo Carvalho de Melo: - Sync x86's msr-index.h copy with the kernel sources, resulting in new MSRs to be usable in filter expressions in 'perf trace', such as IA32_TSX_CTRL. - Sync linux/fscrypt.h, linux/stat.h, sched.h and the kvm headers. perf trace: Arnaldo Carvalho de Melo: - Add CLEAR_SIGHAND support for clone's flags arg perf kvm: Arnaldo Carvalho de Melo: - Clarify the 'perf kvm' -i and -o command line options perf test: Ian Rogers: - Move test functionality in to a 'perf test' entry. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-12-03Merge tag 'pci-v5.5-changes' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: "Enumeration: - Warn if a host bridge has no NUMA info (Yunsheng Lin) - Add PCI_STD_NUM_BARS for the number of standard BARs (Denis Efremov) Resource management: - Fix boot-time Embedded Controller GPE storm caused by incorrect resource assignment after ACPI Bus Check Notification (Mika Westerberg) - Protect pci_reassign_bridge_resources() against concurrent addition/removal (Benjamin Herrenschmidt) - Fix bridge dma_ranges resource list cleanup (Rob Herring) - Add "pci=hpmmiosize" and "pci=hpmmioprefsize" parameters to control the MMIO and prefetchable MMIO window sizes of hotplug bridges independently (Nicholas Johnson) - Fix MMIO/MMIO_PREF window assignment that assigned more space than desired (Nicholas Johnson) - Only enforce bus numbers from bridge EA if the bridge has EA devices downstream (Subbaraya Sundeep) - Consolidate DT "dma-ranges" parsing and convert all host drivers to use shared parsing (Rob Herring) Error reporting: - Restore AER capability after resume (Mayurkumar Patel) - Add PoisonTLPBlocked AER counter (Rajat Jain) - Use for_each_set_bit() to simplify AER code (Andy Shevchenko) - Fix AER kernel-doc (Andy Shevchenko) - Add "pcie_ports=dpc-native" parameter to allow native use of DPC even if platform didn't grant control over AER (Olof Johansson) Hotplug: - Avoid returning prematurely from sysfs requests to enable or disable a PCIe hotplug slot (Lukas Wunner) - Don't disable interrupts twice when suspending hotplug ports (Mika Westerberg) - Fix deadlocks when PCIe ports are hot-removed while suspended (Mika Westerberg) Power management: - Remove unnecessary ASPM locking (Bjorn Helgaas) - Add support for disabling L1 PM Substates (Heiner Kallweit) - Allow re-enabling Clock PM after it has been disabled (Heiner Kallweit) - Add sysfs attributes for controlling ASPM link states (Heiner Kallweit) - Remove CONFIG_PCIEASPM_DEBUG, including "link_state" and "clk_ctl" sysfs files (Heiner Kallweit) - Avoid AMD FCH XHCI USB PME# from D0 defect that prevents wakeup on USB 2.0 or 1.1 connect events (Kai-Heng Feng) - Move power state check out of pci_msi_supported() (Bjorn Helgaas) - Fix incorrect MSI-X masking on resume and revert related nvme quirk for Kingston NVME SSD running FW E8FK11.T (Jian-Hong Pan) - Always return devices to D0 when thawing to fix hibernation with drivers like mlx4 that used legacy power management (previously we only did it for drivers with new power management ops) (Dexuan Cui) - Clear PCIe PME Status even for legacy power management (Bjorn Helgaas) - Fix PCI PM documentation errors (Bjorn Helgaas) - Use dev_printk() for more power management messages (Bjorn Helgaas) - Apply D2 delay as milliseconds, not microseconds (Bjorn Helgaas) - Convert xen-platform from legacy to generic power management (Bjorn Helgaas) - Removed unused .resume_early() and .suspend_late() legacy power management hooks (Bjorn Helgaas) - Rearrange power management code for clarity (Rafael J. Wysocki) - Decode power states more clearly ("4" or "D4" really refers to "D3cold") (Bjorn Helgaas) - Notice when reading PM Control register returns an error (~0) instead of interpreting it as being in D3hot (Bjorn Helgaas) - Add missing link delays required by the PCIe spec (Mika Westerberg) Virtualization: - Move pci_prg_resp_pasid_required() to CONFIG_PCI_PRI (Bjorn Helgaas) - Allow VFs to use PRI (the PF PRI is shared by the VFs, but the code previously didn't recognize that) (Kuppuswamy Sathyanarayanan) - Allow VFs to use PASID (the PF PASID capability is shared by the VFs, but the code previously didn't recognize that) (Kuppuswamy Sathyanarayanan) - Disconnect PF and VF ATS enablement, since ATS in PFs and associated VFs can be enabled independently (Kuppuswamy Sathyanarayanan) - Cache PRI and PASID capability offsets (Kuppuswamy Sathyanarayanan) - Cache the PRI PRG Response PASID Required bit (Bjorn Helgaas) - Consolidate ATS declarations in linux/pci-ats.h (Krzysztof Wilczynski) - Remove unused PRI and PASID stubs (Bjorn Helgaas) - Removed unnecessary EXPORT_SYMBOL_GPL() from ATS, PRI, and PASID interfaces that are only used by built-in IOMMU drivers (Bjorn Helgaas) - Hide PRI and PASID state restoration functions used only inside the PCI core (Bjorn Helgaas) - Add a DMA alias quirk for the Intel VCA NTB (Slawomir Pawlowski) - Serialize sysfs sriov_numvfs reads vs writes (Pierre Crégut) - Update Cavium ACS quirk for ThunderX2 and ThunderX3 (George Cherian) - Fix the UPDCR register address in the Intel ACS quirk (Steffen Liebergeld) - Unify ACS quirk implementations (Bjorn Helgaas) Amlogic Meson host bridge driver: - Fix meson PERST# GPIO polarity problem (Remi Pommarel) - Add DT bindings for Amlogic Meson G12A (Neil Armstrong) - Fix meson clock names to match DT bindings (Neil Armstrong) - Add meson support for Amlogic G12A SoC with separate shared PHY (Neil Armstrong) - Add meson extended PCIe PHY functions for Amlogic G12A USB3+PCIe combo PHY (Neil Armstrong) - Add arm64 DT for Amlogic G12A PCIe controller node (Neil Armstrong) - Add commented-out description of VIM3 USB3/PCIe mux in arm64 DT (Neil Armstrong) Broadcom iProc host bridge driver: - Invalidate iProc PAXB address mapping before programming it (Abhishek Shah) - Fix iproc-msi and mvebu __iomem annotations (Ben Dooks) Cadence host bridge driver: - Refactor Cadence PCIe host controller to use as a library for both host and endpoint (Tom Joseph) Freescale Layerscape host bridge driver: - Add layerscape LS1028a support (Xiaowei Bao) Intel VMD host bridge driver: - Add VMD bus 224-255 restriction decode (Jon Derrick) - Add VMD 8086:9A0B device ID (Jon Derrick) - Remove Keith from VMD maintainer list (Keith Busch) Marvell ARMADA 3700 / Aardvark host bridge driver: - Use LTSSM state to build link training flag since Aardvark doesn't implement the Link Training bit (Remi Pommarel) - Delay before training Aardvark link in case PERST# was asserted before the driver probe (Remi Pommarel) - Fix Aardvark issues with Root Control reads and writes (Remi Pommarel) - Don't rely on jiffies in Aardvark config access path since interrupts may be disabled (Remi Pommarel) - Fix Aardvark big-endian support (Grzegorz Jaszczyk) Marvell ARMADA 370 / XP host bridge driver: - Make mvebu_pci_bridge_emul_ops static (Ben Dooks) Microsoft Hyper-V host bridge driver: - Add hibernation support for Hyper-V virtual PCI devices (Dexuan Cui) - Track Hyper-V pci_protocol_version per-hbus, not globally (Dexuan Cui) - Avoid kmemleak false positive on hv hbus buffer (Dexuan Cui) Mobiveil host bridge driver: - Change mobiveil csr_read()/write() function names that conflict with riscv arch functions (Kefeng Wang) NVIDIA Tegra host bridge driver: - Fix Tegra CLKREQ dependency programming (Vidya Sagar) Renesas R-Car host bridge driver: - Remove unnecessary header include from rcar (Andrew Murray) - Tighten register index checking for rcar inbound range programming (Marek Vasut) - Fix rcar inbound range alignment calculation to improve packing of multiple entries (Marek Vasut) - Update rcar MACCTLR setting to match documentation (Yoshihiro Shimoda) - Clear bit 0 of MACCTLR before PCIETCTLR.CFINIT per manual (Yoshihiro Shimoda) - Add Marek Vasut and Yoshihiro Shimoda as R-Car maintainers (Simon Horman) Rockchip host bridge driver: - Make rockchip 0V9 and 1V8 power regulators non-optional (Robin Murphy) Socionext UniPhier host bridge driver: - Set uniphier to host (RC) mode always (Kunihiko Hayashi) Endpoint drivers: - Fix endpoint driver sign extension problem when shifting page number to phys_addr_t (Alan Mikhak) Misc: - Add NumaChip SPDX header (Krzysztof Wilczynski) - Replace EXTRA_CFLAGS with ccflags-y (Krzysztof Wilczynski) - Remove unused includes (Krzysztof Wilczynski) - Removed unused sysfs attribute groups (Ben Dooks) - Remove PTM and ASPM dependencies on PCIEPORTBUS (Bjorn Helgaas) - Add PCIe Link Control 2 register field definitions to replace magic numbers in AMDGPU and Radeon CIK/SI (Bjorn Helgaas) - Fix incorrect Link Control 2 Transmit Margin usage in AMDGPU and Radeon CIK/SI PCIe Gen3 link training (Bjorn Helgaas) - Use pcie_capability_read_word() instead of pci_read_config_word() in AMDGPU and Radeon CIK/SI (Frederick Lawler) - Remove unused pci_irq_get_node() Greg Kroah-Hartman) - Make asm/msi.h mandatory and simplify PCI_MSI_IRQ_DOMAIN Kconfig (Palmer Dabbelt, Michal Simek) - Read all 64 bits of Switchtec part_event_bitmap (Logan Gunthorpe) - Fix erroneous intel-iommu dependency on CONFIG_AMD_IOMMU (Bjorn Helgaas) - Fix bridge emulation big-endian support (Grzegorz Jaszczyk) - Fix dwc find_next_bit() usage (Niklas Cassel) - Fix pcitest.c fd leak (Hewenliang) - Fix typos and comments (Bjorn Helgaas) - Fix Kconfig whitespace errors (Krzysztof Kozlowski)" * tag 'pci-v5.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (160 commits) PCI: Remove PCI_MSI_IRQ_DOMAIN architecture whitelist asm-generic: Make msi.h a mandatory include/asm header Revert "nvme: Add quirk for Kingston NVME SSD running FW E8FK11.T" PCI/MSI: Fix incorrect MSI-X masking on resume PCI/MSI: Move power state check out of pci_msi_supported() PCI/MSI: Remove unused pci_irq_get_node() PCI: hv: Avoid a kmemleak false positive caused by the hbus buffer PCI: hv: Change pci_protocol_version to per-hbus PCI: hv: Add hibernation support PCI: hv: Reorganize the code in preparation of hibernation MAINTAINERS: Remove Keith from VMD maintainer PCI/ASPM: Remove PCIEASPM_DEBUG Kconfig option and related code PCI/ASPM: Add sysfs attributes for controlling ASPM link states PCI: Fix indentation drm/radeon: Prefer pcie_capability_read_word() drm/radeon: Replace numbers with PCI_EXP_LNKCTL2 definitions drm/radeon: Correct Transmit Margin masks drm/amdgpu: Prefer pcie_capability_read_word() PCI: uniphier: Set mode register to host mode drm/amdgpu: Replace numbers with PCI_EXP_LNKCTL2 definitions ...
2019-12-02Merge tag 'linux-kselftest-5.5-rc1-fixes2' of ↵Linus Torvalds1-3/+2
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull more kselftest fixes from Shuah Khan: "This second Kselftest fixes update for Linux 5.5-rc1 consists of an urgent revert to fix regression in CI coverage" * tag 'linux-kselftest-5.5-rc1-fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: Revert "selftests: Fix O= and KBUILD_OUTPUT handling for relative paths"
2019-12-02libtraceevent: Copy pkg-config file to output folder when using O=Sudip Mukherjee1-2/+3
When we use 'O=' with make to build libtraceevent in a separate folder it still copies 'libtraceevent.pc' to its source folder. Modify the Makefile so that it uses the output folder to copy the pkg-config file and install from there. Signed-off-by: Sudipm Mukherjee <sudipm.mukherjee@gmail.com> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: linux-trace-devel@vger.kernel.org Link: http://lore.kernel.org/lkml/20191115113610.21493-2-sudipm.mukherjee@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02libtraceevent: Fix lib installation with O=Sudip Mukherjee1-0/+1
When we use 'O=' with make to build libtraceevent in a separate folder it fails to install libtraceevent.a and libtraceevent.so.1.1.0 with the error: INSTALL /home/sudip/linux/obj-trace/libtraceevent.a INSTALL /home/sudip/linux/obj-trace/libtraceevent.so.1.1.0 cp: cannot stat 'libtraceevent.a': No such file or directory Makefile:225: recipe for target 'install_lib' failed make: *** [install_lib] Error 1 I used the command: make O=../../../obj-trace DESTDIR=~/test prefix==/usr install It turns out libtraceevent Makefile, even though it builds in a separate folder, searches for libtraceevent.a and libtraceevent.so.1.1.0 in its source folder. So, add the 'OUTPUT' prefix to the source path so that 'make' looks for the files in the correct place. Signed-off-by: Sudipm Mukherjee <sudipm.mukherjee@gmail.com> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: linux-trace-devel@vger.kernel.org Link: http://lore.kernel.org/lkml/20191115113610.21493-1-sudipm.mukherjee@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller7-47/+43
Daniel Borkmann says: ==================== pull-request: bpf 2019-12-02 The following pull-request contains BPF updates for your *net* tree. We've added 10 non-merge commits during the last 6 day(s) which contain a total of 10 files changed, 60 insertions(+), 51 deletions(-). The main changes are: 1) Fix vmlinux BTF generation for binutils pre v2.25, from Stanislav Fomichev. 2) Fix libbpf global variable relocation to take symbol's st_value offset into account, from Andrii Nakryiko. 3) Fix libbpf build on powerpc where check_abi target fails due to different readelf output format, from Aurelien Jarno. 4) Don't set BPF insns RO for the case when they are JITed in order to avoid fragmenting the direct map, from Daniel Borkmann. 5) Fix static checker warning in btf_distill_func_proto() as well as a build error due to empty enum when BPF is compiled out, from Alexei Starovoitov. 6) Fix up generation of bpf_helper_defs.h for perf, from Arnaldo Carvalho de Melo. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-02perf kvm: Clarify the 'perf kvm' -i and -o command line optionsArnaldo Carvalho de Melo1-2/+3
The 'perf kvm' subcommand has options that it in turn passes to other perf subcommands such as 'report' and 'record', particularly -i and -o end up setting the same variable that will then be used for 'record's -o and report '-i', which ends up being confusing, leading some to think that both -i and -o can be used with 'report'. Improve the man page to state that -i is used with the post-processing subcommands while -o is used just with 'record' and that to save the output of 'report' one should simply redirect its output to a file. Noticed while reading the https://www.linux-kvm.org/page/Perf_events page. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Steve Dickson <steved@redhat.com> Cc: William Cohen <wcohen@redhat.com> Link: https://lkml.kernel.org/n/tip-tclbttvmgtm525fvmh85f7d9@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02tools arch x86: Sync asm/cpufeatures.h with the kernel sourcesArnaldo Carvalho de Melo1-0/+3
To pick up the changes from: a25bbc2644f0 ("Merge branches 'x86-cpu-for-linus' and 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip") db4d30fbb71b ("x86/bugs: Add ITLB_MULTIHIT bug infrastructure") 1b42f017415b ("x86/speculation/taa: Add mitigation for TSX Async Abort") 9d40b85bb46a ("x86/cpufeatures: Add feature bit RDPRU on AMD") These don't cause any changes in tooling, just silences this perf build warning: Warning: Kernel ABI header at 'tools/arch/x86/include/asm/cpufeatures.h' differs from latest version at 'arch/x86/include/asm/cpufeatures.h' diff -u tools/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Babu Moger <babu.moger@amd.com> Cc: Borislav Petkov <bp@suse.de> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vineela Tummalapalli <vineela.tummalapalli@intel.com> Link: https://lkml.kernel.org/n/tip-yufg9yt2nbkh45r9xvxnnscq@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02perf beauty: Add CLEAR_SIGHAND support for clone's flags argArnaldo Carvalho de Melo1-0/+1
Add support for the recently added CLONE_CLEAR_SIGHAND flag. This takes advantage of the copy of the uapi/linux/sched.h we have in tools/include, which allows us to build tools/perf in older systems and have the binary support printing that flag whenever that system gets its kernel updated to one where this feature is present. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Adrian Reber <areber@redhat.com> Cc: Christian Brauner <christian.brauner@ubuntu.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org Link: https://lkml.kernel.org/n/tip-1vnz497ubtu5oz16ygdcul0e@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02tools headers UAPI: Sync sched.h with the kernelArnaldo Carvalho de Melo1-18/+42
To get the changes in: 0acefef58451 ("Merge tag 'threads-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux") 49cb2fc42ce4 ("fork: extend clone3() to support setting a PID") fa729c4df558 ("clone3: validate stack arguments") b612e5df4587 ("clone3: add CLONE_CLEAR_SIGHAND") This file gets rebuilt, but no changes ensues: CC /tmp/build/perf/trace/beauty/clone.o This addresses this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/sched.h' differs from latest version at 'include/uapi/linux/sched.h' diff -u tools/include/uapi/linux/sched.h include/uapi/linux/sched. The CLONE_CLEAR_SIGHAND one will be used in tools/perf/trace/beauty/clone.c in a followup patch to show that string when this bit is set in the syscall arg. Keeping a copy of this file allows us to build this in older systems and have the binary support printing that flag whenever that system gets its kernel updated to one where this feature is present. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Adrian Reber <areber@redhat.com> Cc: Christian Brauner <christian.brauner@ubuntu.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-nprqsvvzbhzoy64cbvos6c5b@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02tools headers kvm: Sync kvm headers with the kernel sourcesArnaldo Carvalho de Melo4-2/+20
To pick up the changes from: 14edff88315a Merge tag 'kvmarm-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD a4b28f5c6798 Merge remote-tracking branch 'kvmarm/kvm-arm64/stolen-time' into kvmarm-master/next 58772e9a3db7 ("KVM: arm64: Provide VCPU attributes for stolen time") da345174ceca ("KVM: arm/arm64: Allow user injection of external data aborts") c726200dd106 ("KVM: arm/arm64: Allow reporting non-ISV data aborts to userspace") efe5ddcae496 ("KVM: PPC: Book3S HV: XIVE: Allow userspace to set the # of VPs") No tools changes are caused by this, as the only defines so far used from these files are for syscall arg pretty printing are: $ grep KVM tools/perf/trace/beauty/*.sh tools/perf/trace/beauty/kvm_ioctl.sh:regex='^#[[:space:]]*define[[:space:]]+KVM_(\w+)[[:space:]]+_IO[RW]*\([[:space:]]*KVMIO[[:space:]]*,[[:space:]]*(0x[[:xdigit:]]+).*' $ Some are also include by: tools/perf/arch/x86/util/kvm-stat.c tools/perf/arch/powerpc/util/kvm-stat.c This addresses these tools/perf build warnings: Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from latest version at 'include/uapi/linux/kvm.h' diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h Warning: Kernel ABI header at 'tools/arch/powerpc/include/uapi/asm/kvm.h' differs from latest version at 'arch/powerpc/include/uapi/asm/kvm.h' diff -u tools/arch/powerpc/include/uapi/asm/kvm.h arch/powerpc/include/uapi/asm/kvm.h Warning: Kernel ABI header at 'tools/arch/arm/include/uapi/asm/kvm.h' differs from latest version at 'arch/arm/include/uapi/asm/kvm.h' diff -u tools/arch/arm/include/uapi/asm/kvm.h arch/arm/include/uapi/asm/kvm.h Warning: Kernel ABI header at 'tools/arch/arm64/include/uapi/asm/kvm.h' differs from latest version at 'arch/arm64/include/uapi/asm/kvm.h' diff -u tools/arch/arm64/include/uapi/asm/kvm.h arch/arm64/include/uapi/asm/kvm.h Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Christoffer Dall <christoffer.dall@arm.com> Cc: Fabiano Rosas <farosas@linux.ibm.com> Cc: Greg Kurz <groug@kaod.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Marc Zyngier <maz@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@ozlabs.org> Cc: Steven Price <steven.price@arm.com> Link: https://lkml.kernel.org/n/tip-qrjdudhq25mk5bfnhveofbm4@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02tools headers uapi: Sync linux/stat.h with the kernel sourcesArnaldo Carvalho de Melo1-1/+1
To pick the changes from: 3ad2522c64cf ("statx: define STATX_ATTR_VERITY") That don't trigger any changes in tooling. This silences this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/stat.h' differs from latest version at 'include/uapi/linux/stat.h' diff -u tools/include/uapi/linux/stat.h include/uapi/linux/stat.h At some point we wi'll beautify structs passed in pointers to syscalls and then we'll need to have tables for these defines, for now update the file to silence the warning as this file is used for doing this type of number -> string translations for other defines found in these file. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Eric Biggers <ebiggers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-thcy60dpry5qrpn7nmc58bwg@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02tools headers uapi: Sync linux/fscrypt.h with the kernel sourcesArnaldo Carvalho de Melo1-1/+2
To pick the changes from: b103fb7653ff ("fscrypt: add support for IV_INO_LBLK_64 policies") That don't trigger any changes in tooling. This silences this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs from latest version at 'include/uapi/linux/fscrypt.h' diff -u tools/include/uapi/linux/fscrypt.h include/uapi/linux/fscrypt.h Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Eric Biggers <ebiggers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-cgfz3ffe07pw2m8hmstvkudl@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02tools arch x86: Sync the msr-index.h copy with the kernel sourcesArnaldo Carvalho de Melo1-0/+18
To pick up the changes from these csets: 3f3c8be973af Merge tag 'for-linus-5.5a-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip 4e3f77d8419b ("xen/mcelog: add PPIN to record when available") db4d30fbb71b ("x86/bugs: Add ITLB_MULTIHIT bug infrastructure") 1b42f017415b ("x86/speculation/taa: Add mitigation for TSX Async Abort") c2955f270a84 ("x86/msr: Add the IA32_TSX_CTRL MSR") These are the changes in tooling that this udpate ensues: $ tools/perf/trace/beauty/tracepoints/x86_msr.sh > /tmp/before $ $ cp arch/x86/include/asm/msr-index.h tools/arch/x86/include/asm/msr-index.h $ $ tools/perf/trace/beauty/tracepoints/x86_msr.sh > /tmp/after $ diff -u /tmp/before /tmp/after --- /tmp/before 2019-12-02 11:54:44.371035723 -0300 +++ /tmp/after 2019-12-02 11:55:31.847859784 -0300 @@ -48,6 +48,7 @@ [0x00000119] = "IA32_BBL_CR_CTL", [0x0000011e] = "IA32_BBL_CR_CTL3", [0x00000120] = "IDT_MCR_CTRL", + [0x00000122] = "IA32_TSX_CTRL", [0x00000140] = "MISC_FEATURES_ENABLES", [0x00000174] = "IA32_SYSENTER_CS", [0x00000175] = "IA32_SYSENTER_ESP", @@ -283,4 +284,6 @@ [0xc0010240 - x86_AMD_V_KVM_MSRs_offset] = "F15H_NB_PERF_CTL", [0xc0010241 - x86_AMD_V_KVM_MSRs_offset] = "F15H_NB_PERF_CTR", [0xc0010280 - x86_AMD_V_KVM_MSRs_offset] = "F15H_PTSC", + [0xc00102f0 - x86_AMD_V_KVM_MSRs_offset] = "AMD_PPIN_CTL", + [0xc00102f1 - x86_AMD_V_KVM_MSRs_offset] = "AMD_PPIN", }; $ CC /tmp/build/perf/trace/beauty/tracepoints/x86_msr.o LD /tmp/build/perf/trace/beauty/tracepoints/perf-in.o LD /tmp/build/perf/trace/beauty/perf-in.o LD /tmp/build/perf/perf-in.o Now it is possible to use these strings when setting up filters for the msr:* tracepoints, like: # perf trace -e msr:* --filter=msr==IA32_TSX_CTRL ^C[root@quaco ~]# If we use an invalid operator we can check what is the filter that is put in place: # perf trace -e msr:* --filter=msr=IA32_TSX_CTRL Failed to set filter "(msr=0x122) && (common_pid != 25976 && common_pid != 25860)" on event msr:read_msr with 22 (Invalid argument) One can as well use -v to see the tracepoints and its filters: # perf trace -v -e msr:* --filter=msr==IA32_TSX_CTRL Using CPUID GenuineIntel-6-8E-A New filter for msr:read_msr: (msr==0x122) && (common_pid != 26110 && common_pid != 25860) New filter for msr:write_msr: (msr==0x122) && (common_pid != 26110 && common_pid != 25860) New filter for msr:rdpmc: (msr==0x122) && (common_pid != 26110 && common_pid != 25860) mmap size 528384B ^C# Better than keep looking up those numbers, works with callchains as well, e.g. for something more common: # perf trace -e msr:*/max-stack=16/ --filter="msr==IA32_SPEC_CTRL" --max-events=2 0.000 SCTP timer/6158 msr:write_msr(msr: IA32_SPEC_CTRL, val: 6) do_trace_write_msr ([kernel.kallsyms]) do_trace_write_msr ([kernel.kallsyms]) __switch_to_xtra ([kernel.kallsyms]) __switch_to ([kernel.kallsyms]) __sched_text_start ([kernel.kallsyms]) schedule ([kernel.kallsyms]) schedule_hrtimeout_range_clock ([kernel.kallsyms]) poll_schedule_timeout.constprop.0 ([kernel.kallsyms]) do_select ([kernel.kallsyms]) core_sys_select ([kernel.kallsyms]) kern_select ([kernel.kallsyms]) __x64_sys_select ([kernel.kallsyms]) do_syscall_64 ([kernel.kallsyms]) entry_SYSCALL_64 ([kernel.kallsyms]) __select (/usr/lib64/libc-2.29.so) [0] ([unknown]) 0.024 :0/0 msr:write_msr(msr: IA32_SPEC_CTRL) do_trace_write_msr ([kernel.kallsyms]) do_trace_write_msr ([kernel.kallsyms]) __switch_to_xtra ([kernel.kallsyms]) __switch_to ([kernel.kallsyms]) __sched_text_start ([kernel.kallsyms]) schedule_idle ([kernel.kallsyms]) do_idle ([kernel.kallsyms]) cpu_startup_entry ([kernel.kallsyms]) start_secondary ([kernel.kallsyms]) [0x2000d4] ([kernel.kallsyms]) # Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jan Beulich <jbeulich@suse.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Juergen Gross <jgross@suse.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vineela Tummalapalli <vineela.tummalapalli@intel.com> Link: https://lkml.kernel.org/n/tip-n1xd78fpd5lxn4q1brqi2jl6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02perf bench: Update the copies of x86's mem{cpy,set}_64.SArnaldo Carvalho de Melo7-31/+114
And update linux/linkage.h, which requires in turn that we make these files switch from ENTRY()/ENDPROC() to SYM_FUNC_START()/SYM_FUNC_END(): tools/perf/arch/arm64/tests/regs_load.S tools/perf/arch/arm/tests/regs_load.S tools/perf/arch/powerpc/tests/regs_load.S tools/perf/arch/x86/tests/regs_load.S We also need to switch SYM_FUNC_START_LOCAL() to SYM_FUNC_START() for the functions used directly by 'perf bench', and update tools/perf/check_headers.sh to ignore those changes when checking if the kernel original files drifted from the copies we carry. This is to get the changes from: 6dcc5627f6ae ("x86/asm: Change all ENTRY+ENDPROC to SYM_FUNC_*") ef1e03152cb0 ("x86/asm: Make some functions local") e9b9d020c487 ("x86/asm: Annotate aliases") And address these tools/perf build warnings: Warning: Kernel ABI header at 'tools/arch/x86/lib/memcpy_64.S' differs from latest version at 'arch/x86/lib/memcpy_64.S' diff -u tools/arch/x86/lib/memcpy_64.S arch/x86/lib/memcpy_64.S Warning: Kernel ABI header at 'tools/arch/x86/lib/memset_64.S' differs from latest version at 'arch/x86/lib/memset_64.S' diff -u tools/arch/x86/lib/memset_64.S arch/x86/lib/memset_64.S Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-tay3l8x8k11p7y3qcpqh9qh5@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-02libbpf: Fix readelf output parsing on powerpc with recent binutilsAurelien Jarno1-2/+2
On powerpc with recent versions of binutils, readelf outputs an extra field when dumping the symbols of an object file. For example: 35: 0000000000000838 96 FUNC LOCAL DEFAULT [<localentry>: 8] 1 btf_is_struct The extra "[<localentry>: 8]" prevents the GLOBAL_SYM_COUNT variable to be computed correctly and causes the check_abi target to fail. Fix that by looking for the symbol name in the last field instead of the 8th one. This way it should also cope with future extra fields. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/bpf/20191201195728.4161537-1-aurelien@aurel32.net
2019-12-01Merge branch 'akpm' (patches from Andrew)Linus Torvalds2-0/+37
Merge updates from Andrew Morton: "Incoming: - a small number of updates to scripts/, ocfs2 and fs/buffer.c - most of MM I still have quite a lot of material (mostly not MM) staged after linux-next due to -next dependencies. I'll send those across next week as the preprequisites get merged up" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (135 commits) mm/page_io.c: annotate refault stalls from swap_readpage mm/Kconfig: fix trivial help text punctuation mm/Kconfig: fix indentation mm/memory_hotplug.c: remove __online_page_set_limits() mm: fix typos in comments when calling __SetPageUptodate() mm: fix struct member name in function comments mm/shmem.c: cast the type of unmap_start to u64 mm: shmem: use proper gfp flags for shmem_writepage() mm/shmem.c: make array 'values' static const, makes object smaller userfaultfd: require CAP_SYS_PTRACE for UFFD_FEATURE_EVENT_FORK fs/userfaultfd.c: wp: clear VM_UFFD_MISSING or VM_UFFD_WP during userfaultfd_register() userfaultfd: wrap the common dst_vma check into an inlined function userfaultfd: remove unnecessary WARN_ON() in __mcopy_atomic_hugetlb() userfaultfd: use vma_pagesize for all huge page size calculation mm/madvise.c: use PAGE_ALIGN[ED] for range checking mm/madvise.c: replace with page_size() in madvise_inject_error() mm/mmap.c: make vma_merge() comment more easy to understand mm/hwpoison-inject: use DEFINE_DEBUGFS_ATTRIBUTE to define debugfs fops autonuma: reduce cache footprint when scanning page tables autonuma: fix watermark checking in migrate_balanced_pgdat() ...
2019-12-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds5-31/+122
Pull networking fixes from David Miller: 1) Fix several scatter gather list issues in kTLS code, from Jakub Kicinski. 2) macb driver device remove has to kill the hresp_err_tasklet. From Chuhong Yuan. 3) Several memory leak and reference count bug fixes in tipc, from Tung Nguyen. 4) Fix mlx5 build error w/o ipv6, from Yue Haibing. 5) Fix jumbo frame and other regressions in r8169, from Heiner Kallweit. 6) Undo some BUG_ON()'s and replace them with WARN_ON_ONCE and proper error propagation/handling. From Paolo Abeni. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (24 commits) openvswitch: remove another BUG_ON() openvswitch: drop unneeded BUG_ON() in ovs_flow_cmd_build_info() net: phy: realtek: fix using paged operations with RTL8105e / RTL8208 r8169: fix resume on cable plug-in r8169: fix jumbo configuration for RTL8168evl net: emulex: benet: indent a Kconfig depends continuation line selftests: forwarding: fix race between packet receive and tc check net: sched: fix `tc -s class show` no bstats on class with nolock subqueues net: ethernet: ti: ale: ensure vlan/mdb deleted when no members net/mlx5e: Fix build error without IPV6 selftests: pmtu: use -oneline for ip route list cache tipc: fix duplicate SYN messages under link congestion tipc: fix wrong timeout input for tipc_wait_for_cond() tipc: fix wrong socket reference counter after tipc_sk_timeout() returns tipc: fix potential memory leak in __tipc_sendmsg() net: macb: add missed tasklet_kill selftests: bpf: correct perror strings selftests: bpf: test_sockmap: handle file creation failures gracefully net/tls: use sg_next() to walk sg entries net/tls: remove the dead inplace_crypto code ...
2019-12-01Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds1-9/+85
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Ingo Molnar: "Various fixes: - Fix the PAT performance regression that downgraded write-combining device memory regions to uncached. - There's been a number of bugs in 32-bit double fault handling - hopefully all fixed now. - Fix an LDT crash - Fix an FPU over-optimization that broke with GCC9 code optimizations. - Misc cleanups" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm/pat: Fix off-by-one bugs in interval tree search x86/ioperm: Save an indentation level in tss_update_io_bitmap() x86/fpu: Don't cache access to fpu_fpregs_owner_ctx x86/entry/32: Remove unused 'restore_all_notrace' local label x86/ptrace: Document FSBASE and GSBASE ABI oddities x86/ptrace: Remove set_segment_reg() implementations for current x86/traps: die() instead of panicking on a double fault x86/doublefault/32: Rewrite the x86_32 #DF handler and unify with 64-bit x86/doublefault/32: Move #DF stack and TSS to cpu_entry_area x86/doublefault/32: Rename doublefault.c to doublefault_32.c x86/traps: Disentangle the 32-bit and 64-bit doublefault code lkdtm: Add a DOUBLE_FAULT crash type on x86 selftests/x86/single_step_syscall: Check SYSENTER directly x86/mm/32: Sync only to VMALLOC_END in vmalloc_sync_all()
2019-12-01Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds65-606/+2198
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: - Make /sys/devices/cpu/rdpmc based RDPMC enforcement more instantaneous - decoder: Update the Intel opcode map - Various tooling fixes, including a few late optimizations and cleanups. * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits) perf script: Fix invalid LBR/binary mismatch error perf script: Fix brstackinsn for AUXTRACE perf affinity: Add infrastructure to save/restore affinity perf pmu: Use file system cache to optimize sysfs access perf regs: Make perf_reg_name() return "unknown" instead of NULL perf diff: Use llabs() with 64-bit values perf diff: Use llabs() with 64-bit values perf/x86: Implement immediate enforcement of /sys/devices/cpu/rdpmc value of 0 perf tools: Allow to link with libbpf dynamicaly perf tests: Rename tests/map_groups.c to tests/maps.c perf tests: Rename thread-mg-share to thread-maps-share perf maps: Rename map_groups.h to maps.h perf maps: Rename 'mg' variables to 'maps' perf map_symbol: Rename ms->mg to ms->maps perf addr_location: Rename al->mg to al->maps perf thread: Rename thread->mg to thread->maps perf maps: Merge 'struct maps' with 'struct map_groups' x86/insn: perf tools: Add some more instructions to the new instructions test x86/insn: Add some more Intel instructions to the opcode map perf map: Remove unused functions ...
2019-12-01Merge tag 'platform-drivers-x86-v5.5-1' of ↵Linus Torvalds4-261/+1090
git://git.infradead.org/linux-platform-drivers-x86 Pull x86 platform driver updates from Andy Shevchenko: - New bootctl driver for Mellanox BlueField SoC. - New driver to support System76 laptops. - Temperature monitoring and fan control on Acer Aspire 7551 is now supported. - Previously the Huawei driver handled only hotkeys. After the conversion to WMI it has been expanded to support newer laptop models. - Big refactoring of intel-speed-select tools allows to use it on Intel CascadeLake-N systems. - Touchscreen support for ezpad 6 m4 and Schneider SCT101CTM tablets - Miscellaneous clean ups and fixes here and there. * tag 'platform-drivers-x86-v5.5-1' of git://git.infradead.org/linux-platform-drivers-x86: (59 commits) platform/x86: hp-wmi: Fix ACPI errors caused by passing 0 as input size platform/x86: hp-wmi: Fix ACPI errors caused by too small buffer platform/x86: intel_pmc_core: Add Comet Lake (CML) platform support to intel_pmc_core driver platform/x86: intel_pmc_core: Fix the SoC naming inconsistency platform/mellanox: Fix Kconfig indentation tools/power/x86/intel-speed-select: Display TRL buckets for just base config level tools/power/x86/intel-speed-select: Ignore missing config level platform/x86: touchscreen_dmi: Add info for the ezpad 6 m4 tablet tools/power/x86/intel-speed-select: Increment version tools/power/x86/intel-speed-select: Use core count for base-freq mask tools/power/x86/intel-speed-select: Support platform with limited Intel(R) Speed Select tools/power/x86/intel-speed-select: Use Frequency weight for CLOS tools/power/x86/intel-speed-select: Make CLOS frequency in MHz tools/power/x86/intel-speed-select: Use mailbox for CLOS_PM_QOS_CONFIG tools/power/x86/intel-speed-select: Auto mode for CLX tools/power/x86/intel-speed-select: Correct CLX-N frequency units tools/power/x86/intel-speed-select: Change display of "avx" to "avx2" tools/power/x86/intel-speed-select: Extend command set for perf-profile Add touchscreen platform data for the Schneider SCT101CTM tablet platform/x86: intel_int0002_vgpio: Pass irqchip when adding gpiochip ...
2019-12-01selftests: vm: add fragment CONFIG_TEST_VMALLOCAnders Roxell1-0/+1
When running test_vmalloc.sh smoke the following print out states that the fragment is missing. # ./test_vmalloc.sh: You must have the following enabled in your kernel: # CONFIG_TEST_VMALLOC=m Rework to add the fragment 'CONFIG_TEST_VMALLOC=m' to the config file. Link: http://lkml.kernel.org/r/20190916095217.19665-1-anders.roxell@linaro.org Fixes: a05ef00c9790 ("selftests/vm: add script helper for CONFIG_TEST_VMALLOC_MODULE") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Cc: Shuah Khan <shuah@kernel.org> Cc: "Uladzislau Rezki (Sony)" <urezki@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-12-01memfd: add test for COW on MAP_PRIVATE and F_SEAL_FUTURE_WRITE mappingsJoel Fernandes (Google)1-0/+36
In this test, the parent and child both have writable private mappings. The test shows that without the patch in this series, the parent and child shared the same memory which is incorrect. In other words, COW needs to be triggered so any writes to child's copy stays local to the child. Link: http://lkml.kernel.org/r/20191107195355.80608-2-joel@joelfernandes.org Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org> Cc: Hugh Dickins <hughd@google.com> Cc: Nicolas Geoffray <ngeoffray@google.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-11-30Merge tag 'seccomp-v5.5-rc1' of ↵Linus Torvalds1-1/+109
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull seccomp updates from Kees Cook: "Mostly this is implementing the new flag SECCOMP_USER_NOTIF_FLAG_CONTINUE, but there are cleanups as well. - implement SECCOMP_USER_NOTIF_FLAG_CONTINUE (Christian Brauner) - fixes to selftests (Christian Brauner) - remove secure_computing() argument (Christian Brauner)" * tag 'seccomp-v5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: seccomp: rework define for SECCOMP_USER_NOTIF_FLAG_CONTINUE seccomp: fix SECCOMP_USER_NOTIF_FLAG_CONTINUE test seccomp: simplify secure_computing() seccomp: test SECCOMP_USER_NOTIF_FLAG_CONTINUE seccomp: add SECCOMP_USER_NOTIF_FLAG_CONTINUE seccomp: avoid overflow in implicit constant conversion
2019-11-30Merge tag 'hyperv-next-signed' of ↵Linus Torvalds1-0/+376
git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux Pull Hyper-V updates from Sasha Levin: - support for new VMBus protocols (Andrea Parri) - hibernation support (Dexuan Cui) - latency testing framework (Branden Bonaby) - decoupling Hyper-V page size from guest page size (Himadri Pandya) * tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (22 commits) Drivers: hv: vmbus: Fix crash handler reset of Hyper-V synic drivers/hv: Replace binary semaphore with mutex drivers: iommu: hyperv: Make HYPERV_IOMMU only available on x86 HID: hyperv: Add the support of hibernation hv_balloon: Add the support of hibernation x86/hyperv: Implement hv_is_hibernation_supported() Drivers: hv: balloon: Remove dependencies on guest page size Drivers: hv: vmbus: Remove dependencies on guest page size x86: hv: Add function to allocate zeroed page for Hyper-V Drivers: hv: util: Specify ring buffer size using Hyper-V page size Drivers: hv: Specify receive buffer size using Hyper-V page size tools: hv: add vmbus testing tool drivers: hv: vmbus: Introduce latency testing video: hyperv: hyperv_fb: Support deferred IO for Hyper-V frame buffer driver video: hyperv: hyperv_fb: Obtain screen resolution from Hyper-V host hv_netvsc: Add the support of hibernation hv_sock: Add the support of hibernation video: hyperv_fb: Add the support of hibernation scsi: storvsc: Add the support of hibernation Drivers: hv: vmbus: Add module parameter to cap the VMBus version ...
2019-11-30Merge tag 'powerpc-5.5-1' of ↵Linus Torvalds14-218/+833
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: "Highlights: - Infrastructure for secure boot on some bare metal Power9 machines. The firmware support is still in development, so the code here won't actually activate secure boot on any existing systems. - A change to xmon (our crash handler / pseudo-debugger) to restrict it to read-only mode when the kernel is lockdown'ed, otherwise it's trivial to drop into xmon and modify kernel data, such as the lockdown state. - Support for KASLR on 32-bit BookE machines (Freescale / NXP). - Fixes for our flush_icache_range() and __kernel_sync_dicache() (VDSO) to work with memory ranges >4GB. - Some reworks of the pseries CMM (Cooperative Memory Management) driver to make it behave more like other balloon drivers and enable some cleanups of generic mm code. - A series of fixes to our hardware breakpoint support to properly handle unaligned watchpoint addresses. Plus a bunch of other smaller improvements, fixes and cleanups. Thanks to: Alastair D'Silva, Andrew Donnellan, Aneesh Kumar K.V, Anthony Steinhauser, Cédric Le Goater, Chris Packham, Chris Smart, Christophe Leroy, Christopher M. Riedl, Christoph Hellwig, Claudio Carvalho, Daniel Axtens, David Hildenbrand, Deb McLemore, Diana Craciun, Eric Richter, Geert Uytterhoeven, Greg Kroah-Hartman, Greg Kurz, Gustavo L. F. Walbon, Hari Bathini, Harish, Jason Yan, Krzysztof Kozlowski, Leonardo Bras, Mathieu Malaterre, Mauro S. M. Rodrigues, Michal Suchanek, Mimi Zohar, Nathan Chancellor, Nathan Lynch, Nayna Jain, Nick Desaulniers, Oliver O'Halloran, Qian Cai, Rasmus Villemoes, Ravi Bangoria, Sam Bobroff, Santosh Sivaraj, Scott Wood, Thomas Huth, Tyrel Datwyler, Vaibhav Jain, Valentin Longchamp, YueHaibing" * tag 'powerpc-5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (144 commits) powerpc/fixmap: fix crash with HIGHMEM x86/efi: remove unused variables powerpc: Define arch_is_kernel_initmem_freed() for lockdep powerpc/prom_init: Use -ffreestanding to avoid a reference to bcmp powerpc: Avoid clang warnings around setjmp and longjmp powerpc: Don't add -mabi= flags when building with Clang powerpc: Fix Kconfig indentation powerpc/fixmap: don't clear fixmap area in paging_init() selftests/powerpc: spectre_v2 test must be built 64-bit powerpc/powernv: Disable native PCIe port management powerpc/kexec: Move kexec files into a dedicated subdir. powerpc/32: Split kexec low level code out of misc_32.S powerpc/sysdev: drop simple gpio powerpc/83xx: map IMMR with a BAT. powerpc/32s: automatically allocate BAT in setbat() powerpc/ioremap: warn on early use of ioremap() powerpc: Add support for GENERIC_EARLY_IOREMAP powerpc/fixmap: Use __fix_to_virt() instead of fix_to_virt() powerpc/8xx: use the fixmapped IMMR in cpm_reset() powerpc/8xx: add __init to cpm1 init functions ...
2019-11-30selftests: forwarding: fix race between packet receive and tc checkJiri Pirko1-8/+31
It is possible that tc stats get checked before the packet we check for actually arrived into the interface and accounted for. Fix it by checking for the expected result in a loop until timeout is reached (by default 1 second). Fixes: 07e5c75184a1 ("selftests: forwarding: Introduce tc flower matching tests") Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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