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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2020-08-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
"A single fix for a potential deadlock when printing a message about
spurious interrupts"
* tag 'x86-urgent-2020-08-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/i8259: Use printk_deferred() to prevent deadlock
- clean the generated moc file for xconfig
- fix xconfig bugs, and revert some bad commits
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Merge tag 'kbuild-fixes-v5.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- clean the generated moc file for xconfig
- fix xconfig bugs, and revert some bad commits
* tag 'kbuild-fixes-v5.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: remove redundant FORCE definition in scripts/Makefile.modpost
kconfig: qconf: remove wrong ConfigList::firstChild()
Revert "kconfig: qconf: don't show goback button on splitMode"
Revert "kconfig: qconf: Change title for the item window"
kconfig: qconf: remove "goBack" debug message
kconfig: qconf: use delete[] instead of delete to free array
kconfig: qconf: compile moc object separately
kconfig: qconf: use if_changed for qconf.moc rule
modpost: explain why we can't use strsep
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"Bugfixes and strengthening the validity checks on inputs from new
userspace APIs.
Now I know why I shouldn't prepare pull requests on the weekend, it's
hard to concentrate if your son is shouting about his latest Minecraft
builds in your ear. Fortunately all the patches were ready and I just
had to check the test results..."
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SVM: Fix disable pause loop exit/pause filtering capability on SVM
KVM: LAPIC: Prevent setting the tscdeadline timer if the lapic is hw disabled
KVM: arm64: Don't inherit exec permission across page-table levels
KVM: arm64: Prevent vcpu_has_ptrauth from generating OOL functions
KVM: nVMX: check for invalid hdr.vmx.flags
KVM: nVMX: check for required but missing VMCS12 in KVM_SET_NESTED_STATE
selftests: kvm: do not set guest mode flag
The same code exists a few lines above.
Fixes: 436b2ac603d5 ("modpost: invoke modpost only when input files are updated")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This function returns the first child object, but the returned pointer
is not compatible with (ConfigItem *).
Commit cc1c08edccaf ("kconfig: qconf: don't show goback button on
splitMode") uncovered this issue because using the pointer from this
function would make qconf crash. (https://lkml.org/lkml/2020/7/18/411)
This function does not work. Remove.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Pull networking fixes from David Miller:
1) Encap offset calculation is incorrect in esp6, from Sabrina Dubroca.
2) Better parameter validation in pfkey_dump(), from Mark Salyzyn.
3) Fix several clang issues on powerpc in selftests, from Tanner Love.
4) cmsghdr_from_user_compat_to_kern() uses the wrong length, from Al
Viro.
5) Out of bounds access in mlx5e driver, from Raed Salem.
6) Fix transfer buffer memleak in lan78xx, from Johan Havold.
7) RCU fixups in rhashtable, from Herbert Xu.
8) Fix ipv6 nexthop refcnt leak, from Xiyu Yang.
9) vxlan FDB dump must be done under RCU, from Ido Schimmel.
10) Fix use after free in mlxsw, from Ido Schimmel.
11) Fix map leak in HASH_OF_MAPS bpf code, from Andrii Nakryiko.
12) Fix bug in mac80211 Tx ack status reporting, from Vasanthakumar
Thiagarajan.
13) Fix memory leaks in IPV6_ADDRFORM code, from Cong Wang.
14) Fix bpf program reference count leaks in mlx5 during
mlx5e_alloc_rq(), from Xin Xiong.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (86 commits)
vxlan: fix memleak of fdb
rds: Prevent kernel-infoleak in rds_notify_queue_get()
net/sched: The error lable position is corrected in ct_init_module
net/mlx5e: fix bpf_prog reference count leaks in mlx5e_alloc_rq
net/mlx5e: E-Switch, Specify flow_source for rule with no in_port
net/mlx5e: E-Switch, Add misc bit when misc fields changed for mirroring
net/mlx5e: CT: Support restore ipv6 tunnel
net: gemini: Fix missing clk_disable_unprepare() in error path of gemini_ethernet_port_probe()
ionic: unlock queue mutex in error path
atm: fix atm_dev refcnt leaks in atmtcp_remove_persistent
net: ethernet: mtk_eth_soc: fix MTU warnings
net: nixge: fix potential memory leak in nixge_probe()
devlink: ignore -EOPNOTSUPP errors on dumpit
rxrpc: Fix race between recvmsg and sendmsg on immediate call failure
MAINTAINERS: Replace Thor Thayer as Altera Triple Speed Ethernet maintainer
selftests/bpf: fix netdevsim trap_flow_action_cookie read
ipv6: fix memory leaks on IPV6_ADDRFORM path
net/bpfilter: Initialize pos in __bpfilter_process_sockopt
igb: reinit_locked() should be called with rtnl_lock
e1000e: continue to init PHY even when failed to disable ULP
...
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Merge tag 'for-linus-2020-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull thread fix from Christian Brauner:
"A simple spelling fix for dequeue_synchronous_signal()"
* tag 'for-linus-2020-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
signal: fix typo in dequeue_synchronous_signal()
- Fix libtraceevent build with binutils 2.35.
- Fix memory leak in process_dynamic_array_len in libtraceevent.
- Fix 'perf test 68' zstd compression for s390.
- Fix record failure when mixed with ARM SPE event.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Test results:
The first ones are container based builds of tools/perf with and without libelf
support. Where clang is available, it is also used to build perf with/without
libelf, and building with LIBCLANGLLVM=1 (built-in clang) with gcc and clang
when clang and its devel libraries are installed.
The objtool and samples/bpf/ builds are disabled now that I'm switching from
using the sources in a local volume to fetching them from a http server to
build it inside the container, to make it easier to build in a container cluster.
Those will come back later.
Several are cross builds, the ones with -x-ARCH and the android one, and those
may not have all the features built, due to lack of multi-arch devel packages,
available and being used so far on just a few, like
debian:experimental-x-{arm64,mipsel}.
The 'perf test' one will perform a variety of tests exercising
tools/perf/util/, tools/lib/{bpf,traceevent,etc}, as well as run perf commands
with a variety of command line event specifications to then intercept the
sys_perf_event syscall to check that the perf_event_attr fields are set up as
expected, among a variety of other unit tests.
Then there is the 'make -C tools/perf build-test' ones, that build tools/perf/
with a variety of feature sets, exercising the build with an incomplete set of
features as well as with a complete one. It is planned to have it run on each
of the containers mentioned above, using some container orchestration
infrastructure. Get in contact if interested in helping having this in place.
Some of the most recent, experimental distros are failing, fixes will be
provided, but those gcc/clang versions are not yet in general use and some
are related to linking with libllvm, not the default build.
1 alpine:3.4 : Ok gcc (Alpine 5.3.0) 5.3.0, clang version 3.8.0 (tags/RELEASE_380/final)
2 alpine:3.5 : Ok gcc (Alpine 6.2.1) 6.2.1 20160822, clang version 3.8.1 (tags/RELEASE_381/final)
3 alpine:3.6 : Ok gcc (Alpine 6.3.0) 6.3.0, clang version 4.0.0 (tags/RELEASE_400/final)
4 alpine:3.7 : Ok gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.0 (tags/RELEASE_500/final) (based on LLVM 5.0.0)
5 alpine:3.8 : Ok gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.1 (tags/RELEASE_501/final) (based on LLVM 5.0.1)
6 alpine:3.9 : Ok gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 5.0.1 (tags/RELEASE_502/final) (based on LLVM 5.0.1)
7 alpine:3.10 : Ok gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 8.0.0 (tags/RELEASE_800/final) (based on LLVM 8.0.0)
8 alpine:3.11 : Ok gcc (Alpine 9.2.0) 9.2.0, Alpine clang version 9.0.0 (https://git.alpinelinux.org/aports f7f0d2c2b8bcd6a5843401a9a702029556492689) (based on LLVM 9.0.0)
9 alpine:3.12 : Ok gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 10.0.0 (https://gitlab.alpinelinux.org/alpine/aports.git 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
10 alpine:edge : Ok gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 10.0.0 (git://git.alpinelinux.org/aports 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
11 alt:p8 : Ok x86_64-alt-linux-gcc (GCC) 5.3.1 20151207 (ALT p8 5.3.1-alt3.M80P.1), clang version 3.8.0 (tags/RELEASE_380/final)
12 alt:p9 : Ok x86_64-alt-linux-gcc (GCC) 8.4.1 20200305 (ALT p9 8.4.1-alt0.p9.1), clang version 7.0.1
13 alt:sisyphus : Ok x86_64-alt-linux-gcc (GCC) 9.2.1 20200123 (ALT Sisyphus 9.2.1-alt3), clang version 10.0.0
14 amazonlinux:1 : Ok gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2), clang version 3.6.2 (tags/RELEASE_362/final)
15 amazonlinux:2 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 7.0.1 (Amazon Linux 2 7.0.1-1.amzn2.0.2)
16 android-ndk:r12b-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
17 android-ndk:r15c-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
18 centos:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23)
19 centos:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39)
20 centos:8 : Ok gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5), clang version 9.0.1 (Red Hat 9.0.1-2.module_el8.2.0+309+0c7b6b03)
21 clearlinux:latest : Ok gcc (Clear Linux OS for Intel Architecture) 10.1.1 20200708 releases/gcc-10.1.0-332-g17327d6cc7, clang version 10.0.0
22 debian:8 : Ok gcc (Debian 4.9.2-10+deb8u2) 4.9.2, Debian clang version 3.5.0-10 (tags/RELEASE_350/final) (based on LLVM 3.5.0)
23 debian:9 : Ok gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516, clang version 3.8.1-24 (tags/RELEASE_381/final)
24 debian:10 : Ok gcc (Debian 8.3.0-6) 8.3.0, clang version 7.0.1-8 (tags/RELEASE_701/final)
25 debian:experimental : FAIL gcc (Debian 10.2.0-3) 10.2.0, clang version 9.0.1-13
26 debian:experimental-x-arm64 : Ok aarch64-linux-gnu-gcc (Debian 9.3.0-8) 9.3.0
27 debian:experimental-x-mips : Ok mips-linux-gnu-gcc (Debian 8.3.0-19) 8.3.0
28 debian:experimental-x-mips64 : Ok mips64-linux-gnuabi64-gcc (Debian 9.3.0-8) 9.3.0
29 debian:experimental-x-mipsel : Ok mipsel-linux-gnu-gcc (Debian 9.2.1-8) 9.2.1 20190909
30 fedora:20 : Ok gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
31 fedora:22 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.5.0 (tags/RELEASE_350/final)
32 fedora:23 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.7.0 (tags/RELEASE_370/final)
33 fedora:24 : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1), clang version 3.8.1 (tags/RELEASE_381/final)
34 fedora:24-x-ARC-uClibc : Ok arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
35 fedora:25 : Ok gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1), clang version 3.9.1 (tags/RELEASE_391/final)
36 fedora:26 : Ok gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2), clang version 4.0.1 (tags/RELEASE_401/final)
37 fedora:27 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 5.0.2 (tags/RELEASE_502/final)
38 fedora:28 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 6.0.1 (tags/RELEASE_601/final)
39 fedora:29 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 7.0.1 (Fedora 7.0.1-6.fc29)
40 fedora:30 : Ok gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 8.0.0 (Fedora 8.0.0-3.fc30)
41 fedora:30-x-ARC-glibc : Ok arc-linux-gcc (ARC HS GNU/Linux glibc toolchain 2019.03-rc1) 8.3.1 20190225
42 fedora:30-x-ARC-uClibc : Ok arc-linux-gcc (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
43 fedora:31 : Ok gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 9.0.1 (Fedora 9.0.1-2.fc31)
44 fedora:32 : Ok gcc (GCC) 10.1.1 20200507 (Red Hat 10.1.1-1), clang version 10.0.0 (Fedora 10.0.0-2.fc32)
45 fedora:rawhide : FAIL gcc (GCC) 10.1.1 20200618 (Red Hat 10.1.1-2), clang version 10.0.0 (Fedora 10.0.0-6.fc33)
46 gentoo-stage3-amd64:latest : Ok gcc (Gentoo 9.2.0-r2 p3) 9.2.0
47 mageia:5 : Ok gcc (GCC) 4.9.2, clang version 3.5.2 (tags/RELEASE_352/final)
48 mageia:6 : Ok gcc (Mageia 5.5.0-1.mga6) 5.5.0, clang version 3.9.1 (tags/RELEASE_391/final)
49 mageia:7 : Ok gcc (Mageia 8.3.1-0.20190524.1.mga7) 8.3.1 20190524, clang version 8.0.0 (Mageia 8.0.0-1.mga7)
50 manjaro:latest : Ok gcc (GCC) 9.2.0, clang version 9.0.0 (tags/RELEASE_900/final)
51 openmandriva:cooker : Ok gcc (GCC) 10.0.0 20200502 (OpenMandriva), clang version 10.0.1
52 opensuse:15.0 : Ok gcc (SUSE Linux) 7.4.1 20190424 [gcc-7-branch revision 270538], clang version 5.0.1 (tags/RELEASE_501/final 312548)
53 opensuse:15.1 : Ok gcc (SUSE Linux) 7.5.0, clang version 7.0.1 (tags/RELEASE_701/final 349238)
54 opensuse:15.2 : Ok gcc (SUSE Linux) 7.5.0, clang version 9.0.1
55 opensuse:42.3 : Ok gcc (SUSE Linux) 4.8.5, clang version 3.8.0 (tags/RELEASE_380/final 262553)
56 opensuse:tumbleweed : Ok gcc (SUSE Linux) 10.1.1 20200625 [revision c91e43e9363bd119a695d64505f96539fa451bf2], clang version 10.0.0
57 oraclelinux:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
58 oraclelinux:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39.0.3)
59 oraclelinux:8 : Ok gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5.0.3), clang version 9.0.1 (Red Hat 9.0.1-2.0.1.module+el8.2.0+5599+9ed9ef6d)
60 ubuntu:12.04 : Ok gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3, Ubuntu clang version 3.0-6ubuntu3 (tags/RELEASE_30/final) (based on LLVM 3.0)
61 ubuntu:14.04 : Ok gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
62 ubuntu:16.04 : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609, clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)
63 ubuntu:16.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
64 ubuntu:16.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
65 ubuntu:16.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
66 ubuntu:16.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
67 ubuntu:16.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
68 ubuntu:16.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
69 ubuntu:18.04 : Ok gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0, clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
70 ubuntu:18.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
71 ubuntu:18.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
72 ubuntu:18.04-x-m68k : Ok m68k-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
73 ubuntu:18.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
74 ubuntu:18.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
75 ubuntu:18.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
76 ubuntu:18.04-x-riscv64 : Ok riscv64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
77 ubuntu:18.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
78 ubuntu:18.04-x-sh4 : Ok sh4-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
79 ubuntu:18.04-x-sparc64 : Ok sparc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
80 ubuntu:18.10 : Ok gcc (Ubuntu 8.3.0-6ubuntu1~18.10.1) 8.3.0, clang version 7.0.0-3 (tags/RELEASE_700/final)
81 ubuntu:19.04 : Ok gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0, clang version 8.0.0-3 (tags/RELEASE_800/final)
82 ubuntu:19.04-x-alpha : Ok alpha-linux-gnu-gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
83 ubuntu:19.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 8.3.0-6ubuntu1) 8.3.0
84 ubuntu:19.04-x-hppa : Ok hppa-linux-gnu-gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
85 ubuntu:19.10 : FAIL gcc (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008, clang version 9.0.0-2 (tags/RELEASE_900/final)
86 ubuntu:20.04 : Ok gcc (Ubuntu 9.3.0-10ubuntu2) 9.3.0, clang version 10.0.0-4ubuntu1
#
# uname -a
Linux five 5.8.0-rc7+ #3 SMP Sat Aug 1 15:00:33 -03 2020 x86_64 x86_64 x86_64 GNU/Linux
# git log --oneline -1
39efdd94e314 libtraceevent: Fix build with binutils 2.35
# perf version --build-options
perf version 5.8.rc7.g39efdd94e314
dwarf: [ on ] # HAVE_DWARF_SUPPORT
dwarf_getlocations: [ on ] # HAVE_DWARF_GETLOCATIONS_SUPPORT
glibc: [ on ] # HAVE_GLIBC_SUPPORT
gtk2: [ on ] # HAVE_GTK2_SUPPORT
syscall_table: [ on ] # HAVE_SYSCALL_TABLE_SUPPORT
libbfd: [ on ] # HAVE_LIBBFD_SUPPORT
libelf: [ on ] # HAVE_LIBELF_SUPPORT
libnuma: [ on ] # HAVE_LIBNUMA_SUPPORT
numa_num_possible_cpus: [ on ] # HAVE_LIBNUMA_SUPPORT
libperl: [ on ] # HAVE_LIBPERL_SUPPORT
libpython: [ on ] # HAVE_LIBPYTHON_SUPPORT
libslang: [ on ] # HAVE_SLANG_SUPPORT
libcrypto: [ on ] # HAVE_LIBCRYPTO_SUPPORT
libunwind: [ on ] # HAVE_LIBUNWIND_SUPPORT
libdw-dwarf-unwind: [ on ] # HAVE_DWARF_SUPPORT
zlib: [ on ] # HAVE_ZLIB_SUPPORT
lzma: [ on ] # HAVE_LZMA_SUPPORT
get_cpuid: [ on ] # HAVE_AUXTRACE_SUPPORT
bpf: [ on ] # HAVE_LIBBPF_SUPPORT
aio: [ on ] # HAVE_AIO_SUPPORT
zstd: [ on ] # HAVE_ZSTD_SUPPORT
# perf test
1: vmlinux symtab matches kallsyms : Ok
2: Detect openat syscall event : Ok
3: Detect openat syscall event on all cpus : Ok
4: Read samples using the mmap interface : Ok
5: Test data source output : Ok
6: Parse event definition strings : Ok
7: Simple expression parser : Ok
8: PERF_RECORD_* events & perf_sample fields : Ok
9: Parse perf pmu format : Ok
10: PMU events :
10.1: PMU event table sanity : Ok
10.2: PMU event map aliases : Ok
10.3: Parsing of PMU event table metrics : Ok
11: DSO data read : Ok
12: DSO data cache : Ok
13: DSO data reopen : Ok
14: Roundtrip evsel->name : Ok
15: Parse sched tracepoints fields : Ok
16: syscalls:sys_enter_openat event fields : Ok
17: Setup struct perf_event_attr : Ok
18: Match and link multiple hists : Ok
19: 'import perf' in python : Ok
20: Breakpoint overflow signal handler : Ok
21: Breakpoint overflow sampling : Ok
22: Breakpoint accounting : Ok
23: Watchpoint :
23.1: Read Only Watchpoint : Skip
23.2: Write Only Watchpoint : Ok
23.3: Read / Write Watchpoint : Ok
23.4: Modify Watchpoint : Ok
24: Number of exit events of a simple workload : Ok
25: Software clock events period values : Ok
26: Object code reading : Ok
27: Sample parsing : Ok
28: Use a dummy software event to keep tracking : Ok
29: Parse with no sample_id_all bit set : Ok
30: Filter hist entries : Ok
31: Lookup mmap thread : Ok
32: Share thread maps : Ok
33: Sort output of hist entries : Ok
34: Cumulate child hist entries : Ok
35: Track with sched_switch : Ok
36: Filter fds with revents mask in a fdarray : Ok
37: Add fd to a fdarray, making it autogrow : Ok
38: kmod_path__parse : Ok
39: Thread map : Ok
40: LLVM search and compile :
40.1: Basic BPF llvm compile : Ok
40.2: kbuild searching : Ok
40.3: Compile source for BPF prologue generation : Ok
40.4: Compile source for BPF relocation : Ok
41: Session topology : Ok
42: BPF filter :
42.1: Basic BPF filtering : Ok
42.2: BPF pinning : Ok
42.3: BPF prologue generation : Ok
42.4: BPF relocation checker : Ok
43: Synthesize thread map : Ok
44: Remove thread map : Ok
45: Synthesize cpu map : Ok
46: Synthesize stat config : Ok
47: Synthesize stat : Ok
48: Synthesize stat round : Ok
49: Synthesize attr update : Ok
50: Event times : Ok
51: Read backward ring buffer : Ok
52: Print cpu map : Ok
53: Merge cpu map : Ok
54: Probe SDT events : Ok
55: is_printable_array : Ok
56: Print bitmap : Ok
57: perf hooks : Ok
58: builtin clang support : Skip (not compiled in)
59: unit_number__scnprintf : Ok
60: mem2node : Ok
61: time utils : Ok
62: Test jit_write_elf : Ok
63: Test libpfm4 support : Skip (not compiled in)
64: Test api io : Ok
65: maps__merge_in : Ok
66: Demangle Java : Ok
67: x86 rdpmc : Ok
68: Convert perf time to TSC : Ok
69: DWARF unwind : Ok
70: x86 instruction decoder - new instructions : Ok
71: Intel PT packet decoder : Ok
72: x86 bp modify : Ok
73: probe libc's inet_pton & backtrace it with ping : Ok
74: Use vfs_getname probe to get syscall args filenames : Ok
75: Check open filename arg using perf trace + vfs_getname: Ok
76: Zstd perf.data compression/decompression : Ok
77: Add vfs_getname probe to get syscall args filenames : Ok
#
$ cd ~acme/git/perf; git log --oneline -1 ; make -C tools/perf build-test
39efdd94e314 (HEAD -> perf/urgent, quaco/perf/urgent) libtraceevent: Fix build with binutils 2.35
make: Entering directory '/home/acme/git/perf/tools/perf'
- tarpkg: ./tests/perf-targz-src-pkg .
- /home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP: make FEATURE_DUMP_COPY=/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP feature-dump
make FEATURE_DUMP_COPY=/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP feature-dump
make_no_backtrace_O: make NO_BACKTRACE=1
make_no_libbpf_DEBUG_O: make NO_LIBBPF=1 DEBUG=1
make_debug_O: make DEBUG=1
make_minimal_O: make NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 NO_LIBCRYPTO=1 NO_SDT=1 NO_JVMTI=1 NO_LIBZSTD=1 NO_LIBCAP=1 NO_SYSCALL_TABLE=1
make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
make_help_O: make help
make_with_libpfm4_O: make LIBPFM4=1
make_with_babeltrace_O: make LIBBABELTRACE=1
make_no_auxtrace_O: make NO_AUXTRACE=1
make_pure_O: make
make_no_libelf_O: make NO_LIBELF=1
make_tags_O: make tags
make_no_demangle_O: make NO_DEMANGLE=1
make_no_libaudit_O: make NO_LIBAUDIT=1
make_with_clangllvm_O: make LIBCLANGLLVM=1
make_util_pmu_bison_o_O: make util/pmu-bison.o
make_no_libnuma_O: make NO_LIBNUMA=1
make_no_sdt_O: make NO_SDT=1
make_no_libpython_O: make NO_LIBPYTHON=1
make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
^[[A^[[5~ make_no_libperl_O: make NO_LIBPERL=1
^Y^Y make_no_slang_O: make NO_SLANG=1
make_clean_all_O: make clean all
make_doc_O: make doc
make_no_syscall_tbl_O: make NO_SYSCALL_TABLE=1
make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
make_util_map_o_O: make util/map.o
make_no_libcrypto_O: make NO_LIBCRYPTO=1
make_no_gtk2_O: make NO_GTK2=1
make_install_prefix_O: make install prefix=/tmp/krava
- /home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP_STATIC: make FEATURE_DUMP_COPY=/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP_STATIC LDFLAGS='-static' feature-dump
make FEATURE_DUMP_COPY=/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP_STATIC LDFLAGS='-static' feature-dump
make_static_O: make LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1
make_no_libbpf_O: make NO_LIBBPF=1
make_install_bin_O: make install-bin
make_no_libunwind_O: make NO_LIBUNWIND=1
make_install_O: make install
make_install_prefix_slash_O: make install prefix=/tmp/krava/
make_no_newt_O: make NO_NEWT=1
make_no_libbionic_O: make NO_LIBBIONIC=1
make_perf_o_O: make perf.o
OK
make: Leaving directory '/home/acme/git/perf/tools/perf'
$
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Merge tag 'perf-tools-fixes-2020-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tooling fixes from Arnaldo Carvalho de Melo:
- Fix libtraceevent build with binutils 2.35
- Fix memory leak in process_dynamic_array_len in libtraceevent
- Fix 'perf test 68' zstd compression for s390
- Fix record failure when mixed with ARM SPE event
* tag 'perf-tools-fixes-2020-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
libtraceevent: Fix build with binutils 2.35
perf tools: Fix record failure when mixed with ARM SPE event
perf tests: Fix test 68 zstd compression for s390
tools lib traceevent: Fix memory leak in process_dynamic_array_len
This reverts commit cc1c08edccaf5317d99a17a3231fe06381044e83.
Maxim Levitsky reports 'make xconfig' crashes since that commit
(https://lkml.org/lkml/2020/7/18/411)
Or, the following is simple test code that makes it crash:
menu "Menu"
config FOO
bool "foo"
default y
menuconfig BAR
bool "bar"
depends on FOO
endmenu
Select the Split View mode, and double-click "bar" in the right
window, then you will see Segmentation fault.
When 'last' is not set for symbolMode, the following code in
ConfigList::updateList() calls firstChild().
item = last ? last->nextSibling() : firstChild();
However, the pointer returned by ConfigList::firstChild() does not
seem to be compatible with (ConfigItem *), which seems another bug.
I'd rather want to reconsider whether hiding the goback icon is the
right thing to do.
In the following test code, the Split View shows "Menu2" and "Menu3"
in the right window. You can descend into "Menu3", but there is no way
to ascend back to "Menu2" from "Menu3".
menu "Menu1"
config FOO
bool "foo"
default y
menu "Menu2"
depends on FOO
menu "Menu3"
config BAZ
bool "baz"
endmenu
endmenu
endmenu
It is true that the goback button is currently not functional due to
yet another bug, but hiding the problem is not the right way to go.
Anyway, Segmentation fault is fatal. Revert the offending commit for
now, and we should find the right solution.
Reported-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This reverts commit 5752ff07fd90d764d96e3c586cc95c09598abfdd.
It added dead code to ConfigList:ConfigList().
The constructor of ConfigList has the initializer, mode(singleMode).
if (mode == symbolMode)
setHeaderLabels(QStringList() << "Item" << "Name" << "N" << "M" << "Y" << "Value");
else
setHeaderLabels(QStringList() << "Option" << "Name" << "N" << "M" << "Y" << "Value");
... always takes the else part.
The change to ConfigList::updateSelection() is strange too.
When you click the split view icon for the first time, the titles in
both windows show "Option". After you click something in the right
window, the title suddenly changes to "Item".
ConfigList::updateSelection() is not the right place to do this,
at least. It was not a good idea, I think.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Every time the goback icon is clicked, the annoying message "goBack"
is displayed on the console.
I guess this line is the left-over debug code of commit af737b4defe1
("kconfig: qconf: simplify the goBack() logic").
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Currently, qconf.moc is included from qconf.cc but they can be compiled
independently.
When you modify qconf.cc, qconf.moc does not need recompiling.
Rename qconf.moc to qconf-moc.cc, and split it out as an independent
compilation unit.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Regenerate qconf.moc when the moc command is changed.
This also allows 'make mrproper' to clean it up. Previously, it was
not cleaned up because 'clean-files += qconf.moc' was missing.
Now 'make mrproper' correctly cleans it up because files listed in
'targets' are cleaned.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Daniel Borkmann says:
====================
pull-request: bpf 2020-07-31
The following pull-request contains BPF updates for your *net* tree.
We've added 5 non-merge commits during the last 21 day(s) which contain
a total of 5 files changed, 126 insertions(+), 18 deletions(-).
The main changes are:
1) Fix a map element leak in HASH_OF_MAPS map type, from Andrii Nakryiko.
2) Fix a NULL pointer dereference in __btf_resolve_helper_id() when no
btf_vmlinux is available, from Peilin Ye.
3) Init pos variable in __bpfilter_process_sockopt(), from Christoph Hellwig.
4) Fix a cgroup sockopt verifier test by specifying expected attach type,
from Jean-Philippe Brucker.
Note that when net gets merged into net-next later on, there is a small
merge conflict in kernel/bpf/btf.c between commit 5b801dfb7feb ("bpf: Fix
NULL pointer dereference in __btf_resolve_helper_id()") from the bpf tree
and commit 138b9a0511c7 ("bpf: Remove btf_id helpers resolving") from the
net-next tree.
Resolve as follows: remove the old hunk with the __btf_resolve_helper_id()
function. Change the btf_resolve_helper_id() so it actually tests for a
NULL btf_vmlinux and bails out:
int btf_resolve_helper_id(struct bpf_verifier_log *log,
const struct bpf_func_proto *fn, int arg)
{
int id;
if (fn->arg_type[arg] != ARG_PTR_TO_BTF_ID || !btf_vmlinux)
return -EINVAL;
id = fn->btf_id[arg];
if (!id || id > btf_vmlinux->nr_types)
return -EINVAL;
return id;
}
Let me know if you run into any others issues (CC'ing Jiri Olsa so he's in
the loop with regards to merge conflict resolution).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Steffen Klassert says:
====================
pull request (net): ipsec 2020-07-31
1) Fix policy matching with mark and mask on userspace interfaces.
From Xin Long.
2) Several fixes for the new ESP in TCP encapsulation.
From Sabrina Dubroca.
3) Fix crash when the hold queue is used. The assumption that
xdst->path and dst->child are not a NULL pointer only if dst->xfrm
is not a NULL pointer is true with the exception of using the
hold queue. Fix this by checking for hold queue usage before
dereferencing xdst->path or dst->child.
4) Validate pfkey_dump parameter before sending them.
From Mark Salyzyn.
5) Fix the location of the transport header with ESP in UDPv6
encapsulation. From Sabrina Dubroca.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'mlx5-fixes-2020-07-30' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
Mellanox, mlx5 fixes 2020-07-30
This small patchset introduces some fixes to mlx5 driver.
Please pull and let me know if there is any problem.
For -stable v4.18:
('net/mlx5e: fix bpf_prog reference count leaks in mlx5e_alloc_rq')
For -stable v5.7:
('net/mlx5e: E-Switch, Add misc bit when misc fields changed for mirroring')
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
rds_notify_queue_get() is potentially copying uninitialized kernel stack
memory to userspace since the compiler may leave a 4-byte hole at the end
of `cmsg`.
In 2016 we tried to fix this issue by doing `= { 0 };` on `cmsg`, which
unfortunately does not always initialize that 4-byte hole. Fix it by using
memset() instead.
Cc: stable@vger.kernel.org
Fixes: f037590fff30 ("rds: fix a leak of kernel memory")
Fixes: bdbe6fbc6a2f ("RDS: recv.c")
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2020-07-30
This series contains updates to the e1000e and igb drivers.
Aaron Ma allows PHY initialization to continue if ULP disable failed for
e1000e.
Francesco Ruggeri fixes race conditions in igb reset that could cause panics.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Exchange the positions of the err_tbl_init and err_register labels in
ct_init_module function.
Fixes: c34b961a2492 ("net/sched: act_ct: Create nf flow table per zone")
Signed-off-by: liujian <liujian56@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull i2c fixes from Wolfram Sang:
"Some I2C core improvements to prevent NULL pointer usage and a
MAINTAINERS update"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: slave: add sanity check when unregistering
i2c: slave: improve sanity check when registering
MAINTAINERS: Update GENI I2C maintainers list
i2c: also convert placeholder function to return errno
Fix a bug introduced by the changes we made to lockless page table walking this
cycle. When using the hash MMU, and perf with callchain recording, we can
deadlock if the PMI interrupts a hash fault, and the callchain recording then
takes a hash fault on the same page.
Thanks to:
Nicholas Piggin, Aneesh Kumar K.V, Anton Blanchard, Athira Rajeev.
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Merge tag 'powerpc-5.8-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
"Fix a bug introduced by the changes we made to lockless page table
walking this cycle.
When using the hash MMU, and perf with callchain recording, we can
deadlock if the PMI interrupts a hash fault, and the callchain
recording then takes a hash fault on the same page.
Thanks to Nicholas Piggin, Aneesh Kumar K.V, Anton Blanchard, and
Athira Rajeev"
* tag 'powerpc-5.8-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64s/hash: Fix hash_preload running with interrupts enabled
- Fix build breakage due to circular headers
- Fix build regression when using Clang's integrated assembler
- Fix IPv4 header checksum code to deal with invalid length field
- Fix broken path for Arm PMU entry in MAINTAINERS
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"The main one is to fix the build after Willy's per-cpu entropy changes
this week. Although that was already resolved elsewhere, the arm64 fix
here is useful cleanup anyway.
Other than that, we've got a fix for building with Clang's integrated
assembler and a fix to make our IPv4 checksumming robust against
invalid header lengths (this only seems to be triggerable by injected
errors).
- Fix build breakage due to circular headers
- Fix build regression when using Clang's integrated assembler
- Fix IPv4 header checksum code to deal with invalid length field
- Fix broken path for Arm PMU entry in MAINTAINERS"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
MAINTAINERS: Include drivers subdirs for ARM PMU PROFILING AND DEBUGGING entry
arm64: csum: Fix handling of bad packets
arm64: Drop unnecessary include from asm/smp.h
arm64/alternatives: move length validation inside the subsection
Two more merge window regressions, a corruption bug in hfi1 and a few
other small fixes.
- Missing user input validation regression in ucma
- Disallowing a previously allowed user combination regression in mlx5
- ODP prefetch memory leaking triggerable by userspace
- Memory corruption in hf1 due to faulty ring buffer logic
- Missed mutex initialization crash in mlx5
- Two small defects with RDMA DIM
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"Two more merge window regressions, a corruption bug in hfi1 and a few
other small fixes.
- Missing user input validation regression in ucma
- Disallowing a previously allowed user combination regression in
mlx5
- ODP prefetch memory leaking triggerable by userspace
- Memory corruption in hf1 due to faulty ring buffer logic
- Missed mutex initialization crash in mlx5
- Two small defects with RDMA DIM"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/core: Free DIM memory in error unwind
RDMA/core: Stop DIM before destroying CQ
RDMA/mlx5: Initialize QP mutex for the debug kernels
IB/rdmavt: Fix RQ counting issues causing use of an invalid RWQE
RDMA/mlx5: Allow providing extra scatter CQE QP flag
RDMA/mlx5: Fix prefetch memory leak if get_prefetchable_mr fails
RDMA/cm: Add min length checks to user structure copies
A few wrap-up small fixes for the usual HD-audio and USB-audio stuff:
- A regression fix for S3 suspend on old Intel platforms
- A fix for possible Oops in ASoC HD-audio binding
- Trivial quirks for various devices
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Merge tag 'sound-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A few wrap-up small fixes for the usual HD-audio and USB-audio stuff:
- A regression fix for S3 suspend on old Intel platforms
- A fix for possible Oops in ASoC HD-audio binding
- Trivial quirks for various devices"
* tag 'sound-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek - Fixed HP right speaker no sound
ALSA: hda: fix NULL pointer dereference during suspend
ALSA: hda/hdmi: Fix keep_power assignment for non-component devices
ALSA: hda: Workaround for spurious wakeups on some Intel platforms
ALSA: hda/realtek: Fix add a "ultra_low_power" function for intel reference board (alc256)
ALSA: hda/realtek: typo_fix: enable headset mic of ASUS ROG Zephyrus G14(GA401) series with ALC289
ALSA: hda/realtek: enable headset mic of ASUS ROG Zephyrus G15(GA502) series with ALC289
ALSA: usb-audio: Add implicit feedback quirk for SSL2
In binutils 2.35, 'nm -D' changed to show symbol versions along with
symbol names, with the usual @@ separator. When generating
libtraceevent-dynamic-list we need just the names, so strip off the
version suffix if present.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-trace-devel@vger.kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
When recording with cache-misses and arm_spe_x event, I found that it
will just fail without showing any error info if i put cache-misses
after 'arm_spe_x' event.
[root@localhost 0620]# perf record -e cache-misses \
-e arm_spe_0/ts_enable=1,pct_enable=1,pa_enable=1,load_filter=1,jitter=1,store_filter=1,min_latency=0/ sleep 1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.067 MB perf.data ]
[root@localhost 0620]#
[root@localhost 0620]# perf record -e arm_spe_0/ts_enable=1,pct_enable=1,pa_enable=1,load_filter=1,jitter=1,store_filter=1,min_latency=0/ \
-e cache-misses sleep 1
[root@localhost 0620]#
The current code can only work if the only event to be traced is an
'arm_spe_x', or if it is the last event to be specified. Otherwise the
last event type will be checked against all the arm_spe_pmus[i]->types,
none will match and an out of bound 'i' index will be used in
arm_spe_recording_init().
We don't support concurrent multiple arm_spe_x events currently, that
is checked in arm_spe_recording_options(), and it will show the relevant
info. So add the check and record of the first found 'arm_spe_pmu' to
fix this issue here.
Fixes: ffd3d18c20b8 ("perf tools: Add ARM Statistical Profiling Extensions (SPE) support")
Signed-off-by: Wei Li <liwei391@huawei.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Tested-by-by: Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Hanjun Guo <guohanjun@huawei.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lore.kernel.org/lkml/20200724071111.35593-2-liwei391@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Commit 5aa98879efe7 ("s390/cpum_sf: prohibit callchain data collection")
prohibits call graph sampling for hardware events on s390. The
information recorded is out of context and does not match.
On s390 this commit now breaks test case 68 Zstd perf.data
compression/decompression.
Therefore omit call graph sampling on s390 in this test.
Output before:
[root@t35lp46 perf]# ./perf test -Fv 68
68: Zstd perf.data compression/decompression :
--- start ---
Collecting compressed record file:
Error:
cycles: PMU Hardware doesn't support sampling/overflow-interrupts.
Try 'perf stat'
---- end ----
Zstd perf.data compression/decompression: FAILED!
[root@t35lp46 perf]#
Output after:
[root@t35lp46 perf]# ./perf test -Fv 68
68: Zstd perf.data compression/decompression :
--- start ---
Collecting compressed record file:
500+0 records in
500+0 records out
256000 bytes (256 kB, 250 KiB) copied, 0.00615638 s, 41.6 MB/s
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.004 MB /tmp/perf.data.X3M,
compressed (original 0.002 MB, ratio is 3.609) ]
Checking compressed events stats:
# compressed : Zstd, level = 1, ratio = 4
COMPRESSED events: 1
2ELIFREPh---- end ----
Zstd perf.data compression/decompression: Ok
[root@t35lp46 perf]#
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Reviewed-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Link: http://lore.kernel.org/lkml/20200729135314.91281-1-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
I compiled with AddressSanitizer and I had these memory leaks while I
was using the tep_parse_format function:
Direct leak of 28 byte(s) in 4 object(s) allocated from:
#0 0x7fb07db49ffe in __interceptor_realloc (/lib/x86_64-linux-gnu/libasan.so.5+0x10dffe)
#1 0x7fb07a724228 in extend_token /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:985
#2 0x7fb07a724c21 in __read_token /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:1140
#3 0x7fb07a724f78 in read_token /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:1206
#4 0x7fb07a725191 in __read_expect_type /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:1291
#5 0x7fb07a7251df in read_expect_type /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:1299
#6 0x7fb07a72e6c8 in process_dynamic_array_len /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:2849
#7 0x7fb07a7304b8 in process_function /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:3161
#8 0x7fb07a730900 in process_arg_token /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:3207
#9 0x7fb07a727c0b in process_arg /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:1786
#10 0x7fb07a731080 in event_read_print_args /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:3285
#11 0x7fb07a731722 in event_read_print /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:3369
#12 0x7fb07a740054 in __tep_parse_format /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:6335
#13 0x7fb07a74047a in __parse_event /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:6389
#14 0x7fb07a740536 in tep_parse_format /home/pduplessis/repo/linux/tools/lib/traceevent/event-parse.c:6431
#15 0x7fb07a785acf in parse_event ../../../src/fs-src/fs.c:251
#16 0x7fb07a785ccd in parse_systems ../../../src/fs-src/fs.c:284
#17 0x7fb07a786fb3 in read_metadata ../../../src/fs-src/fs.c:593
#18 0x7fb07a78760e in ftrace_fs_source_init ../../../src/fs-src/fs.c:727
#19 0x7fb07d90c19c in add_component_with_init_method_data ../../../../src/lib/graph/graph.c:1048
#20 0x7fb07d90c87b in add_source_component_with_initialize_method_data ../../../../src/lib/graph/graph.c:1127
#21 0x7fb07d90c92a in bt_graph_add_source_component ../../../../src/lib/graph/graph.c:1152
#22 0x55db11aa632e in cmd_run_ctx_create_components_from_config_components ../../../src/cli/babeltrace2.c:2252
#23 0x55db11aa6fda in cmd_run_ctx_create_components ../../../src/cli/babeltrace2.c:2347
#24 0x55db11aa780c in cmd_run ../../../src/cli/babeltrace2.c:2461
#25 0x55db11aa8a7d in main ../../../src/cli/babeltrace2.c:2673
#26 0x7fb07d5460b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)
The token variable in the process_dynamic_array_len function is
allocated in the read_expect_type function, but is not freed before
calling the read_token function.
Free the token variable before calling read_token in order to plug the
leak.
Signed-off-by: Philippe Duplessis-Guindon <pduplessis@efficios.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: https://lore.kernel.org/linux-trace-devel/20200730150236.5392-1-pduplessis@efficios.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
'Commit 8566ac8b8e7c ("KVM: SVM: Implement pause loop exit logic in SVM")'
drops disable pause loop exit/pause filtering capability completely, I
guess it is a merge fault by Radim since disable vmexits capabilities and
pause loop exit for SVM patchsets are merged at the same time. This patch
reintroduces the disable pause loop exit/pause filtering capability support.
Reported-by: Haiwei Li <lihaiwei@tencent.com>
Tested-by: Haiwei Li <lihaiwei@tencent.com>
Fixes: 8566ac8b ("KVM: SVM: Implement pause loop exit logic in SVM")
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Message-Id: <1596165141-28874-3-git-send-email-wanpengli@tencent.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Prevent setting the tscdeadline timer if the lapic is hw disabled.
Fixes: bce87cce88 (KVM: x86: consolidate different ways to test for in-kernel LAPIC)
Cc: <stable@vger.kernel.org>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Message-Id: <1596165141-28874-1-git-send-email-wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
nouveau:
- final modifiers regression fix
amdgpu:
- Revert a fix which caused other regressions
- Fix potential kernel info leak
- Fix a use-after-free bug that was uncovered by another change in 5.7
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Merge tag 'drm-fixes-2020-07-31' of git://anongit.freedesktop.org/drm/drm
Pull more drm fixes from Dave Airlie:
"As mentioned previously this contains the nouveau regression fix.
amdgpu had three fixes outstanding as well, one revert, an info leak
and use after free. The use after free is a bit trickier than I'd
like, and I've personally gone over it to confirm I'm happy that it is
doing what it says.
nouveau:
- final modifiers regression fix
amdgpu:
- Revert a fix which caused other regressions
- Fix potential kernel info leak
- Fix a use-after-free bug that was uncovered by another change in 5.7"
* tag 'drm-fixes-2020-07-31' of git://anongit.freedesktop.org/drm/drm:
drm/nouveau: Accept 'legacy' format modifiers
Revert "drm/amdgpu: Fix NULL dereference in dpm sysfs handlers"
drm/amd/display: Clear dm_state for fast updates
drm/amdgpu: Prevent kernel-infoleak in amdgpu_info_ioctl()
amd-drm-fixes-5.8-2020-07-30:
amdgpu:
- Revert a fix which caused other regressions
- Fix potential kernel info leak
- Fix a use-after-free bug that was uncovered by another change in 5.7
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200730154338.244104-1-alexander.deucher@amd.com
Accept the DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK()
family of modifiers to handle broken userspace
Xorg modesetting and Mesa drivers. Existing Mesa
drivers are still aware of only these older
format modifiers which do not differentiate
between different variations of the block linear
layout. When the format modifier support flag was
flipped in the nouveau kernel driver, the X.org
modesetting driver began attempting to use its
format modifier-enabled framebuffer path. Because
the set of format modifiers advertised by the
kernel prior to this change do not intersect with
the set of format modifiers advertised by Mesa,
allocating GBM buffers using format modifiers
fails and the modesetting driver falls back to
non-modifier allocation. However, it still later
queries the modifier of the GBM buffer when
creating its DRM-KMS framebuffer object, receives
the old-format modifier from Mesa, and attempts
to create a framebuffer with it. Since the kernel
is still not aware of these formats, this fails.
Userspace should not be attempting to query format
modifiers of GBM buffers allocated with a non-
format-modifier-aware allocation path, but to
avoid breaking existing userspace behavior, this
change accepts the old-style format modifiers when
creating framebuffers and applying them to planes
by translating them to the equivalent new-style
modifier. To accomplish this, some layout
parameters must be assumed to match properties of
the device targeted by the relevant ioctls. To
avoid perpetuating misuse of the old-style
modifiers, this change does not advertise support
for them. Doing so would imply compatibility
between devices with incompatible memory layouts.
Tested with Xorg 1.20 modesetting driver,
weston@c46c70dac84a4b3030cd05b380f9f410536690fc,
gnome & KDE wayland desktops from Ubuntu 18.04,
and sway 1.5
Reported-by: Kirill A. Shutemov <kirill@shutemov.name>
Fixes: fa4f4c213f5f ("drm/nouveau/kms: Support NVIDIA format modifiers")
Link: https://lkml.org/lkml/2020/6/30/1251
Signed-off-by: James Jones <jajones@nvidia.com>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The function invokes bpf_prog_inc(), which increases the reference
count of a bpf_prog object "rq->xdp_prog" if the object isn't NULL.
The refcount leak issues take place in two error handling paths. When
either mlx5_wq_ll_create() or mlx5_wq_cyc_create() fails, the function
simply returns the error code and forgets to drop the reference count
increased earlier, causing a reference count leak of "rq->xdp_prog".
Fix this issue by jumping to the error handling path err_rq_wq_destroy
while either function fails.
Fixes: 422d4c401edd ("net/mlx5e: RX, Split WQ objects for different RQ types")
Signed-off-by: Xin Xiong <xiongx18@fudan.edu.cn>
Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
The flow_source must be specified, even for rule without matching
source vport, because some actions are only allowed in uplink.
Otherwise, rule can't be offloaded and firmware syndrome happens.
Fixes: 6fb0701a9cfa ("net/mlx5: E-Switch, Add support for offloading rules with no in_port")
Signed-off-by: Jianbo Liu <jianbol@mellanox.com>
Reviewed-by: Chris Mi <chrism@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
The modified flow_context fields in FTE must be indicated in
modify_enable bitmask. Previously, the misc bit in modify_enable is
always set as source vport must be set for each rule. So, when parsing
vxlan/gre/geneve/qinq rules, this bit is not set because those are all
from the same misc fileds that source vport fields are located at, and
we don't need to set the indicator twice.
After adding per vport tables for mirroring, misc bit is not set, then
firmware syndrome happens. To fix it, set the bit wherever misc fileds
are changed. This also makes it unnecessary to check misc fields and set
the misc bit accordingly in metadata matching, so here remove it.
Besides, flow_source must be specified for uplink because firmware
will check it and some actions are only allowed for packets received
from uplink.
Fixes: 96e326878fa5 ("net/mlx5e: Eswitch, Use per vport tables for mirroring")
Signed-off-by: Jianbo Liu <jianbol@mellanox.com>
Reviewed-by: Chris Mi <chrism@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Currently the driver restores only IPv4 tunnel headers.
Add support for restoring IPv6 tunnel header.
Fixes: b8ce90370977 ("net/mlx5e: Restore tunnel metadata on miss")
Signed-off-by: Jianbo Liu <jianbol@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
* remove a warning that can trigger in certain races
* check a function pointer before using it
* check before adding 6 GHz to avoid a warning in mesh
* fix two memory leaks in mesh
* fix a TX status bug leading to a memory leak
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Merge tag 'mac80211-for-davem-2020-07-30' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
A couple of more changes:
* remove a warning that can trigger in certain races
* check a function pointer before using it
* check before adding 6 GHz to avoid a warning in mesh
* fix two memory leaks in mesh
* fix a TX status bug leading to a memory leak
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix the missing clk_disable_unprepare() before return
from gemini_ethernet_port_probe() in the error handling case.
Fixes: 4d5ae32f5e1e ("net: ethernet: Add a driver for Gemini gigabit ethernet")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On an error return, jump to the unlock at the end to be sure
to unlock the queue_lock mutex.
Fixes: 0925e9db4dc8 ("ionic: use mutex to protect queue operations")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
atmtcp_remove_persistent() invokes atm_dev_lookup(), which returns a
reference of atm_dev with increased refcount or NULL if fails.
The refcount leaks issues occur in two error handling paths. If
dev_data->persist is zero or PRIV(dev)->vcc isn't NULL, the function
returns 0 without decreasing the refcount kept by a local variable,
resulting in refcount leaks.
Fix the issue by adding atm_dev_put() before returning 0 both when
dev_data->persist is zero or PRIV(dev)->vcc isn't NULL.
Signed-off-by: Xin Xiong <xiongx18@fudan.edu.cn>
Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
in recent kernel versions there are warnings about incorrect MTU size
like these:
eth0: mtu greater than device maximum
mtk_soc_eth 1b100000.ethernet eth0: error -22 setting MTU to include DSA overhead
Fixes: bfcb813203e6 ("net: dsa: configure the MTU for switch ports")
Fixes: 72579e14a1d3 ("net: dsa: don't fail to probe if we couldn't set the MTU")
Fixes: 7a4c53bee332 ("net: report invalid mtu value via netlink extack")
Signed-off-by: Landen Chao <landen.chao@mediatek.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
If some processes in nixge_probe() fail, free_netdev(dev)
needs to be called to aviod a memory leak.
Fixes: 87ab207981ec ("net: nixge: Separate ctrl and dma resources")
Fixes: abcd3d6fc640 ("net: nixge: Fix error path for obtaining mac address")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Lu Wei <luwei32@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Number of .dumpit functions try to ignore -EOPNOTSUPP errors.
Recent change missed that, and started reporting all errors
but -EMSGSIZE back from dumps. This leads to situation like
this:
$ devlink dev info
devlink answers: Operation not supported
Dump should not report an error just because the last device
to be queried could not provide an answer.
To fix this and avoid similar confusion make sure we clear
err properly, and not leave it set to an error if we don't
terminate the iteration.
Fixes: c62c2cfb801b ("net: devlink: don't ignore errors during dumpit")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There's a race between rxrpc_sendmsg setting up a call, but then failing to
send anything on it due to an error, and recvmsg() seeing the call
completion occur and trying to return the state to the user.
An assertion fails in rxrpc_recvmsg() because the call has already been
released from the socket and is about to be released again as recvmsg deals
with it. (The recvmsg_q queue on the socket holds a ref, so there's no
problem with use-after-free.)
We also have to be careful not to end up reporting an error twice, in such
a way that both returns indicate to userspace that the user ID supplied
with the call is no longer in use - which could cause the client to
malfunction if it recycles the user ID fast enough.
Fix this by the following means:
(1) When sendmsg() creates a call after the point that the call has been
successfully added to the socket, don't return any errors through
sendmsg(), but rather complete the call and let recvmsg() retrieve
them. Make sendmsg() return 0 at this point. Further calls to
sendmsg() for that call will fail with ESHUTDOWN.
Note that at this point, we haven't send any packets yet, so the
server doesn't yet know about the call.
(2) If sendmsg() returns an error when it was expected to create a new
call, it means that the user ID wasn't used.
(3) Mark the call disconnected before marking it completed to prevent an
oops in rxrpc_release_call().
(4) recvmsg() will then retrieve the error and set MSG_EOR to indicate
that the user ID is no longer known by the kernel.
An oops like the following is produced:
kernel BUG at net/rxrpc/recvmsg.c:605!
...
RIP: 0010:rxrpc_recvmsg+0x256/0x5ae
...
Call Trace:
? __init_waitqueue_head+0x2f/0x2f
____sys_recvmsg+0x8a/0x148
? import_iovec+0x69/0x9c
? copy_msghdr_from_user+0x5c/0x86
___sys_recvmsg+0x72/0xaa
? __fget_files+0x22/0x57
? __fget_light+0x46/0x51
? fdget+0x9/0x1b
do_recvmmsg+0x15e/0x232
? _raw_spin_unlock+0xa/0xb
? vtime_delta+0xf/0x25
__x64_sys_recvmmsg+0x2c/0x2f
do_syscall_64+0x4c/0x78
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fixes: 357f5ef64628 ("rxrpc: Call rxrpc_release_call() on error in rxrpc_new_client_call()")
Reported-by: syzbot+b54969381df354936d96@syzkaller.appspotmail.com
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds
Masahiro Yamada
Taehee Yoo
David S. Miller
Peilin Ye
liujian
Ben Hutchings
Wei Li
Thomas Richter
Philippe Duplessis-Guindon
Wanpeng Li
Dave Airlie
James Jones
Xin Xiong
Jianbo Liu
Wang Hai
Shannon Nelson
Landen Chao
Lu Wei
Jakub Kicinski
David Howells