mirror of
https://github.com/torvalds/linux
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933979 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
dcde237b9b |
Second batch of perf tooling fixes for v5.8:
- Intel PT fixes for PEBS-via-PT with registers.
- Fixes for Intel PT python based GUI.
- Avoid duplicated sideband events with Intel PT in system wide tracing.
- Remove needless 'dummy' event from TUI menu, used when synthesizing
meta data events for pre-existing processes.
- Fix corner case segfault when pressing enter in a screen without
entries in the TUI for report/top.
- Fixes for time stamp handling in libtraceevent.
- Explicitly set utf-8 encoding in perf flamegraph.
- Update arch/x86/lib/memcpy_64.S copy used in 'perf bench mem memcpy',
silencing perf build warning.
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.
Mon 06 Jul 2020 10:07:28 AM -03
# export PERF_TARBALL=http://192.168.124.1/perf/perf-5.8.0-rc3.tar.xz
# dm
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:5 : Ok gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-55)
19 centos:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23)
20 centos:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39)
21 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)
22 clearlinux:latest : Ok gcc (Clear Linux OS for Intel Architecture) 10.1.1 20200618 releases/gcc-10.1.0-218-g6e81b0cf4f, clang version 10.0.0
23 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)
24 debian:9 : Ok gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516, clang version 3.8.1-24 (tags/RELEASE_381/final)
25 debian:10 : Ok gcc (Debian 8.3.0-6) 8.3.0, clang version 7.0.1-8 (tags/RELEASE_701/final)
26 debian:experimental : FAIL gcc (Debian 9.3.0-13) 9.3.0, clang version 9.0.1-12
# grep "make ARCH" dm.log/debian\:experimental
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= -C /git/linux/tools/perf O=/tmp/build/perf
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= NO_LIBELF=1 -C /git/linux/tools/perf O=/tmp/build/perf
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= NO_LIBBPF=1 -C /git/linux/tools/perf O=/tmp/build/perf
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= -C /git/linux/tools/perf O=/tmp/build/perf CC=clang
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= NO_LIBELF=1 -C /git/linux/tools/perf O=/tmp/build/perf CC=clang
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= NO_LIBBPF=1 -C /git/linux/tools/perf O=/tmp/build/perf CC=clang
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= LIBCLANGLLVM=1 -C /git/linux/tools/perf O=/tmp/build/perf CC=clang
<SNIP>
/usr/bin/ld: /usr/lib/llvm-9/lib/libclangAnalysis.a(ExprMutationAnalyzer.cpp.o): in function `clang::ast_matchers::internal::matcher_ignoringImpCasts0Matcher::matches(clang::Expr const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const':
(.text._ZNK5clang12ast_matchers8internal32matcher_ignoringImpCasts0Matcher7matchesERKNS_4ExprEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE[_ZNK5clang12ast_matchers8internal32matcher_ignoringImpCasts0Matcher7matchesERKNS_4ExprEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE]+0x43): undefined reference to `clang::ast_matchers::internal::DynTypedMatcher::matches(clang::ast_type_traits::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const'
/usr/bin/ld: /usr/lib/llvm-9/lib/libclangAnalysis.a(ExprMutationAnalyzer.cpp.o): in function `clang::ast_matchers::internal::matcher_hasLoopVariable0Matcher::matches(clang::CXXForRangeStmt const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const':
(.text._ZNK5clang12ast_matchers8internal31matcher_hasLoopVariable0Matcher7matchesERKNS_15CXXForRangeStmtEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE[_ZNK5clang12ast_matchers8internal31matcher_hasLoopVariable0Matcher7matchesERKNS_15CXXForRangeStmtEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE]+0x48): undefined reference to `clang::ast_matchers::internal::DynTypedMatcher::matches(clang::ast_type_traits::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const'
/usr/bin/ld: /usr/lib/llvm-9/lib/libclangAnalysis.a(ExprMutationAnalyzer.cpp.o): in function `clang::ast_matchers::internal::matcher_hasRangeInit0Matcher::matches(clang::CXXForRangeStmt const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const':
(.text._ZNK5clang12ast_matchers8internal28matcher_hasRangeInit0Matcher7matchesERKNS_15CXXForRangeStmtEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE[_ZNK5clang12ast_matchers8internal28matcher_hasRangeInit0Matcher7matchesERKNS_15CXXForRangeStmtEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE]+0x48): undefined reference to `clang::ast_matchers::internal::DynTypedMatcher::matches(clang::ast_type_traits::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const'
/usr/bin/ld: /usr/lib/llvm-9/lib/libclangAnalysis.a(ExprMutationAnalyzer.cpp.o): in function `clang::ast_matchers::internal::matcher_hasArgumentOfType0Matcher::matches(clang::UnaryExprOrTypeTraitExpr const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const':
(.text._ZNK5clang12ast_matchers8internal33matcher_hasArgumentOfType0Matcher7matchesERKNS_24UnaryExprOrTypeTraitExprEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE[_ZNK5clang12ast_matchers8internal33matcher_hasArgumentOfType0Matcher7matchesERKNS_24UnaryExprOrTypeTraitExprEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE]+0x36): undefined reference to `clang::ast_matchers::internal::DynTypedMatcher::matches(clang::ast_type_traits::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const'
<SNIP>
#
27 debian:experimental-x-arm64 : Ok aarch64-linux-gnu-gcc (Debian 9.3.0-8) 9.3.0
28 debian:experimental-x-mips : Ok mips-linux-gnu-gcc (Debian 8.3.0-19) 8.3.0
29 debian:experimental-x-mips64 : Ok mips64-linux-gnuabi64-gcc (Debian 9.3.0-8) 9.3.0
30 debian:experimental-x-mipsel : Ok mipsel-linux-gnu-gcc (Debian 9.2.1-8) 9.2.1 20190909
31 fedora:20 : Ok gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
32 fedora:22 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.5.0 (tags/RELEASE_350/final)
33 fedora:23 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.7.0 (tags/RELEASE_370/final)
34 fedora:24 : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1), clang version 3.8.1 (tags/RELEASE_381/final)
35 fedora:24-x-ARC-uClibc : Ok arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
36 fedora:25 : Ok gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1), clang version 3.9.1 (tags/RELEASE_391/final)
37 fedora:26 : Ok gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2), clang version 4.0.1 (tags/RELEASE_401/final)
38 fedora:27 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 5.0.2 (tags/RELEASE_502/final)
39 fedora:28 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 6.0.1 (tags/RELEASE_601/final)
40 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)
41 fedora:30 : Ok gcc (GCC) 9.2.1 20190827 (Red Hat 9.2.1-1), clang version 8.0.0 (Fedora 8.0.0-3.fc30)
42 fedora:30-x-ARC-glibc : Ok arc-linux-gcc (ARC HS GNU/Linux glibc toolchain 2019.03-rc1) 8.3.1 20190225
43 fedora:30-x-ARC-uClibc : Ok arc-linux-gcc (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
44 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)
45 fedora:32 : Ok gcc (GCC) 10.1.1 20200507 (Red Hat 10.1.1-1), clang version 10.0.0 (Fedora 10.0.0-1.fc32)
46 fedora:rawhide : FAIL gcc (GCC) 10.1.1 20200507 (Red Hat 10.1.1-1), clang version 10.0.0 (Fedora 10.0.0-4.fc33)
CC /tmp/build/perf/util/mem2node.o
util/scripting-engines/trace-event-python.c: In function 'python_start_script':
util/scripting-engines/trace-event-python.c:1595:2: error: 'visibility' attribute ignored [-Werror=attributes]
1595 | PyMODINIT_FUNC (*initfunc)(void);
| ^~~~~~~~~~~~~~
LD /tmp/build/perf/util/intel-pt-decoder/perf-in.o
47 gentoo-stage3-amd64:latest : Ok gcc (Gentoo 9.2.0-r2 p3) 9.2.0
48 mageia:5 : Ok gcc (GCC) 4.9.2, clang version 3.5.2 (tags/RELEASE_352/final)
49 mageia:6 : Ok gcc (Mageia 5.5.0-1.mga6) 5.5.0, clang version 3.9.1 (tags/RELEASE_391/final)
50 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)
51:latestError: error creating container storage: the container name "cool_zhukovsky" is already in use by "bebca2836e01c65d0c08a2c93fd96fb4b22b1d5b7e5945c8c21cd313823cd5a3". You have to remove that container to be able to reuse that name.: that name is already in use
22aro:latest : Ok , clang version 9.0.0 (tags/RELEASE_900/final)
52 openmandriva:cooker : Ok gcc (GCC) 10.0.0 20200502 (OpenMandriva), clang version 10.0.1
53 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)
54 opensuse:15.1 : Ok gcc (SUSE Linux) 7.5.0, clang version 7.0.1 (tags/RELEASE_701/final 349238)
55 opensuse:15.2 : Ok gcc (SUSE Linux) 7.5.0, clang version 9.0.1
56 opensuse:42.3 : Ok gcc (SUSE Linux) 4.8.5, clang version 3.8.0 (tags/RELEASE_380/final 262553)
57 opensuse:tumbleweed : Ok gcc (SUSE Linux) 10.1.1 20200625 [revision c91e43e9363bd119a695d64505f96539fa451bf2], clang version 10.0.0
58 oraclelinux:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
59 oraclelinux:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39.0.3)
60 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)
61 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)
62 ubuntu:14.04 : Ok gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
63 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)
64 ubuntu:16.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
65 ubuntu:16.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
66 ubuntu:16.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
67 ubuntu:16.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
68 ubuntu:16.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
69 ubuntu:16.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
70 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)
71 ubuntu:18.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
72 ubuntu:18.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
73 ubuntu:18.04-x-m68k : Ok m68k-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
74 ubuntu:18.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
75 ubuntu:18.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
76 ubuntu:18.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
77 ubuntu:18.04-x-riscv64 : Ok riscv64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
78 ubuntu:18.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
79 ubuntu:18.04-x-sh4 : Ok sh4-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
80 ubuntu:18.04-x-sparc64 : Ok sparc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
81 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)
82 ubuntu:19.04 : Ok gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0, clang version 8.0.0-3 (tags/RELEASE_800/final)
83 ubuntu:19.04-x-alpha : Ok alpha-linux-gnu-gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
84 ubuntu:19.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 8.3.0-6ubuntu1) 8.3.0
85 ubuntu:19.04-x-hppa : Ok hppa-linux-gnu-gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
86 ubuntu:19.10 : FAIL gcc (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008, clang version 9.0.0-2 (tags/RELEASE_900/final)
[root@quaco ~]# grep "make ARCH" dm.log/ubuntu\:19.10
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= -C /git/linux/tools/perf O=/tmp/build/perf
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= NO_LIBELF=1 -C /git/linux/tools/perf O=/tmp/build/perf
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= NO_LIBBPF=1 -C /git/linux/tools/perf O=/tmp/build/perf
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= -C /git/linux/tools/perf O=/tmp/build/perf CC=clang
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= NO_LIBELF=1 -C /git/linux/tools/perf O=/tmp/build/perf CC=clang
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= NO_LIBBPF=1 -C /git/linux/tools/perf O=/tmp/build/perf CC=clang
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= LIBCLANGLLVM=1 -C /git/linux/tools/perf O=/tmp/build/perf CC=clang
<SNIP>
/usr/bin/ld: /usr/lib/llvm-9/lib/libclangAnalysis.a(ExprMutationAnalyzer.cpp.o): in function `clang::ast_matchers::internal::BindableMatcher<clang::Stmt> clang::ast_matchers::internal::VariadicFunction<clang::ast_matchers::internal::BindableMatcher<clang::Stmt>, clang::ast_matchers::internal::Matcher<clang::Expr>, &(clang::ast_matchers::internal::BindableMatcher<clang::Stmt> clang::ast_matchers::internal::makeDynCastAllOfComposite<clang::Stmt, clang::Expr>(llvm::ArrayRef<clang::ast_matchers::internal::Matcher<clang::Expr> const*>))>::operator()<clang::ast_matchers::internal::VariadicOperatorMatcher<clang::ast_matchers::internal::ArgumentAdaptingMatcherFunc<clang::ast_matchers::internal::HasAncestorMatcher, clang::ast_matchers::internal::TypeList<clang::Decl, clang::NestedNameSpecifierLoc, clang::Stmt, clang::TypeLoc>, clang::ast_matchers::internal::TypeList<clang::Decl, clang::NestedNameSpecifierLoc, clang::Stmt, clang::TypeLoc> >::Adaptor<clang::TypeLoc>, clang::ast_matchers::internal::ArgumentAdaptingMatcherFunc<clang::ast_matchers::internal::HasAncestorMatcher, clang::ast_matchers::internal::TypeList<clang::Decl, clang::NestedNameSpecifierLoc, clang::Stmt, clang::TypeLoc>, clang::ast_matchers::internal::TypeList<clang::Decl, clang::NestedNameSpecifierLoc, clang::Stmt, clang::TypeLoc> >::Adaptor<clang::Stmt> > >(clang::ast_matchers::internal::Matcher<clang::Expr> const&, clang::ast_matchers::internal::VariadicOperatorMatcher<clang::ast_matchers::internal::ArgumentAdaptingMatcherFunc<clang::ast_matchers::internal::HasAncestorMatcher, clang::ast_matchers::internal::TypeList<clang::Decl, clang::NestedNameSpecifierLoc, clang::Stmt, clang::TypeLoc>, clang::ast_matchers::internal::TypeList<clang::Decl, clang::NestedNameSpecifierLoc, clang::Stmt, clang::TypeLoc> >::Adaptor<clang::TypeLoc>, clang::ast_matchers::internal::ArgumentAdaptingMatcherFunc<clang::ast_matchers::internal::HasAncestorMatcher, clang::ast_matchers::internal::TypeList<clang::Decl, clang::NestedNameSpecifierLoc, clang::Stmt, clang::TypeLoc>, clang::ast_matchers::internal::TypeList<clang::Decl, clang::NestedNameSpecifierLoc, clang::Stmt, clang::TypeLoc> >::Adaptor<clang::Stmt> > const&) const':
(.text._ZNK5clang12ast_matchers8internal16VariadicFunctionINS1_15BindableMatcherINS_4StmtEEENS1_7MatcherINS_4ExprEEEXadL_ZNS1_25makeDynCastAllOfCompositeIS4_S7_EENS3_IT_EEN4llvm8ArrayRefIPKNS6_IT0_EEEEEEEclIJNS1_23VariadicOperatorMatcherIJNS1_27ArgumentAdaptingMatcherFuncINS1_18HasAncestorMatcherENS1_8TypeListIJNS_4DeclENS_22NestedNameSpecifierLocES4_NS_7TypeLocEEEESS_E7AdaptorISR_EENSU_IS4_EEEEEEEES5_RKS8_DpRKT_[_ZNK5clang12ast_matchers8internal16VariadicFunctionINS1_15BindableMatcherINS_4StmtEEENS1_7MatcherINS_4ExprEEEXadL_ZNS1_25makeDynCastAllOfCompositeIS4_S7_EENS3_IT_EEN4llvm8ArrayRefIPKNS6_IT0_EEEEEEEclIJNS1_23VariadicOperatorMatcherIJNS1_27ArgumentAdaptingMatcherFuncINS1_18HasAncestorMatcherENS1_8TypeListIJNS_4DeclENS_22NestedNameSpecifierLocES4_NS_7TypeLocEEEESS_E7AdaptorISR_EENSU_IS4_EEEEEEEES5_RKS8_DpRKT_]+0x4e): undefined reference to `clang::ast_matchers::internal::DynTypedMatcher::dynCastTo(clang::ast_type_traits::ASTNodeKind) const'
<SNIP>
87 ubuntu:20.04 : Ok gcc (Ubuntu 9.3.0-10ubuntu2) 9.3.0, clang version 10.0.0-4ubuntu1
#
# uname -a
Linux quaco 5.8.0-rc3+ #2 SMP Tue Jun 30 09:47:17 -03 2020 x86_64 x86_64 x86_64 GNU/Linux
# git log --oneline -1
|
||
|
Linus Torvalds
|
6d12075dde |
MTD:
* Set a missing master partition panic write flag. Raw NAND: * Fix build issue in the xway driver. * Fix a wrong return code. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEE9HuaYnbmDhq/XIDIJWrqGEe9VoQFAl8EyMoACgkQJWrqGEe9 VoS1Jgf+LyRCHeO0Usd7r5Bo55nnQtcRPWfVFnOrIw/kULr0tyDvonLSBu1kwWC4 vfsKchMBcvWamO5ZkGwbcjbetchpCyEeA3Sm/9JHTjJ3lTbIRQjYvqQYM5A6UKRm oTwiI+mrKjOgGpu2aM8iPq0I1mVxy+r/YepaNEpRNOBRRGhZxFVgbAunPQEqWCq9 SNouePcmaIvFD9dmAlYbQoh0fbPu1Fx2/pxvisrlCrZzVrDm5mIUKCsJl2Rw+APg 9xgDEUcBTXNh7wV15cI/uUu8lxCiM77RdOB6UykMZ9KtxAraHAAIz4FmbG/vCRoQ VBdXV40Wyr/DaSKwtlR64evbTZ+c+Q== =ix29 -----END PGP SIGNATURE----- Merge tag 'mtd/fixes-for-5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux Pull MTD fixes from Miquel Raynal: "MTD: - Set a missing master partition panic write flag Raw NAND: - Fix build issue in the xway driver - Fix a wrong return code" * tag 'mtd/fixes-for-5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: mtd: rawnand: xway: Fix build issue mtd: set master partition panic write flag nandsim: Fix return code testing of ns_find_operation() |
||
|
Linus Torvalds
|
aa27b32b76 |
for-5.8-rc4-tag
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE8rQSAMVO+zA4DBdWxWXV+ddtWDsFAl8EdTkACgkQxWXV+ddt WDv6xA/9Hguo/k6oj/7Nl9n3UUZ7gp44R/jy37fhMuNcwuEDuqIEfAgGXupdJVaj pYDorUMRUQfI2yLB1iHAnPgBMKBidSroDsdrRHKuimnhABSO2/KX/KXPianIIRGi wPvqZR04L565LNpRlDQx7OYkJWey7b6xf47UZqDglivnKY1OwCJlXgfCj/9FApr0 Y+PVlgEU78ExTeAHs/h8ofZ/f5T2eqiluBSFVykzCg1NngaQVOKpN3gnWEatUAvM ekm6U4E1ZR9oOprdhlf6V96ztGzVTRKB1vFIeCvJLqLNIe+0pxlRfRn2aOj8vzEO DRjgOlhyAIgypp78SwCspjhvejvVneSFdEGSVvHOw1ombB//OJ1qBb5G/lIcwCj3 PZ3OnQJV7+/Ty7Xt/X26W841zvnu90K0di0CsOPehtbkgkR4txgHCJB9mSlsMugN awN5Ryy1rw1cAM5GspXG9EEOvJmnSizQf4BcK649IG5eUKThYYLc5mp68jiMljs0 NHFPg5P4yTRjk7Yqgxq5VvTPLLJo5j5xxqtY/1zDWuguRa40wIoy/JUJaJoPg9Vd 221/qRG4R4xGyZXGx6XTiWK+M3qjTlS9My9tGoWygwlExRkr7Uli9Ikef3U0tBoF bjTcfCNOuCp+JECHNcnMZ9fhhFaMwIL1V4OflB1iicBAtXxo8Lk= =+4BZ -----END PGP SIGNATURE----- Merge tag 'for-5.8-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs fixes from David Sterba: - regression fix of a leak in global block reserve accounting - fix a (hard to hit) race of readahead vs releasepage that could lead to crash - convert all remaining uses of comment fall through annotations to the pseudo keyword - fix crash when mounting a fuzzed image with -o recovery * tag 'for-5.8-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: reset tree root pointer after error in init_tree_roots btrfs: fix reclaim_size counter leak after stealing from global reserve btrfs: fix fatal extent_buffer readahead vs releasepage race btrfs: convert comments to fallthrough annotations |
||
|
Linus Torvalds
|
9e4d769621 |
ARC updates for 5.8-rc5
- User build systems to pass -mcpu - Fix potential EFA clobber in syscall handler - Fix ARCompact 2 levels of interrupts build - Detect newer HS CPU releases - miscll other fixes -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOXpuCuR6hedrdLCJadfx3eKKwl4FAl8EEywACgkQadfx3eKK wl4bBxAApoG3kYeJcKkLR3zlSoP+ScbFjMd6UOZBt0lwwA8RJsU9Hyj8aq1u46yl Yknqhbe9el79fUtRbS584L947rA0d8aWYAGpFgelAxMKqb4XbfNMHl/W5lAgY84T EDeCotis9FBf21PRULbGkXEKxJAJqwYp5vCDnoTI+ckfKvhjVRsriqylsb62qGLa 4KOSWChSgSFkFv0pGCfLA7X7CgkwVDNYWbG02OBR3uRg/hBnVpAm7WgJtSFGbRCk TGTHE7Czf4m2DXM5t1N0kLWA7PQ4oJ/RNa3o8auuGbM5TdZaaewe5uRAIpuG2638 lCqU8boSEUR2yO4jHtSZaXLszhU/k6BC4gdCYUGcp9+8wCHsBubJaLUg4YGIZGZM yitzlmME8r5jS1itxO39F7k2cyE7jYvXjuvb7n/gCiYPL496pu8ZxD7nEHSmQKtx k3hl12SjX53jmQ9G2ECLVns4+yFj+thivr2CGiKq2MN6ogUbuTCFx6hZyRCuW5tq B3mV7Zzg+A3l9OBwlHMGC9ZggBnwOKdYQNKLXQl4r/XCtH01t4Y+Rcn1g4VS9BJy oHiNRs9mLO57owijwABL55eMCRoArDm5a6QUT8qByNTG0s2kNv/9TK6lKH/qnQWj 4DBSaeikKIHoxW44K9EfwhCvds0x2H/1tj2V2ImUFqOpPCygLCk= =OIAG -----END PGP SIGNATURE----- Merge tag 'arc-5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc Pull ARC fixes from Vineet Gupta: - User build systems to pass -mcpu - Fix potential EFA clobber in syscall handler - Fix ARCompact 2 levels of interrupts build - Detect newer HS CPU releases - misc other fixes * tag 'arc-5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: ARCv2: support loop buffer (LPB) disabling ARC: build: remove deprecated toggle for arc700 builds ARC: build: allow users to specify -mcpu ARCv2: boot log: detect newer/upconing HS3x/HS4x releases ARC: elf: use right ELF_ARCH ARC: [arcompact] fix bitrot with 2 levels of interrupt ARC: entry: fix potential EFA clobber when TIF_SYSCALL_TRACE |
||
|
Linus Torvalds
|
a6bc851ffe |
tpmdd updates for Linux v5.8-rc5
-----BEGIN PGP SIGNATURE----- iJYEABYIAD4WIQRE6pSOnaBC00OEHEIaerohdGur0gUCXwPPVCAcamFya2tvLnNh a2tpbmVuQGxpbnV4LmludGVsLmNvbQAKCRAaerohdGur0rUhAQDNRE6k2UXou4yh n6/dRxfhPek7nez4LU9TjxuwTn8oAgD/e+bmPXQqdWEDcYChaHGAJjl1PfmJmFRv /EXsA52F2AY= =PfvG -----END PGP SIGNATURE----- Merge tag 'tpmdd-next-v5.8-rc5' of git://git.infradead.org/users/jjs/linux-tpmdd Pull tpm fix from Jarkko Sakkinen: "Revert commit |
||
|
Miquel Raynal
|
880bc529ba |
mtd: rawnand: xway: Fix build issue
This MIPS driver does not support COMPILE_TEST yet and failed to build
under my radar.
Replace 'mtd' chich is not defined in the scope of xway_nand_remove()
by nand_to_mtd(chip). The mistake has been added in the long series
dropping nand_release().
Tested with a 7.3.0 MIPS GCC toolchain built with Buildroot.
Fixes:
|
||
|
Jarkko Sakkinen
|
786a2aa281 |
Revert commit e918e57041 ("tpm_tis: Remove the HID IFX0102")
Removing IFX0102 from tpm_tis was not a right move because both tpm_tis and tpm_infineon use the same device ID. Revert the commit and add a remark about a bug caused by commit |
||
|
Linus Torvalds
|
bfe91da29b |
Bugfixes and a one-liner patch to silence sparse.
-----BEGIN PGP SIGNATURE----- iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAl8DWosUHHBib256aW5p QHJlZGhhdC5jb20ACgkQv/vSX3jHroO8cAf/UskNg8qoLGG17rQwhFpmigSllbiJ TAyi3tpb1Y0Z2MfYeGkeiEb1L34bS28Cxl929DoqI3hrXy1wDCmsHPB5c3URXrzd aswvr7pJtQV9iH1ykaS2woFJnOUovMFsFYMhj46yUPoAvdKOZKvuqcduxbogYHFw YeRhS+1lGfiP2A0j3O/nnNJ0wq+FxKO46G3CgWeqG75+FSL6y/tl0bZJUMKKajQZ GNaOv/CYCHAfUdvgy0ZitRD8lV8yxng3dYGjm+a52Kmn2ZWiFlxNrnxzHySk16Rn Lq6MfFOqgrYpoZv7SnsFYnRE05U5bEFQ8BGr22fImQ+ktKDgq+9gv6cKwA== =+DN/ -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull kvm fixes from Paolo Bonzini: "Bugfixes and a one-liner patch to silence a sparse warning" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: arm64: Stop clobbering x0 for HVC_SOFT_RESTART KVM: arm64: PMU: Fix per-CPU access in preemptible context KVM: VMX: Use KVM_POSSIBLE_CR*_GUEST_BITS to initialize guest/host masks KVM: x86: Mark CR4.TSD as being possibly owned by the guest KVM: x86: Inject #GP if guest attempts to toggle CR4.LA57 in 64-bit mode kvm: use more precise cast and do not drop __user KVM: x86: bit 8 of non-leaf PDPEs is not reserved KVM: X86: Fix async pf caused null-ptr-deref KVM: arm64: vgic-v4: Plug race between non-residency and v4.1 doorbell KVM: arm64: pvtime: Ensure task delay accounting is enabled KVM: arm64: Fix kvm_reset_vcpu() return code being incorrect with SVE KVM: arm64: Annotate hyp NMI-related functions as __always_inline KVM: s390: reduce number of IO pins to 1 |
||
|
Linus Torvalds
|
5c82ec00dd |
- Initialize jump labels before early command line parsing in order to make
init_on_alloc and init_on_free options work. - Fix vfio-ccw build error due to missing include. - Prevent callchain data collection with hardware sampling, since the callchains simply do not exist. - Prevent multiple registrations of the same zPCI function. - Update defconfigs. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEECMNfWEw3SLnmiLkZIg7DeRspbsIFAl8DQcMACgkQIg7DeRsp bsKvuRAArbyG3KYcBCJ4GnNNXlXgji2MZyiHHvXgy2CwzttNVJpZUN1UHeSb6zC6 PDp3K+bJwgH0UHSGi3cMEtPLD0ccEApXeYJ0f/dHrZ6e0YvnKR1KHy2o/givYBN0 hvXpoSYlVZb8wtYV4Npr66NoT4Gp2RHC8ZJtouJVQ/9dIpIddI7ZmsEs4hUELgVz 1VAknDL+FNfOrD39+psCEWyju8+W08IfVMtyGmRn5RfvLESqB7GgJtmLybng+BdJ 3RTneFKDGogFpdgcVVDyND99+xh0zxDlXkzjVnS/lAHe9+M9X4/OAiQwctX4b5jA Ev0ZPX5CYcHKC9PAgW+C3/kCsP+V739ZeUwVnhPkJfsB2BkItIw3c0BXPiF/QCFq son5qWy4XOyWCxWAqKTrQku7W5+UDBvOmFaN3JxgIYZeM17BJsyaB6ORkVb5Jtt+ OaFIY31apLaljt3gGBFsUgQPjrqxTsn2uHtN4JBxDss6H0zQWdJC2m+cIlZKp9s4 Ix8QikqS08mJ9cL8RzF2lrjCdmg4cklWRKDI9EgrLAsx+fn5mWGcP7EQV3gtArm4 3xxgGHSUUXUm//Uaqs6xI0mSOt29valljHSbdRAJfK9oaAnPDvL1RNvdBgAi73ES PMdnG2Tp/zYJbHjFs2bOBW3RnWpM9LrYYgTgl34D3d2J+c74z/I= =79cE -----END PGP SIGNATURE----- Merge tag 's390-5.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Heiko Carstens: - Initialize jump labels before early command line parsing in order to make init_on_alloc and init_on_free options work - Fix vfio-ccw build error due to missing include - Prevent callchain data collection with hardware sampling, since the callchains simply do not exist - Prevent multiple registrations of the same zPCI function - Update defconfigs * tag 's390-5.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: vfio-ccw: Fix a build error due to missing include of linux/slab.h s390: update defconfigs s390/cpum_sf: prohibit callchain data collection s390/setup: init jump labels before command line parsing s390/maccess: add no DAT mode to kernel_write s390/pci: fix enabling a reserved PCI function |
||
|
Paolo Bonzini
|
8038a922cf |
KVM/arm fixes for 5.8, take #3
- Disable preemption on context-switching PMU EL0 state happening on system register trap - Don't clobber X0 when tearing down KVM via a soft reset (kexec) -----BEGIN PGP SIGNATURE----- iQJDBAABCgAtFiEEn9UcU+C1Yxj9lZw9I9DQutE9ekMFAl8DAcQPHG1hekBrZXJu ZWwub3JnAAoJECPQ0LrRPXpD7qgP/3xVVCyO32eqfe+Vh+0cHun3yfMKYPHdhrT4 rXPoJbUFNXu/pvMuPd1plh5DJM/sdZtrC96tgswDmF00Yk9ObdLDafgSFCrscfMU GrgSEGplTve1RArzATSC64nfFzJqkJlLNywJeD1bFmh4qC5rbm7w8jStf4H6MEp3 sBXedqQO+WswDLQAPnMCXw5t4uNU4urA757fKWJAgJv2Xwx0NKG+3PFbvx9I4dcK M0q+266ufDbq3xv6bhvFqo4kOnZQKH2fwIENRZVHi+5iU7Em2EX6NpzmbxxGCAfD d3jGCcrJ8f959j/d23k0lZXU0V30h3gvifGHUwEz/hqnbi1+EOt9pGqnqMWgmwPf QdoVtL9CdUeyAlfROLMBp0gxXwlUgN5dodCE9BlTzctUCQFRTsZPgAktEDlKcUWh rFz4LyoZ82OiC+db+wOHRTL+q7b0gs/KUgLbkeu26WGvDuLU4kEtol1ScmrfSm7O VzKxHzaxLsm6LP/OcS+9r9qHU2RRHhJnuwSNmsueGnKSFV2AECrsgoKGO5Tl2kKU rWnpJY/lqlChGsu4nfPeRQIcQtVL3H6BM7hz7d+EM4/Yx70EzmaTOB8K2C15o6BI tDuLWzzAaaY4YqFEVgvaieRuI+2qZWCh8jSu5sPuC6StfpqDD/G4221Q6vn3ioor g8hUv78j =/VkN -----END PGP SIGNATURE----- Merge tag 'kvmarm-fixes-5.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master KVM/arm fixes for 5.8, take #3 - Disable preemption on context-switching PMU EL0 state happening on system register trap - Don't clobber X0 when tearing down KVM via a soft reset (kexec) |
||
|
Arnaldo Carvalho de Melo
|
bee9ca1c8a |
perf report TUI: Remove needless 'dummy' event from menu
Fixing the common case of: perf record perf report And getting just the cycles events. We now have a 'dummy' event to get perf metadata events that take place while we synthesize metadata records for pre-existing processes by traversing procfs, so we always have this extra 'dummy' evsel, but we don't have to offer it as there will be no samples on it, remove this distraction. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/lkml/20200706115452.GA2772@redhat.com/ Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
||
|
Adrian Hunter
|
4c95ad261c |
perf intel-pt: Fix PEBS sample for XMM registers
The condition to add XMM registers was missing, the regs array needed to
be in the outer scope, and the size of the regs array was too small.
Fixes:
|
||
|
Adrian Hunter
|
add07ccd92 |
perf intel-pt: Fix displaying PEBS-via-PT with registers
After recording PEBS-via-PT, perf script will not accept 'iregs' field e.g.
# perf record -c 10000 -e '{intel_pt/branch=0/,branch-loads/aux-output/ppp}' -I -- ls -l
...
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.062 MB perf.data ]
# ./perf script --itrace=eop -F+iregs
Samples for 'dummy:u' event do not have IREGS attribute set. Cannot print 'iregs' field.
Fix by using allow_user_set, which is true when recording AUX area data.
Fixes:
|
||
|
Adrian Hunter
|
75bcb8776d |
perf intel-pt: Fix recording PEBS-via-PT with registers
When recording PEBS-via-PT, the kernel will not accept the intel_pt
event with register sampling e.g.
# perf record --kcore -c 10000 -e '{intel_pt/branch=0/,branch-loads/aux-output/ppp}' -I -- ls -l
Error:
intel_pt/branch=0/: PMU Hardware doesn't support sampling/overflow-interrupts. Try 'perf stat'
Fix by suppressing register sampling on the intel_pt evsel.
Committer notes:
Adrian informed that this is only available from Tremont onwards, so on
older processors the error continues the same as before.
Fixes:
|
||
|
Wei Li
|
d61cbb859b |
perf report TUI: Fix segmentation fault in perf_evsel__hists_browse()
The segmentation fault can be reproduced as following steps:
1) Executing perf report in tui.
2) Typing '/xxxxx' to filter the symbol to get nothing matched.
3) Pressing enter with no entry selected.
Then it will report a segmentation fault.
It is caused by the lack of check of browser->he_selection when
accessing it's member res_samples in perf_evsel__hists_browse().
These processes are meaningful for specified samples, so we can skip
these when nothing is selected.
Fixes:
|
||
|
Andrew Scull
|
b9e10d4a6c |
KVM: arm64: Stop clobbering x0 for HVC_SOFT_RESTART
HVC_SOFT_RESTART is given values for x0-2 that it should installed
before exiting to the new address so should not set x0 to stub HVC
success or failure code.
Fixes:
|
||
|
Marc Zyngier
|
146f76cc84 |
KVM: arm64: PMU: Fix per-CPU access in preemptible context
Commit |
||
|
Linus Torvalds
|
dcb7fd82c7 | Linux 5.8-rc4 | ||
|
Linus Torvalds
|
bb5a93aaf2 |
x86/ldt: use "pr_info_once()" instead of open-coding it badly
Using a mutex for "print this warning only once" is so overdesigned as to be actively offensive to my sensitive stomach. Just use "pr_info_once()" that already does this, although in a (harmlessly) racy manner that can in theory cause the message to be printed twice if more than one CPU races on that "is this the first time" test. [ If somebody really cares about that harmless data race (which sounds very unlikely indeed), that person can trivially fix printk_once() by using a simple atomic access, preferably with an optimistic non-atomic test first before even bothering to treat the pointless "make sure it is _really_ just once" case. A mutex is most definitely never the right primitive to use for something like this. ] Yes, this is a small and meaningless detail in a code path that hardly matters. But let's keep some code quality standards here, and not accept outrageously bad code. Link: https://lore.kernel.org/lkml/CAHk-=wgV9toS7GU3KmNpj8hCS9SeF+A0voHS8F275_mgLhL4Lw@mail.gmail.com/ Cc: Andy Lutomirski <luto@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
72674d4800 |
A series of fixes for x86:
- Reset MXCSR in kernel_fpu_begin() to prevent using a stale user space
value.
- Prevent writing MSR_TEST_CTRL on CPUs which are not explicitly
whitelisted for split lock detection. Some CPUs which do not support
it crash even when the MSR is written to 0 which is the default value.
- Fix the XEN PV fallout of the entry code rework
- Fix the 32bit fallout of the entry code rework
- Add more selftests to ensure that these entry problems don't come back.
- Disable 16 bit segments on XEN PV. It's not supported because XEN PV
does not implement ESPFIX64
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Merge tag 'x86-urgent-2020-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"A series of fixes for x86:
- Reset MXCSR in kernel_fpu_begin() to prevent using a stale user
space value.
- Prevent writing MSR_TEST_CTRL on CPUs which are not explicitly
whitelisted for split lock detection. Some CPUs which do not
support it crash even when the MSR is written to 0 which is the
default value.
- Fix the XEN PV fallout of the entry code rework
- Fix the 32bit fallout of the entry code rework
- Add more selftests to ensure that these entry problems don't come
back.
- Disable 16 bit segments on XEN PV. It's not supported because XEN
PV does not implement ESPFIX64"
* tag 'x86-urgent-2020-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ldt: Disable 16-bit segments on Xen PV
x86/entry/32: Fix #MC and #DB wiring on x86_32
x86/entry/xen: Route #DB correctly on Xen PV
x86/entry, selftests: Further improve user entry sanity checks
x86/entry/compat: Clear RAX high bits on Xen PV SYSENTER
selftests/x86: Consolidate and fix get/set_eflags() helpers
selftests/x86/syscall_nt: Clear weird flags after each test
selftests/x86/syscall_nt: Add more flag combinations
x86/entry/64/compat: Fix Xen PV SYSENTER frame setup
x86/entry: Move SYSENTER's regs->sp and regs->flags fixups into C
x86/entry: Assert that syscalls are on the right stack
x86/split_lock: Don't write MSR_TEST_CTRL on CPUs that aren't whitelisted
x86/fpu: Reset MXCSR to default in kernel_fpu_begin()
|
||
|
Linus Torvalds
|
f23dbe1893 |
A set of interrupt chip driver fixes:
- Ensure the atomicity of affinity updates in the GIC driver.
- Don't try to sleep in atomic context when waiting for the GICv4.1 to
respond. Use polling instead.
- Typo fixes in Kconfig and warnings.
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Merge tag 'irq-urgent-2020-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A set of interrupt chip driver fixes:
- Ensure the atomicity of affinity updates in the GIC driver
- Don't try to sleep in atomic context when waiting for the GICv4.1
to respond. Use polling instead.
- Typo fixes in Kconfig and warnings"
* tag 'irq-urgent-2020-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic: Atomically update affinity
irqchip/riscv-intc: Fix a typo in a pr_warn()
irqchip/gic-v4.1: Use readx_poll_timeout_atomic() to fix sleep in atomic
irqchip/loongson-pci-msi: Fix a typo in Kconfig
|
||
|
Linus Torvalds
|
5465a324af |
A single fix for a printk format warning in RCU.
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||
|
Linus Torvalds
|
4bc927367d |
Kbuild fixes for v5.8 (2nd)
- fix various bugs in xconfig - fix some issues in cross-compilation using Clang - fix documentation -----BEGIN PGP SIGNATURE----- iQJJBAABCgAzFiEEbmPs18K1szRHjPqEPYsBB53g2wYFAl8B7PAVHG1hc2FoaXJv eUBrZXJuZWwub3JnAAoJED2LAQed4NsGKnwP/2lAwlPJYRjBv0cLZ8HI1F8xbVFl P+/JPkF0me/4mXU0ZJzP+zeLq9rfjL9298FwkVtPoTybPCSsONVEuoIMZ5gCXYxc IJ6o7pwmSF7T7VNtI6lx+l4BKmULYnPpTnZsqutKKLjAO+o2SiHju3ZSgfWUXVuc NyQIFSBQzoI1KkbNHpuAryWc0WXm6Gfeg3//Sqqk/pPmXkNcQAIzM274HvrSnCvq /RLUd0SDTXP7XlbleZQhms1FJp3IXkSXAGdA0HsF8sH8oCz+4wWcXk72k4j9INXi aPACxZvO/hM4N9LJliL4eJjjHfmbnDppczr+Kb5KYCb9dEV9vVkbYWyz98YA+/Y/ 1EgynxLxHrU534M7tAhRAb0k/xVGodhRj0KEMPGRgzeWGtXaxKSe0Z5NBqs0nj5Z dMtJuzEMG1ey56jhRj2408IUUmOmHEh+IDsM8HQ/tcjrI5fpKP505RT6gvLBWX6M IPPYo2cC9wHfyEC1dPjJ+aaOeqnSJ9+7ui7iv5vJQ1M6PyOkHeXaU1jCeOGg5qLe zfjn2U11uK3BLgedzahB/lEBXfblDlFuG0b7XyXnyyhkICt1CT7aPvznrGxSUlEw EuZLrIMHqRwMyrs7PTo41m2hf3hqh+juhPuxiEngi5NqH/GKBnvLJQDGFkbupqim ZFGZnMVeZR7Prulc =0BKC -----END PGP SIGNATURE----- Merge tag 'kbuild-fixes-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes frin Masahiro Yamada: - fix various bugs in xconfig - fix some issues in cross-compilation using Clang - fix documentation * tag 'kbuild-fixes-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: .gitignore: Do not track `defconfig` from `make savedefconfig` kbuild: make Clang build userprogs for target architecture kbuild: fix CONFIG_CC_CAN_LINK(_STATIC) for cross-compilation with Clang kconfig: qconf: parse newer types at debug info kconfig: qconf: navigate menus on hyperlinks kconfig: qconf: don't show goback button on splitMode kconfig: qconf: simplify the goBack() logic kconfig: qconf: re-implement setSelected() kconfig: qconf: make debug links work again kconfig: qconf: make search fully work again on split mode kconfig: qconf: cleanup includes docs: kbuild: fix ReST formatting gcc-plugins: fix gcc-plugins directory path in documentation |
||
|
Linus Torvalds
|
19a61a753d |
SCSI fixes on 20200705
Four small fixes in three drivers. The mptfusion one has actually caused use visible issues in certain kernel configurations. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCXwHvbyYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishdIvAP9MBVi0 dB0UNCI3vFzp1tSSEADFqBBWPceCoT0eBMOgfwD/Vt57Hxk99OFtoxQf4vkswtry eZDpyMTwZxEGGQW3XWU= =VXXZ -----END PGP SIGNATURE----- Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Four small fixes in three drivers. The mptfusion one has actually caused user visible issues in certain kernel configurations" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: mptfusion: Don't use GFP_ATOMIC for larger DMA allocations scsi: libfc: Skip additional kref updating work event scsi: libfc: Handling of extra kref scsi: qla2xxx: Fix a condition in qla2x00_find_all_fabric_devs() |
||
|
Linus Torvalds
|
29206c6314 |
block-5.8-2020-07-05
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Merge tag 'block-5.8-2020-07-05' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe fixes from Christoph:
- Fix crash in multi-path disk add (Christoph)
- Fix ignore of identify error (Sagi)
- Fix a compiler complaint that a function should be static (Wei)
* tag 'block-5.8-2020-07-05' of git://git.kernel.dk/linux-block:
block: make function __bio_integrity_free() static
nvme: fix a crash in nvme_mpath_add_disk
nvme: fix identify error status silent ignore
|
||
|
Linus Torvalds
|
9fbe565cb7 |
io_uring-5.8-2020-07-05
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||
|
Linus Torvalds
|
7783485401 |
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang: "The usual driver fixes and documentation updates" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: mlxcpld: check correct size of maximum RECV_LEN packet i2c: add Kconfig help text for slave mode i2c: slave-eeprom: update documentation i2c: eg20t: Load module automatically if ID matches i2c: designware: platdrv: Set class based on DMI i2c: algo-pca: Add 0x78 as SCL stuck low status for PCA9665 |
||
|
Linus Torvalds
|
45a5ac7a5c |
A few MIPS fixes:
- fix for missing hazard barrier - DT fix for ingenic - DT fix of GPHY names for lantiq - fix usage of smp_processor_id() while preemption is enabled -----BEGIN PGP SIGNATURE----- iQJOBAABCAA4FiEEbt46xwy6kEcDOXoUeZbBVTGwZHAFAl8Bpt8aHHRzYm9nZW5k QGFscGhhLmZyYW5rZW4uZGUACgkQeZbBVTGwZHBVlA/+JsNymfzLCaUHgEyjDzfp R7x3/UUNHOF659MKebEIJEd/Rmhj+pg5682e3SugpNlOxuadB7Kl1j0SYNdVbR0h Dg7ztP3osWbymoJG829xLvpYMlLGLuNaNUBV/8mFNwPy2bijmgkObYyeciFEQlvy skHihVZCYQ1qVqMtDlNEmMGU0V6JTHuqOfdF7+d7ZmkwHpKGDBgR0BL3rhQREHif iawKjkhuemgVpw0g6ULpuWlwvsgTbQNoaMIIGIlsaGfYWlyBnlnhbiZHg+WwC5Ey zzuDFybQq9K+cylgwlrn7ypxCpUBfKCVzYUcEOcQC4+BPt74t1mwfS24FQS3HDol pQ9lpIPLkm5m0kxokUT8Ei/lcSA1NeiubMOGQJaEc+7gpyBTcw+ChLB242cilngB CzME5hppGEQlkBefS8CYZaOGUhhU0qaqm6WMkcQ0YIuiyo+ZmwQ6nwyVNbDB/BMb vK99mgCf96PWqu8vcCcifC+O/wSBOUrMD3vljAswY6xwP9gQ4WYFAcielEXoSVMV sIlVHNbDivpb6e41zerK+KU9Z1oCgPnFKT6FmkDtdQWQ4iDfOEUi/n72NlNfH5xT MDGaaYVYuW3M1eR4Tlahe+UA2qIleZDc9DgORhu1kwlxecMfQSaBdKh1G9ifqw58 ZbzM1YrJHHh2xEBvhjpGaZU= =A4AW -----END PGP SIGNATURE----- Merge tag 'mips_fixes_5.8_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux Pull MIPS fixes from Thomas Bogendoerfer: - fix for missing hazard barrier - DT fix for ingenic - DT fix of GPHY names for lantiq - fix usage of smp_processor_id() while preemption is enabled * tag 'mips_fixes_5.8_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: MIPS: Do not use smp_processor_id() in preemptible code MIPS: Add missing EHB in mtc0 -> mfc0 sequence for DSPen MIPS: ingenic: gcw0: Fix HP detection GPIO. MIPS: lantiq: xway: sysctrl: fix the GPHY clock alias names |
||
|
Xingxing Su
|
5868347a19 |
MIPS: Do not use smp_processor_id() in preemptible code
Use preempt_disable() to fix the following bug under CONFIG_DEBUG_PREEMPT. [ 21.915305] BUG: using smp_processor_id() in preemptible [00000000] code: qemu-system-mip/1056 [ 21.923996] caller is do_ri+0x1d4/0x690 [ 21.927921] CPU: 0 PID: 1056 Comm: qemu-system-mip Not tainted 5.8.0-rc2 #3 [ 21.934913] Stack : 0000000000000001 ffffffff81370000 ffffffff8071cd60 a80f926d5ac95694 [ 21.942984] a80f926d5ac95694 0000000000000000 98000007f0043c88 ffffffff80f2fe40 [ 21.951054] 0000000000000000 0000000000000000 0000000000000001 0000000000000000 [ 21.959123] ffffffff802d60cc 98000007f0043dd8 ffffffff81f4b1e8 ffffffff81f60000 [ 21.967192] ffffffff81f60000 ffffffff80fe0000 ffff000000000000 0000000000000000 [ 21.975261] fffffffff500cce1 0000000000000001 0000000000000002 0000000000000000 [ 21.983331] ffffffff80fe1a40 0000000000000006 ffffffff8077f940 0000000000000000 [ 21.991401] ffffffff81460000 98000007f0040000 98000007f0043c80 000000fffba8cf20 [ 21.999471] ffffffff8071cd60 0000000000000000 0000000000000000 0000000000000000 [ 22.007541] 0000000000000000 0000000000000000 ffffffff80212ab4 a80f926d5ac95694 [ 22.015610] ... [ 22.018086] Call Trace: [ 22.020562] [<ffffffff80212ab4>] show_stack+0xa4/0x138 [ 22.025732] [<ffffffff8071cd60>] dump_stack+0xf0/0x150 [ 22.030903] [<ffffffff80c73f5c>] check_preemption_disabled+0xf4/0x100 [ 22.037375] [<ffffffff80213b84>] do_ri+0x1d4/0x690 [ 22.042198] [<ffffffff8020b828>] handle_ri_int+0x44/0x5c [ 24.359386] BUG: using smp_processor_id() in preemptible [00000000] code: qemu-system-mip/1072 [ 24.368204] caller is do_ri+0x1a8/0x690 [ 24.372169] CPU: 4 PID: 1072 Comm: qemu-system-mip Not tainted 5.8.0-rc2 #3 [ 24.379170] Stack : 0000000000000001 ffffffff81370000 ffffffff8071cd60 a80f926d5ac95694 [ 24.387246] a80f926d5ac95694 0000000000000000 98001007ef06bc88 ffffffff80f2fe40 [ 24.395318] 0000000000000000 0000000000000000 0000000000000001 0000000000000000 [ 24.403389] ffffffff802d60cc 98001007ef06bdd8 ffffffff81f4b818 ffffffff81f60000 [ 24.411461] ffffffff81f60000 ffffffff80fe0000 ffff000000000000 0000000000000000 [ 24.419533] fffffffff500cce1 0000000000000001 0000000000000002 0000000000000000 [ 24.427603] ffffffff80fe0000 0000000000000006 ffffffff8077f940 0000000000000020 [ 24.435673] ffffffff81460020 98001007ef068000 98001007ef06bc80 000000fffbbbb370 [ 24.443745] ffffffff8071cd60 0000000000000000 0000000000000000 0000000000000000 [ 24.451816] 0000000000000000 0000000000000000 ffffffff80212ab4 a80f926d5ac95694 [ 24.459887] ... [ 24.462367] Call Trace: [ 24.464846] [<ffffffff80212ab4>] show_stack+0xa4/0x138 [ 24.470029] [<ffffffff8071cd60>] dump_stack+0xf0/0x150 [ 24.475208] [<ffffffff80c73f5c>] check_preemption_disabled+0xf4/0x100 [ 24.481682] [<ffffffff80213b58>] do_ri+0x1a8/0x690 [ 24.486509] [<ffffffff8020b828>] handle_ri_int+0x44/0x5c Signed-off-by: Xingxing Su <suxingxing@loongson.cn> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> |
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|
Hauke Mehrtens
|
fcec538ef8 |
MIPS: Add missing EHB in mtc0 -> mfc0 sequence for DSPen
This resolves the hazard between the mtc0 in the change_c0_status() and the mfc0 in configure_exception_vector(). Without resolving this hazard configure_exception_vector() could read an old value and would restore this old value again. This would revert the changes change_c0_status() did. I checked this by printing out the read_c0_status() at the end of per_cpu_trap_init() and the ST0_MX is not set without this patch. The hazard is documented in the MIPS Architecture Reference Manual Vol. III: MIPS32/microMIPS32 Privileged Resource Architecture (MD00088), rev 6.03 table 8.1 which includes: Producer | Consumer | Hazard ----------|----------|---------------------------- mtc0 | mfc0 | any coprocessor 0 register I saw this hazard on an Atheros AR9344 rev 2 SoC with a MIPS 74Kc CPU. There the change_c0_status() function would activate the DSPen by setting ST0_MX in the c0_status register. This was reverted and then the system got a DSP exception when the DSP registers were saved in save_dsp() in the first process switch. The crash looks like this: [ 0.089999] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) [ 0.097796] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) [ 0.107070] Kernel panic - not syncing: Unexpected DSP exception [ 0.113470] Rebooting in 1 seconds.. We saw this problem in OpenWrt only on the MIPS 74Kc based Atheros SoCs, not on the 24Kc based SoCs. We only saw it with kernel 5.4 not with kernel 4.19, in addition we had to use GCC 8.4 or 9.X, with GCC 8.3 it did not happen. In the kernel I bisected this problem to commit |
||
|
Paul Menzel
|
ba77dca584 |
.gitignore: Do not track defconfig from make savedefconfig
Running `make savedefconfig` creates by default `defconfig`, which is, currently, on git’s radar, for example, `git status` lists this file as untracked. So, add the file to `.gitignore`, so it’s ignored by git. Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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|
Linus Torvalds
|
9bc0b029a8 |
powerpc fixes for 5.8 #5
One fix for a regression in our pkey handling, which exhibits as PROT_EXEC mappings taking continuous page faults. Thanks to: Jan Stancek, Aneesh Kumar K.V. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEJFGtCPCthwEv2Y/bUevqPMjhpYAFAl8AgLcTHG1wZUBlbGxl cm1hbi5pZC5hdQAKCRBR6+o8yOGlgPPVD/9ocLMHUsHTOtZCpSjJ/FcQILDapUty /TRutcDxS8YYEyvUn+Azhsezigr+raeHsiqw7qA9xk763RfCmGNb35GyTGgA/93L XLN7P04O8tQSz5Nm9AGB2d0HOD7Y/ihabtQ9dZf6SYwEupfP5reA39uj/11gqOlP 6iHhzf0hyjREojy/fjsP+4J5FSukkmte/d2HiRfgwyfAkWvhCsp3cqu7wtciD/8g kCyl2TY0vpbaRaW6jGNwZD9pp6rVOQzc13F+ery6oqKuVdpmg3ormrBXtE+oATXS IX4qsO3nRO/nuImaWFW9nkM3s4RNMjNYYWwjC6XrqD6IqlLUgxsESorI6ShvCuiA kwI2auSxqesdmBNOpVB0qvdShKyVO1Xcy2ImGgHq0YNgwKpkR8e8xKqJKIXxBHOj jGHneLrH2NzJMIQOwdCPVjoxoQdIcIs2B5L20bCVvtAEtSr4rSPeTpxPEdbikiKv tQP2eRO9n2LNSxX8+aLdfytzOThS9LDDUa+zAaWl94lNNzcLnCvMjnRoYYHoISq4 x+ncTs1h1j2Z7GmYCLAEOUUuLyDR7HXszxVtIQYK1MHcFz+prcorlKNTZ4ai4Azu eMDMJvavmXhkAmCkqL6W8CoWsK1sBDdcS2iBWm+EAsyhIHum2YJWDZb4O5bzNQxK 1HBgRcjpsDUWQQ== =c2Xc -----END PGP SIGNATURE----- Merge tag 'powerpc-5.8-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "One fix for a regression in our pkey handling, which exhibits as PROT_EXEC mappings taking continuous page faults. Thanks to: Jan Stancek, Aneesh Kumar K.V" * tag 'powerpc-5.8-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/mm/pkeys: Make pkey access check work on execute_only_key |
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|
Linus Torvalds
|
ec84c3f6ef |
arm64 fixes for -rc4
- Fix alternative patching for very large kernel images and modules
- Hook up existing CPU errata workarounds for Qualcomm Kryo CPUs
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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:
"Nothing earth-shattering, really - some CPU errata workarounds (one
day they'll get it right, ha!) and a fix for a boot failure with very
large kernel images where the alternative patching gets confused when
patching relative branches using veneers.
- Fix alternative patching for very large kernel images and modules
- Hook up existing CPU errata workarounds for Qualcomm Kryo CPUs"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Add KRYO4XX silver CPU cores to erratum list 1530923 and 1024718
arm64: Add KRYO4XX gold CPU cores to erratum list 1463225 and
|
||
|
Jens Axboe
|
b7db41c9e0 |
io_uring: fix regression with always ignoring signals in io_cqring_wait()
When switching to TWA_SIGNAL for task_work notifications, we also made
any signal based condition in io_cqring_wait() return -ERESTARTSYS.
This breaks applications that rely on using signals to abort someone
waiting for events.
Check if we have a signal pending because of queued task_work, and
repeat the signal check once we've run the task_work. This provides a
reliable way of telling the two apart.
Additionally, only use TWA_SIGNAL if we are using an eventfd. If not,
we don't have the dependency situation described in the original commit,
and we can get by with just using TWA_RESUME like we previously did.
Fixes:
|
||
|
Andy Lutomirski
|
cc801833a1 |
x86/ldt: Disable 16-bit segments on Xen PV
Xen PV doesn't implement ESPFIX64, so they don't work right. Disable them. Also print a warning the first time anyone tries to use a 16-bit segment on a Xen PV guest that would otherwise allow it to help people diagnose this change in behavior. This gets us closer to having all x86 selftests pass on Xen PV. Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/92b2975459dfe5929ecf34c3896ad920bd9e3f2d.1593795633.git.luto@kernel.org |
||
|
Andy Lutomirski
|
13cbc0cd4a |
x86/entry/32: Fix #MC and #DB wiring on x86_32
DEFINE_IDTENTRY_MCE and DEFINE_IDTENTRY_DEBUG were wired up as non-RAW on x86_32, but the code expected them to be RAW. Get rid of all the macro indirection for them on 32-bit and just use DECLARE_IDTENTRY_RAW and DEFINE_IDTENTRY_RAW directly. Also add a warning to make sure that we only hit the _kernel paths in kernel mode. Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/9e90a7ee8e72fd757db6d92e1e5ff16339c1ecf9.1593795633.git.luto@kernel.org |
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|
Andy Lutomirski
|
f41f082422 |
x86/entry/xen: Route #DB correctly on Xen PV
On Xen PV, #DB doesn't use IST. It still needs to be correctly routed
depending on whether it came from user or kernel mode.
Get rid of DECLARE/DEFINE_IDTENTRY_XEN -- it was too hard to follow the
logic. Instead, route #DB and NMI through DECLARE/DEFINE_IDTENTRY_RAW on
Xen, and do the right thing for #DB. Also add more warnings to the
exc_debug* handlers to make this type of failure more obvious.
This fixes various forms of corruption that happen when usermode
triggers #DB on Xen PV.
Fixes:
|
||
|
Andy Lutomirski
|
3c73b81a91 |
x86/entry, selftests: Further improve user entry sanity checks
Chasing down a Xen bug caused me to realize that the new entry sanity checks are still fairly weak. Add some more checks. Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/881de09e786ab93ce56ee4a2437ba2c308afe7a9.1593795633.git.luto@kernel.org |
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|
Andy Lutomirski
|
db5b2c5a90 |
x86/entry/compat: Clear RAX high bits on Xen PV SYSENTER
Move the clearing of the high bits of RAX after Xen PV joins the SYSENTER
path so that Xen PV doesn't skip it.
Arguably this code should be deleted instead, but that would belong in the
merge window.
Fixes:
|
||
|
Linus Torvalds
|
35e884f89d |
xen: branch for v5.8-rc4
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRTLbB6QfY48x44uB6AXGG7T9hjvgUCXwAncgAKCRCAXGG7T9hj vnLwAQCoKia3CSIzLZ6MMx/dWF+ntr3frTk2g8J02MURAA1GhgEAxybfOoOMJi0P 8+1UsjLWidW3Zh0UJHK5q9xqRw/Jkg0= =mkfk -----END PGP SIGNATURE----- Merge tag 'for-linus-5.8b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fixes from Juergen Gross: "One small cleanup patch for ARM and two patches for the xenbus driver fixing latent problems (large stack allocations and bad return code settings)" * tag 'for-linus-5.8b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/xenbus: let xenbus_map_ring_valloc() return errno values only xen/xenbus: avoid large structs and arrays on the stack arm/xen: remove the unused macro GRANT_TABLE_PHYSADDR |
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|
Wolfram Sang
|
597911287f |
i2c: mlxcpld: check correct size of maximum RECV_LEN packet
I2C_SMBUS_BLOCK_MAX defines already the maximum number as defined in the
SMBus 2.0 specs. I don't see a reason to add 1 here. Also, fix the errno
to what is suggested for this error.
Fixes:
|
||
|
Linus Torvalds
|
8b082a41da |
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull sysctl fix from Al Viro: "Another regression fix for sysctl changes this cycle..." * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: Call sysctl_head_finish on error |
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|
Wolfram Sang
|
58e64b050d |
i2c: add Kconfig help text for slave mode
I can't recall why there was none, but we surely want to have it. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Wolfram Sang <wsa@kernel.org> |
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|
Wolfram Sang
|
59d3d6042d |
i2c: slave-eeprom: update documentation
Add more details which have either been missing ever since or describe recent additions. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net> Signed-off-by: Wolfram Sang <wsa@kernel.org> |
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|
Andy Shevchenko
|
5f90786b31 |
i2c: eg20t: Load module automatically if ID matches
The driver can't be loaded automatically because it misses module alias to be provided. Add corresponding MODULE_DEVICE_TABLE() call to the driver. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@kernel.org> |
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|
Ricardo Ribalda
|
db2a8b6f1d |
i2c: designware: platdrv: Set class based on DMI
Current AMD's zen-based APUs use this core for some of its i2c-buses.
With this patch we re-enable autodetection of hwmon-alike devices, so
lm-sensors will be able to work automatically.
It does not affect the boot-time of embedded devices, as the class is
set based on the DMI information.
DMI is probed only on Qtechnology QT5222 Industrial Camera Platform.
DocLink: https://qtec.com/camera-technology-camera-platforms/
Fixes:
|
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|
Chris Packham
|
cd217f2300 |
i2c: algo-pca: Add 0x78 as SCL stuck low status for PCA9665
The PCA9665 datasheet says that I2CSTA = 78h indicates that SCL is stuck
low, this differs to the PCA9564 which uses 90h for this indication.
Treat either 0x78 or 0x90 as an indication that the SCL line is stuck.
Based on looking through the PCA9564 and PCA9665 datasheets this should
be safe for both chips. The PCA9564 should not return 0x78 for any valid
state and the PCA9665 should not return 0x90.
Fixes:
|
||
|
Linus Torvalds
|
b8e516b367 |
8 cifs/smb3 fixes, most when specifying the multiuser mount flag, 5 of the fixes for stable.
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|
Linus Torvalds
|
6f216714a6 |
hwmon fixes for v5.8-rc4
Accumulated hwmon patches: - Fix typo in Kconfig SENSORS_IR35221 option - Fix potential memory leak in acpi_power_meter_add() - Make sure the OVERT mask is set correctly in max6697 driver - In PMBus core, fix page vs. register when accessing fans - Mark is_visible functions static in bt1-pvt driver - Define Temp- and Volt-to-N poly as maybe-unused in bt1-pvt driver -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiHPvMQj9QTOCiqgVyx8mb86fmYEFAl7/quEACgkQyx8mb86f mYGSeg/7BaJI66dvQ+r+nRqlyEwJxK7j2a7EvOPwNUNcbBYp5uooXpK+xXcSShYn bwPJVREWz6jY5F+pi7vehpXPhRLwdNRZulElYi6GEgd6BvzVQwVcQHAhajqAjvDN 2ILd+22IAmrWdCfHT0dNvt4+p0HOHsHKva7Jo9HsnLgQVDENg/0iUjKhGSCc3J5Q 542cdLlO0ExZSW/K1cWL5IazQiVSMeH+VE+53NKOMurj2vMdK0wIoy0NDMSj1sMO 8/SzvibKZuFUqKgzu3p6IsUSWH2a+v9GsrxvymcfQ7TnsYH7HsdpjA/ggZ1PL9vQ bhUkVPRsZwLYbo9YAyH2d64JLLOl2GIRpdfr8yn1wQLsbwpByu1i/uXtdZM0v5Qo A8gaqP+ptxVAxtxErDiaw8S4grHIKdsJQuRoh3rwszmPcJ2kKB4V/jPVtrD7v/ag eBn9yGx61WSr81I4jY7l+Keg6RTkOXD5KXGinzazWUb6vc/aaN0vLz/Rn4f4Ha8q HIFrCciMDaSaecXkT7K6ZVt3Oha4++xWo1ztTJGUC9Lhj5d9AQn0hrO2FiPI6UAs qwVNiEwtNDcbVaZTbAsgepEYS9d3ABcz/Nu9tSjCUxqOKt95+/ngh+bBX45fd68q fEajLN6Ehy5Lzfrkq30ViUCjE+gxim6zWZpubV91iZCqO7g5EL0= =3guP -----END PGP SIGNATURE----- Merge tag 'hwmon-for-v5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fixes from Guenter Roeck: - Fix typo in Kconfig SENSORS_IR35221 option - Fix potential memory leak in acpi_power_meter_add() - Make sure the OVERT mask is set correctly in max6697 driver - In PMBus core, fix page vs. register when accessing fans - Mark is_visible functions static in bt1-pvt driver - Define Temp- and Volt-to-N poly as maybe-unused in bt1-pvt driver * tag 'hwmon-for-v5.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (pmbus) fix a typo in Kconfig SENSORS_IR35221 option hwmon: (acpi_power_meter) Fix potential memory leak in acpi_power_meter_add() hwmon: (max6697) Make sure the OVERT mask is set correctly hwmon: (pmbus) Fix page vs. register when accessing fans hwmon: (bt1-pvt) Mark is_visible functions static hwmon: (bt1-pvt) Define Temp- and Volt-to-N poly as maybe-unused |
||
|
Linus Torvalds
|
bc2391e7bd |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "Subsystems affected by this patch series: mm/hugetlb, samples, mm/cma, mm/vmalloc, mm/pagealloc" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm/page_alloc: fix documentation error vmalloc: fix the owner argument for the new __vmalloc_node_range callers mm/cma.c: use exact_nid true to fix possible per-numa cma leak samples/vfs: avoid warning in statx override mm/hugetlb.c: fix pages per hugetlb calculation |