Some newer devices with a goodix touchscreen use GDIX1002 as ACPI HID
rather then GDIX1001. These devices work fine with the goodix driver
as is.
This commit adds the new "GDIX1002" ACPI HID to make the touchscreen
work on these devices.
Buglink: https://www.reddit.com/r/gpdwin/comments/8lwy8n/gpd_win_2_linux_touchscreen…
Cc: stable(a)vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede(a)redhat.com>
---
drivers/input/touchscreen/goodix.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c
index 9736c83dd418..f2d9c2c41885 100644
--- a/drivers/input/touchscreen/goodix.c
+++ b/drivers/input/touchscreen/goodix.c
@@ -933,6 +933,7 @@ MODULE_DEVICE_TABLE(i2c, goodix_ts_id);
#ifdef CONFIG_ACPI
static const struct acpi_device_id goodix_acpi_match[] = {
{ "GDIX1001", 0 },
+ { "GDIX1002", 0 },
{ }
};
MODULE_DEVICE_TABLE(acpi, goodix_acpi_match);
--
2.17.1
Chris Chiu (1):
tpm: self test failure should not cause suspend to fail
Enric Balletbo i Serra (1):
tpm: do not suspend/resume if power stays on
drivers/char/tpm/tpm-chip.c | 12 ++++++++++++
drivers/char/tpm/tpm-interface.c | 7 +++++++
drivers/char/tpm/tpm.h | 1 +
3 files changed, 20 insertions(+)
--
v3: use CONFIG_OF flag
v2: moved the check from tpm_of.c to tpm-chip.c as in v4.4 chip is
unreachable otherwise. I did compilation test now with BuildRoot
for power arch.
2.17.0
From: Arnaldo Carvalho de Melo <acme(a)redhat.com>
Hi Ingo,
Please consider pulling,
- Arnaldo
Test results at the end of this message, as usual.
The following changes since commit 7869e5889477e4e32e4024d665431b35e8b7b693:
Merge remote-tracking branch 'tip/perf/urgent' into perf/core (2018-06-04 10:28:20 -0300)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo-4.18-20180605
for you to fetch changes up to 03ac4e71cd120d2c3411d106d00d266114575f74:
perf intel-pt: Fix "Unexpected indirect branch" error (2018-06-05 12:28:52 -0300)
----------------------------------------------------------------
perf/core improvements and fixes:
perf stat:
. Display user and system time for workload targets (Jiri Olsa)
perf record:
. Enable arbitrary event names thru name= modifier (Alexey Budankov)
PowerPC:
. Add a python script for hypervisor call statistics (Ravi Bangoria)
Intel PT: (Adrian Hunter)
. Fix sync_switch INTEL_PT_SS_NOT_TRACING
. Fix decoding to accept CBR between FUP and corresponding TIP
. Fix MTC timing after overflow
. Fix "Unexpected indirect branch" error
perf test:
. record+probe_libc_inet_pton:
. To get the symbol table for dynamic
shared objects on ubuntu we need to pass the -D/--dynamic command line
option, unlike with the fedora distros (Arnaldo Carvalho de Melo)
. code-reading:
. Fix perf_env setup for PTI entry trampolines (Adrian Hunter)
. kmod-path:
. Add tests for vdso32 and vdsox32 (Adrian Hunter)
. Use header file util/debug.h (Thomas Richter)
perf annotate:
. Make the various UI backends (stdio, TUI, gtk) use more consistently
structs with annotation options as specified by the user (Arnaldo Carvalho de Melo)
. Move annotation specific knobs from the symbol_conf global kitchen
sink to the annotation option structs (Arnaldo Carvalho de Melo)
Core:
. Fix misleading error for some unparsable events mentioning PMUs when
those are not involved in the problem (Jiri Olsa)
- Fix symbol and object code resolution for vdso32 and vdsox32 (Adrian Hunter)
. No need to check for null when passing pointers to foo__get() style
refcount grabbing helpers, just like in the kernel and with free(),
its safe to pass a NULL pointer to avoid having to check it before
each and every foo__get() call (Arnaldo Carvalho de Melo)
. Remove some dead code (quote.[ch]) (Arnaldo Carvalho de Melo)
. Remove some needless globals, making them local (Arnaldo Carvalho de Melo)
. Reduce usage of symbol_conf.use_callchain, using other means of
finding out if callchains are in use or available for specific events,
as we evolved this codebase to allow requesting callchains for just
a subset of the monitored events. In time it will help polish
recording and showing mixed sets accross the various tools:
perf record -e cycles/call-graph=fp/,cache-misses/call-graph=dwarf/,instructions
(Arnaldo Carvalho de Melo)
. Consider PTI entry trampolines in map__rip_2objdump() (Adrian Hunter)
Signed-off-by: Arnaldo Carvalho de Melo <acme(a)redhat.com>
----------------------------------------------------------------
Adrian Hunter (8):
perf tests kmod-path: Add tests for vdso32 and vdsox32
perf tools: Fix symbol and object code resolution for vdso32 and vdsox32
perf test code-reading: Fix perf_env setup for PTI entry trampolines
perf map: Consider PTI entry trampolines in rip_2objdump()
perf intel-pt: Fix sync_switch INTEL_PT_SS_NOT_TRACING
perf intel-pt: Fix decoding to accept CBR between FUP and corresponding TIP
perf intel-pt: Fix MTC timing after overflow
perf intel-pt: Fix "Unexpected indirect branch" error
Alexey Budankov (1):
perf record: Enable arbitrary event names thru name= modifier
Arnaldo Carvalho de Melo (33):
perf tools: Remove dead quote.[ch] code
perf probe: Use return of map__get() to make code more compact
perf cgroup: Make evlist__find_cgroup() more compact
perf tools: No need to check if the argument to __get() function is NULL
perf annotate: Pass perf_evsel instead of just evsel->idx
perf annotate: __symbol__acount_cycles doesn't need notes
perf annotate: Split allocation of annotated_source struct
perf annotate: Introduce constructor/destructor for annotated_source
perf annotate: Introduce annotated_source__alloc_histograms
perf annotate: __symbol__inc_addr_samples() needs just annotated_source
perf annotate: Introduce symbol__hists()
perf annotate: Introduce symbol__cycle_hists()
perf annotate: Stop using symbol_conf.nr_events global in symbol__hists()
perf annotate: Replace symbol__alloc_hists() with symbol__hists()
perf tools: Ditch the symbol_conf.nr_events global
perf annotate: Add comment about annotated_src->nr_histograms
perf annotate stdio: Use annotation_options consistently
perf srcline: Introduce map__srcline() to make code more compact
perf sort: Introduce addr_map_symbol__srcline() to make code more compact
perf srcline: Make hist_entry srcline helper consistent with map's
perf annotate: Pass annotation_options to symbol__annotate()
perf annotate: Adopt anotation options from symbol_conf
perf annotate: Move disassembler_style global to annotation_options
perf hists browser: Pass annotation_options from tool to browser
perf annotate: Move objdump_path to struct annotation_options
perf report: No need to have report_callchain_help as a global
perf evsel: Add has_callchain() helper to make code more compact/clear
perf script: Check if evsel has callchains before trying to use it
perf sched: Use sched->show_callchain where appropriate
perf hists: Do not allocate space for callchains for evsels without them
perf hists: Introduce hist_entry__has_callchain() method
perf hists: Check if a hist_entry has callchains before using them
perf test record+probe_libc_inet_pton: Ask 'nm' for dynamic symbols
Jiri Olsa (2):
perf stat: Display user and system time
perf tools: Fix pmu events parsing rule
Ravi Bangoria (1):
perf script powerpc: Python script for hypervisor call statistics
Thomas Richter (1):
perf test: Use header file util/debug.h
tools/perf/Documentation/perf-list.txt | 6 +-
tools/perf/Documentation/perf-record.txt | 3 +
tools/perf/Documentation/perf-stat.txt | 40 +++--
tools/perf/arch/common.c | 4 +-
tools/perf/arch/common.h | 4 +-
tools/perf/builtin-annotate.c | 36 ++--
tools/perf/builtin-c2c.c | 2 +-
tools/perf/builtin-kvm.c | 2 -
tools/perf/builtin-probe.c | 3 +-
tools/perf/builtin-report.c | 39 ++--
tools/perf/builtin-sched.c | 14 +-
tools/perf/builtin-script.c | 12 +-
tools/perf/builtin-stat.c | 28 ++-
tools/perf/builtin-top.c | 48 +++--
tools/perf/builtin-trace.c | 2 +-
tools/perf/perf.c | 1 -
.../perf/scripts/python/bin/powerpc-hcalls-record | 2 +
.../perf/scripts/python/bin/powerpc-hcalls-report | 2 +
tools/perf/scripts/python/powerpc-hcalls.py | 200 +++++++++++++++++++++
tools/perf/tests/code-reading.c | 1 +
tools/perf/tests/kmod-path.c | 16 ++
tools/perf/tests/parse-events.c | 4 +-
tools/perf/tests/python-use.c | 3 +-
.../tests/shell/record+probe_libc_inet_pton.sh | 2 +-
tools/perf/ui/browsers/annotate.c | 21 ++-
tools/perf/ui/browsers/hists.c | 43 +++--
tools/perf/ui/browsers/hists.h | 3 +
tools/perf/ui/gtk/annotate.c | 2 +-
tools/perf/ui/gtk/hists.c | 5 +-
tools/perf/ui/hist.c | 2 +-
tools/perf/ui/stdio/hist.c | 4 +-
tools/perf/util/Build | 1 -
tools/perf/util/annotate.c | 160 ++++++++++-------
tools/perf/util/annotate.h | 53 ++++--
tools/perf/util/cgroup.c | 9 +-
tools/perf/util/dso.c | 2 +
tools/perf/util/evsel.c | 4 +-
tools/perf/util/evsel.h | 5 +
tools/perf/util/header.c | 24 ++-
tools/perf/util/hist.c | 23 ++-
tools/perf/util/hist.h | 26 ++-
.../perf/util/intel-pt-decoder/intel-pt-decoder.c | 23 ++-
.../perf/util/intel-pt-decoder/intel-pt-decoder.h | 9 +
tools/perf/util/intel-pt.c | 5 +
tools/perf/util/map.c | 26 ++-
tools/perf/util/map.h | 1 +
tools/perf/util/parse-events.l | 18 +-
tools/perf/util/parse-events.y | 14 +-
tools/perf/util/probe-event.c | 3 +-
tools/perf/util/quote.c | 62 -------
tools/perf/util/quote.h | 31 ----
tools/perf/util/session.c | 2 +-
tools/perf/util/sort.c | 81 +++------
tools/perf/util/sort.h | 7 +-
tools/perf/util/symbol.c | 1 -
tools/perf/util/symbol.h | 3 -
tools/perf/util/top.h | 3 +-
57 files changed, 731 insertions(+), 419 deletions(-)
create mode 100644 tools/perf/scripts/python/bin/powerpc-hcalls-record
create mode 100644 tools/perf/scripts/python/bin/powerpc-hcalls-report
create mode 100644 tools/perf/scripts/python/powerpc-hcalls.py
delete mode 100644 tools/perf/util/quote.c
delete mode 100644 tools/perf/util/quote.h
Test results:
The first ones are container (docker) 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.
# dm
1 alpine:3.4 : Ok gcc (Alpine 5.3.0) 5.3.0
2 alpine:3.5 : Ok gcc (Alpine 6.2.1) 6.2.1 20160822
3 alpine:3.6 : Ok gcc (Alpine 6.3.0) 6.3.0
4 alpine:3.7 : Ok gcc (Alpine 6.4.0) 6.4.0
5 alpine:edge : Ok gcc (Alpine 6.4.0) 6.4.0
6 amazonlinux:1 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-28)
7 amazonlinux:2 : Ok gcc (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5)
8 android-ndk:r12b-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
9 android-ndk:r15c-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
10 centos:5 : Ok gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-55)
11 centos:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-18)
12 centos:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-28)
13 debian:7 : Ok gcc (Debian 4.7.2-5) 4.7.2
14 debian:8 : Ok gcc (Debian 4.9.2-10+deb8u1) 4.9.2
15 debian:9 : Ok gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516
16 debian:experimental : Ok gcc (Debian 7.3.0-19) 7.3.0
17 debian:experimental-x-arm64 : Ok aarch64-linux-gnu-gcc (Debian 7.3.0-19) 7.3.0
18 debian:experimental-x-mips : Ok mips-linux-gnu-gcc (Debian 7.3.0-19) 7.3.0
19 debian:experimental-x-mips64 : Ok mips64-linux-gnuabi64-gcc (Debian 7.3.0-18) 7.3.0
20 debian:experimental-x-mipsel : Ok mipsel-linux-gnu-gcc (Debian 7.3.0-19) 7.3.0
21 fedora:20 : Ok gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
22 fedora:21 : Ok gcc (GCC) 4.9.2 20150212 (Red Hat 4.9.2-6)
23 fedora:22 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6)
24 fedora:23 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6)
25 fedora:24 : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1)
26 fedora:24-x-ARC-uClibc : Ok arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
27 fedora:25 : Ok gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1)
28 fedora:26 : Ok gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2)
29 fedora:27 : Ok gcc (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5)
30 fedora:28 : Ok gcc (GCC) 8.1.1 20180502 (Red Hat 8.1.1-1)
31 fedora:rawhide : Ok gcc (GCC) 8.0.1 20180324 (Red Hat 8.0.1-0.20)
32 gentoo-stage3-amd64:latest : Ok gcc (Gentoo 6.4.0-r1 p1.3) 6.4.0
33 mageia:5 : Ok gcc (GCC) 4.9.2
34 mageia:6 : Ok gcc (Mageia 5.5.0-1.mga6) 5.5.0
35 opensuse:42.1 : Ok gcc (SUSE Linux) 4.8.5
36 opensuse:42.2 : Ok gcc (SUSE Linux) 4.8.5
37 opensuse:42.3 : Ok gcc (SUSE Linux) 4.8.5
38 opensuse:tumbleweed : Ok gcc (SUSE Linux) 7.3.1 20180323 [gcc-7-branch revision 258812]
39 oraclelinux:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-18.0.7)
40 oraclelinux:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-28.0.1)
41 ubuntu:12.04.5 : Ok gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
42 ubuntu:14.04.4 : Ok gcc (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4
43 ubuntu:14.04.4-x-linaro-arm64 : Ok aarch64-linux-gnu-gcc (Linaro GCC 5.5-2017.10) 5.5.0
44 ubuntu:16.04 : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
45 ubuntu:16.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
46 ubuntu:16.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
47 ubuntu:16.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
48 ubuntu:16.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
49 ubuntu:16.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
50 ubuntu:16.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
51 ubuntu:16.10 : Ok gcc (Ubuntu 6.2.0-5ubuntu12) 6.2.0 20161005
52 ubuntu:17.04 : Ok gcc (Ubuntu 6.3.0-12ubuntu2) 6.3.0 20170406
53 ubuntu:17.10 : Ok gcc (Ubuntu 7.2.0-8ubuntu3.2) 7.2.0
54 ubuntu:18.04 : Ok gcc (Ubuntu 7.3.0-16ubuntu3) 7.3.0
#
# perf version
perf version 4.17.rc7.g03ac4e
# git log -1 --oneline
03ac4e71cd12 (HEAD -> perf/core, seventh/perf/core) perf intel-pt: Fix "Unexpected indirect branch" error
# uname -a
Linux jouet 4.17.0-rc5 #21 SMP Mon May 14 15:35:35 -03 2018 x86_64 x86_64 x86_64 GNU/Linux
# 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: DSO data read : Ok
11: DSO data cache : Ok
12: DSO data reopen : Ok
13: Roundtrip evsel->name : Ok
14: Parse sched tracepoints fields : Ok
15: syscalls:sys_enter_openat event fields : Ok
16: Setup struct perf_event_attr : Ok
17: Match and link multiple hists : Ok
18: 'import perf' in python : Ok
19: Breakpoint overflow signal handler : Ok
20: Breakpoint overflow sampling : Ok
21: Breakpoint accounting : Ok
22: Number of exit events of a simple workload : Ok
23: Software clock events period values : Ok
24: Object code reading : Ok
25: Sample parsing : Ok
26: Use a dummy software event to keep tracking : Ok
27: Parse with no sample_id_all bit set : Ok
28: Filter hist entries : Ok
29: Lookup mmap thread : Ok
30: Share thread mg : Ok
31: Sort output of hist entries : Ok
32: Cumulate child hist entries : Ok
33: Track with sched_switch : Ok
34: Filter fds with revents mask in a fdarray : Ok
35: Add fd to a fdarray, making it autogrow : Ok
36: kmod_path__parse : Ok
37: Thread map : Ok
38: LLVM search and compile :
38.1: Basic BPF llvm compile : Ok
38.2: kbuild searching : Ok
38.3: Compile source for BPF prologue generation : Ok
38.4: Compile source for BPF relocation : Ok
39: Session topology : Ok
40: BPF filter :
40.1: Basic BPF filtering : Ok
40.2: BPF pinning : Ok
40.3: BPF prologue generation : Ok
40.4: BPF relocation checker : Ok
41: Synthesize thread map : Ok
42: Remove thread map : Ok
43: Synthesize cpu map : Ok
44: Synthesize stat config : Ok
45: Synthesize stat : Ok
46: Synthesize stat round : Ok
47: Synthesize attr update : Ok
48: Event times : Ok
49: Read backward ring buffer : Ok
50: Print cpu map : Ok
51: Probe SDT events : Ok
52: is_printable_array : Ok
53: Print bitmap : Ok
54: perf hooks : Ok
55: builtin clang support : Skip (not compiled in)
56: unit_number__scnprintf : Ok
57: mem2node : Ok
58: x86 rdpmc : Ok
59: Convert perf time to TSC : Ok
60: DWARF unwind : Ok
61: x86 instruction decoder - new instructions : Ok
62: Use vfs_getname probe to get syscall args filenames : Ok
63: Check open filename arg using perf trace + vfs_getname: Ok
64: probe libc's inet_pton & backtrace it with ping : Ok
65: Add vfs_getname probe to get syscall args filenames : Ok
#
$ make -C tools/perf build-test
make: Entering directory '/home/acme/git/perf/tools/perf'
- tarpkg: ./tests/perf-targz-src-pkg .
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
make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
make_no_libnuma_O: make NO_LIBNUMA=1
make_help_O: make help
make_pure_O: make
make_no_auxtrace_O: make NO_AUXTRACE=1
make_debug_O: make DEBUG=1
make_clean_all_O: make clean all
make_util_map_o_O: make util/map.o
make_no_libelf_O: make NO_LIBELF=1
make_no_libperl_O: make NO_LIBPERL=1
make_no_newt_O: make NO_NEWT=1
make_tags_O: make tags
make_no_libbionic_O: make NO_LIBBIONIC=1
make_install_prefix_O: make install prefix=/tmp/krava
make_no_libpython_O: make NO_LIBPYTHON=1
make_with_babeltrace_O: make LIBBABELTRACE=1
make_install_prefix_slash_O: make install prefix=/tmp/krava/
make_util_pmu_bison_o_O: make util/pmu-bison.o
make_doc_O: make doc
make_no_libaudit_O: make NO_LIBAUDIT=1
make_perf_o_O: make perf.o
make_install_O: make install
make_static_O: make LDFLAGS=-static
make_no_libunwind_O: make NO_LIBUNWIND=1
make_no_demangle_O: make NO_DEMANGLE=1
make_with_clangllvm_O: make LIBCLANGLLVM=1
make_install_bin_O: make install-bin
make_no_slang_O: make NO_SLANG=1
make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
make_no_gtk2_O: make NO_GTK2=1
make_no_libbpf_O: make NO_LIBBPF=1
make_no_backtrace_O: make NO_BACKTRACE=1
OK
make: Leaving directory '/home/acme/git/perf/tools/perf'
$
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Hi Greg,
Pleae pull commits for Linux 4.4 .
I've sent a review request for all commits over a week ago and all
comments were addressed.
Thanks,
Sasha
=====
The following changes since commit 50eb02ed89920f753202d703541bebbd9d8c3dd8:
Linux 4.4.135 (2018-05-30 22:11:35 +0200)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git tags/for-greg-4.4-05062018
for you to fetch changes up to e7c56bba4428180a4aba6975ba6517e8efabe3ba:
mm: fix the NULL mapping case in __isolate_lru_page() (2018-06-05 16:43:17 -0400)
- ----------------------------------------------------------------
for-greg-4.4-05062018
- ----------------------------------------------------------------
Al Viro (1):
fix io_destroy()/aio_complete() race
Eric Dumazet (1):
xfrm6: avoid potential infinite loop in _decode_session6()
Finn Thain (1):
net/sonic: Use dma_mapping_error()
Hugh Dickins (1):
mm: fix the NULL mapping case in __isolate_lru_page()
Ivan Bornyakov (1):
atm: zatm: fix memcmp casting
Josh Hill (1):
net: qmi_wwan: Add Netgear Aircard 779S
Julian Anastasov (1):
ipvs: fix buffer overflow with sync daemon and service
Martin Kelly (1):
iio:kfifo_buf: check for uint overflow
Paolo Abeni (1):
netfilter: ebtables: handle string from userspace with care
drivers/atm/zatm.c | 4 ++--
drivers/iio/buffer/kfifo_buf.c | 7 +++++++
drivers/net/ethernet/natsemi/sonic.c | 2 +-
drivers/net/usb/qmi_wwan.c | 1 +
fs/aio.c | 3 +--
mm/vmscan.c | 2 +-
net/bridge/netfilter/ebtables.c | 3 ++-
net/ipv6/xfrm6_policy.c | 2 +-
net/netfilter/ipvs/ip_vs_ctl.c | 21 +++++++++++++++------
9 files changed, 31 insertions(+), 14 deletions(-)
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From: Alexander Usyskin <alexander.usyskin(a)intel.com>
This fixes regression introduced by
commit 8d52af6795c0 ("mei: speed up the power down flow")
In power down or suspend flow a message can still be received
from the FW because the clients fake disconnection.
In normal case we interpret messages w/o destination as corrupted
and link reset is performed in order to clean the channel,
but during power down link reset is already in progress resulting
in endless loop. To resolve the issue under power down flow we
discard messages silently.
Cc: <stable(a)vger.kernel.org> 4.16+
Fixes: 8d52af6795c0 ("mei: speed up the power down flow")
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=199541
Signed-off-by: Alexander Usyskin <alexander.usyskin(a)intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler(a)intel.com>
---
drivers/misc/mei/interrupt.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index b0b8f18a85e3..6649f0d56d2f 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -310,8 +310,11 @@ int mei_irq_read_handler(struct mei_device *dev,
if (&cl->link == &dev->file_list) {
/* A message for not connected fixed address clients
* should be silently discarded
+ * On power down client may be force cleaned,
+ * silently discard such messages
*/
- if (hdr_is_fixed(mei_hdr)) {
+ if (hdr_is_fixed(mei_hdr) ||
+ dev->dev_state == MEI_DEV_POWER_DOWN) {
mei_irq_discard_msg(dev, mei_hdr);
ret = 0;
goto reset_slots;
--
2.14.4
We used to have pre-set CONFIG_INITRAMFS_SOURCE with local path
to intramfs in ARC defconfigs. This was quite convenient for
in-house development but not that convenient for newcomers
who obviusly don't have folders like "arc_initramfs" next to
the Linux source tree. Which leads to quite surprising failure
of defconfig building:
------------------------------->8-----------------------------
../scripts/gen_initramfs_list.sh: Cannot open '../../arc_initramfs_hs/'
../usr/Makefile:57: recipe for target 'usr/initramfs_data.cpio.gz' failed
make[2]: *** [usr/initramfs_data.cpio.gz] Error 1
------------------------------->8-----------------------------
So now when more and more people start to deal with our defconfigs
let's make their life easier with removal of CONFIG_INITRAMFS_SOURCE.
Signed-off-by: Alexey Brodkin <abrodkin(a)synopsys.com>
Cc: Kevin Hilman <khilman(a)baylibre.com>
Cc: stable(a)vger.kernel.org
Signed-off-by: Alexey Brodkin <abrodkin(a)synopsys.com>
---
arch/arc/configs/axs101_defconfig | 1 -
arch/arc/configs/axs103_defconfig | 1 -
arch/arc/configs/axs103_smp_defconfig | 1 -
arch/arc/configs/haps_hs_defconfig | 1 -
arch/arc/configs/haps_hs_smp_defconfig | 1 -
arch/arc/configs/hsdk_defconfig | 1 -
arch/arc/configs/nsim_700_defconfig | 1 -
arch/arc/configs/nsim_hs_defconfig | 1 -
arch/arc/configs/nsim_hs_smp_defconfig | 1 -
arch/arc/configs/nsimosci_defconfig | 1 -
arch/arc/configs/nsimosci_hs_defconfig | 1 -
arch/arc/configs/nsimosci_hs_smp_defconfig | 1 -
12 files changed, 12 deletions(-)
diff --git a/arch/arc/configs/axs101_defconfig b/arch/arc/configs/axs101_defconfig
index 09f85154c5a4..a635ea972304 100644
--- a/arch/arc/configs/axs101_defconfig
+++ b/arch/arc/configs/axs101_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../arc_initramfs/"
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_VM_EVENT_COUNTERS is not set
diff --git a/arch/arc/configs/axs103_defconfig b/arch/arc/configs/axs103_defconfig
index 09fed3ef22b6..aa507e423075 100644
--- a/arch/arc/configs/axs103_defconfig
+++ b/arch/arc/configs/axs103_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_VM_EVENT_COUNTERS is not set
diff --git a/arch/arc/configs/axs103_smp_defconfig b/arch/arc/configs/axs103_smp_defconfig
index ea2f6d817d1a..eba07f468654 100644
--- a/arch/arc/configs/axs103_smp_defconfig
+++ b/arch/arc/configs/axs103_smp_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_VM_EVENT_COUNTERS is not set
diff --git a/arch/arc/configs/haps_hs_defconfig b/arch/arc/configs/haps_hs_defconfig
index ab231c040efe..098b19fbaa51 100644
--- a/arch/arc/configs/haps_hs_defconfig
+++ b/arch/arc/configs/haps_hs_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"
CONFIG_EXPERT=y
CONFIG_PERF_EVENTS=y
# CONFIG_COMPAT_BRK is not set
diff --git a/arch/arc/configs/haps_hs_smp_defconfig b/arch/arc/configs/haps_hs_smp_defconfig
index cf449cbf440d..0104c404d897 100644
--- a/arch/arc/configs/haps_hs_smp_defconfig
+++ b/arch/arc/configs/haps_hs_smp_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_VM_EVENT_COUNTERS is not set
diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 1b54c72f4296..6491be0ddbc9 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -9,7 +9,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_VM_EVENT_COUNTERS is not set
diff --git a/arch/arc/configs/nsim_700_defconfig b/arch/arc/configs/nsim_700_defconfig
index 31c2c70b34a1..99e05cf63fca 100644
--- a/arch/arc/configs/nsim_700_defconfig
+++ b/arch/arc/configs/nsim_700_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../arc_initramfs/"
CONFIG_KALLSYMS_ALL=y
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
diff --git a/arch/arc/configs/nsim_hs_defconfig b/arch/arc/configs/nsim_hs_defconfig
index a578c721d50f..0dc4f9b737e7 100644
--- a/arch/arc/configs/nsim_hs_defconfig
+++ b/arch/arc/configs/nsim_hs_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"
CONFIG_KALLSYMS_ALL=y
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
diff --git a/arch/arc/configs/nsim_hs_smp_defconfig b/arch/arc/configs/nsim_hs_smp_defconfig
index 37d7395f3272..be3c30a15e54 100644
--- a/arch/arc/configs/nsim_hs_smp_defconfig
+++ b/arch/arc/configs/nsim_hs_smp_defconfig
@@ -9,7 +9,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../arc_initramfs_hs/"
CONFIG_KALLSYMS_ALL=y
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
diff --git a/arch/arc/configs/nsimosci_defconfig b/arch/arc/configs/nsimosci_defconfig
index 1e1470e2a7f0..3a74b9b21772 100644
--- a/arch/arc/configs/nsimosci_defconfig
+++ b/arch/arc/configs/nsimosci_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../arc_initramfs/"
CONFIG_KALLSYMS_ALL=y
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
diff --git a/arch/arc/configs/nsimosci_hs_defconfig b/arch/arc/configs/nsimosci_hs_defconfig
index 084a6e42685b..ea2834b4dc1d 100644
--- a/arch/arc/configs/nsimosci_hs_defconfig
+++ b/arch/arc/configs/nsimosci_hs_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../arc_initramfs_hs/"
CONFIG_KALLSYMS_ALL=y
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
diff --git a/arch/arc/configs/nsimosci_hs_smp_defconfig b/arch/arc/configs/nsimosci_hs_smp_defconfig
index f36d47990415..80a5a1b4924b 100644
--- a/arch/arc/configs/nsimosci_hs_smp_defconfig
+++ b/arch/arc/configs/nsimosci_hs_smp_defconfig
@@ -9,7 +9,6 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../arc_initramfs_hs/"
CONFIG_PERF_EVENTS=y
# CONFIG_COMPAT_BRK is not set
CONFIG_KPROBES=y
--
2.16.2
From: Chintan Pandya <cpandya(a)codeaurora.org>
The following kernel panic was observed on ARM64 platform due to a stale
TLB entry.
1. ioremap with 4K size, a valid pte page table is set.
2. iounmap it, its pte entry is set to 0.
3. ioremap the same address with 2M size, update its pmd entry with
a new value.
4. CPU may hit an exception because the old pmd entry is still in TLB,
which leads to a kernel panic.
Commit b6bdb7517c3d ("mm/vmalloc: add interfaces to free unmapped page
table") has addressed this panic by falling to pte mappings in the above
case on ARM64.
To support pmd mappings in all cases, TLB purge needs to be performed
in this case on ARM64.
Add a new arg, 'addr', to pud_free_pmd_page() and pmd_free_pte_page()
so that TLB purge can be added later in seprate patches.
[toshi(a)hpe.com: merge changes, rewrite patch description]
Fixes: 28ee90fe6048 ("x86/mm: implement free pmd/pte page interfaces")
Signed-off-by: Chintan Pandya <cpandya(a)codeaurora.org>
Signed-off-by: Toshi Kani <toshi.kani(a)hpe.com>
Cc: Andrew Morton <akpm(a)linux-foundation.org>
Cc: Michal Hocko <mhocko(a)suse.com>
Cc: Thomas Gleixner <tglx(a)linutronix.de>
Cc: Ingo Molnar <mingo(a)redhat.com>
Cc: "H. Peter Anvin" <hpa(a)zytor.com>
Cc: Will Deacon <will.deacon(a)arm.com>
Cc: Joerg Roedel <joro(a)8bytes.org>
Cc: <stable(a)vger.kernel.org>
---
arch/arm64/mm/mmu.c | 4 ++--
arch/x86/mm/pgtable.c | 8 +++++---
include/asm-generic/pgtable.h | 8 ++++----
lib/ioremap.c | 4 ++--
4 files changed, 13 insertions(+), 11 deletions(-)
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 493ff75..8ae5d7a 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -977,12 +977,12 @@ int pmd_clear_huge(pmd_t *pmdp)
return 1;
}
-int pud_free_pmd_page(pud_t *pud)
+int pud_free_pmd_page(pud_t *pud, unsigned long addr)
{
return pud_none(*pud);
}
-int pmd_free_pte_page(pmd_t *pmd)
+int pmd_free_pte_page(pmd_t *pmd, unsigned long addr)
{
return pmd_none(*pmd);
}
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index ffc8c13..37e3cba 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -718,11 +718,12 @@ int pmd_clear_huge(pmd_t *pmd)
/**
* pud_free_pmd_page - Clear pud entry and free pmd page.
* @pud: Pointer to a PUD.
+ * @addr: Virtual address associated with pud.
*
* Context: The pud range has been unmaped and TLB purged.
* Return: 1 if clearing the entry succeeded. 0 otherwise.
*/
-int pud_free_pmd_page(pud_t *pud)
+int pud_free_pmd_page(pud_t *pud, unsigned long addr)
{
pmd_t *pmd;
int i;
@@ -733,7 +734,7 @@ int pud_free_pmd_page(pud_t *pud)
pmd = (pmd_t *)pud_page_vaddr(*pud);
for (i = 0; i < PTRS_PER_PMD; i++)
- if (!pmd_free_pte_page(&pmd[i]))
+ if (!pmd_free_pte_page(&pmd[i], addr + (i * PMD_SIZE)))
return 0;
pud_clear(pud);
@@ -745,11 +746,12 @@ int pud_free_pmd_page(pud_t *pud)
/**
* pmd_free_pte_page - Clear pmd entry and free pte page.
* @pmd: Pointer to a PMD.
+ * @addr: Virtual address associated with pmd.
*
* Context: The pmd range has been unmaped and TLB purged.
* Return: 1 if clearing the entry succeeded. 0 otherwise.
*/
-int pmd_free_pte_page(pmd_t *pmd)
+int pmd_free_pte_page(pmd_t *pmd, unsigned long addr)
{
pte_t *pte;
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index f59639a..b081794 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -1019,8 +1019,8 @@ static inline int p4d_clear_huge(p4d_t *p4d)
int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t prot);
int pud_clear_huge(pud_t *pud);
int pmd_clear_huge(pmd_t *pmd);
-int pud_free_pmd_page(pud_t *pud);
-int pmd_free_pte_page(pmd_t *pmd);
+int pud_free_pmd_page(pud_t *pud, unsigned long addr);
+int pmd_free_pte_page(pmd_t *pmd, unsigned long addr);
#else /* !CONFIG_HAVE_ARCH_HUGE_VMAP */
static inline int p4d_set_huge(p4d_t *p4d, phys_addr_t addr, pgprot_t prot)
{
@@ -1046,11 +1046,11 @@ static inline int pmd_clear_huge(pmd_t *pmd)
{
return 0;
}
-static inline int pud_free_pmd_page(pud_t *pud)
+static inline int pud_free_pmd_page(pud_t *pud, unsigned long addr)
{
return 0;
}
-static inline int pmd_free_pte_page(pmd_t *pmd)
+static inline int pmd_free_pte_page(pmd_t *pmd, unsigned long addr)
{
return 0;
}
diff --git a/lib/ioremap.c b/lib/ioremap.c
index 54e5bba..517f585 100644
--- a/lib/ioremap.c
+++ b/lib/ioremap.c
@@ -92,7 +92,7 @@ static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr,
if (ioremap_pmd_enabled() &&
((next - addr) == PMD_SIZE) &&
IS_ALIGNED(phys_addr + addr, PMD_SIZE) &&
- pmd_free_pte_page(pmd)) {
+ pmd_free_pte_page(pmd, addr)) {
if (pmd_set_huge(pmd, phys_addr + addr, prot))
continue;
}
@@ -119,7 +119,7 @@ static inline int ioremap_pud_range(p4d_t *p4d, unsigned long addr,
if (ioremap_pud_enabled() &&
((next - addr) == PUD_SIZE) &&
IS_ALIGNED(phys_addr + addr, PUD_SIZE) &&
- pud_free_pmd_page(pud)) {
+ pud_free_pmd_page(pud, addr)) {
if (pud_set_huge(pud, phys_addr + addr, prot))
continue;
}
--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation
Center, Inc., is a member of Code Aurora Forum, a Linux Foundation
Collaborative Project
This is the start of the stable review cycle for the 4.9.107 release.
There are 61 patches in this series, all will be posted as a response
to this one. If anyone has any issues with these being applied, please
let me know.
Responses should be made by Thu Jun 7 17:00:59 UTC 2018.
Anything received after that time might be too late.
The whole patch series can be found in one patch at:
https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.107-rc…
or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y
and the diffstat can be found below.
thanks,
greg k-h
-------------
Pseudo-Shortlog of commits:
Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
Linux 4.9.107-rc1
Aleksey Makarov <aleksey.makarov(a)linaro.org>
serial: pl011: add console matching function
David S. Miller <davem(a)davemloft.net>
sparc64: Don't clibber fixed registers in __multi4.
Hugh Dickins <hughd(a)google.com>
mm: fix the NULL mapping case in __isolate_lru_page()
Al Viro <viro(a)zeniv.linux.org.uk>
fix io_destroy()/aio_complete() race
David S. Miller <davem(a)davemloft.net>
sparc64: Fix build warnings with gcc 7.
Ondrej Zary <linux(a)rainbow-software.org>
drm/i915: Disable LVDS on Radiant P845
Dhinakaran Pandiyan <dhinakaran.pandiyan(a)intel.com>
drm/psr: Fix missed entry in PSR setup time table.
Parav Pandit <parav(a)mellanox.com>
IB/core: Fix error code for invalid GID entry
Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
hwtracing: stm: fix build error on some arches
Alexander Shishkin <alexander.shishkin(a)linux.intel.com>
stm class: Use vmalloc for the master map
Bart Van Assche <bart.vanassche(a)wdc.com>
scsi: scsi_transport_srp: Fix shost to rport translation
Maciej W. Rozycki <macro(a)mips.com>
MIPS: prctl: Disallow FRE without FR with PR_SET_FP_MODE requests
Maciej W. Rozycki <macro(a)mips.com>
MIPS: ptrace: Fix PTRACE_PEEKUSR requests for 64-bit FGRs
Martin Kelly <mkelly(a)xevo.com>
iio:kfifo_buf: check for uint overflow
Sarah Newman <srn(a)prgmr.com>
net/mlx4_en: fix potential use-after-free with dma_unmap_page
Nicholas Piggin <npiggin(a)gmail.com>
powerpc/64s: Add support for a store forwarding barrier at kernel entry/exit
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/64s: Fix section mismatch warnings from setup_rfi_flush()
Mauricio Faria de Oliveira <mauricfo(a)linux.vnet.ibm.com>
powerpc/pseries: Restore default security feature flags on setup
Mauricio Faria de Oliveira <mauricfo(a)linux.vnet.ibm.com>
powerpc: Move default security feature flags
Mauricio Faria de Oliveira <mauricfo(a)linux.vnet.ibm.com>
powerpc/pseries: Fix clearing of security feature flags
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/64s: Wire up cpu_show_spectre_v2()
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/64s: Wire up cpu_show_spectre_v1()
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/pseries: Use the security flags in pseries_setup_rfi_flush()
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/powernv: Use the security flags in pnv_setup_rfi_flush()
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/64s: Enhance the information in cpu_show_meltdown()
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/64s: Move cpu_show_meltdown()
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/powernv: Set or clear security feature flags
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/pseries: Set or clear security feature flags
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc: Add security feature flags for Spectre/Meltdown
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/pseries: Add new H_GET_CPU_CHARACTERISTICS flags
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/rfi-flush: Call setup_rfi_flush() after LPM migration
Mauricio Faria de Oliveira <mauricfo(a)linux.vnet.ibm.com>
powerpc/rfi-flush: Differentiate enabled and patched flush types
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/rfi-flush: Always enable fallback flush on pseries
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/rfi-flush: Make it possible to call setup_rfi_flush() again
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/rfi-flush: Move the logic to avoid a redo into the debugfs code
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/powernv: Support firmware disable of RFI flush
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/pseries: Support firmware disable of RFI flush
Michael Ellerman <mpe(a)ellerman.id.au>
powerpc/rfi-flush: Move out of HARDLOCKUP_DETECTOR #ifdef
Mark Rutland <mark.rutland(a)arm.com>
arm64/cpufeature: don't use mutex in bringup path
Suzuki K Poulose <suzuki.poulose(a)arm.com>
arm64: Add hypervisor safe helper for checking constant capabilities
Potomski, MichalX <michalx.potomski(a)intel.com>
scsi: ufs: Factor out ufshcd_read_desc_param
Tomas Winkler <tomas.winkler(a)intel.com>
scsi: ufs: refactor device descriptor reading
Subhash Jadavani <subhashj(a)codeaurora.org>
scsi: ufs: fix failure to read the string descriptor
Eric Dumazet <edumazet(a)google.com>
tcp: avoid integer overflows in tcp_rcv_space_adjust()
Juergen Gross <jgross(a)suse.com>
x86/amd: don't set X86_BUG_SYSRET_SS_ATTRS when running under Xen
Juergen Gross <jgross(a)suse.com>
xen: set cpu capabilities from xen_start_kernel()
Juergen Gross <jgross(a)suse.com>
x86/amd: revert commit 944e0fc51a89c9827b9
Colin Ian King <colin.king(a)canonical.com>
platform/chrome: cros_ec_lpc: remove redundant pointer request
Colin Ian King <colin.king(a)canonical.com>
ASoC: Intel: sst: remove redundant variable dma_dev_name
Matthias Kaehlcke <mka(a)chromium.org>
rtlwifi: rtl8192cu: Remove variable self-assignment in rf.c
Colin Ian King <colin.king(a)canonical.com>
dma-buf: remove redundant initialization of sg_table
Eric Biggers <ebiggers(a)google.com>
cfg80211: further limit wiphy names to 64 bytes
Sachin Grover <sgrover(a)codeaurora.org>
selinux: KASAN: slab-out-of-bounds in xattr_getsecurity
Steven Rostedt (VMware) <rostedt(a)goodmis.org>
tracing: Fix crash when freeing instances with event triggers
Benjamin Tissoires <benjamin.tissoires(a)redhat.com>
Input: elan_i2c_smbus - fix corrupted stack
Mimi Zohar <zohar(a)linux.vnet.ibm.com>
Revert "ima: limit file hash setting by user to fix and log modes"
Brian Foster <bfoster(a)redhat.com>
xfs: detect agfl count corruption and reset agfl
Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
Revert "pinctrl: msm: Use dynamic GPIO numbering"
Geert Uytterhoeven <geert(a)linux-m68k.org>
USB: serial: cp210x: use tcflag_t to fix incompatible pointer type
Michael Neuling <mikey(a)neuling.org>
powerpc/64s: Clear PCR on boot
Will Deacon <will.deacon(a)arm.com>
arm64: lse: Add early clobbers to some input/output asm operands
-------------
Diffstat:
Makefile | 4 +-
arch/arm64/include/asm/atomic_lse.h | 22 +-
arch/arm64/include/asm/cpufeature.h | 27 +-
arch/arm64/include/asm/kvm_host.h | 10 +-
arch/arm64/include/asm/kvm_mmu.h | 2 +-
arch/arm64/include/asm/mmu.h | 2 +-
arch/arm64/kernel/cpufeature.c | 28 ++-
arch/arm64/kernel/process.c | 2 +-
arch/mips/kernel/process.c | 4 +
arch/mips/kernel/ptrace.c | 2 +-
arch/mips/kernel/ptrace32.c | 2 +-
arch/powerpc/include/asm/exception-64s.h | 29 +++
arch/powerpc/include/asm/feature-fixups.h | 19 ++
arch/powerpc/include/asm/hvcall.h | 3 +
arch/powerpc/include/asm/security_features.h | 85 +++++++
arch/powerpc/include/asm/setup.h | 2 +-
arch/powerpc/kernel/Makefile | 2 +-
arch/powerpc/kernel/cpu_setup_power.S | 6 +
arch/powerpc/kernel/exceptions-64s.S | 16 +-
arch/powerpc/kernel/security.c | 237 ++++++++++++++++++
arch/powerpc/kernel/setup_64.c | 37 ++-
arch/powerpc/kernel/vmlinux.lds.S | 14 ++
arch/powerpc/lib/feature-fixups.c | 124 +++++++++-
arch/powerpc/platforms/powernv/setup.c | 92 +++++--
arch/powerpc/platforms/pseries/mobility.c | 3 +
arch/powerpc/platforms/pseries/pseries.h | 2 +
arch/powerpc/platforms/pseries/setup.c | 81 ++++--
arch/sparc/kernel/ds.c | 2 +-
arch/sparc/lib/multi3.S | 24 +-
arch/x86/xen/enlighten.c | 14 +-
drivers/dma-buf/dma-buf.c | 2 +-
drivers/gpu/drm/drm_dp_helper.c | 1 +
drivers/gpu/drm/i915/intel_lvds.c | 8 +
drivers/hwtracing/stm/core.c | 7 +-
drivers/iio/buffer/kfifo_buf.c | 7 +
drivers/infiniband/core/cache.c | 2 +-
drivers/input/mouse/elan_i2c_smbus.c | 22 +-
drivers/irqchip/irq-gic-v3.c | 13 +-
drivers/net/ethernet/mellanox/mlx4/en_rx.c | 32 ++-
.../net/wireless/realtek/rtlwifi/rtl8192cu/rf.c | 3 -
drivers/pinctrl/qcom/pinctrl-msm.c | 2 +-
drivers/platform/chrome/cros_ec_lpc.c | 3 -
drivers/scsi/scsi_transport_srp.c | 22 +-
drivers/scsi/ufs/ufs.h | 34 +--
drivers/scsi/ufs/ufs_quirks.h | 28 +--
drivers/scsi/ufs/ufshcd.c | 272 +++++++++++++++------
drivers/scsi/ufs/ufshcd.h | 16 ++
drivers/tty/serial/amba-pl011.c | 55 +++++
drivers/usb/serial/cp210x.c | 8 +-
fs/aio.c | 3 +-
fs/xfs/libxfs/xfs_alloc.c | 94 +++++++
fs/xfs/xfs_mount.h | 1 +
fs/xfs/xfs_trace.h | 9 +-
include/linux/tcp.h | 2 +-
include/uapi/linux/nl80211.h | 2 +-
kernel/trace/trace_events_trigger.c | 5 +-
mm/vmscan.c | 2 +-
net/ipv4/tcp_input.c | 10 +-
security/integrity/ima/ima_appraise.c | 8 +-
security/selinux/ss/services.c | 2 +-
sound/soc/intel/common/sst-firmware.c | 2 -
61 files changed, 1277 insertions(+), 297 deletions(-)
Hi Thomas,
At 06/04/2018 11:33 PM, Thomas Gleixner wrote:
> apic_ack_edge() is explicitely for handling interrupt affinity cleanup when
> interrupt remapping is not available or disable.
>
> Remapped interrupts and also some of the platform specific special
> interrupts, e.g. UV, invoke ack_APIC_irq() directly.
>
> To address the issue of failing an affinity update with -EBUSY the delayed
> affinity mechanism can be reused, but ack_APIC_irq() does not handle
> that. Adding this to ack_APIC_irq() is not possible, because that function
> is also used for exceptions and directly handled interrupts like IPIs.
>
> Create a new function, which just contains the conditional invocation of
> irq_move_irq() and the final ack_APIC_irq(). Making the invocation of
> irq_move_irq() conditional avoids the out of line call if the pending bit
> is not set.
>
> Reuse the new function in apic_ack_edge().
>
> Preparatory change for the real fix
>
> Fixes: dccfe3147b42 ("x86/vector: Simplify vector move cleanup")
> Signed-off-by: Thomas Gleixner<tglx(a)linutronix.de>
> Cc:stable@vger.kernel.org
> ---
> arch/x86/include/asm/apic.h | 2 ++
> arch/x86/kernel/apic/vector.c | 10 ++++++++--
> 2 files changed, 10 insertions(+), 2 deletions(-)
>
> --- a/arch/x86/include/asm/apic.h
> +++ b/arch/x86/include/asm/apic.h
> @@ -436,6 +436,8 @@ static inline void apic_set_eoi_write(vo
>
> #endif /* CONFIG_X86_LOCAL_APIC */
>
> +extern void apic_ack_irq(struct irq_data *data);
> +
> static inline void ack_APIC_irq(void)
> {
> /*
> --- a/arch/x86/kernel/apic/vector.c
> +++ b/arch/x86/kernel/apic/vector.c
> @@ -809,11 +809,17 @@ static int apic_retrigger_irq(struct irq
> return 1;
> }
>
> +void apic_ack_irq(struct irq_data *irqd)
> +{
> + if (unlikely(irqd_is_setaffinity_pending(irqd)))
Affinity pending is also judged in
> + irq_move_irq(irqd);
If we can remove the if(...) statement here
Thanks,
dou
> + ack_APIC_irq();
> +}
> +
> void apic_ack_edge(struct irq_data *irqd)
> {
> irq_complete_move(irqd_cfg(irqd));
> - irq_move_irq(irqd);
> - ack_APIC_irq();
> + apic_ack_irq(irqd);
> }
>
> static struct irq_chip lapic_controller = {
On some devices the contents of the ctrl register get lost over a
suspend/resume and the PWM comes back up disabled after the resume.
This is seen on some Bay Trail devices with the PWM in ACPI enumerated
mode, so it shows up as a platform device instead of a PCI device.
If we still think it is enabled and then try to change the duty-cycle
after this, we end up with a "PWM_SW_UPDATE was not cleared" error and
the PWM is stuck in that state from then on.
This commit adds suspend and resume pm callbacks to the pwm-lpss-platform
code, which save/restore the ctrl register over a suspend/resume, fixing
this.
Note that:
1) There is no need to do this over a runtime suspend, since we
only runtime suspend when disabled and then we properly set the enable
bit and reprogram the timings when we re-enable the PWM.
2) This may be happening on more systems then we realize, but has been
covered up sofar by a bug in the acpi-lpss.c code which was save/restoring
the regular device registers instead of the lpss private registers due to
lpss_device_desc.prv_offset not being set. This is fixed by a later patch
in this series.
Cc: stable(a)vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede(a)redhat.com>
---
Changes in v2:
-Add Cc: stable(a)vger.kernel.org to make sure this goes into stable
together with "ACPI / LPSS: Add missing prv_offset setting for byt/cht
PWM devices" which depends on this
---
drivers/pwm/pwm-lpss-platform.c | 5 +++++
drivers/pwm/pwm-lpss.c | 30 ++++++++++++++++++++++++++++++
drivers/pwm/pwm-lpss.h | 2 ++
3 files changed, 37 insertions(+)
diff --git a/drivers/pwm/pwm-lpss-platform.c b/drivers/pwm/pwm-lpss-platform.c
index 5d6ed1507d29..5561b9e190f8 100644
--- a/drivers/pwm/pwm-lpss-platform.c
+++ b/drivers/pwm/pwm-lpss-platform.c
@@ -74,6 +74,10 @@ static int pwm_lpss_remove_platform(struct platform_device *pdev)
return pwm_lpss_remove(lpwm);
}
+static SIMPLE_DEV_PM_OPS(pwm_lpss_platform_pm_ops,
+ pwm_lpss_suspend,
+ pwm_lpss_resume);
+
static const struct acpi_device_id pwm_lpss_acpi_match[] = {
{ "80860F09", (unsigned long)&pwm_lpss_byt_info },
{ "80862288", (unsigned long)&pwm_lpss_bsw_info },
@@ -86,6 +90,7 @@ static struct platform_driver pwm_lpss_driver_platform = {
.driver = {
.name = "pwm-lpss",
.acpi_match_table = pwm_lpss_acpi_match,
+ .pm = &pwm_lpss_platform_pm_ops,
},
.probe = pwm_lpss_probe_platform,
.remove = pwm_lpss_remove_platform,
diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c
index 8db0d40ccacd..4721a264bac2 100644
--- a/drivers/pwm/pwm-lpss.c
+++ b/drivers/pwm/pwm-lpss.c
@@ -32,10 +32,13 @@
/* Size of each PWM register space if multiple */
#define PWM_SIZE 0x400
+#define MAX_PWMS 4
+
struct pwm_lpss_chip {
struct pwm_chip chip;
void __iomem *regs;
const struct pwm_lpss_boardinfo *info;
+ u32 saved_ctrl[MAX_PWMS];
};
static inline struct pwm_lpss_chip *to_lpwm(struct pwm_chip *chip)
@@ -177,6 +180,9 @@ struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r,
unsigned long c;
int ret;
+ if (WARN_ON(info->npwm > MAX_PWMS))
+ return ERR_PTR(-ENODEV);
+
lpwm = devm_kzalloc(dev, sizeof(*lpwm), GFP_KERNEL);
if (!lpwm)
return ERR_PTR(-ENOMEM);
@@ -212,6 +218,30 @@ int pwm_lpss_remove(struct pwm_lpss_chip *lpwm)
}
EXPORT_SYMBOL_GPL(pwm_lpss_remove);
+int pwm_lpss_suspend(struct device *dev)
+{
+ struct pwm_lpss_chip *lpwm = dev_get_drvdata(dev);
+ int i;
+
+ for (i = 0; i < lpwm->info->npwm; i++)
+ lpwm->saved_ctrl[i] = readl(lpwm->regs + i * PWM_SIZE + PWM);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(pwm_lpss_suspend);
+
+int pwm_lpss_resume(struct device *dev)
+{
+ struct pwm_lpss_chip *lpwm = dev_get_drvdata(dev);
+ int i;
+
+ for (i = 0; i < lpwm->info->npwm; i++)
+ writel(lpwm->saved_ctrl[i], lpwm->regs + i * PWM_SIZE + PWM);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(pwm_lpss_resume);
+
MODULE_DESCRIPTION("PWM driver for Intel LPSS");
MODULE_AUTHOR("Mika Westerberg <mika.westerberg(a)linux.intel.com>");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/pwm/pwm-lpss.h b/drivers/pwm/pwm-lpss.h
index 98306bb02cfe..7a4238ad1fcb 100644
--- a/drivers/pwm/pwm-lpss.h
+++ b/drivers/pwm/pwm-lpss.h
@@ -28,5 +28,7 @@ struct pwm_lpss_boardinfo {
struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r,
const struct pwm_lpss_boardinfo *info);
int pwm_lpss_remove(struct pwm_lpss_chip *lpwm);
+int pwm_lpss_suspend(struct device *dev);
+int pwm_lpss_resume(struct device *dev);
#endif /* __PWM_LPSS_H */
--
2.17.0
Hi Arnd,
when using the ppc64 compiler from kernel.org, I see the following problems
when trying to compile ppc:allnoconfig in v4.14.y or v4.16.y.
gcc 7.3.0: Compilation of kernel.cpu.o hangs
The problem goes away if I apply the following two patches (tested with 4.16.y)
17a2f1ced028 cpu/hotplug: Merge cpuhp_bp_states and cpuhp_ap_states
fcb3029a8d89 cpu/hotplug: Fix unused function warning
gcc 8.1.0: Compilation of kernel/cpu.o results in the following error
powerpc64-linux-gcc: error: unrecognized command line option '-mno-spe'; did you mean '-fno-see'?
powerpc64-linux-gcc: error: unrecognized command line option '-mspe=no'; did you mean '-misel=no'?
This problem is also seen with mainline.
With ppc:defconfig, kernel/cpu.o builds fine with both compiler versions.
Have you seen similar problems ? Any idea what to do about it, other than sticking
with older compilers ?
Thanks,
Guenter
[BUG]
Btrfs can easily create compressed extent without checksum (even
though it shouldn't), and if we then try to replace device containing
such extent, the result device will contain all the uncompressed data
instead of the compressed one.
Test case already submitted to fstests:
https://patchwork.kernel.org/patch/10442353/
[CAUSE]
When handling compressed extent without checksum, device replace will
goes into copy_nocow_pages() function.
In that function, btrfs will get all inodes referring to this data
extents and then use find_or_create_page() to get pages direct from that
inode.
The problem here is, pages directly from inode are always uncompressed.
And for compressed data extent, they mismatch with on-disk data.
Thus this leads to corrupted data extent written to replace device.
[FIX]
In this patch, we could just avoid the "optimization" branch, and let
unified scrub_pages() to handle it.
Although scrub_pages() won't bother reusing page cache, thus it will be a
little slower, but it does the correct csum checking (skipped in this case)
and won't cause such data corruption cause by "optimization".
Please note that, this patch will just avoid the copy_nocow_pages(),
while still leave related functions here, to make it small enough for a
late merge window.
Full functions removal will happen later.
Fixes: Fixes: ff023aac3119 ("Btrfs: add code to scrub to copy read data to another disk")
Cc: stable(a)vger.kernel.org
Reported-by: James Harvey <jamespharvey20(a)gmail.com>
Signed-off-by: Qu Wenruo <wqu(a)suse.com>
---
changlog:
v1:
Split the RFC ver.B patch into 2 patches, the smaller fix will be
easier to get merged for late merge window.
---
fs/btrfs/scrub.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 52b39a0924e9..79e154575366 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -2799,7 +2799,16 @@ static int scrub_extent(struct scrub_ctx *sctx, struct map_lookup *map,
have_csum = scrub_find_csum(sctx, logical, csum);
if (have_csum == 0)
++sctx->stat.no_csum;
- if (sctx->is_dev_replace && !have_csum) {
+
+ /*
+ * For replace on nodatasum extent, don't use
+ * copy_nocow_pages() routine which will copy pages
+ * from inode to disk. It could cause deadly corruption
+ * for compressed extent.
+ * NOTE: copy_nocow_pages() and all its children will
+ * be removed later.
+ */
+ if (0 && sctx->is_dev_replace && !have_csum) {
ret = copy_nocow_pages(sctx, logical, l,
mirror_num,
physical_for_dev_replace);
--
2.17.1
'Commit cc27b735ad3a ("PCI/portdrv: Turn off PCIe services during
shutdown")' has been added to kernel to shutdown pending PCIe port
service interrupts during reboot so that a newly started kexec kernel
wouldn't observe pending interrupts.
pcie_port_device_remove() is disabling the root port and switches by
calling pci_disable_device() after all PCIe service drivers are shutdown.
This has been found to cause crashes on HP DL360 Gen9 machines during
reboot due to hpsa driver not clearing the bus master bit during the
shutdown procedure by calling pci_disable_device().
Disable device as part of the shutdown sequence.
Signed-off-by: Sinan Kaya <okaya(a)codeaurora.org>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=199779
Fixes: cc27b735ad3a ("PCI/portdrv: Turn off PCIe services during shutdown")
Cc: stable(a)vger.kernel.org
Reported-by: Ryan Finnie <ryan(a)finnie.org>
Tested-by: Don Brace <don.brace(a)microsemi.com>
Acked-by: Don Brace <don.brace(a)microsemi.com>
---
drivers/scsi/hpsa.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 3a9eca1..b92f86a 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -8869,7 +8869,7 @@ static void hpsa_disable_rld_caching(struct ctlr_info *h)
kfree(options);
}
-static void hpsa_shutdown(struct pci_dev *pdev)
+static void __hpsa_shutdown(struct pci_dev *pdev)
{
struct ctlr_info *h;
@@ -8884,6 +8884,12 @@ static void hpsa_shutdown(struct pci_dev *pdev)
hpsa_disable_interrupt_mode(h); /* pci_init 2 */
}
+static void hpsa_shutdown(struct pci_dev *pdev)
+{
+ __hpsa_shutdown(pdev);
+ pci_disable_device(pdev);
+}
+
static void hpsa_free_device_info(struct ctlr_info *h)
{
int i;
@@ -8927,7 +8933,7 @@ static void hpsa_remove_one(struct pci_dev *pdev)
scsi_remove_host(h->scsi_host); /* init_one 8 */
/* includes hpsa_free_irqs - init_one 4 */
/* includes hpsa_disable_interrupt_mode - pci_init 2 */
- hpsa_shutdown(pdev);
+ __hpsa_shutdown(pdev);
hpsa_free_device_info(h); /* scan */
--
2.7.4
From: Dexuan Cui <decui(a)microsoft.com>
I didn't really hit a real bug, but just happened to spot the bug:
we have decreased the counter at the beginning of vmbus_process_offer(),
so we mustn't decrease it again.
Fixes: 6f3d791f3006 ("Drivers: hv: vmbus: Fix rescind handling issues")
Signed-off-by: Dexuan Cui <decui(a)microsoft.com>
Cc: stable(a)vger.kernel.org
Cc: Stephen Hemminger <sthemmin(a)microsoft.com>
Cc: K. Y. Srinivasan <kys(a)microsoft.com>
Cc: Stable <stable(a)vger.kernel.org> # 4.14 and above
Signed-off-by: K. Y. Srinivasan <kys(a)microsoft.com>
---
drivers/hv/channel_mgmt.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index ecc2bd275a73..f3b551a50653 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -527,10 +527,8 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel)
struct hv_device *dev
= newchannel->primary_channel->device_obj;
- if (vmbus_add_channel_kobj(dev, newchannel)) {
- atomic_dec(&vmbus_connection.offer_in_progress);
+ if (vmbus_add_channel_kobj(dev, newchannel))
goto err_free_chan;
- }
if (channel->sc_creation_callback != NULL)
channel->sc_creation_callback(newchannel);
--
2.17.1
Per discussion with David at netconf 2018, let's clarify
DaveM's position of handling stable backports in netdev-FAQ.
This is important for people relying on upstream -stable
releases.
Cc: stable(a)vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
Signed-off-by: Cong Wang <xiyou.wangcong(a)gmail.com>
---
Documentation/networking/netdev-FAQ.txt | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/Documentation/networking/netdev-FAQ.txt b/Documentation/networking/netdev-FAQ.txt
index 2a3278d5cf35..fa951b820b25 100644
--- a/Documentation/networking/netdev-FAQ.txt
+++ b/Documentation/networking/netdev-FAQ.txt
@@ -179,6 +179,15 @@ A: No. See above answer. In short, if you think it really belongs in
dash marker line as described in Documentation/process/submitting-patches.rst to
temporarily embed that information into the patch that you send.
+Q: Are all networking bug fixes backported to all stable releases?
+
+A: Due to capacity, Dave could only take care of the backports for the last
+ 2 stable releases. For earlier stable releases, each stable branch maintainer
+ is supposed to take care of them. If you find any patch is missing from an
+ earlier stable branch, please notify stable(a)vger.kernel.org with either a
+ commit ID or a formal patch backported, and CC Dave and other relevant
+ networking developers.
+
Q: Someone said that the comment style and coding convention is different
for the networking content. Is this true?
--
2.13.0
From: Chris Chiu <chiu(a)endlessm.com>
commit 0803d7befa15cab5717d667a97a66214d2a4c083 upstream
The Acer Acer Veriton X4110G has a TPM device detected as:
tpm_tis 00:0b: 1.2 TPM (device-id 0xFE, rev-id 71)
After the first S3 suspend, the following error appears during resume:
tpm tpm0: A TPM error(38) occurred continue selftest
Any following S3 suspend attempts will now fail with this error:
tpm tpm0: Error (38) sending savestate before suspend
PM: Device 00:0b failed to suspend: error 38
Error 38 is TPM_ERR_INVALID_POSTINIT which means the TPM is
not in the correct state. This indicates that the platform BIOS
is not sending the usual TPM_Startup command during S3 resume.
>From this point onwards, all TPM commands will fail.
The same issue was previously reported on Foxconn 6150BK8MC and
Sony Vaio TX3.
The platform behaviour seems broken here, but we should not break
suspend/resume because of this.
When the unexpected TPM state is encountered, set a flag to skip the
affected TPM_SaveState command on later suspends.
Cc: stable(a)vger.kernel.org
Signed-off-by: Chris Chiu <chiu(a)endlessm.com>
Signed-off-by: Daniel Drake <drake(a)endlessm.com>
Link: http://lkml.kernel.org/r/CAB4CAwfSCvj1cudi+MWaB5g2Z67d9DwY1o475YOZD64ma23Ui…
Link: https://lkml.org/lkml/2011/3/28/192
Link: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=591031
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen(a)linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen(a)linux.intel.com>
---
drivers/char/tpm/tpm-interface.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 247dd2b6504a..be0547115d34 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -787,6 +787,10 @@ int tpm_do_selftest(struct tpm_chip *chip)
loops = jiffies_to_msecs(duration) / delay_msec;
rc = tpm_continue_selftest(chip);
+ if (rc == TPM_ERR_INVALID_POSTINIT) {
+ chip->flags |= TPM_CHIP_FLAG_ALWAYS_POWERED;
+ dev_info(&chip->dev, "TPM not ready (%d)\n", rc);
+ }
/* This may fail if there was no TPM driver during a suspend/resume
* cycle; some may return 10 (BAD_ORDINAL), others 28 (FAILEDSELFTEST)
*/
--
2.17.0