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68faab0f93
947840 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Changbin Du
|
68faab0f93 |
perf ftrace: Factor out function write_tracing_file_int()
We will reuse this function later. Signed-off-by: Changbin Du <changbin.du@gmail.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org> Link: http://lore.kernel.org/lkml/20200808023141.14227-4-changbin.du@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Changbin Du
|
d6d81bfe42 |
perf ftrace: Add option '-F/--funcs' to list available functions
This adds an option '-F/--funcs' to list all available functions to trace, which is read from tracing file 'available_filter_functions'. $ sudo ./perf ftrace -F | head trace_initcall_finish_cb initcall_blacklisted do_one_initcall do_one_initcall trace_initcall_start_cb run_init_process try_to_run_init_process match_dev_by_label match_dev_by_uuid rootfs_init_fs_context $ Committer notes: This is the same command line option and for the same purpose as in 'perf probe'. Signed-off-by: Changbin Du <changbin.du@gmail.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org> Link: http://lore.kernel.org/lkml/20200808023141.14227-3-changbin.du@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Changbin Du
|
eb6d31ae22 |
perf ftrace: Select function/function_graph tracer automatically
The '-g/-G' options have already implied function_graph tracer should be
used instead of function tracer. So we don't need extra option
'--tracer' in this case.
This patch changes the behavior as below:
- If '-g' or '-G' option is on, then function_graph tracer is used.
- If '-T' or '-N' option is on, then function tracer is used.
- The function_graph has priority over function tracer.
- The option '--tracer' only take effect if neither -g/-G nor -T/-N
is specified.
Here are some examples.
This will start tracing all functions using default tracer:
$ sudo perf ftrace
This will trace all functions using function graph tracer:
$ sudo perf ftrace -G '*'
This will trace function vfs_read using function graph tracer:
$ sudo perf ftrace -G vfs_read
This will trace function vfs_read using function tracer:
$ sudo perf ftrace -T vfs_read
Committer notes:
Using '-h -G' will tell what that option is about, so to further clarify
the above examples:
# perf ftrace -h -G
-G, --graph-funcs <func> Set graph filter on given functions
# perf ftrace -h -g
-g, --nograph-funcs <func> Set nograph filter on given functions
# perf ftrace -h -T
-T, --trace-funcs <func> trace given functions only
# perf ftrace -h -N
-N, --notrace-funcs <func> do not trace given functions
#
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: http://lore.kernel.org/lkml/20200808023141.14227-2-changbin.du@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Alexander Gordeev
|
2db13a9b30 |
perf bench numa: Use numa_node_to_cpus() to bind tasks to nodes
It is currently assumed that each node contains at most nr_cpus/nr_nodes CPUs and nodes' CPU ranges do not overlap. That assumption is generally incorrect as there are archs where a CPU number does not depend on to its node number. This update removes the described assumption by simply calling numa_node_to_cpus() interface and using the returned mask for binding CPUs to nodes. Also, variable types and names made consistent in functions using cpumask. Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com> Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Balamuruhan S <bala24@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> Link: http://lore.kernel.org/lkml/20200813113247.GA2014@oc3871087118.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Alexander Gordeev
|
509f68e327 |
perf bench numa: Fix cpumask memory leak in node_has_cpus()
Couple numa_allocate_cpumask() and numa_free_cpumask() functions Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com> Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Balamuruhan S <bala24@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> Link: http://lore.kernel.org/lkml/20200813113041.GA1685@oc3871087118.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Daniel Díaz
|
fa5c893181 |
tools build feature: Quote CC and CXX for their arguments
When using a cross-compilation environment, such as OpenEmbedded,
the CC an CXX variables are set to something more than just a
command: there are arguments (such as --sysroot) that need to be
passed on to the compiler so that the right set of headers and
libraries are used.
For the particular case that our systems detected, CC is set to
the following:
export CC="aarch64-linaro-linux-gcc --sysroot=/oe/build/tmp/work/machine/perf/1.0-r9/recipe-sysroot"
Without quotes, detection is as follows:
Auto-detecting system features:
... dwarf: [ OFF ]
... dwarf_getlocations: [ OFF ]
... glibc: [ OFF ]
... gtk2: [ OFF ]
... libbfd: [ OFF ]
... libcap: [ OFF ]
... libelf: [ OFF ]
... libnuma: [ OFF ]
... numa_num_possible_cpus: [ OFF ]
... libperl: [ OFF ]
... libpython: [ OFF ]
... libcrypto: [ OFF ]
... libunwind: [ OFF ]
... libdw-dwarf-unwind: [ OFF ]
... zlib: [ OFF ]
... lzma: [ OFF ]
... get_cpuid: [ OFF ]
... bpf: [ OFF ]
... libaio: [ OFF ]
... libzstd: [ OFF ]
... disassembler-four-args: [ OFF ]
Makefile.config:414: *** No gnu/libc-version.h found, please install glibc-dev[el]. Stop.
Makefile.perf:230: recipe for target 'sub-make' failed
make[1]: *** [sub-make] Error 2
Makefile:69: recipe for target 'all' failed
make: *** [all] Error 2
With CC and CXX quoted, some of those features are now detected.
Fixes:
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Jiri Olsa
|
b2fe96a350 |
perf tools: Fix module symbol processing
The 'dso->kernel' condition is true also for kernel modules now,
and there are several places that were omited by the initial change:
- we need to identify modules separately in dso__process_kernel_symbol
- we need to set 'dso->kernel' for module from buildid table
- there's no need to use 'dso->kernel || kmodule' in one condition
Committer testing:
Before:
# perf test -v object
<SNIP>
Objdump command is: objdump -z -d --start-address=0xffffffff813e682f --stop-address=0xffffffff813e68af /usr/lib/debug/lib/modules/5.7.14-200.fc32.x86_64/vmlinux
Bytes read match those read by objdump
Reading object code for memory address: 0xffffffffc02dc257
File is: /lib/modules/5.7.14-200.fc32.x86_64/kernel/arch/x86/crypto/crc32c-intel.ko.xz
On file address is: 0xffffffffc02dc2e7
dso__data_read_offset failed
test child finished with -1
---- end ----
Object code reading: FAILED!
#
After:
# perf test object
26: Object code reading : Ok
# perf test object
26: Object code reading : Ok
# perf test object
26: Object code reading : Ok
# perf test object
26: Object code reading : Ok
# perf test object
26: Object code reading : Ok
#
Fixes:
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Jiri Olsa
|
1c695c88a1 |
perf tools: Rename 'enum dso_kernel_type' to 'enum dso_space_type'
Rename enum dso_kernel_type to enum dso_space_type, which seems like better fit. Committer notes: This is used with 'struct dso'->kernel, which once was a boolean, so DSO_SPACE__USER is zero, !zero means some sort of kernel space, be it the host kernel space or a guest kernel space. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Rob Herring
|
ceafdd664c |
MAINTAINERS: Add missing tools/lib/perf/ path to perf maintainers
Commit
|
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Rob Herring
|
ce746d43a1 |
libperf: Fix man page typos
Fix various typos and inconsistent capitalization of CPU in the libperf man pages. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20200807193241.3904545-1-robh@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Michael Petlan
|
194cb6b50f |
perf test: Allow multiple probes in record+script_probe_vfs_getname.sh
Sometimes when adding a kprobe by perf, it results in multiple probe
points, such as the following:
# ./perf probe -l
probe:vfs_getname (on getname_flags:73@fs/namei.c with pathname)
probe:vfs_getname_1 (on getname_flags:73@fs/namei.c with pathname)
probe:vfs_getname_2 (on getname_flags:73@fs/namei.c with pathname)
# cat /sys/kernel/debug/tracing/kprobe_events
p:probe/vfs_getname _text+5501804 pathname=+0(+0(%gpr31)):string
p:probe/vfs_getname_1 _text+5505388 pathname=+0(+0(%gpr31)):string
p:probe/vfs_getname_2 _text+5508396 pathname=+0(+0(%gpr31)):string
In this test, we need to record all of them and expect any of them in
the perf-script output, since it's not clear which one will be used for
the desired syscall:
# perf stat -e probe:vfs_getname\* -- touch /tmp/nic
Performance counter stats for 'touch /tmp/nic':
31 probe:vfs_getname_2
0 probe:vfs_getname_1
1 probe:vfs_getname
0.001421826 seconds time elapsed
0.001506000 seconds user
0.000000000 seconds sys
If the test relies only on probe:vfs_getname, it might easily miss the
relevant data.
Signed-off-by: Michael Petlan <mpetlan@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
LPU-Reference: 20200722135845.29958-1-mpetlan@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
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Vincent Whitchurch
|
1beaef29c3 |
perf bench mem: Always memset source before memcpy
For memcpy, the source pages are memset to zero only when --cycles is
used. This leads to wildly different results with or without --cycles,
since all sources pages are likely to be mapped to the same zero page
without explicit writes.
Before this fix:
$ export cmd="./perf stat -e LLC-loads -- ./perf bench \
mem memcpy -s 1024MB -l 100 -f default"
$ $cmd
2,935,826 LLC-loads
3.821677452 seconds time elapsed
$ $cmd --cycles
217,533,436 LLC-loads
8.616725985 seconds time elapsed
After this fix:
$ $cmd
214,459,686 LLC-loads
8.674301124 seconds time elapsed
$ $cmd --cycles
214,758,651 LLC-loads
8.644480006 seconds time elapsed
Fixes:
|
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David Ahern
|
d566a9c2d4 |
perf sched: Prefer sched_waking event when it exists
Commit
|
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Colin Ian King
|
f9f9506826 |
perf bench: Fix a couple of spelling mistakes in options text
There are a couple of spelling mistakes in the text. Fix these. Signed-off-by: Colin King <colin.king@canonical.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: kernel-janitors@vger.kernel.org Link: http://lore.kernel.org/lkml/20200812064647.200132-1-colin.king@canonical.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Alexander Gordeev
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85372c6974 |
perf bench numa: Fix benchmark names
Standard benchmark names let users know the tests specifics. For example "2x1-bw-process" name tells that two processes one thread each are run and the RAM bandwidth is measured. Several benchmarks names do not correspond to their actual running configuration. Fix that and also some whitespace and comment inconsistencies. Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/6b6f2084f132ee8e9203dc7c32f9deb209b87a68.1597004831.git.agordeev@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Alexander Gordeev
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72d69c2a4e |
perf bench numa: Fix number of processes in "2x3-convergence" test
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/d949f5f48e17fc816f3beecf8479f1b2480345e4.1597004831.git.agordeev@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Arnaldo Carvalho de Melo
|
6016e03487 |
tools headers UAPI: Sync kvm.h headers with the kernel sources
To pick the changes in: |
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Arnaldo Carvalho de Melo
|
fe452fb843 |
tools include UAPI: Sync linux/vhost.h with the kernel sources
To get the changes in:
|
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Arnaldo Carvalho de Melo
|
23db762be2 |
tools headers kvm s390: Sync headers with the kernel sources
To pick the changes in:
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Arnaldo Carvalho de Melo
|
f3cf7fa963 |
perf trace beauty: Use the autogenerated protocol family table
That helps us not to lose new protocol families when they are
introduced, replacing that hardcoded, dated family->string table.
To recap what this allows us to do:
# perf trace -e syscalls:sys_enter_socket/max-stack=10/ --filter=family==INET --max-events=1
0.000 fetchmail/41097 syscalls:sys_enter_socket(family: INET, type: DGRAM|CLOEXEC|NONBLOCK, protocol: IP)
__GI___socket (inlined)
reopen (/usr/lib64/libresolv-2.31.so)
send_dg (/usr/lib64/libresolv-2.31.so)
__res_context_send (/usr/lib64/libresolv-2.31.so)
__GI___res_context_query (inlined)
__GI___res_context_search (inlined)
_nss_dns_gethostbyname4_r (/usr/lib64/libnss_dns-2.31.so)
gaih_inet.constprop.0 (/usr/lib64/libc-2.31.so)
__GI_getaddrinfo (inlined)
[0x15cb2] (/usr/bin/fetchmail)
#
More work is still needed to allow for the more natura strace-like
syscall name usage instead of the trace event name:
# perf trace -e socket/max-stack=10,family==INET/ --max-events=1
I.e. to allow for modifiers to follow the syscall name and for logical
expressions to be accepted as filters to use with that syscall, be it as
trace event filters or BPF based ones.
Using -v we can see how the trace event filter is built:
# perf trace -v -e syscalls:sys_enter_socket/call-graph=dwarf/ --filter=family==INET --max-events=2
<SNIP>
New filter for syscalls:sys_enter_socket: (family==0x2) && (common_pid != 41384 && common_pid != 2836)
<SNIP>
$ tools/perf/trace/beauty/socket.sh | grep -w 2
[2] = "INET",
$
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo
|
58277f502f |
perf trace beauty: Add script to autogenerate socket families table
To use with 'perf trace', to convert the protocol families to strings,
e.g:
$ tools/perf/trace/beauty/socket.sh
static const char *socket_families[] = {
[0] = "UNSPEC",
[1] = "LOCAL",
[2] = "INET",
[3] = "AX25",
[4] = "IPX",
[5] = "APPLETALK",
[6] = "NETROM",
[7] = "BRIDGE",
[8] = "ATMPVC",
[9] = "X25",
[10] = "INET6",
[11] = "ROSE",
[12] = "DECnet",
[13] = "NETBEUI",
[14] = "SECURITY",
[15] = "KEY",
[16] = "NETLINK",
[17] = "PACKET",
[18] = "ASH",
[19] = "ECONET",
[20] = "ATMSVC",
[21] = "RDS",
[22] = "SNA",
[23] = "IRDA",
[24] = "PPPOX",
[25] = "WANPIPE",
[26] = "LLC",
[27] = "IB",
[28] = "MPLS",
[29] = "CAN",
[30] = "TIPC",
[31] = "BLUETOOTH",
[32] = "IUCV",
[33] = "RXRPC",
[34] = "ISDN",
[35] = "PHONET",
[36] = "IEEE802154",
[37] = "CAIF",
[38] = "ALG",
[39] = "NFC",
[40] = "VSOCK",
[41] = "KCM",
[42] = "QIPCRTR",
[43] = "SMC",
[44] = "XDP",
};
$
This uses a copy of include/linux/socket.h that is kept in a directory
to be used just for these table generation scripts and for checking if
the kernel has a new file that maybe gets something new for these
tables.
This allows us to:
- Avoid accessing files outside tools/, in the kernel sources, that may
be changed in unexpected ways and thus break these scripts.
- Notice when those files change and thus check if the changes don't
break those scripts, update them to automatically get the new
definitions, a new socket family, for instance.
- Not add then to the tools/include/ where it may end up used while
building the tools and end up requiring dragging yet more stuff from
the kernel or plain break the build in some of the myriad environments
where perf may be built.
This will replace the previous static array in tools/perf/ that was
dated and was already missing the AF_KCM, AF_QIPCRTR, AF_SMC and AF_XDP
families.
The next cset will wire this up to the perf build process.
At some point this must be made into a library to be used in places such
as libtraceevent, bpftrace, etc.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
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Linus Torvalds
|
fb893de323 |
chrome platform changes for 5.9
* cros_ec_typec
- Add support for switch control and alternate modes to the Chrome EC Type C
port driver
- Add basic suspend/resume support
* sensorhub:
- Fix timestamp overflow issue
- Fix legacy timestamp spreading on Nami systems
* cros_ec_proto:
- After removing all users of, stop exporting cros_ec_cmd_xfer
- Check for missing EC_CMD_HOST_EVENT_GET_WAKE_MASK and ignore wakeups on old
ECs
* misc:
- Documentation warning cleanup.
- Fix double unlock issue in ishtp
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Merge tag 'tag-chrome-platform-for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"cros_ec_typec:
- Add support for switch control and alternate modes to the Chrome EC
Type C port driver
- Add basic suspend/resume support
sensorhub:
- Fix timestamp overflow issue
- Fix legacy timestamp spreading on Nami systems
cros_ec_proto:
- After removing all users of, stop exporting cros_ec_cmd_xfer
- Check for missing EC_CMD_HOST_EVENT_GET_WAKE_MASK and ignore
wakeups on old ECs
misc:
- Documentation warning cleanup
- Fix double unlock issue in ishtp"
* tag 'tag-chrome-platform-for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: (21 commits)
platform/chrome: cros_ec_proto: check for missing EC_CMD_HOST_EVENT_GET_WAKE_MASK
platform/chrome: cros_ec_proto: ignore unnecessary wakeups on old ECs
platform/chrome: cros_ec_sensorhub: Simplify legacy timestamp spreading
platform/chrome: cros_ec_proto: Do not export cros_ec_cmd_xfer()
platform/chrome: cros_ec_typec: Unregister partner on error
platform/chrome: cros_ec_sensorhub: Fix EC timestamp overflow
platform/chrome: cros_ec_typec: Add PM support
platform/chrome: cros_ec_typec: Use workqueue for port update
platform/chrome: cros_ec_typec: Add a dependency on USB_ROLE_SWITCH
platform/chrome: cros_ec_ishtp: Fix a double-unlock issue
platform/chrome: cros_ec_rpmsg: Document missing struct parameters
platform/chrome: cros_ec_spi: Document missing function parameters
platform/chrome: cros_ec_typec: Add TBT compat support
platform/chrome: cros_ec: Add TBT pd_ctrl fields
platform/chrome: cros_ec_typec: Make configure_mux static
platform/chrome: cros_ec_typec: Support DP alt mode
platform/chrome: cros_ec_typec: Add USB mux control
platform/chrome: cros_ec_typec: Register PD CTRL cmd v2
platform/chrome: cros_ec: Update mux state bits
platform/chrome: cros_ec_typec: Register Type C switches
...
|
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|
Linus Torvalds
|
d668e84829 |
orangefs: a fix and a cleanup...
Fix: Al Viro pointed out that I had broken some acl functionality
with one of my previous patches.
cleanup: Jing Xiangfeng found and removed a needless variable assignment.
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Merge tag 'for-linus-5.9-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
Pull orangefs updates from Mike Marshall:
"A fix and a cleanup...
The fix: Al Viro pointed out that I had broken some acl functionality
with one of my previous patches.
And the cleanup: Jing Xiangfeng found and removed a needless variable
assignment"
* tag 'for-linus-5.9-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
orangefs: remove unnecessary assignment to variable ret
orangefs: posix acl fix...
|
||
|
Linus Torvalds
|
57d528bfe7 |
zonefs changes for 5.9-rc1
A single change for this cycle adding support for zone capacities smaller than the zone size, from Johannes. Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSRPv8tYSvhwAzJdzjdoc3SxdoYdgUCXzJaHAAKCRDdoc3SxdoY dmNYAQC6xbszMxQNQPeCKatMctxGPYpZUkXbvHpsTPYaKrgnIwD+MB8Qx7ybC+99 WWB2ab4oXCWs/b/dRkgUWx1U0HdibwQ= =ynQl -----END PGP SIGNATURE----- Merge tag 'zonefs-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs Pull zonefs update from Damien Le Moal: "A single change for this cycle adding support for zone capacities smaller than the zone size, from Johannes" * tag 'zonefs-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs: zonefs: update documentation to reflect zone size vs capacity zonefs: add zone-capacity support |
||
|
Linus Torvalds
|
bb5baaa923 |
Fix recordmcount build failure on non-arm64 (caused by an arm64 patch).
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||
|
Linus Torvalds
|
57b0779392 |
virtio: fixes, features
IRQ bypass support for vdpa and IFC MLX5 vdpa driver Endian-ness fixes for virtio drivers Misc other fixes Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAl8yVEwPHG1zdEByZWRo YXQuY29tAAoJECgfDbjSjVRpNPEH/0Dtq1s1V4r/kxtLUoMophv9wuORpWCr98BQ 2aOveTmwTOVdZVOiw2tzTgO9nbWx+cL2HvkU7Aajfpz5hh93Z2VOo2n4a7hBC79f rlc3GXiG+pMk5RfmqGofIHTU+D6ony4D5SXlUDurLdtEwunyuqZwABiWkZjdclZJ bv90IL8Upzbz0rxYr7k3z8UepdOCt7r4QS/o7STHZBjJRyylxmO/R2yTnh6PtpRK Q/z35wJBJ3SKc8X3Fi0VOOSeGNZOiypkkl9ZnLVY5lExNAU1+2MMn2UK119SlCDV MSxb7quYFF4cksXH1g77GMBNi1uADRh1dtFMZdkKhZGljGxKLxo= =6VTZ -----END PGP SIGNATURE----- Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull virtio updates from Michael Tsirkin: - IRQ bypass support for vdpa and IFC - MLX5 vdpa driver - Endianness fixes for virtio drivers - Misc other fixes * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (71 commits) vdpa/mlx5: fix up endian-ness for mtu vdpa: Fix pointer math bug in vdpasim_get_config() vdpa/mlx5: Fix pointer math in mlx5_vdpa_get_config() vdpa/mlx5: fix memory allocation failure checks vdpa/mlx5: Fix uninitialised variable in core/mr.c vdpa_sim: init iommu lock virtio_config: fix up warnings on parisc vdpa/mlx5: Add VDPA driver for supported mlx5 devices vdpa/mlx5: Add shared memory registration code vdpa/mlx5: Add support library for mlx5 VDPA implementation vdpa/mlx5: Add hardware descriptive header file vdpa: Modify get_vq_state() to return error code net/vdpa: Use struct for set/get vq state vdpa: remove hard coded virtq num vdpasim: support batch updating vhost-vdpa: support IOTLB batching hints vhost-vdpa: support get/set backend features vhost: generialize backend features setting/getting vhost-vdpa: refine ioctl pre-processing vDPA: dont change vq irq after DRIVER_OK ... |
||
|
Linus Torvalds
|
ce13266d97 |
Minor fixes for v5.9.
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||
|
Linus Torvalds
|
952ace797c |
IOMMU Updates for Linux v5.9
Including:
- Removal of the dev->archdata.iommu (or similar) pointers from
most architectures. Only Sparc is left, but this is private to
Sparc as their drivers don't use the IOMMU-API.
- ARM-SMMU Updates from Will Deacon:
- Support for SMMU-500 implementation in Marvell
Armada-AP806 SoC
- Support for SMMU-500 implementation in NVIDIA Tegra194 SoC
- DT compatible string updates
- Remove unused IOMMU_SYS_CACHE_ONLY flag
- Move ARM-SMMU drivers into their own subdirectory
- Intel VT-d Updates from Lu Baolu:
- Misc tweaks and fixes for vSVA
- Report/response page request events
- Cleanups
- Move the Kconfig and Makefile bits for the AMD and Intel
drivers into their respective subdirectory.
- MT6779 IOMMU Support
- Support for new chipsets in the Renesas IOMMU driver
- Other misc cleanups and fixes (e.g. to improve compile test
coverage)
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Merge tag 'iommu-updates-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- Remove of the dev->archdata.iommu (or similar) pointers from most
architectures. Only Sparc is left, but this is private to Sparc as
their drivers don't use the IOMMU-API.
- ARM-SMMU updates from Will Deacon:
- Support for SMMU-500 implementation in Marvell Armada-AP806 SoC
- Support for SMMU-500 implementation in NVIDIA Tegra194 SoC
- DT compatible string updates
- Remove unused IOMMU_SYS_CACHE_ONLY flag
- Move ARM-SMMU drivers into their own subdirectory
- Intel VT-d updates from Lu Baolu:
- Misc tweaks and fixes for vSVA
- Report/response page request events
- Cleanups
- Move the Kconfig and Makefile bits for the AMD and Intel drivers into
their respective subdirectory.
- MT6779 IOMMU Support
- Support for new chipsets in the Renesas IOMMU driver
- Other misc cleanups and fixes (e.g. to improve compile test coverage)
* tag 'iommu-updates-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (77 commits)
iommu/amd: Move Kconfig and Makefile bits down into amd directory
iommu/vt-d: Move Kconfig and Makefile bits down into intel directory
iommu/arm-smmu: Move Arm SMMU drivers into their own subdirectory
iommu/vt-d: Skip TE disabling on quirky gfx dedicated iommu
iommu: Add gfp parameter to io_pgtable_ops->map()
iommu: Mark __iommu_map_sg() as static
iommu/vt-d: Rename intel-pasid.h to pasid.h
iommu/vt-d: Add page response ops support
iommu/vt-d: Report page request faults for guest SVA
iommu/vt-d: Add a helper to get svm and sdev for pasid
iommu/vt-d: Refactor device_to_iommu() helper
iommu/vt-d: Disable multiple GPASID-dev bind
iommu/vt-d: Warn on out-of-range invalidation address
iommu/vt-d: Fix devTLB flush for vSVA
iommu/vt-d: Handle non-page aligned address
iommu/vt-d: Fix PASID devTLB invalidation
iommu/vt-d: Remove global page support in devTLB flush
iommu/vt-d: Enforce PASID devTLB field mask
iommu: Make some functions static
iommu/amd: Remove double zero check
...
|
||
|
Linus Torvalds
|
96f970feeb |
- Core Frameworks
- Trivial: Code refactoring
- New API backlight_is_blank()
- New API backlight_get_brightness()
- Additional/reworked documentation
- Remove 'extern' labels from prototypes
- Drop backlight_put()
- Staticify of_find_backlight()
- Driver Removal
- Removal of unused OT200 driver
- Removal of unused Generic Backlight driver
- Fix-ups
- Bunch of W=1 warning fixes
- Convert to GPIO descriptors; sky81452
- Move platform data handling into driver; sky81452
- Remove superfluous code; lms501kf03
- Many instances of using new APIs
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Merge tag 'backlight-next-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Core Framework:
- Trivial: Code refactoring
- New API backlight_is_blank()
- New API backlight_get_brightness()
- Additional/reworked documentation
- Remove 'extern' labels from prototypes
- Drop backlight_put()
- Staticify of_find_backlight()
Driver Removal:
- Removal of unused OT200 driver
- Removal of unused Generic Backlight driver
Fix-ups
- Bunch of W=1 warning fixes
- Convert to GPIO descriptors; sky81452
- Move platform data handling into driver; sky81452
- Remove superfluous code; lms501kf03
- Many instances of using new APIs"
* tag 'backlight-next-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: (34 commits)
video: backlight: cr_bllcd: Remove unused variable 'intensity'
backlight: backlight: Make of_find_backlight static
backlight: backlight: Drop backlight_put()
backlight: Use backlight_get_brightness() throughout
backlight: jornada720_bl: Introduce backlight_is_blank()
backlight: gpio_backlight: Simplify update_status()
backlight: cr_bllcd: Introduce gpio-backlight semantics
backlight: as3711_bl: Simplify update_status
backlight: backlight: Introduce backlight_get_brightness()
doc-rst: Wire-up Backlight kernel-doc documentation
backlight: backlight: Add overview and update existing doc
backlight: backlight: Drop extern from prototypes
backlight: generic_bl: Remove this driver as it is unused
backlight: backlight: Document enums in backlight.h
backlight: backlight: Document inline functions in backlight.h
backlight: backlight: Improve backlight_device documentation
backlight: backlight: Improve backlight_properties documentation
backlight: backlight: Improve backlight_ops documentation
backlight: backlight: Add backlight_is_blank()
backlight: backlight: Refactor fb_notifier_callback()
...
|
||
|
Linus Torvalds
|
c636eef2ee |
hwspinlock updates for 5.9
This introduces a new DT binding format to describe the Qualcomm hardware mutex block and deprecates the old, invalid, one. It also cleans up the Kconfig slightly. -----BEGIN PGP SIGNATURE----- iQJPBAABCAA5FiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAl8yJpAbHGJqb3JuLmFu ZGVyc3NvbkBsaW5hcm8ub3JnAAoJEAsfOT8Nma3Fv7AP/2Yp49JHm5MFlKqBuMJ3 uIavmwL1Gpb1oKXq+aT8xjqhUwDADfavvlJ6bGYYxCZKQ2XubzVLXBStlx2TUKmq WUTckJ6wrYS3ADFJyy8jwR95ooVinYX4apa1vT+6d+9zGUxRm7DtrNXMQtW49rtU pQ5+CwWjDVwTOgYkwQky4fj5JZEaPH1KHKkV8QzmpvSYvfVzsaouyrVNbqRC1KUv Y8JJuu2nXELTJs6D4dZ7x3q/P6hjDY8Eg6Hzt5bu6eMNcc0HLxHsMZ3MEM2KW10I Iql8BzLD3cLlRYrUWfTrPd65J2jpp9Nhaiwe+RYGxa86REd4im67m1U9XCvQwXxx HCIzRpbwiEBCMregTwNNnegRoQp+gE6WrBT6IZRCTU7feW+umtV+ilDUsx56Wsoo WQNqgQycAuXM9y+XmlUTcc8xD6N/hQWCXnbCkmTlz/TYLLDfHWPLB8uGCO00kqAC VW3fgD2gvdByAdkdQ7dwVtgFzgcu2Zl+mgQFjhCaSi9HStL7g57YUQ2oxLIBNkzc S2852JpF8GlMlkvXtRQZxowKlQLpFE4Uhz3ysMWXpYrsh7Ds7H5nbR8EtKCyaVZz ZW0cyVeXqwdcOAm255oBA+E51+4HfyNrTuB+UE7Y41+BRijpoNnL5OLomCpUBXy0 Yf77Zfs0iCJn3ssziapu7KnL =MVO6 -----END PGP SIGNATURE----- Merge tag 'hwlock-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc Pull hwspinlock updates from Bjorn Andersson: "This introduces a new DT binding format to describe the Qualcomm hardware mutex block and deprecates the old, invalid, one. It also cleans up the Kconfig slightly" * tag 'hwlock-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc: dt-bindings: hwlock: qcom: Remove invalid binding hwspinlock: qcom: Allow mmio usage in addition to syscon dt-bindings: hwlock: qcom: Allow device on mmio bus dt-bindings: hwlock: qcom: Migrate binding to YAML hwspinlock: Simplify Kconfig |
||
|
Linus Torvalds
|
617e7481d7 |
remoteproc updates for v5.9
This introduces a new "detached" state for remote processors that are deemed to be running at the time Linux boots and the infrastructure for "attaching" to these. It then introduces the support for performing this operation for the STM32 platform. The coredump functionality is moved out from the core file and gains support for an optional mode where the recovery phase awaits the notification from devcoredump that the dump should be released. This allows userspace to grab the coredump in scenarios where vmalloc space is too low for creating a complete copy of the coredump before handing this to devcoredump. A new character device based interface is introduced to allow tying the stoppage of a remote processor to the termination of a user space process. This is useful in situations when such process provides crucial resources/operations for the firmware running on the remote processor. The Texas Instrument K3 driver gains support for the C66x and C71x DSPs. Qualcomm remoteprocs gains support for stashing relocation information in IMEM, to aid post mortem debugging and the crash notification mechanism is generalized to be reusable in cases where loosely coupled drivers needs to know about the status of a remote processor. One such example is the IPA hardware block, which is jointly owned with the modem and migrated to this improved interface. It also introduces a number of bug fixes and debug improvements for the Qualcomm modem remoteproc driver. And it cleans up the inconsistent interface for remoteproc drivers to implement power management. -----BEGIN PGP SIGNATURE----- iQJPBAABCAA5FiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAl8yKn4bHGJqb3JuLmFu ZGVyc3NvbkBsaW5hcm8ub3JnAAoJEAsfOT8Nma3FwNQQAMH8rbJ1wY+FM5vYfchF IIruKUAuiUYf3Wtx96nRRM81nWQWE0+gh37CGdQ0J+5XMhtVVgHH5cIcTcTqHfAG J8rdkcFP4ntyLPa2qP5tPeMj0rqD/cHvzD10PyrJjvP12i9+0mJGR/nDHRRAhyg1 HMTfq5kQsIRt3SYnHrwzD3nvk+O6aEtyogjDX9VhQ3Qx62pKVLiPCUy4FIZ2XzY2 XvNdITqN1IbqMMEgWNLBrFbU8RDnFZgGUFjuVmy+9SalKifh1s0nmdDxmFihbbhj pltc8mLRabhkkdqctvz6nh85epkqmoA15WL+BTLDVIpQ4zSJxFeRq+yK5m3V5EzZ Ld5ukS3IYaLLFOT1OvwjUVbrSVYnb3SMFI6W2v8J/BouBzFzzfYaq4QmvW4GGPEw MWMoicpmZousVGfUREFkmYj/8XqfgoVZ8gpLVxNDuluFU5swjoAK2FfQet4KCf0d /+A77nWvcRuHFYLv8FAiAxxRY2Dnx8rPnIm8wNd4Nj9Lx7lhkVPRwCgBr4SyXX60 FAGqZmg5S0Q5JUVA1s76n/1jbDywr6+a9ez48izivck1eYqAwSOAtt57Ol4A9tEq OGX8bvnJBXM9mDOV2jRCOr3vfn9Y3kqn8ia20gNsmifUM6RkvvSzz4bdhwd0Aj2H 0PWNiyPI+OKV8L64Q4sASbDR =9cjt -----END PGP SIGNATURE----- Merge tag 'rproc-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc Pull remoteproc updates from Bjorn Andersson: "This introduces a new "detached" state for remote processors that are deemed to be running at the time Linux boots and the infrastructure for "attaching" to these. It then introduces the support for performing this operation for the STM32 platform. The coredump functionality is moved out from the core file and gains support for an optional mode where the recovery phase awaits the notification from devcoredump that the dump should be released. This allows userspace to grab the coredump in scenarios where vmalloc space is too low for creating a complete copy of the coredump before handing this to devcoredump. A new character device based interface is introduced to allow tying the stoppage of a remote processor to the termination of a user space process. This is useful in situations when such process provides crucial resources/operations for the firmware running on the remote processor. The Texas Instrument K3 driver gains support for the C66x and C71x DSPs. Qualcomm remoteprocs gains support for stashing relocation information in IMEM, to aid post mortem debugging and the crash notification mechanism is generalized to be reusable in cases where loosely coupled drivers needs to know about the status of a remote processor. One such example is the IPA hardware block, which is jointly owned with the modem and migrated to this improved interface. It also introduces a number of bug fixes and debug improvements for the Qualcomm modem remoteproc driver. And it cleans up the inconsistent interface for remoteproc drivers to implement power management" * tag 'rproc-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc: (56 commits) remoteproc: core: Register the character device interface remoteproc: Add remoteproc character device interface remoteproc: kill IPA notify code net: ipa: new notification infrastructure remoteproc: k3-dsp: Add support for C71x DSPs dt-bindings: remoteproc: k3-dsp: Update bindings for C71x DSPs remoteproc: k3-dsp: Add support for L2RAM loading on C66x DSPs remoteproc: k3-dsp: Add a remoteproc driver of K3 C66x DSPs dt-bindings: remoteproc: Add bindings for C66x DSPs on TI K3 SoCs remoteproc: k3: Add TI-SCI processor control helper functions remoteproc: Introduce rproc_of_parse_firmware() helper dt-bindings: arm: keystone: Add common TI SCI bindings remoteproc: qcom_q6v5_mss: Remove redundant running state remoteproc: qcom: q6v5: Update running state before requesting stop remoteproc: qcom_q6v5_mss: Add modem debug policy support remoteproc: qcom_q6v5_mss: Validate modem blob firmware size before load remoteproc: qcom_q6v5_mss: Validate MBA firmware size before load rpmsg: update documentation remoteproc: qcom_q6v5_mss: Add MBA log extraction support remoteproc: Add coredump debugfs entry ... |
||
|
Linus Torvalds
|
dded87afda |
rpmsg updates for v5.9
This ensures that rpmsg uses little-endian, per the VirtIO 1.0 specification. -----BEGIN PGP SIGNATURE----- iQJPBAABCAA5FiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAl8yKzcbHGJqb3JuLmFu ZGVyc3NvbkBsaW5hcm8ub3JnAAoJEAsfOT8Nma3FyJYP/3jeDGupCc88bRuY0pVB tScUb5WbbBO9zK4Xz6TkQpPpaBj60P2M7yiBOx4OG/G0/96M9gBteQKfNZhysoVu +Uha6lVXbPSZoicRZaFR2ItH9AdpOV+HJ1oWesWudiMKASuZzhFfVIvtxTU4tSIj aWGEEJPXiXTVEeO86NE2C5o9kh1Ulsohe/S3nn8EiNu/AU5pDsfoc7heLpZqznjZ 3rT8mwJEPaviZEL92Cu8EPZAviC8OD0wb+QZHfEAXRwbNgZEEuM6zX5fLhBv7HJ3 iCqlmgNZunj4FR4QWlST/lrJTHCvAUzVFvlt+KKh/YixWCqR+yzrAEm4NOf/lfqC 3hOHbPoccDSY0Fi+bX7E1DzOoJxiHsBAZwSd75IKfCmXSEoMSI6/jVSN2nkcUzVn DlzmwsABWobPZAcRILr+kQtB3DAIijSxP9zCmLFF0chuHUn+IwcY/EObPnFUneLB JFYTPE6hvHgY99TiqJARZoy9wC+zsZqh0a1zfun/BL2k7eMpzu1C5yM7yTMBJB/8 /SEak9JACXSaYC5UGotduvB9vdghrBoy+44vcaXG/Q7EWd86/ovmTgeqnLrTxp53 aBy2u/IgVn995tpklHeMObiimjCSK6JiNXmNpS2uUD8TSKWGUYykdaNMeDwA9kQ5 7xeeCun9CGkCviMQIzyXw/ZX =ZCvJ -----END PGP SIGNATURE----- Merge tag 'rpmsg-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc Pull rpmsg update from Bjorn Andersson: "This ensures that rpmsg uses little-endian, per the VirtIO 1.0 specification" * tag 'rpmsg-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc: rpmsg: virtio: add endianness conversions |
||
|
Linus Torvalds
|
4bf5e36118 |
libnvdimm for 5.9
- Add 'Runtime Firmware Activation' support for NVDIMMs that advertise
the relevant capability
- Misc libnvdimm and DAX cleanups
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Merge tag 'libnvdimm-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updayes from Vishal Verma:
"You'd normally receive this pull request from Dan Williams, but he's
busy watching a newborn (Congrats Dan!), so I'm watching libnvdimm
this cycle.
This adds a new feature in libnvdimm - 'Runtime Firmware Activation',
and a few small cleanups and fixes in libnvdimm and DAX. I'd
originally intended to make separate topic-based pull requests - one
for libnvdimm, and one for DAX, but some of the DAX material fell out
since it wasn't quite ready.
Summary:
- add 'Runtime Firmware Activation' support for NVDIMMs that
advertise the relevant capability
- misc libnvdimm and DAX cleanups"
* tag 'libnvdimm-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm/security: ensure sysfs poll thread woke up and fetch updated attr
libnvdimm/security: the 'security' attr never show 'overwrite' state
libnvdimm/security: fix a typo
ACPI: NFIT: Fix ARS zero-sized allocation
dax: Fix incorrect argument passed to xas_set_err()
ACPI: NFIT: Add runtime firmware activate support
PM, libnvdimm: Add runtime firmware activation support
libnvdimm: Convert to DEVICE_ATTR_ADMIN_RO()
drivers/dax: Expand lock scope to cover the use of addresses
fs/dax: Remove unused size parameter
dax: print error message by pr_info() in __generic_fsdax_supported()
driver-core: Introduce DEVICE_ATTR_ADMIN_{RO,RW}
tools/testing/nvdimm: Emulate firmware activation commands
tools/testing/nvdimm: Prepare nfit_ctl_test() for ND_CMD_CALL emulation
tools/testing/nvdimm: Add command debug messages
tools/testing/nvdimm: Cleanup dimm index passing
ACPI: NFIT: Define runtime firmware activation commands
ACPI: NFIT: Move bus_dsm_mask out of generic nvdimm_bus_descriptor
libnvdimm: Validate command family indices
|
||
Johannes Thumshirn
|
4c96870e58 |
zonefs: update documentation to reflect zone size vs capacity
Update the zonefs documentation to reflect the difference between a zone's size and it's capacity. The maximum file size in zonefs is the zones capacity, for ZBC and ZAC based devices, which do not have a separate zone capacity, the zone capacity is equal to the zone size. Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> |
||
|
Johannes Thumshirn
|
e3c3155bc9 |
zonefs: add zone-capacity support
In the zoned storage model, the sectors within a zone are typically all writeable. With the introduction of the Zoned Namespace (ZNS) Command Set in the NVM Express organization, the model was extended to have a specific writeable capacity. This zone capacity can be less than the overall zone size for a NVMe ZNS device or null_blk in zoned-mode. For other ZBC/ZAC devices the zone capacity is always equal to the zone size. Use the zone capacity field instead from blk_zone for determining the maximum inode size and inode blocks in zonefs. Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> |
||
|
Linus Torvalds
|
00e4db5125 |
perf tools changes for v5.9
New features:
- Introduce controlling how 'perf stat' and 'perf record' works via a
control file descriptor, allowing starting with events configured but
disabled until commands are received via the control file descriptor.
This allows, for instance for tools such as Intel VTune to make further
use of perf as its Linux platform driver.
- Improve 'perf record' to to register in a perf.data file header the clockid
used to help later correlate things like syslog files and perf events
recorded.
- Add basic syscall and find_next_bit benchmarks to 'perf bench'.
- Allow using computed metrics in calculating other metrics. For instance:
{
.metric_expr = "l2_rqsts.demand_data_rd_hit + l2_rqsts.pf_hit + l2_rqsts.rfo_hit",
.metric_name = "DCache_L2_All_Hits",
},
{
.metric_expr = "max(l2_rqsts.all_demand_data_rd - l2_rqsts.demand_data_rd_hit, 0) + l2_rqsts.pf_miss + l2_rqsts.rfo_miss",
.metric_name = "DCache_L2_All_Miss",
},
{
.metric_expr = "dcache_l2_all_hits + dcache_l2_all_miss",
.metric_name = "DCache_L2_All",
}
- Add suport for 'd_ratio', '>' and '<' operators to the expression resolver used
in calculating metrics in 'perf stat'.
Support for new kernel features:
- Support TEXT_POKE and KSYMBOL_TYPE_OOL perf metadata events to cope with
things like ftrace, trampolines, i.e. changes in the kernel text that gets
in the way of properly decoding Intel PT hardware traces, for instance.
Intel PT:
- Add various knobs to reduce the volume of Intel PT traces by reducing the
level of details such as decoding just some types of packets (e.g., FUP/TIP,
PSB+), also filtering by time range.
- Add new itrace options (log flags to the 'd' option, error flags to the 'e'
one, etc), controlling how Intel PT is transformed into perf events, document
some missing options (e.g., how to synthesize callchains).
BPF:
- Properly report BPF errors when parsing events.
- Do not setup side-band events if LIBBPF is not linked, fixing a segfault.
Libraries:
- Improvements on the libtraceevent plugin mechanism.
- Improve libtracevent support for KVM trace events SVM exit reasons.
- Add a libtracevent plugins for decoding syscalls/sys_enter_futex and for tlb_flush.
- Ensure sample_period is set libpfm4 events in 'perf test'.
- Fixup libperf namespacing, to make sure what is in libperf has the perf_
namespace while what is now only in tools/perf/ doesn't use that prefix.
Arch specific:
- Improve the testing of vendor events and metrics in 'perf test'.
- Allow no ARM CoreSight hardware tracer sink to be specified on command line.
- Fix arm_spe_x recording when mixed with other perf events.
- Add s390 idle functions 'psw_idle' and 'psw_idle_exit' to list of idle symbols.
- List kernel supplied event aliases for arm64 in 'perf list'.
- Add support for extended register capability in PowerPC 9 and 10.
- Added nest IMC power9 metric events.
Miscellaneous:
- No need to setup sample_regs_intr/sample_regs_user for dummy events.
- Update various copies of kernel headers, some causing perf to handle new
syscalls, MSRs, etc.
- Improve usage of flex and yacc, enabling warnings and addressing the fallout.
- Add missing '--output' option to 'perf kmem' so that it can pass it along to 'perf record'.
- 'perf probe' fixes related to adding multiple probes on the same address for
the same event.
- Make 'perf probe' warn if the target function is a GNU indirect function.
- Remove //anon mmap events from 'perf inject jit' to fix supporting both using
ELF files for generated functions and the perf-PID.map approaches.
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.
fedora:rawhide with python3 and gcc 10.1.1-2 is failing (10.1.1-1 on fedora:32
works), fixes will be provided soon.
clearlinux:latest is failing on libbpf, there is a fix already in the bpf tree.
The ones failing when linking with libllvm, not the default build, were
restricted to clang-9/llvm-9, working with anything before or after, e.g.,
using clang-8 on ubuntu:19.10 and clang-11 on debian:experimental fixed the
build in those environments.
# export PERF_TARBALL=http://192.168.124.1/perf/perf-5.8.0.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:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23)
19 centos:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39)
20 centos:8 : Ok gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5), clang version 9.0.1 (Red Hat 9.0.1-2.module_el8.2.0+309+0c7b6b03)
21 clearlinux:latest : FAIL gcc (Clear Linux OS for Intel Architecture) 10.2.1 20200723 releases/gcc-10.2.0-3-g677b80db41, clang version 10.0.1
gcc (Clear Linux OS for Intel Architecture) 10.2.1 20200723 releases/gcc-10.2.0-3-g677b80db41
btf.c: In function 'btf__parse_raw':
btf.c:625:28: error: 'btf' may be used uninitialized in this function [-Werror=maybe-uninitialized]
625 | return err ? ERR_PTR(err) : btf;
| ~~~~~~~~~~~~~~~~~~~^~~~~
22 debian:8 : Ok gcc (Debian 4.9.2-10+deb8u2) 4.9.2, Debian clang version 3.5.0-10 (tags/RELEASE_350/final) (based on LLVM 3.5.0)
23 debian:9 : Ok gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516, clang version 3.8.1-24 (tags/RELEASE_381/final)
24 debian:10 : Ok gcc (Debian 8.3.0-6) 8.3.0, clang version 7.0.1-8 (tags/RELEASE_701/final)
25 debian:experimental : Ok gcc (Debian 10.2.0-3) 10.2.0, Debian clang version 11.0.0-+rc1-1
26 debian:experimental-x-arm64 : Ok aarch64-linux-gnu-gcc (Debian 9.3.0-8) 9.3.0
27 debian:experimental-x-mips : Ok mips-linux-gnu-gcc (Debian 8.3.0-19) 8.3.0
28 debian:experimental-x-mips64 : Ok mips64-linux-gnuabi64-gcc (Debian 9.3.0-8) 9.3.0
29 debian:experimental-x-mipsel : Ok mipsel-linux-gnu-gcc (Debian 9.2.1-8) 9.2.1 20190909
30 fedora:20 : Ok gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
31 fedora:22 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.5.0 (tags/RELEASE_350/final)
32 fedora:23 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.7.0 (tags/RELEASE_370/final)
33 fedora:24 : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1), clang version 3.8.1 (tags/RELEASE_381/final)
34 fedora:24-x-ARC-uClibc : Ok arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
35 fedora:25 : Ok gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1), clang version 3.9.1 (tags/RELEASE_391/final)
36 fedora:26 : Ok gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2), clang version 4.0.1 (tags/RELEASE_401/final)
37 fedora:27 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 5.0.2 (tags/RELEASE_502/final)
38 fedora:28 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 6.0.1 (tags/RELEASE_601/final)
39 fedora:29 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 7.0.1 (Fedora 7.0.1-6.fc29)
40 fedora:30 : Ok gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 8.0.0 (Fedora 8.0.0-3.fc30)
41 fedora:30-x-ARC-glibc : Ok arc-linux-gcc (ARC HS GNU/Linux glibc toolchain 2019.03-rc1) 8.3.1 20190225
42 fedora:30-x-ARC-uClibc : Ok arc-linux-gcc (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
43 fedora:31 : Ok gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 9.0.1 (Fedora 9.0.1-2.fc31)
44 fedora:32 : Ok gcc (GCC) 10.1.1 20200507 (Red Hat 10.1.1-1), clang version 10.0.0 (Fedora 10.0.0-2.fc32)
45 fedora:rawhide : FAIL gcc (GCC) 10.2.1 20200723 (Red Hat 10.2.1-1), clang version 10.0.0 (Fedora 10.0.0-10.fc33)
gcc (GCC) 10.2.1 20200723 (Red Hat 10.2.1-1)
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);
| ^~~~~~~~~~~~~~
46 gentoo-stage3-amd64:latest : Ok gcc (Gentoo 9.3.0-r1 p3) 9.3.0
47 mageia:5 : Ok gcc (GCC) 4.9.2, clang version 3.5.2 (tags/RELEASE_352/final)
48 mageia:6 : Ok gcc (Mageia 5.5.0-1.mga6) 5.5.0, clang version 3.9.1 (tags/RELEASE_391/final)
49 mageia:7 : Ok gcc (Mageia 8.3.1-0.20190524.1.mga7) 8.3.1 20190524, clang version 8.0.0 (Mageia 8.0.0-1.mga7)
50 manjaro:latest : Ok gcc (GCC) 9.2.0, clang version 9.0.0 (tags/RELEASE_900/final)
51 openmandriva:cooker : Ok gcc (GCC) 10.0.0 20200502 (OpenMandriva), clang version 10.0.1
52 opensuse:15.0 : Ok gcc (SUSE Linux) 7.4.1 20190424 [gcc-7-branch revision 270538], clang version 5.0.1 (tags/RELEASE_501/final 312548)
53 opensuse:15.1 : Ok gcc (SUSE Linux) 7.5.0, clang version 7.0.1 (tags/RELEASE_701/final 349238)
54 opensuse:15.2 : Ok gcc (SUSE Linux) 7.5.0, clang version 9.0.1
55 opensuse:42.3 : Ok gcc (SUSE Linux) 4.8.5, clang version 3.8.0 (tags/RELEASE_380/final 262553)
56 opensuse:tumbleweed : Ok gcc (SUSE Linux) 10.2.1 20200728 [revision c0438ced53bcf57e4ebb1c38c226e41571aca892], clang version 10.0.1
57 oraclelinux:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
58 oraclelinux:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39.0.5)
59 oraclelinux:8 : Ok gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5.0.3), clang version 9.0.1 (Red Hat 9.0.1-2.0.1.module+el8.2.0+5599+9ed9ef6d)
60 ubuntu:12.04 : Ok gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3, Ubuntu clang version 3.0-6ubuntu3 (tags/RELEASE_30/final) (based on LLVM 3.0)
61 ubuntu:14.04 : Ok gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
62 ubuntu:16.04 : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609, clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)
63 ubuntu:16.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
64 ubuntu:16.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
65 ubuntu:16.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
66 ubuntu:16.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
67 ubuntu:16.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
68 ubuntu:16.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
69 ubuntu:18.04 : Ok gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0, clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
70 ubuntu:18.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
71 ubuntu:18.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
72 ubuntu:18.04-x-m68k : Ok m68k-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
73 ubuntu:18.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
74 ubuntu:18.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
75 ubuntu:18.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
76 ubuntu:18.04-x-riscv64 : Ok riscv64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
77 ubuntu:18.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
78 ubuntu:18.04-x-sh4 : Ok sh4-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
79 ubuntu:18.04-x-sparc64 : Ok sparc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
80 ubuntu:18.10 : Ok gcc (Ubuntu 8.3.0-6ubuntu1~18.10.1) 8.3.0, clang version 7.0.0-3 (tags/RELEASE_700/final)
81 ubuntu:19.04 : Ok gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0, clang version 8.0.0-3 (tags/RELEASE_800/final)
82 ubuntu:19.04-x-alpha : Ok alpha-linux-gnu-gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
83 ubuntu:19.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 8.3.0-6ubuntu1) 8.3.0
84 ubuntu:19.04-x-hppa : Ok hppa-linux-gnu-gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
85 ubuntu:19.10 : Ok gcc (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008, clang version 8.0.1-3build1 (tags/RELEASE_801/final)
86 219.74 ubuntu:20.04 : Ok gcc (Ubuntu 9.3.0-10ubuntu2) 9.3.0, clang version 10.0.0-4ubuntu1
#
# uname -a
Linux quaco 5.7.12-200.fc32.x86_64 #1 SMP Sat Aug 1 16:13:38 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
# git log --oneline -1
|
||
|
Linus Torvalds
|
ed3854ff99 |
Updates for ktest 5.9
- Have config-bisect save the good/bad configs at each step. - Show log file location even on success - Add PRE_TEST_DIE to kill test if the PRE_TEST fails - Add a NOT operator for conditionals in config file - Add the log output of the last test when emailing on failure. - Other minor clean ups and small fixes. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCXzH4tBQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qiTVAQCmZzxANHxg58CI4gKCMDmUb9PBoPru 9vIHnQzgr8YiMQEA9+UIuxQxSVT79ONABut56tlTksPqWYelpdkn+nrJAAE= =ilWu -----END PGP SIGNATURE----- Merge tag 'ktest-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest Pull ktest updates from Steven Rostedt: - Have config-bisect save the good/bad configs at each step. - Show log file location even on success - Add PRE_TEST_DIE to kill test if the PRE_TEST fails - Add a NOT operator for conditionals in config file - Add the log output of the last test when emailing on failure. - Other minor clean ups and small fixes. * tag 'ktest-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest: ktest.pl: Fix spelling mistake "Cant" -> "Can't" ktest.pl: Change the logic to control the size of the log file emailed ktest.pl: Add MAIL_MAX_SIZE to limit the amount of log emailed ktest.pl: Add the log of last test in email on failure ktest.pl: Turn off buffering to the log file ktest.pl: Just open up the log file once ktest.pl: Add a NOT operator ktest.pl: Define PRE_TEST_DIE to kill the test if the PRE_TEST fails ktest.pl: Always show log file location if defined even on success ktest.pl: Have config-bisect save each config used in the bisect |
||
|
Linus Torvalds
|
97d052ea3f |
A set of locking fixes and updates:
- Untangle the header spaghetti which causes build failures in various
situations caused by the lockdep additions to seqcount to validate that
the write side critical sections are non-preemptible.
- The seqcount associated lock debug addons which were blocked by the
above fallout.
seqcount writers contrary to seqlock writers must be externally
serialized, which usually happens via locking - except for strict per
CPU seqcounts. As the lock is not part of the seqcount, lockdep cannot
validate that the lock is held.
This new debug mechanism adds the concept of associated locks.
sequence count has now lock type variants and corresponding
initializers which take a pointer to the associated lock used for
writer serialization. If lockdep is enabled the pointer is stored and
write_seqcount_begin() has a lockdep assertion to validate that the
lock is held.
Aside of the type and the initializer no other code changes are
required at the seqcount usage sites. The rest of the seqcount API is
unchanged and determines the type at compile time with the help of
_Generic which is possible now that the minimal GCC version has been
moved up.
Adding this lockdep coverage unearthed a handful of seqcount bugs which
have been addressed already independent of this.
While generaly useful this comes with a Trojan Horse twist: On RT
kernels the write side critical section can become preemtible if the
writers are serialized by an associated lock, which leads to the well
known reader preempts writer livelock. RT prevents this by storing the
associated lock pointer independent of lockdep in the seqcount and
changing the reader side to block on the lock when a reader detects
that a writer is in the write side critical section.
- Conversion of seqcount usage sites to associated types and initializers.
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Merge tag 'locking-urgent-2020-08-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Thomas Gleixner:
"A set of locking fixes and updates:
- Untangle the header spaghetti which causes build failures in
various situations caused by the lockdep additions to seqcount to
validate that the write side critical sections are non-preemptible.
- The seqcount associated lock debug addons which were blocked by the
above fallout.
seqcount writers contrary to seqlock writers must be externally
serialized, which usually happens via locking - except for strict
per CPU seqcounts. As the lock is not part of the seqcount, lockdep
cannot validate that the lock is held.
This new debug mechanism adds the concept of associated locks.
sequence count has now lock type variants and corresponding
initializers which take a pointer to the associated lock used for
writer serialization. If lockdep is enabled the pointer is stored
and write_seqcount_begin() has a lockdep assertion to validate that
the lock is held.
Aside of the type and the initializer no other code changes are
required at the seqcount usage sites. The rest of the seqcount API
is unchanged and determines the type at compile time with the help
of _Generic which is possible now that the minimal GCC version has
been moved up.
Adding this lockdep coverage unearthed a handful of seqcount bugs
which have been addressed already independent of this.
While generally useful this comes with a Trojan Horse twist: On RT
kernels the write side critical section can become preemtible if
the writers are serialized by an associated lock, which leads to
the well known reader preempts writer livelock. RT prevents this by
storing the associated lock pointer independent of lockdep in the
seqcount and changing the reader side to block on the lock when a
reader detects that a writer is in the write side critical section.
- Conversion of seqcount usage sites to associated types and
initializers"
* tag 'locking-urgent-2020-08-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
locking/seqlock, headers: Untangle the spaghetti monster
locking, arch/ia64: Reduce <asm/smp.h> header dependencies by moving XTP bits into the new <asm/xtp.h> header
x86/headers: Remove APIC headers from <asm/smp.h>
seqcount: More consistent seqprop names
seqcount: Compress SEQCNT_LOCKNAME_ZERO()
seqlock: Fold seqcount_LOCKNAME_init() definition
seqlock: Fold seqcount_LOCKNAME_t definition
seqlock: s/__SEQ_LOCKDEP/__SEQ_LOCK/g
hrtimer: Use sequence counter with associated raw spinlock
kvm/eventfd: Use sequence counter with associated spinlock
userfaultfd: Use sequence counter with associated spinlock
NFSv4: Use sequence counter with associated spinlock
iocost: Use sequence counter with associated spinlock
raid5: Use sequence counter with associated spinlock
vfs: Use sequence counter with associated spinlock
timekeeping: Use sequence counter with associated raw spinlock
xfrm: policy: Use sequence counters with associated lock
netfilter: nft_set_rbtree: Use sequence counter with associated rwlock
netfilter: conntrack: Use sequence counter with associated spinlock
sched: tasks: Use sequence counter with associated spinlock
...
|
||
|
Linus Torvalds
|
086ba2ec16 |
f2fs-for-5.9-rc1
In this round, we've added two small interfaces, 1) GC_URGENT_LOW mode for performance, and 2) F2FS_IOC_SEC_TRIM_FILE ioctl for security. The new GC mode allows Android to run some lower priority GCs in background, while new ioctl discards user information without race condition when the account is removed. In addition, some patches were merged to address latency-related issues. We've fixed some compression-related bug fixes as well as edge race conditions. Enhancement: - add GC_URGENT_LOW mode in gc_urgent - introduce F2FS_IOC_SEC_TRIM_FILE ioctl - bypass racy readahead to improve read latencies - shrink node_write lock coverage to avoid long latency Bug fix: - fix missing compression flag control, i_size, and mount option - fix deadlock between quota writes and checkpoint - remove inode eviction path in synchronous path to avoid deadlock - fix to wait GCed compressed page writeback - fix a kernel panic in f2fs_is_compressed_page - check page dirty status before writeback - wait page writeback before update in node page write flow - fix a race condition between f2fs_write_end_io and f2fs_del_fsync_node_entry We've added some minor sanity checks and refactored trivial code blocks for better readability and debugging information. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE00UqedjCtOrGVvQiQBSofoJIUNIFAl8xhqMACgkQQBSofoJI UNLYgA//WMoOqBACDuOWwYmgQ8oq4vrH2LOwssZF9/77vEfaHKc+TSq1il54lcUl MPEx7FK54CnfT8VLLR5ByobZFyH9FFeAw4FN4LBhcfE8jh8ysAGjeoZjwfcmJF6R cVKtn8ltUpgH3IEUuPjTiKkVNHfVJxuuL3zHbg1CEl+AkR6NJ/U9kNLwf7ZgPWq2 I0qwyXRlUIEChhyPZB+Y6RsdGjkeievKld56DMCgG73f4yHRO/yBcrfsN875sGdM ALL+mYiunMT6aXcfoiQiAjeImoNajuflI6Zso2Sk8Vl6sBj0QwAuEBF5x1Z5e1mt YVYNuC4ucqsDBKpOqtsPP0MFTC2T5Rr9wWXjqv+9TjN7zvJ8xx+zDWtQxvI2bpqB 4ZRxaJP45aThLYh/SEYDmj+ppyPtfLDeG0HzUkwMmuopf9eg+kxGPjBsZewgkCKg kmMKU0P7deGlkrWLUcz2vm0Lso+ieGm0IeLOQl9/rOLu3IQQFia0Vla7dLDgqF0P sz+udIiBztC3JPEmEZhfayA6P6e1TyWQUdquL08jp+DZD17gPqcaZDhHr62U5rmK 7zoiZqkR03SbNaFhBhhoVOaAVcAnF0pSIgqzkCa3dVXxp1QV+JfD9CGR9NFyiIqB HK5RPFskIUCg0K2LSaAKbyoFWa/fJ8ZD8/CbFWcnXfWzoaaSkmc= =PjaF -----END PGP SIGNATURE----- Merge tag 'f2fs-for-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs Pull f2fs updates from Jaegeuk Kim: "In this round, we've added two small interfaces: (a) GC_URGENT_LOW mode for performance and (b) F2FS_IOC_SEC_TRIM_FILE ioctl for security. The new GC mode allows Android to run some lower priority GCs in background, while new ioctl discards user information without race condition when the account is removed. In addition, some patches were merged to address latency-related issues. We've fixed some compression-related bug fixes as well as edge race conditions. Enhancements: - add GC_URGENT_LOW mode in gc_urgent - introduce F2FS_IOC_SEC_TRIM_FILE ioctl - bypass racy readahead to improve read latencies - shrink node_write lock coverage to avoid long latency Bug fixes: - fix missing compression flag control, i_size, and mount option - fix deadlock between quota writes and checkpoint - remove inode eviction path in synchronous path to avoid deadlock - fix to wait GCed compressed page writeback - fix a kernel panic in f2fs_is_compressed_page - check page dirty status before writeback - wait page writeback before update in node page write flow - fix a race condition between f2fs_write_end_io and f2fs_del_fsync_node_entry We've added some minor sanity checks and refactored trivial code blocks for better readability and debugging information" * tag 'f2fs-for-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (52 commits) f2fs: prepare a waiter before entering io_schedule f2fs: update_sit_entry: Make the judgment condition of f2fs_bug_on more intuitive f2fs: replace test_and_set/clear_bit() with set/clear_bit() f2fs: make file immutable even if releasing zero compression block f2fs: compress: disable compression mount option if compression is off f2fs: compress: add sanity check during compressed cluster read f2fs: use macro instead of f2fs verity version f2fs: fix deadlock between quota writes and checkpoint f2fs: correct comment of f2fs_exist_written_data f2fs: compress: delay temp page allocation f2fs: compress: fix to update isize when overwriting compressed file f2fs: space related cleanup f2fs: fix use-after-free issue f2fs: Change the type of f2fs_flush_inline_data() to void f2fs: add F2FS_IOC_SEC_TRIM_FILE ioctl f2fs: should avoid inode eviction in synchronous path f2fs: segment.h: delete a duplicated word f2fs: compress: fix to avoid memory leak on cc->cpages f2fs: use generic names for generic ioctls f2fs: don't keep meta inode pages used for compressed block migration ... |
||
|
Linus Torvalds
|
8c2618a6d0 |
Changes in gfs2:
- Make sure transactions won't be started recursively in gfs2_block_zero_range.
(Bug introduced in 5.4 when switching to iomap_zero_range.)
- Fix a glock holder refcount leak introduced in the iopen glock locking
scheme rework merged in 5.8.
- A few other small improvements (debugging, stack usage, comment fixes).
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Merge tag 'gfs2-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 updates from Andreas Gruenbacher:
- Make sure transactions won't be started recursively in
gfs2_block_zero_range (bug introduced in 5.4 when switching to
iomap_zero_range)
- Fix a glock holder refcount leak introduced in the iopen glock
locking scheme rework merged in 5.8.
- A few other small improvements (debugging, stack usage, comment
fixes).
* tag 'gfs2-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: When gfs2_dirty_inode gets a glock error, dump the glock
gfs2: Never call gfs2_block_zero_range with an open transaction
gfs2: print details on transactions that aren't properly ended
gfs2: Fix inaccurate comment
fs: Fix typo in comment
gfs2: Fix refcount leak in gfs2_glock_poke
gfs2: Pass glock holder to gfs2_file_direct_{read,write}
gfs2: Add some flags missing from glock output
|
||
|
Linus Torvalds
|
163c3e3dc0 |
This pull request contains changes for JFFS2, UBI and UBIFS
JFFS2:
- Fix for a corner case while mounting
- Fix for an use-after-free issue
UBI:
- Fix for a memory load while attaching
- Don't produce an anchor PEB with fastmap being disabled
UBIFS:
- Fix for orphan inode logic
- Spelling fixes
- New mount option to specify filesystem version
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Merge tag 'for-linus-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull JFFS2, UBI and UBIFS updates from Richard Weinberger:
"JFFS2:
- Fix for a corner case while mounting
- Fix for an use-after-free issue
UBI:
- Fix for a memory load while attaching
- Don't produce an anchor PEB with fastmap being disabled
UBIFS:
- Fix for orphan inode logic
- Spelling fixes
- New mount option to specify filesystem version"
* tag 'for-linus-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
jffs2: fix UAF problem
jffs2: fix jffs2 mounting failure
ubifs: Fix wrong orphan node deletion in ubifs_jnl_update|rename
ubi: fastmap: Free fastmap next anchor peb during detach
ubi: fastmap: Don't produce the initial next anchor PEB when fastmap is disabled
ubifs: misc.h: delete a duplicated word
ubifs: add option to specify version for new file systems
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Linus Torvalds
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4bcf69e570 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov: - an update to Elan touchpad controller driver supporting newer ICs with enhanced precision reports and a new firmware update process - an update to EXC3000 touch controller supporting additional parts - assorted driver fixups * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (27 commits) Input: exc3000 - add support to query model and fw_version Input: exc3000 - add reset gpio support Input: exc3000 - add EXC80H60 and EXC80H84 support dt-bindings: touchscreen: Convert EETI EXC3000 touchscreen to json-schema Input: sentelic - fix error return when fsp_reg_write fails Input: alps - remove redundant assignment to variable ret Input: ims-pcu - return error code rather than -ENOMEM Input: elan_i2c - add ic type 0x15 Input: atmel_mxt_ts - only read messages in mxt_acquire_irq() when necessary Input: uinput - fix typo in function name documentation Input: ati_remote2 - add missing newlines when printing module parameters Input: psmouse - add a newline when printing 'proto' by sysfs Input: synaptics-rmi4 - drop a duplicated word Input: elan_i2c - add support for high resolution reports Input: elan_i2c - do not constantly re-query pattern ID Input: elan_i2c - add firmware update info for ICs 0x11, 0x13, 0x14 Input: elan_i2c - handle firmware updated on newer ICs Input: elan_i2c - add support for different firmware page sizes Input: elan_i2c - fix detecting IAP version on older controllers Input: elan_i2c - handle devices with patterns above 1 ... |
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Linus Torvalds
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b7b8e3689a |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina: - fix for some modern devices that return multi-byte battery report, from Grant Likely - fix for devices with Resolution Multiplier, from Peter Hutterer - device probing speed increase, from Dmitry Torokhov - ThinkPad 10 Ultrabook Keyboard support, from Hans de Goede - other small assorted fixes and device ID additions * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: HID: quirks: add NOGET quirk for Logitech GROUP HID: Replace HTTP links with HTTPS ones HID: udraw-ps3: Replace HTTP links with HTTPS ones HID: mcp2221: Replace HTTP links with HTTPS ones HID: input: Fix devices that return multiple bytes in battery report HID: lenovo: Fix spurious F23 key press report during resume from suspend HID: lenovo: Add ThinkPad 10 Ultrabook Keyboard fn_lock support HID: lenovo: Add ThinkPad 10 Ultrabook Keyboard support HID: lenovo: Rename fn_lock sysfs attr handlers to make them generic HID: lenovo: Factor out generic parts of the LED code HID: lenovo: Merge tpkbd and cptkbd data structures HID: intel-ish-hid: Replace PCI_DEV_FLAGS_NO_D3 with pci_save_state HID: Wiimote: Treat the d-pad as an analogue stick HID: input: do not run GET_REPORT unless there's a Resolution Multiplier HID: usbhid: remove redundant assignment to variable retval HID: usbhid: do not sleep when opening device |
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Colin Ian King
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ff131efff1 |
ktest.pl: Fix spelling mistake "Cant" -> "Can't"
There is a spelling mistake in an error message. Fix it. Link: https://lkml.kernel.org/r/20200810100750.61475-1-colin.king@canonical.com Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> |
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Steven Rostedt (VMware)
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855d8abd2e |
ktest.pl: Change the logic to control the size of the log file emailed
If the log file for a given test is larger than the max size given then use set the seek from the end of the log file instead of from the start of the test. Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> |
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Michael S. Tsirkin
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8a7c3213db |
vdpa/mlx5: fix up endian-ness for mtu
VDPA mlx5 accesses config space as native endian - this is wrong since it's a modern device and actually uses LE. It only supports modern guests so we could punt and just force LE, but let's use the full virtio APIs since people tend to copy/paste code, and this is not data path anyway. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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Dan Carpenter
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cf16fe9243 |
vdpa: Fix pointer math bug in vdpasim_get_config()
If "offset" is non-zero then we end up copying from beyond the end of
the config because of pointer math. We can fix this by casting the
struct to a u8 pointer.
Fixes:
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Christophe Leroy
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3df14264ad |
recordmcount: Fix build failure on non arm64
Commit |
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Dan Carpenter
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2874211fcd |
vdpa/mlx5: Fix pointer math in mlx5_vdpa_get_config()
There is a pointer math bug here so if "offset" is non-zero then this will copy memory from beyond the end of the array. Fixes: |
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Colin Ian King
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f31231bf26 |
vdpa/mlx5: fix memory allocation failure checks
The memory allocation failure checking for in and out is currently
checking if the pointers are valid rather than the contents of what
they point to. Hence the null check on failed memory allocations is
incorrect. Fix this by adding the missing indirection in the check.
Also for the default case, just set the *in and *out to null as
these don't have any thing allocated to kfree. Finally remove the
redundant *in and *out check as these have been already done on each
allocation in the case statement.
Addresses-Coverity: ("Null pointer dereference")
Fixes:
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