Support for changing the tagging protocol was added without this
operation being documented; do so now.
Fixes: 53da0ebaad ("net: dsa: allow changing the tag protocol via the "tagging" device attribute")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Changes were made to the prototype of get_tag_protocol without
describing at a high level what they are about. Update the documentation
to explain that.
Fixes: 5ed4e3eb02 ("net: dsa: Pass a port to get_tag_protocol()")
Fixes: 4d776482ec ("net: dsa: Get information about stacked DSA protocol")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since the blamed commit, the enum was turned into a function pointer and
also renamed. Update the documentation.
Fixes: 7b314362a2 ("net: dsa: Allow the DSA driver to indicate the tag protocol")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Document the changes that took place in the DSA core in the blamed
commit.
Fixes: 0650bf52b3 ("net: dsa: be compatible with masters which unregister on shutdown")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since the blamed commit we don't have register_switch_driver() and
unregister_switch_driver() anymore. Additionally, the expected
dsa_register_switch() and dsa_unregister_switch() calls aren't
documented.
Update the probing section with the details of how things are currently
done.
Fixes: 93e86b3bc8 ("net: dsa: Remove legacy probing support")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Kuniyuki Iwashima says:
====================
sysctl: Fix data-races around ipv4_net_table (Round 3).
This series fixes data-races around 21 knobs after
igmp_link_local_mcast_reports in ipv4_net_table.
These 4 knobs are skipped because they are safe.
- tcp_congestion_control: Safe with RCU and xchg().
- tcp_available_congestion_control: Read only.
- tcp_allowed_congestion_control: Safe with RCU and spinlock().
- tcp_fastopen_key: Safe with RCU and xchg()
So, round 4 will start with fib_multipath_use_neigh.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_fastopen_blackhole_timeout, it can be changed
concurrently. Thus, we need to add READ_ONCE() to its readers.
Fixes: cf1ef3f071 ("net/tcp_fastopen: Disable active side TFO in certain scenarios")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_fastopen, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
Fixes: 2100c8d2d9 ("net-tcp: Fast Open base")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_max_syn_backlog, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_tw_reuse, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_notsent_lowat, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.
Fixes: c9bee3b7fd ("tcp: TCP_NOTSENT_LOWAT socket option")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading these sysctl knobs, they can be changed concurrently.
Thus, we need to add READ_ONCE() to their readers.
- tcp_retries1
- tcp_retries2
- tcp_orphan_retries
- tcp_fin_timeout
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_reordering, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_migrate_req, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
Fixes: f9ac779f88 ("net: Introduce net.ipv4.tcp_migrate_req.")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_syncookies, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_syn(ack)?_retries, they can be changed
concurrently. Thus, we need to add READ_ONCE() to their readers.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_keepalive_(time|probes|intvl), they can be changed
concurrently. Thus, we need to add READ_ONCE() to their readers.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_igmp_qrv, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
This test can be packed into a helper, so such changes will be in the
follow-up series after net is merged into net-next.
qrv ?: READ_ONCE(net->ipv4.sysctl_igmp_qrv);
Fixes: a9fe8e2994 ("ipv4: implement igmp_qrv sysctl to tune igmp robustness variable")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_igmp_max_msf, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_igmp_max_memberships, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_igmp_llm_reports, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
This test can be packed into a helper, so such changes will be in the
follow-up series after net is merged into net-next.
if (ipv4_is_local_multicast(pmc->multiaddr) &&
!READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))
Fixes: df2cf4a78e ("IGMP: Inhibit reports for local multicast groups")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adjusted as per packet processor documentation.
This allows to properly match 'indev' for clsact rules.
Fixes: 47327e198d ("net: prestera: acl: migrate to new vTCAM api")
Signed-off-by: Maksym Glubokiy <maksym.glubokiy@plvision.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Socket destruction flow and tls_device_down function sync against each
other using tls_device_lock and the context refcount, to guarantee the
device resources are freed via tls_dev_del() by the end of
tls_device_down.
In the following unfortunate flow, this won't happen:
- refcount is decreased to zero in tls_device_sk_destruct.
- tls_device_down starts, skips the context as refcount is zero, going
all the way until it flushes the gc work, and returns without freeing
the device resources.
- only then, tls_device_queue_ctx_destruction is called, queues the gc
work and frees the context's device resources.
Solve it by decreasing the refcount in the socket's destruction flow
under the tls_device_lock, for perfect synchronization. This does not
slow down the common likely destructor flow, in which both the refcount
is decreased and the spinlock is acquired, anyway.
Fixes: e8f6979981 ("net/tls: Add generic NIC offload infrastructure")
Reviewed-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Using current implementation of polling mode, there is high chances we
will hit into timeout error when running phc2sys. Hence, update the
implementation of hardware crosstimestamping to use the MAC interrupt
service routine instead of polling for TSIS bit in the MAC Timestamp
Interrupt Status register to be set.
Cc: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Wong Vee Khee <vee.khee.wong@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'drm-intel-fixes-2022-07-17' of git://anongit.freedesktop.org/drm/drm-intel
Pull intel drm build fix from Rodrigo Vivi:
"Our 'dim' flow has a problem with fixes of fixes getting missed. We
need to take a look on that later.
Meanwhile, please allow me to quickly propagate this fix for the
32-bit build issue here upstream"
* tag 'drm-intel-fixes-2022-07-17' of git://anongit.freedesktop.org/drm/drm-intel:
drm/i915/ttm: fix 32b build
- Fix SIGSEGV when processing syscall args in perf.data files in 'perf trace'.
- Sync kvm, msr-index and cpufeatures headers with the kernel sources.
- Fix 'convert perf time to TSC' 'perf test':
- No need to open events twice.
- Fix finding correct event on hybrid systems.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v5.19-2022-07-17' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix SIGSEGV when processing syscall args in perf.data files in 'perf
trace'
- Sync kvm, msr-index and cpufeatures headers with the kernel sources
- Fix 'convert perf time to TSC' 'perf test':
- No need to open events twice
- Fix finding correct event on hybrid systems
* tag 'perf-tools-fixes-for-v5.19-2022-07-17' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
perf trace: Fix SIGSEGV when processing syscall args
perf tests: Fix Convert perf time to TSC test for hybrid
perf tests: Stop Convert perf time to TSC test opening events twice
tools arch x86: Sync the msr-index.h copy with the kernel sources
tools headers cpufeatures: Sync with the kernel sources
tools headers UAPI: Sync linux/kvm.h with the kernel sources
Since segment_pages is no longer a compile time constant, it looks the
DIV_ROUND_UP(node->size, segment_pages) breaks the 32b build. Simplest
is just to use the ULL variant, but really we should need not need more
than u32 for the page alignment (also we are limited by that due to the
sg->length type), so also make it all u32.
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Fixes: aff1e0b09b ("drm/i915/ttm: fix sg_table construction")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Nirmoy Das <nirmoy.das@linux.intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220712174050.592550-1-matthew.auld@intel.com
(cherry picked from commit 9306b2b2df)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
loops due to insufficient locking
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Merge tag 'perf_urgent_for_v5.19_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fix from Borislav Petkov:
- A single data race fix on the perf event cleanup path to avoid
endless loops due to insufficient locking
* tag 'perf_urgent_for_v5.19_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Fix data race between perf_event_set_output() and perf_mmap_close()
can accomodate a XenPV guest due to how the latter is setting up the PAT
machinery
Now that the retbleed nightmare is public, here's the first round of
fallout fixes:
- Fix a build failure on 32-bit due to missing include
- Remove an untraining point in espfix64 return path
- other small cleanups
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Merge tag 'x86_urgent_for_v5.19_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Improve the check whether the kernel supports WP mappings so that it
can accomodate a XenPV guest due to how the latter is setting up the
PAT machinery
- Now that the retbleed nightmare is public, here's the first round of
fallout fixes:
* Fix a build failure on 32-bit due to missing include
* Remove an untraining point in espfix64 return path
* other small cleanups
* tag 'x86_urgent_for_v5.19_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/bugs: Remove apostrophe typo
um: Add missing apply_returns()
x86/entry: Remove UNTRAIN_RET from native_irq_return_ldt
x86/bugs: Mark retbleed_strings static
x86/pat: Fix x86_has_pat_wp()
x86/asm/32: Fix ANNOTATE_UNRET_SAFE use on 32-bit
- fix a configfs attribute of the gpio-sim module
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Merge tag 'gpio-fixes-for-v5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fix from Bartosz Golaszewski:
- fix a configfs attribute of the gpio-sim module
* tag 'gpio-fixes-for-v5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: sim: fix the chip_name configfs item
- a fix in Goodix driver to properly behave on the Aya Neo Next
- some more sanity checks in usbtouchscreen driver
- a tweak in wm97xx driver in preparation for remove() to return void
- a clarification in input core regarding units of measurement for
resolution on touch events.
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Merge tag 'input-for-v5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- fix Goodix driver to properly behave on the Aya Neo Next
- some more sanity checks in usbtouchscreen driver
- a tweak in wm97xx driver in preparation for remove() to return void
- a clarification in input core regarding units of measurement for
resolution on touch events.
* tag 'input-for-v5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: document the units for resolution of size axes
Input: goodix - call acpi_device_fix_up_power() in some cases
Input: wm97xx - make .remove() obviously always return 0
Input: usbtouchscreen - add driver_info sanity check
Fixes for the 5.19 cycle:
* power-supply core temperature interpolation regression fix for
incorrect boundaries
* ab8500 needs to destroy it's work queues in error paths
* Fix old DT refcount leak in arm-versatile
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Merge tag 'for-v5.19-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply fixes from Sebastian Reichel:
- power-supply core temperature interpolation regression fix for
incorrect boundaries
- ab8500 needs to destroy its work queues in error paths
- Fix old DT refcount leak in arm-versatile
* tag 'for-v5.19-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
power: supply: core: Fix boundary conditions in interpolation
power/reset: arm-versatile: Fix refcount leak in versatile_reboot_probe
power: supply: ab8500_fg: add missing destroy_workqueue in ab8500_fg_probe
On powerpc, 'perf trace' is crashing with a SIGSEGV when trying to
process a perf.data file created with 'perf trace record -p':
#0 0x00000001225b8988 in syscall_arg__scnprintf_augmented_string <snip> at builtin-trace.c:1492
#1 syscall_arg__scnprintf_filename <snip> at builtin-trace.c:1492
#2 syscall_arg__scnprintf_filename <snip> at builtin-trace.c:1486
#3 0x00000001225bdd9c in syscall_arg_fmt__scnprintf_val <snip> at builtin-trace.c:1973
#4 syscall__scnprintf_args <snip> at builtin-trace.c:2041
#5 0x00000001225bff04 in trace__sys_enter <snip> at builtin-trace.c:2319
That points to the below code in tools/perf/builtin-trace.c:
/*
* If this is raw_syscalls.sys_enter, then it always comes with the 6 possible
* arguments, even if the syscall being handled, say "openat", uses only 4 arguments
* this breaks syscall__augmented_args() check for augmented args, as we calculate
* syscall->args_size using each syscalls:sys_enter_NAME tracefs format file,
* so when handling, say the openat syscall, we end up getting 6 args for the
* raw_syscalls:sys_enter event, when we expected just 4, we end up mistakenly
* thinking that the extra 2 u64 args are the augmented filename, so just check
* here and avoid using augmented syscalls when the evsel is the raw_syscalls one.
*/
if (evsel != trace->syscalls.events.sys_enter)
augmented_args = syscall__augmented_args(sc, sample, &augmented_args_size, trace->raw_augmented_syscalls_args_size);
As the comment points out, we should not be trying to augment the args
for raw_syscalls. However, when processing a perf.data file, we are not
initializing those properly. Fix the same.
Reported-by: Claudio Carvalho <cclaudio@linux.ibm.com>
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lore.kernel.org/lkml/20220707090900.572584-1-naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The test does not always correctly determine the number of events for
hybrids, nor allow for more than 1 evsel when parsing.
Fix by iterating the events actually created and getting the correct
evsel for the events processed.
Fixes: d9da6f70eb ("perf tests: Support 'Convert perf time to TSC' test for hybrid")
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20220713123459.24145-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Do not call evlist__open() twice.
Fixes: 5bb017d4b9 ("perf test: Fix error message for test case 71 on s390, where it is not supported")
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20220713123459.24145-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick up the changes from these csets:
4ad3278df6 ("x86/speculation: Disable RRSBA behavior")
d7caac991f ("x86/cpu/amd: Add Spectral Chicken")
That cause no changes to tooling:
$ tools/perf/trace/beauty/tracepoints/x86_msr.sh > before
$ cp arch/x86/include/asm/msr-index.h tools/arch/x86/include/asm/msr-index.h
$ tools/perf/trace/beauty/tracepoints/x86_msr.sh > after
$ diff -u before after
$
Just silences this perf build warning:
Warning: Kernel ABI header at 'tools/arch/x86/include/asm/msr-index.h' differs from latest version at 'arch/x86/include/asm/msr-index.h'
diff -u tools/arch/x86/include/asm/msr-index.h arch/x86/include/asm/msr-index.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/lkml/YtQTm9wsB3hxQWvy@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the changes from:
f43b9876e8 ("x86/retbleed: Add fine grained Kconfig knobs")
a149180fbc ("x86: Add magic AMD return-thunk")
15e67227c4 ("x86: Undo return-thunk damage")
369ae6ffc4 ("x86/retpoline: Cleanup some #ifdefery")
4ad3278df6 x86/speculation: Disable RRSBA behavior
26aae8ccbc x86/cpu/amd: Enumerate BTC_NO
9756bba284 x86/speculation: Fill RSB on vmexit for IBRS
3ebc170068 x86/bugs: Add retbleed=ibpb
2dbb887e87 x86/entry: Add kernel IBRS implementation
6b80b59b35 x86/bugs: Report AMD retbleed vulnerability
a149180fbc x86: Add magic AMD return-thunk
15e67227c4 x86: Undo return-thunk damage
a883d624ae x86/cpufeatures: Move RETPOLINE flags to word 11
5180218615 x86/speculation/mmio: Enumerate Processor MMIO Stale Data bug
This only causes these perf files to be rebuilt:
CC /tmp/build/perf/bench/mem-memcpy-x86-64-asm.o
CC /tmp/build/perf/bench/mem-memset-x86-64-asm.o
And addresses this perf build warning:
Warning: Kernel ABI header at 'tools/arch/x86/include/asm/cpufeatures.h' differs from latest version at 'arch/x86/include/asm/cpufeatures.h'
diff -u tools/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h
Warning: Kernel ABI header at 'tools/arch/x86/include/asm/disabled-features.h' differs from latest version at 'arch/x86/include/asm/disabled-features.h'
diff -u tools/arch/x86/include/asm/disabled-features.h arch/x86/include/asm/disabled-features.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org
Link: https://lore.kernel.org/lkml/YtQM40VmiLTkPND2@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the changes in:
1b870fa557 ("kvm: stats: tell userspace which values are boolean")
That just rebuilds perf, as these patches don't add any new KVM ioctl to
be harvested for the the 'perf trace' ioctl syscall argument
beautifiers.
This is also by now used by tools/testing/selftests/kvm/, a simple test
build succeeded.
This silences this perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from latest version at 'include/uapi/linux/kvm.h'
diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Link: http://lore.kernel.org/lkml/YtQLDvQrBhJNl3n5@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'for-5.19-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs reverts from David Sterba:
"Due to a recent report [1] we need to revert the radix tree to xarray
conversion patches.
There's a problem with sleeping under spinlock, when xa_insert could
allocate memory under pressure. We use GFP_NOFS so this is a real
problem that we unfortunately did not discover during review.
I'm sorry to do such change at rc6 time but the revert is IMO the
safer option, there are patches to use mutex instead of the spin locks
but that would need more testing. The revert branch has been tested on
a few setups, all seem ok.
The conversion to xarray will be revisited in the future"
Link: https://lore.kernel.org/linux-btrfs/cover.1657097693.git.fdmanana@suse.com/ [1]
* tag 'for-5.19-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
Revert "btrfs: turn delayed_nodes_tree into an XArray"
Revert "btrfs: turn name_cache radix tree into XArray in send_ctx"
Revert "btrfs: turn fs_info member buffer_radix into XArray"
Revert "btrfs: turn fs_roots_radix in btrfs_fs_info into an XArray"
Six small and reasonably obvious fixes, all in drivers.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Six small and reasonably obvious fixes, all in drivers"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: pm80xx: Set stopped phy's linkrate to Disabled
scsi: pm80xx: Fix 'Unknown' max/min linkrate
scsi: ufs: core: Fix missing clk change notification on host reset
scsi: ufs: core: Drop loglevel of WriteBoost message
scsi: megaraid: Clear READ queue map's nr_queues
scsi: target: Fix WRITE_SAME No Data Buffer crash
Here are some small USB driver fixes and new device ids for 5.19-rc7.
They include:
- new usb-serial driver ids
- typec uevent fix
- uvc gadget driver fix
- dwc3 driver fixes
- ehci-fsl driver fix
Note, I had to merge in 5.19-rc6 into this branch in order to do a clean
merge with the usb-serial fixes tree as they were based on that tag of
yours.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver fixes from Greg KH:
"Here are some small USB driver fixes and new device ids for 5.19-rc7.
They include:
- new usb-serial driver ids
- typec uevent fix
- uvc gadget driver fix
- dwc3 driver fixes
- ehci-fsl driver fix
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: serial: ftdi_sio: add Belimo device ids
drivers/usb/host/ehci-fsl: Fix interrupt setup in host mode.
usb: gadget: uvc: fix changing interface name via configfs
usb: typec: add missing uevent when partner support PD
usb: dwc3-am62: remove unnecesary clk_put()
usb: dwc3: gadget: Fix event pending check
Here are some TTY and Serial driver fixes for 5.19-rc7. They resolve a
number of reported problems including:
- long time bug in pty_write() that has been reported in the
past.
- 8250 driver fixes
- new serial device ids
- vt overlapping data copy bugfix
- other tiny serial driver bugfixes
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty and serial driver fixes from Greg KH:
"Here are some TTY and Serial driver fixes for 5.19-rc7. They resolve a
number of reported problems including:
- longtime bug in pty_write() that has been reported in the past.
- 8250 driver fixes
- new serial device ids
- vt overlapping data copy bugfix
- other tiny serial driver bugfixes
All of these have been in linux-next for a while with no reported
problems"
* tag 'tty-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: use new tty_insert_flip_string_and_push_buffer() in pty_write()
tty: extract tty_flip_buffer_commit() from tty_flip_buffer_push()
serial: 8250: dw: Fix the macro RZN1_UART_xDMACR_8_WORD_BURST
vt: fix memory overlapping when deleting chars in the buffer
serial: mvebu-uart: correctly report configured baudrate value
serial: 8250: Fix PM usage_count for console handover
serial: 8250: fix return error code in serial8250_request_std_resource()
serial: stm32: Clear prev values before setting RTS delays
tty: Add N_CAN327 line discipline ID for ELM327 based CAN driver
serial: 8250: Fix __stop_tx() & DMA Tx restart races
serial: pl011: UPSTAT_AUTORTS requires .throttle/unthrottle
tty: serial: samsung_tty: set dma burst_size to 1
serial: 8250: dw: enable using pdata with ACPI
- Fix building of out-of-tree kernel modules without a pre-built
kernel in case CONFIG_EXPOLINE_EXTERN=y.
- Fix a reference counting error that could prevent unloading of
zcrypt modules.
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Merge tag 's390-5.19-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:
- Fix building of out-of-tree kernel modules without a pre-built kernel
in case CONFIG_EXPOLINE_EXTERN=y.
- Fix a reference counting error that could prevent unloading of zcrypt
modules.
* tag 's390-5.19-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/ap: fix error handling in __verify_queue_reservations()
s390/nospec: remove unneeded header includes
s390/nospec: build expoline.o for modules_prepare target
Fix recent regression in the cpufreq mediatek driver related
to incorrect handling of regulator_get_optional() return
value (AngeloGioacchino Del Regno).
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Merge tag 'pm-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki
"Fix recent regression in the cpufreq mediatek driver related to
incorrect handling of regulator_get_optional() return value
(AngeloGioacchino Del Regno)"
* tag 'pm-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: mediatek: Handle sram regulator probe deferral
Fix more fallout from recent changes of the ACPI CPPC handling on AMD
platforms (Mario Limonciello).
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Merge tag 'acpi-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix more fallout from recent changes of the ACPI CPPC handling on AMD
platforms (Mario Limonciello)"
* tag 'acpi-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: CPPC: Fix enabling CPPC on AMD systems with shared memory
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Merge tag 'printk-for-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk fix from Petr Mladek:
- Make pr_flush() fast when consoles are suspended.
* tag 'printk-for-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk: do not wait for consoles when suspended
Currently the jitter mechanism will require two timer ticks per
iteration, and it requires N iterations per bit. This N is determined
with a small measurement, and if it's too big, it won't waste time with
jitter entropy because it'd take too long or not have sufficient entropy
anyway.
With the current max N of 32, there are large timeouts on systems with a
small CONFIG_HZ. Rather than set that maximum to 32, instead choose a
factor of CONFIG_HZ. In this case, 1/30 seems to yield sane values for
different configurations of CONFIG_HZ.
Reported-by: Vladimir Murzin <vladimir.murzin@arm.com>
Fixes: 78c768e619 ("random: vary jitter iterations based on cycle counter speed")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Tested-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
