Add qualifying build option legend [CMA] to kernel boot options
that requirce CMA support to be enabled for them to be usable.
Also capitalize 'CMA' when it is used as an acronym.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Mike Kravetz <mike.kravetz@oracle.com>
Link: https://lore.kernel.org/r/20210125043202.22399-1-rdunlap@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Although it's neat to avoid the suffix for the typical case of a
single PMU, it means systems with multiple CMN instances end up with
inconsistent naming. I think it also breaks perf tool's "uncore alias"
logic if the common instance prefix is also the full name of one.
Avoid any surprises by not trying to be clever and simply numbering
every instance, even when it might technically prove redundant.
Fixes: 0ba64770a2 ("perf: Add Arm CMN-600 PMU driver")
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/649a2281233f193d59240b13ed91b57337c77b32.1611839564.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
The IP block evolved from its rk3288/rk3399 base and the vendor
designates them with a numerical version. rk3399 for example
is designated V10 probably meaning V1.0.
There doesn't seem to be an actual version register we could read that
information from, so allow the match_data to carry that information
for future differentiation.
Also carry that information in the hw_revision field of the media-
controller API, so that userspace also has access to that.
The added versions are:
- V10: at least rk3288 + rk3399
- V11: seemingly unused as of now, but probably appeared in some soc
- V12: at least rk3326 + px30
- V13: at least rk1808
[fix checkpatch warning don't use multiple blank lines]
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Perfmon-v4 counter freezing is fundamentally broken; remove this default
disabled code to make sure nobody uses it.
The feature is called Freeze-on-PMI in the SDM, and if it would do that,
there wouldn't actually be a problem, *however* it does something subtly
different. It globally disables the whole PMU when it raises the PMI,
not when the PMI hits.
This means there's a window between the PMI getting raised and the PMI
actually getting served where we loose events and this violates the
perf counter independence. That is, a counting event should not result
in a different event count when there is a sampling event co-scheduled.
This is known to break existing software (RR).
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Add a module parameter that overrides the SVA feature enabling. This keeps
the driver in legacy mode even when intel_iommu=sm_on is set. In this mode,
the descriptor fields must be programmed with dma_addr_t from the Linux DMA
API for source, destination, and completion descriptors.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/161134110457.4005461.13171197785259115852.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This patch is to create sysfs entry for setting keyboard language
using ASL method. Some thinkpads models like T580 , T590 , T15 Gen 1
etc. has "=", "(',")" numeric keys, which are not displaying correctly,
when keyboard language is other than "english".
This patch fixes this issue by setting keyboard language to ECFW.
Signed-off-by: Nitin Joshi <njoshi1@lenovo.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210125025916.180831-1-nitjoshi@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Due to an extra empty line between the option and its description
it is rendered not like in other places.
Remove the empty lines to fix.
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20210120001824.385168-11-kolyshkin@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
These two places are rendered like a table in the source (rst) code,
but they are seen as plain text by formatters, and thus are joined
together into a single line, e.g.:
> “root” - a partition root “member” - a non-root member of a partition
This is definitely not what was intended.
To fix, use table formatting, like in other places.
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20210120001824.385168-9-kolyshkin@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Due to an extra vertical whitespace, this was not recognised
as a definition list entry, and thus was not rendered like
the rest of cgroupfs files.
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20210120001824.385168-8-kolyshkin@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
- fix a typo (mempry -> memory) in a file name;
- add space before "(" where appropriate.
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20210120001824.385168-7-kolyshkin@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Otherwise a malicious user could (ab)use the "recalculate" feature
that makes dm-integrity calculate the checksums in the background
while the device is already usable. When the system restarts before all
checksums have been calculated, the calculation continues where it was
interrupted even if the recalculate feature is not requested the next
time the dm device is set up.
Disable recalculating if we use internal_hash or journal_hash with a
key (e.g. HMAC) and we don't have the "legacy_recalculate" flag.
This may break activation of a volume, created by an older kernel,
that is not yet fully recalculated -- if this happens, the user should
add the "legacy_recalculate" flag to constructor parameters.
Cc: stable@vger.kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reported-by: Daniel Glockner <dg@emlix.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Update PSI file description in cgroup-v2 docs to reflect the current
implementation.
tj: Changed cpu.pressure from read-only to read-write as suggested by
Johannes.
Signed-off-by: Odin Ugedal <odin@uged.al>
Acked-by: Dan Schatzberg <dschatzberg@fb.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Merge tag 'for-linus-5.11-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- A series to fix a regression when running as a fully virtualized
guest on an old Xen hypervisor not supporting PV interrupt callbacks
for HVM guests.
- A patch to add support to query Xen resource sizes (setting was
possible already) from user mode.
* tag 'for-linus-5.11-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86/xen: Fix xen_hvm_smp_init() when vector callback not available
x86/xen: Don't register Xen IPIs when they aren't going to be used
x86/xen: Add xen_no_vector_callback option to test PCI INTX delivery
xen: Set platform PCI device INTX affinity to CPU0
xen: Fix event channel callback via INTX/GSI
xen/privcmd: allow fetching resource sizes
In some cases it is useful to be able de-authorize devices. For example
if user logs out the userspace can have a policy that disconnects PCIe
devices until logged in again. This is only possible for software based
connection manager as it directly controls the tunnels.
For this reason make the authorized attribute accept writing 0 which
makes the software connection manager to tear down the corresponding
PCIe tunnel. Userspace can check if this is supported by reading a new
domain attribute deauthorization, that holds 1 in that case.
While there correct tb_domain_approve_switch() kernel-doc and
description of authorized attribute to mention that it is only about
PCIe tunnels.
Cc: Christian Kellner <christian@kellner.me>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com>
Define a new critical data builtin policy to allow measuring
early kernel integrity critical data before a custom IMA policy
is loaded.
Update the documentation on kernel parameters to document
the new critical data builtin policy.
Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
It's useful to be able to test non-vector event channel delivery, to make
sure Linux will work properly on older Xen which doesn't have it.
It's also useful for those working on Xen and Xen-compatible hypervisors,
because there are guest kernels still in active use which use PCI INTX
even when vector delivery is available.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20210106153958.584169-4-dwmw2@infradead.org
Signed-off-by: Juergen Gross <jgross@suse.com>
Replace the lkml.org links with lore to better use a single source
that's more likely to stay available long-term.
Done by bash script:
cvt_lkml_to_lore ()
{
tmpfile=$(mktemp ./.cvt_links.XXXXXXX)
header=$(echo $1 | sed 's@/lkml/@/lkml/headers/@')
wget -qO - $header > $tmpfile
if [[ $? == 0 ]] ; then
link=$(grep -i '^Message-Id:' $tmpfile | head -1 | \
sed -r -e 's/^\s*Message-Id:\s*<\s*//' -e 's/\s*>\s*$//' -e 's@^@https://lore.kernel.org/r/@')
# echo "testlink: $link"
if [ -n "$link" ] ; then
wget -qO - $link > /dev/null
if [[ $? == 0 ]] ; then
echo $link
fi
fi
fi
rm -f $tmpfile
}
git grep -P -o "\bhttps?://(?:www.)?lkml.org/lkml[\/\w]+" $@ |
while read line ; do
echo $line
file=$(echo $line | cut -f1 -d':')
link=$(echo $line | cut -f2- -d':')
newlink=$(cvt_lkml_to_lore $link)
if [[ -n "$newlink" ]] ; then
sed -i -e "s#\b$link\b#$newlink#" $file
fi
done
Link: https://lore.kernel.org/patchwork/patch/1265849/#1462688
Signed-off-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/r/77cdb7f32cfb087955bfc3600b86c40bed5d4104.camel@perches.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
"name below" is not part of the /proc path and should not be formatted
in monospace.
"doesn``t" is rendered in HTML with a double backtick. Revert it back to
"doesn't".
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20210101211447.1021412-1-j.neuschaefer@gmx.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit adds kernel boot parameters torture.verbose_sleep_frequency
and torture.verbose_sleep_duration, which allow VERBOSE_TOROUT_*() output
to be throttled with periodic sleeps on large systems.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
The refscale test prints enough per-kthread console output to provoke RCU
CPU stall warnings on large systems. This commit therefore allows this
output to be summarized. For example, the refscale.verbose_batched=32
boot parameter would causes only every 32nd line of output to be logged.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Frederic Weisbecker is adding the ability to change the rcu_nocbs state
of CPUs at runtime, that is, to offload and deoffload their RCU callback
processing without the need to reboot. As the old saying goes, "if it
ain't tested, it don't work", so this commit therefore adds prototype
rcutorture testing for this capability.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Frederic Weisbecker <frederic@kernel.org>
Expedited RCU grace periods send IPIs to all non-idle CPUs, and thus can
disrupt time-critical code in real-time applications. However, there
is a portion of boot-time processing (presumably before any real-time
applications have started) where expedited RCU grace periods are the only
option. And so it is that experience with the -rt patchset indicates that
PREEMPT_RT systems should always set the rcupdate.rcu_normal_after_boot
kernel boot parameter.
This commit therefore makes the post-boot application environment safe
for real-time applications by making PREEMPT_RT systems disable the
rcupdate.rcu_normal_after_boot kernel boot parameter and acting as
if this parameter had been set. This means that post-boot calls to
synchronize_rcu_expedited() will be treated as if they were instead
calls to synchronize_rcu(), thus preventing the IPIs, and thus avoiding
disrupting real-time applications.
Suggested-by: Luiz Capitulino <lcapitulino@redhat.com>
Acked-by: Paul E. McKenney <paulmck@linux.ibm.com>
Signed-off-by: Julia Cartwright <julia@ni.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
[ paulmck: Update kernel-parameters.txt accordingly. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
PREEMPT_RT systems have long used the rcutree.use_softirq kernel
boot parameter to avoid use of RCU_SOFTIRQ handlers, which can disrupt
real-time applications by invoking callbacks during return from interrupts
that arrived while executing time-critical code. This kernel boot
parameter instead runs RCU core processing in an 'rcuc' kthread, thus
allowing the scheduler to do its job of avoiding disrupting time-critical
code.
This commit therefore disables the rcutree.use_softirq kernel boot
parameter on PREEMPT_RT systems, thus forcing such systems to do RCU
core processing in 'rcuc' kthreads. This approach has long been in
use by users of the -rt patchset, and there have been no complaints.
There is therefore no way for the system administrator to override this
choice, at least without modifying and rebuilding the kernel.
Signed-off-by: Scott Wood <swood@redhat.com>
[bigeasy: Reword commit message]
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
[ paulmck: Update kernel-parameters.txt accordingly. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit removes documentation for the rcutree.rcu_idle_lazy_gp_delay
kernel boot parameter given that this parameter no longer exists.
Fixes: 77a40f9703 ("rcu: Remove kfree_rcu() special casing and lazy-callback handling")
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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Merge tag 'docs-5.11-2' of git://git.lwn.net/linux
Pull documentation fixes from Jonathan Corbet:
"A small set of late-arriving, small documentation fixes"
* tag 'docs-5.11-2' of git://git.lwn.net/linux:
docs: admin-guide: Fix default value of max_map_count in sysctl/vm.rst
Documentation/submitting-patches: Document the SoB chain
Documentation: process: Correct numbering
docs: submitting-patches: Trivial - fix grammatical error
- Fix DM verity to skip verity work if IO completes with error while
system is shutting down.
- Add new DM multipath "IO affinity" path selector that maps IO
destined to a given path to a specific CPU based on user provided
mapping.
- Rename DM multipath path selector source files to have "dm-ps"
prefix.
- Add REQ_NOWAIT support to some other simple DM targets that don't
block in more elaborate ways waiting for IO.
- Export DM crypt's kcryptd workqueue via sysfs (WQ_SYSFS).
- Fix error return code in DM's target_message() if empty message is
received.
- A handful of other small cleanups.
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Merge tag 'for-5.11/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mike Snitzer:
- Add DM verity support for signature verification with 2nd keyring
- Fix DM verity to skip verity work if IO completes with error while
system is shutting down
- Add new DM multipath "IO affinity" path selector that maps IO
destined to a given path to a specific CPU based on user provided
mapping
- Rename DM multipath path selector source files to have "dm-ps" prefix
- Add REQ_NOWAIT support to some other simple DM targets that don't
block in more elaborate ways waiting for IO
- Export DM crypt's kcryptd workqueue via sysfs (WQ_SYSFS)
- Fix error return code in DM's target_message() if empty message is
received
- A handful of other small cleanups
* tag 'for-5.11/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm cache: simplify the return expression of load_mapping()
dm ebs: avoid double unlikely() notation when using IS_ERR()
dm verity: skip verity work if I/O error when system is shutting down
dm crypt: export sysfs of kcryptd workqueue
dm ioctl: fix error return code in target_message
dm crypt: Constify static crypt_iv_operations
dm: add support for REQ_NOWAIT to various targets
dm: rename multipath path selector source files to have "dm-ps" prefix
dm mpath: add IO affinity path selector
dm verity: Add support for signature verification with 2nd keyring
dm: remove unnecessary current->bio_list check when submitting split bio
Since the default value of sysctl_max_map_count is defined as
DEFAULT_MAX_MAP_COUNT from mm/util.c
int sysctl_max_map_count __read_mostly = DEFAULT_MAX_MAP_COUNT;
DEFAULT_MAX_MAP_COUNT is defined as 65530 (65535-5) in include/linux/mm.h
#define MAPCOUNT_ELF_CORE_MARGIN (5)
#define DEFAULT_MAX_MAP_COUNT (USHRT_MAX - MAPCOUNT_ELF_CORE_MARGIN)
Signed-off-by: Fengfei Xi <xi.fengfei@h3c.com>
Link: https://lore.kernel.org/r/20201210082134.36957-1-xi.fengfei@h3c.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
perf record:
- Fix memory leak when using '--user-regs=?' to list registers.
aarch64 support:
- Add aarch64 registers to 'perf record's' --user-regs command line option.
aarch64 hw tracing support:
- Decode memory tagging properties.
- Improve ARM's auxtrace support.
- Add support for ARMv8.3-SPE.
perf kvm:
- Add kvm-stat for arm64.
perf stat:
- Add --quiet option.
Cleanups:
- Fixup function names wrt what is in libperf and what is in tools/perf.
Build:
- Allow building without libbpf in older systems.
New kernel features:
- Initial support for data/code page size sample type, more to come.
perf annotate:
- Support MIPS instruction extended support.
perf stack unwinding:
- Fix separate debug info files when using elfutils' libdw's unwinder.
perf vendor events:
- Update Intel's Skylake client events to v50.
- Add JSON metrics for ARM's imx8mm DDR Perf.
- Support printing metric groups for system PMUs.
perf build id:
- Prep work for supporting having the build id provided by the
kernel in PERF_RECORD_MMAP2 metadata events.
perf stat:
- Support regex pattern in --for-each-cgroup.
pipe mode:
- Allow to use stdio functions for pipe mode.
- Support 'perf report's' --header-only for pipe mode.
- Support pipe mode display in 'perf evlist'.
Documentation:
- Update information about CAP_PERFMON.
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.
$ grep "model name" -m1 /proc/cpuinfo
model name: AMD Ryzen 9 3900X 12-Core Processor
# export PERF_TARBALL=http://192.168.86.5/perf/perf-5.10.0.tar.xz
# dm
1 90.64 alpine:3.4 : Ok gcc (Alpine 5.3.0) 5.3.0, clang version 3.8.0 (tags/RELEASE_380/final)
2 95.48 alpine:3.5 : Ok gcc (Alpine 6.2.1) 6.2.1 20160822, clang version 3.8.1 (tags/RELEASE_381/final)
3 90.22 alpine:3.6 : Ok gcc (Alpine 6.3.0) 6.3.0, clang version 4.0.0 (tags/RELEASE_400/final)
4 100.91 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 79.67 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 82.75 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)
7 104.64 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)
8 117.54 alpine:3.11 : Ok gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 9.0.0 (https://git.alpinelinux.org/aports f7f0d2c2b8bcd6a5843401a9a702029556492689) (based on LLVM 9.0.0)
9 110.74 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)
10 117.83 alpine:edge : Ok gcc (Alpine 10.2.0) 10.2.0, Alpine clang version 10.0.1
11 68.46 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 83.96 alt:p9 : Ok x86_64-alt-linux-gcc (GCC) 8.4.1 20200305 (ALT p9 8.4.1-alt0.p9.1), clang version 10.0.0
13 81.86 alt:sisyphus : Ok x86_64-alt-linux-gcc (GCC) 9.3.1 20200518 (ALT Sisyphus 9.3.1-alt1), clang version 10.0.1
14 64.54 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 98.60 amazonlinux:2 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-9), clang version 7.0.1 (Amazon Linux 2 7.0.1-1.amzn2.0.2)
16 21.37 android-ndk:r12b-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
17 22.27 android-ndk:r15c-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
18 26.01 centos:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23)
19 31.91 centos:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44)
20 94.99 centos:8 : Ok gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5), clang version 10.0.1 (Red Hat 10.0.1-1.module_el8.3.0+467+cb298d5b)
21 62.40 clearlinux:latest : Ok gcc (Clear Linux OS for Intel Architecture) 10.2.1 20201210 releases/gcc-10.2.0-621-g027d3288de, clang version 10.0.1
22 75.84 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 77.93 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 74.34 debian:10 : Ok gcc (Debian 8.3.0-6) 8.3.0, clang version 7.0.1-8+deb10u2 (tags/RELEASE_701/final)
25 90.42 debian:experimental : Ok gcc (Debian 10.2.0-17) 10.2.0, Debian clang version 11.0.0-5
26 29.76 debian:experimental-x-mips64 : Ok mips64-linux-gnuabi64-gcc (Debian 9.3.0-8) 9.3.0
27 30.53 fedora:20 : Ok gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
28 30.46 fedora:22 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.5.0 (tags/RELEASE_350/final)
29 69.07 fedora:23 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.7.0 (tags/RELEASE_370/final)
30 80.04 fedora:24 : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1), clang version 3.8.1 (tags/RELEASE_381/final)
31 24.97 fedora:24-x-ARC-uClibc : Ok arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
32 82.35 fedora:25 : Ok gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1), clang version 3.9.1 (tags/RELEASE_391/final)
33 93.70 fedora:26 : Ok gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2), clang version 4.0.1 (tags/RELEASE_401/final)
34 94.23 fedora:27 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 5.0.2 (tags/RELEASE_502/final)
35 105.40 fedora:28 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 6.0.1 (tags/RELEASE_601/final)
36 110.12 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)
37 115.10 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)
38 25.07 fedora:30-x-ARC-uClibc : Ok arc-linux-gcc (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
39 114.17 fedora:31 : Ok gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 9.0.1 (Fedora 9.0.1-4.fc31)
40 97.00 fedora:32 : Ok gcc (GCC) 10.2.1 20201016 (Red Hat 10.2.1-6), clang version 10.0.1 (Fedora 10.0.1-3.fc32)
41 96.30 fedora:33 : Ok gcc (GCC) 10.2.1 20201005 (Red Hat 10.2.1-5), clang version 11.0.0 (Fedora 11.0.0-1.fc33)
42 96.70 fedora:rawhide : Ok gcc (GCC) 11.0.0 20201204 (Red Hat 11.0.0-0), clang version 11.0.1 (Fedora 11.0.1-1.rc1.fc34)
43 35.33 gentoo-stage3-amd64:latest : Ok gcc (Gentoo 9.3.0-r1 p3) 9.3.0
44 68.19 mageia:5 : Ok gcc (GCC) 4.9.2, clang version 3.5.2 (tags/RELEASE_352/final)
45 84.59 mageia:6 : Ok gcc (Mageia 5.5.0-1.mga6) 5.5.0, clang version 3.9.1 (tags/RELEASE_391/final)
46 100.44 manjaro:latest : Ok gcc (GCC) 10.2.0, clang version 10.0.1
47 223.64 openmandriva:cooker : Ok gcc (GCC) 10.2.0 20200723 (OpenMandriva), OpenMandriva 11.0.0-1 clang version 11.0.0 (/builddir/build/BUILD/llvm-project-llvmorg-11.0.0/clang 63e22714ac938c6b537bd958f70680d3331a2030)
48 117.94 opensuse:15.0 : Ok gcc (SUSE Linux) 7.4.1 20190905 [gcc-7-branch revision 275407], clang version 5.0.1 (tags/RELEASE_501/final 312548)
49 123.97 opensuse:15.1 : Ok gcc (SUSE Linux) 7.5.0, clang version 7.0.1 (tags/RELEASE_701/final 349238)
50 114.14 opensuse:15.2 : Ok gcc (SUSE Linux) 7.5.0, clang version 9.0.1
51 111.44 opensuse:42.3 : Ok gcc (SUSE Linux) 4.8.5, clang version 3.8.0 (tags/RELEASE_380/final 262553)
52 107.98 opensuse:tumbleweed : Ok gcc (SUSE Linux) 10.2.1 20200825 [revision c0746a1beb1ba073c7981eb09f55b3d993b32e5c], clang version 10.0.1
53 26.94 oraclelinux:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
54 32.21 oraclelinux:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44.0.3)
55 115.15 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)
56 27.38 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)
57 30.46 ubuntu:14.04 : Ok gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
58 77.46 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)
59 26.74 ubuntu:16.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
60 25.90 ubuntu:16.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
61 25.66 ubuntu:16.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
62 26.15 ubuntu:16.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
63 25.84 ubuntu:16.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
64 25.60 ubuntu:16.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
65 88.96 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)
66 27.93 ubuntu:18.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
67 27.98 ubuntu:18.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
68 22.94 ubuntu:18.04-x-m68k : Ok m68k-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
69 27.28 ubuntu:18.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
70 29.15 ubuntu:18.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
71 29.00 ubuntu:18.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
72 162.20 ubuntu:18.04-x-riscv64 : Ok riscv64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
73 24.99 ubuntu:18.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
74 28.56 ubuntu:18.04-x-sh4 : Ok sh4-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
75 25.07 ubuntu:18.04-x-sparc64 : Ok sparc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
76 70.51 ubuntu:19.10 : Ok gcc (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008, clang version 8.0.1-3build1 (tags/RELEASE_801/final)
77 28.24 ubuntu:19.10-x-alpha : Ok alpha-linux-gnu-gcc (Ubuntu 9.2.1-9ubuntu1) 9.2.1 20191008
78 24.84 ubuntu:19.10-x-hppa : Ok hppa-linux-gnu-gcc (Ubuntu 9.2.1-9ubuntu1) 9.2.1 20191008
79 74.70 ubuntu:20.04 : Ok gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0, clang version 10.0.0-4ubuntu1
80 30.69 ubuntu:20.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 10.2.0-5ubuntu1~20.04) 10.2.0
81 75.15 ubuntu:20.10 : Ok gcc (Ubuntu 10.2.0-13ubuntu1) 10.2.0, Ubuntu clang version 11.0.0-2
#
# uname -a
Linux quaco 5.9.11-100.fc32.x86_64 #1 SMP Tue Nov 24 19:16:53 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
# git log --oneline -1
2e7f545096 perf mem: Factor out a function to generate sort order
# perf version --build-options
perf version 5.10.g2e7f545096f9
dwarf: [ on ] # HAVE_DWARF_SUPPORT
dwarf_getlocations: [ on ] # HAVE_DWARF_GETLOCATIONS_SUPPORT
glibc: [ on ] # HAVE_GLIBC_SUPPORT
syscall_table: [ on ] # HAVE_SYSCALL_TABLE_SUPPORT
libbfd: [ on ] # HAVE_LIBBFD_SUPPORT
libelf: [ on ] # HAVE_LIBELF_SUPPORT
libnuma: [ on ] # HAVE_LIBNUMA_SUPPORT
numa_num_possible_cpus: [ on ] # HAVE_LIBNUMA_SUPPORT
libperl: [ on ] # HAVE_LIBPERL_SUPPORT
libpython: [ on ] # HAVE_LIBPYTHON_SUPPORT
libslang: [ on ] # HAVE_SLANG_SUPPORT
libcrypto: [ on ] # HAVE_LIBCRYPTO_SUPPORT
libunwind: [ on ] # HAVE_LIBUNWIND_SUPPORT
libdw-dwarf-unwind: [ on ] # HAVE_DWARF_SUPPORT
zlib: [ on ] # HAVE_ZLIB_SUPPORT
lzma: [ on ] # HAVE_LZMA_SUPPORT
get_cpuid: [ on ] # HAVE_AUXTRACE_SUPPORT
bpf: [ on ] # HAVE_LIBBPF_SUPPORT
aio: [ on ] # HAVE_AIO_SUPPORT
zstd: [ on ] # HAVE_ZSTD_SUPPORT
libpfm4: [ OFF ] # HAVE_LIBPFM
# perf test
1: vmlinux symtab matches kallsyms : Ok
2: Detect openat syscall event : Ok
3: Detect openat syscall event on all cpus : Ok
4: Read samples using the mmap interface : Ok
5: Test data source output : Ok
6: Parse event definition strings : Ok
7: Simple expression parser : Ok
8: PERF_RECORD_* events & perf_sample fields : Ok
9: Parse perf pmu format : Ok
10: PMU events :
10.1: PMU event table sanity : Ok
10.2: PMU event map aliases : Ok
10.3: Parsing of PMU event table metrics : Ok
10.4: Parsing of PMU event table metrics with fake PMUs : Ok
11: DSO data read : Ok
12: DSO data cache : Ok
13: DSO data reopen : Ok
14: Roundtrip evsel->name : Ok
15: Parse sched tracepoints fields : Ok
16: syscalls:sys_enter_openat event fields : Ok
17: Setup struct perf_event_attr : Ok
18: Match and link multiple hists : Ok
19: 'import perf' in python : Ok
20: Breakpoint overflow signal handler : Ok
21: Breakpoint overflow sampling : Ok
22: Breakpoint accounting : Ok
23: Watchpoint :
23.1: Read Only Watchpoint : Skip (missing hardware support)
23.2: Write Only Watchpoint : Ok
23.3: Read / Write Watchpoint : Ok
23.4: Modify Watchpoint : Ok
24: Number of exit events of a simple workload : Ok
25: Software clock events period values : Ok
26: Object code reading : Ok
27: Sample parsing : Ok
28: Use a dummy software event to keep tracking : Ok
29: Parse with no sample_id_all bit set : Ok
30: Filter hist entries : Ok
31: Lookup mmap thread : Ok
32: Share thread maps : Ok
33: Sort output of hist entries : Ok
34: Cumulate child hist entries : Ok
35: Track with sched_switch : Ok
36: Filter fds with revents mask in a fdarray : Ok
37: Add fd to a fdarray, making it autogrow : Ok
38: kmod_path__parse : Ok
39: Thread map : Ok
40: LLVM search and compile :
40.1: Basic BPF llvm compile : Ok
40.2: kbuild searching : Ok
40.3: Compile source for BPF prologue generation : Ok
40.4: Compile source for BPF relocation : Ok
41: Session topology : Ok
42: BPF filter :
42.1: Basic BPF filtering : Ok
42.2: BPF pinning : Ok
42.3: BPF prologue generation : Ok
42.4: BPF relocation checker : Ok
43: Synthesize thread map : Ok
44: Remove thread map : Ok
45: Synthesize cpu map : Ok
46: Synthesize stat config : Ok
47: Synthesize stat : Ok
48: Synthesize stat round : Ok
49: Synthesize attr update : Ok
50: Event times : Ok
51: Read backward ring buffer : Ok
52: Print cpu map : Ok
53: Merge cpu map : Ok
54: Probe SDT events : Ok
55: is_printable_array : Ok
56: Print bitmap : Ok
57: perf hooks : Ok
58: builtin clang support : Skip (not compiled in)
59: unit_number__scnprintf : Ok
60: mem2node : Ok
61: time utils : Ok
62: Test jit_write_elf : Ok
63: Test libpfm4 support : Skip (not compiled in)
64: Test api io : Ok
65: maps__merge_in : Ok
66: Demangle Java : Ok
67: Parse and process metrics : Ok
68: PE file support : Ok
69: Event expansion for cgroups : Ok
70: Convert perf time to TSC : Ok
71: x86 rdpmc : Ok
72: DWARF unwind : Ok
73: x86 instruction decoder - new instructions : Ok
74: Intel PT packet decoder : Ok
75: x86 bp modify : Ok
76: probe libc's inet_pton & backtrace it with ping : Ok
77: Use vfs_getname probe to get syscall args filenames : Ok
78: Check Arm CoreSight trace data recording and synthesized samples: Skip
79: perf stat metrics (shadow stat) test : Ok
80: build id cache operations : Ok
81: Add vfs_getname probe to get syscall args filenames : Ok
82: Check open filename arg using perf trace + vfs_getname : Ok
83: Zstd perf.data compression/decompression : Ok
#
$ make -C tools/perf build-test
make: Entering directory '/home/acme/git/perf/tools/perf'
- tarpkg: ./tests/perf-targz-src-pkg .
make_no_libbpf_O: make NO_LIBBPF=1
make_no_demangle_O: make NO_DEMANGLE=1
make_doc_O: make doc
make_no_libpython_O: make NO_LIBPYTHON=1
make_install_bin_O: make install-bin
make_no_libnuma_O: make NO_LIBNUMA=1
make_install_O: make install
make_with_clangllvm_O: make LIBCLANGLLVM=1
make_debug_O: make DEBUG=1
make_pure_O: make
make_install_prefix_O: make install prefix=/tmp/krava
make_no_libunwind_O: make NO_LIBUNWIND=1
make_no_newt_O: make NO_NEWT=1
make_tags_O: make tags
make_with_libpfm4_O: make LIBPFM4=1
make_no_auxtrace_O: make NO_AUXTRACE=1
make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
make_clean_all_O: make clean all
make_with_babeltrace_O: make LIBBABELTRACE=1
make_no_libaudit_O: make NO_LIBAUDIT=1
make_no_libbionic_O: make NO_LIBBIONIC=1
make_no_backtrace_O: make NO_BACKTRACE=1
make_static_O: make LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1
make_with_gtk2_O: make GTK2=1
make_no_libelf_O: make NO_LIBELF=1
make_no_libbpf_DEBUG_O: make NO_LIBBPF=1 DEBUG=1
make_no_libperl_O: make NO_LIBPERL=1
make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
make_help_O: make help
make_perf_o_O: make perf.o
make_util_pmu_bison_o_O: make util/pmu-bison.o
make_util_map_o_O: make util/map.o
make_minimal_O: make NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 NO_LIBCRYPTO=1 NO_SDT=1 NO_JVMTI=1 NO_LIBZSTD=1 NO_LIBCAP=1 NO_SYSCALL_TABLE=1
make_no_libcrypto_O: make NO_LIBCRYPTO=1
make_no_gtk2_O: make NO_GTK2=1
make_no_slang_O: make NO_SLANG=1
make_no_sdt_O: make NO_SDT=1
make_install_prefix_slash_O: make install prefix=/tmp/krava/
make_no_syscall_tbl_O: make NO_SYSCALL_TABLE=1
OK
make: Leaving directory '/home/acme/git/perf/tools/perf'
$
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Merge tag 'perf-tools-2020-12-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools updates from Arnaldo Carvalho de Melo:
"perf record:
- Fix memory leak when using '--user-regs=?' to list registers
aarch64 support:
- Add aarch64 registers to 'perf record's' --user-regs command line
option
aarch64 hw tracing support:
- Decode memory tagging properties
- Improve ARM's auxtrace support
- Add support for ARMv8.3-SPE
perf kvm:
- Add kvm-stat for arm64
perf stat:
- Add --quiet option
Cleanups:
- Fixup function names wrt what is in libperf and what is in
tools/perf
Build:
- Allow building without libbpf in older systems
New kernel features:
- Initial support for data/code page size sample type, more to come
perf annotate:
- Support MIPS instruction extended support
perf stack unwinding:
- Fix separate debug info files when using elfutils' libdw's unwinder
perf vendor events:
- Update Intel's Skylake client events to v50
- Add JSON metrics for ARM's imx8mm DDR Perf
- Support printing metric groups for system PMUs
perf build id:
- Prep work for supporting having the build id provided by the kernel
in PERF_RECORD_MMAP2 metadata events
perf stat:
- Support regex pattern in --for-each-cgroup
pipe mode:
- Allow to use stdio functions for pipe mode
- Support 'perf report's' --header-only for pipe mode
- Support pipe mode display in 'perf evlist'
Documentation:
- Update information about CAP_PERFMON"
* tag 'perf-tools-2020-12-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (134 commits)
perf mem: Factor out a function to generate sort order
perf sort: Add sort option for data page size
perf script: Support data page size
tools headers UAPI: Update asm-generic/unistd.h
tools headers cpufeatures: Sync with the kernel sources
tools headers UAPI: Sync linux/prctl.h with the kernel sources
tools headers UAPI: Sync linux/fscrypt.h with the kernel sources
tools headers UAPI: Sync linux/const.h with the kernel headers
tools arch x86: Sync the msr-index.h copy with the kernel sources
perf trace beauty: Update copy of linux/socket.h with the kernel sources
tools headers: Update linux/ctype.h with the kernel sources
tools headers: Add conditional __has_builtin()
tools headers: Get tools's linux/compiler.h closer to the kernel's
tools headers UAPI: Sync linux/stat.h with the kernel sources
tools headers: Syncronize linux/build_bug.h with the kernel sources
perf tools: Reformat record's control fd man text
perf config: Fix example command in manpage to conform to syntax specified in the SYNOPSIS section.
perf test: Make sample-parsing test aware of PERF_SAMPLE_{CODE,DATA}_PAGE_SIZE
perf tools: Add support to read build id from compressed elf
perf debug: Add debug_set_file function
...
* PSCI relay at EL2 when "protected KVM" is enabled
* New exception injection code
* Simplification of AArch32 system register handling
* Fix PMU accesses when no PMU is enabled
* Expose CSV3 on non-Meltdown hosts
* Cache hierarchy discovery fixes
* PV steal-time cleanups
* Allow function pointers at EL2
* Various host EL2 entry cleanups
* Simplification of the EL2 vector allocation
s390:
* memcg accouting for s390 specific parts of kvm and gmap
* selftest for diag318
* new kvm_stat for when async_pf falls back to sync
x86:
* Tracepoints for the new pagetable code from 5.10
* Catch VFIO and KVM irqfd events before userspace
* Reporting dirty pages to userspace with a ring buffer
* SEV-ES host support
* Nested VMX support for wait-for-SIPI activity state
* New feature flag (AVX512 FP16)
* New system ioctl to report Hyper-V-compatible paravirtualization features
Generic:
* Selftest improvements
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Paolo Bonzini:
"Much x86 work was pushed out to 5.12, but ARM more than made up for it.
ARM:
- PSCI relay at EL2 when "protected KVM" is enabled
- New exception injection code
- Simplification of AArch32 system register handling
- Fix PMU accesses when no PMU is enabled
- Expose CSV3 on non-Meltdown hosts
- Cache hierarchy discovery fixes
- PV steal-time cleanups
- Allow function pointers at EL2
- Various host EL2 entry cleanups
- Simplification of the EL2 vector allocation
s390:
- memcg accouting for s390 specific parts of kvm and gmap
- selftest for diag318
- new kvm_stat for when async_pf falls back to sync
x86:
- Tracepoints for the new pagetable code from 5.10
- Catch VFIO and KVM irqfd events before userspace
- Reporting dirty pages to userspace with a ring buffer
- SEV-ES host support
- Nested VMX support for wait-for-SIPI activity state
- New feature flag (AVX512 FP16)
- New system ioctl to report Hyper-V-compatible paravirtualization features
Generic:
- Selftest improvements"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (171 commits)
KVM: SVM: fix 32-bit compilation
KVM: SVM: Add AP_JUMP_TABLE support in prep for AP booting
KVM: SVM: Provide support to launch and run an SEV-ES guest
KVM: SVM: Provide an updated VMRUN invocation for SEV-ES guests
KVM: SVM: Provide support for SEV-ES vCPU loading
KVM: SVM: Provide support for SEV-ES vCPU creation/loading
KVM: SVM: Update ASID allocation to support SEV-ES guests
KVM: SVM: Set the encryption mask for the SVM host save area
KVM: SVM: Add NMI support for an SEV-ES guest
KVM: SVM: Guest FPU state save/restore not needed for SEV-ES guest
KVM: SVM: Do not report support for SMM for an SEV-ES guest
KVM: x86: Update __get_sregs() / __set_sregs() to support SEV-ES
KVM: SVM: Add support for CR8 write traps for an SEV-ES guest
KVM: SVM: Add support for CR4 write traps for an SEV-ES guest
KVM: SVM: Add support for CR0 write traps for an SEV-ES guest
KVM: SVM: Add support for EFER write traps for an SEV-ES guest
KVM: SVM: Support string IO operations for an SEV-ES guest
KVM: SVM: Support MMIO for an SEV-ES guest
KVM: SVM: Create trace events for VMGEXIT MSR protocol processing
KVM: SVM: Create trace events for VMGEXIT processing
...
There are a couple of subsystems maintained by other people that
merge their drivers through the SoC tree, those changes include:
- The SCMI firmware framework gains support for sensor notifications
and for controlling voltage domains.
- A large update for the Tegra memory controller driver, integrating
it better with the interconnect framework
- The memory controller subsystem gains support for Mediatek MT8192
- The reset controller framework gains support for sharing pulsed
resets
For Soc specific drivers in drivers/soc, the main changes are
- The Allwinner/sunxi MBUS gets a rework for the way it handles
dma_map_ops and offsets between physical and dma address spaces.
- An errata fix plus some cleanups for Freescale Layerscape SoCs
- A cleanup for renesas drivers regarding MMIO accesses.
- New SoC specific drivers for Mediatek MT8192 and MT8183 power domains
- New SoC specific drivers for Aspeed AST2600 LPC bus control
and SoC identification.
- Core Power Domain support for Qualcomm MSM8916, MSM8939, SDM660
and SDX55.
- A rework of the TI AM33xx 'genpd' power domain support to use
information from DT instead of platform data
- Support for TI AM64x SoCs
- Allow building some Amlogic drivers as modules instead of built-in
Finally, there are numerous cleanups and smaller bug fixes for
Mediatek, Tegra, Samsung, Qualcomm, TI OMAP, Amlogic, Rockchips,
Renesas, and Xilinx SoCs.
There is a trivial conflict in the cedrus driver, with two branches
adding the same CEDRUS_CAPABILITY_H265_DEC flag, and another trivial
remove/remove conflict in linux/dma-mapping.h.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"There are a couple of subsystems maintained by other people that merge
their drivers through the SoC tree, those changes include:
- The SCMI firmware framework gains support for sensor notifications
and for controlling voltage domains.
- A large update for the Tegra memory controller driver, integrating
it better with the interconnect framework
- The memory controller subsystem gains support for Mediatek MT8192
- The reset controller framework gains support for sharing pulsed
resets
For Soc specific drivers in drivers/soc, the main changes are
- The Allwinner/sunxi MBUS gets a rework for the way it handles
dma_map_ops and offsets between physical and dma address spaces.
- An errata fix plus some cleanups for Freescale Layerscape SoCs
- A cleanup for renesas drivers regarding MMIO accesses.
- New SoC specific drivers for Mediatek MT8192 and MT8183 power
domains
- New SoC specific drivers for Aspeed AST2600 LPC bus control and SoC
identification.
- Core Power Domain support for Qualcomm MSM8916, MSM8939, SDM660 and
SDX55.
- A rework of the TI AM33xx 'genpd' power domain support to use
information from DT instead of platform data
- Support for TI AM64x SoCs
- Allow building some Amlogic drivers as modules instead of built-in
Finally, there are numerous cleanups and smaller bug fixes for
Mediatek, Tegra, Samsung, Qualcomm, TI OMAP, Amlogic, Rockchips,
Renesas, and Xilinx SoCs"
* tag 'arm-soc-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (222 commits)
soc: mediatek: mmsys: Specify HAS_IOMEM dependency for MTK_MMSYS
firmware: xilinx: Properly align function parameter
firmware: xilinx: Add a blank line after function declaration
firmware: xilinx: Remove additional newline
firmware: xilinx: Fix kernel-doc warnings
firmware: xlnx-zynqmp: fix compilation warning
soc: xilinx: vcu: add missing register NUM_CORE
soc: xilinx: vcu: use vcu-settings syscon registers
dt-bindings: soc: xlnx: extract xlnx, vcu-settings to separate binding
soc: xilinx: vcu: drop useless success message
clk: samsung: mark PM functions as __maybe_unused
soc: samsung: exynos-chipid: initialize later - with arch_initcall
soc: samsung: exynos-chipid: order list of SoCs by name
memory: jz4780_nemc: Fix potential NULL dereference in jz4780_nemc_probe()
memory: ti-emif-sram: only build for ARMv7
memory: tegra30: Support interconnect framework
memory: tegra20: Support hardware versioning and clean up OPP table initialization
dt-bindings: memory: tegra20-emc: Document opp-supported-hw property
soc: rockchip: io-domain: Fix error return code in rockchip_iodomain_probe()
reset-controller: ti: force the write operation when assert or deassert
...
- IOVA allocation optimisations and removal of unused code
- Introduction of DOMAIN_ATTR_IO_PGTABLE_CFG for parameterising the
page-table of an IOMMU domain
- Support for changing the default domain type in sysfs
- Optimisation to the way in which identity-mapped regions are created
- Driver updates:
* Arm SMMU updates, including continued work on Shared Virtual Memory
* Tegra SMMU updates, including support for PCI devices
* Intel VT-D updates, including conversion to the IOMMU-DMA API
- Cleanup, kerneldoc and minor refactoring
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Merge tag 'iommu-updates-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull IOMMU updates from Will Deacon:
"There's a good mixture of improvements to the core code and driver
changes across the board.
One thing worth pointing out is that this includes a quirk to work
around behaviour in the i915 driver (see 65f746e828 ("iommu: Add
quirk for Intel graphic devices in map_sg")), which otherwise
interacts badly with the conversion of the intel IOMMU driver over to
the DMA-IOMMU APU but has being fixed properly in the DRM tree.
We'll revert the quirk later this cycle once we've confirmed that
things don't fall apart without it.
Summary:
- IOVA allocation optimisations and removal of unused code
- Introduction of DOMAIN_ATTR_IO_PGTABLE_CFG for parameterising the
page-table of an IOMMU domain
- Support for changing the default domain type in sysfs
- Optimisation to the way in which identity-mapped regions are
created
- Driver updates:
* Arm SMMU updates, including continued work on Shared Virtual
Memory
* Tegra SMMU updates, including support for PCI devices
* Intel VT-D updates, including conversion to the IOMMU-DMA API
- Cleanup, kerneldoc and minor refactoring"
* tag 'iommu-updates-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (50 commits)
iommu/amd: Add sanity check for interrupt remapping table length macros
dma-iommu: remove __iommu_dma_mmap
iommu/io-pgtable: Remove tlb_flush_leaf
iommu: Stop exporting free_iova_mem()
iommu: Stop exporting alloc_iova_mem()
iommu: Delete split_and_remove_iova()
iommu/io-pgtable-arm: Remove unused 'level' parameter from iopte_type() macro
iommu: Defer the early return in arm_(v7s/lpae)_map
iommu: Improve the performance for direct_mapping
iommu: avoid taking iova_rbtree_lock twice
iommu/vt-d: Avoid GFP_ATOMIC where it is not needed
iommu/vt-d: Remove set but not used variable
iommu: return error code when it can't get group
iommu: Fix htmldocs warnings in sysfs-kernel-iommu_groups
iommu: arm-smmu-impl: Add a space before open parenthesis
iommu: arm-smmu-impl: Use table to list QCOM implementations
iommu/arm-smmu: Move non-strict mode to use io_pgtable_domain_attr
iommu/arm-smmu: Add support for pagetable config domain attribute
iommu: Document usage of "/sys/kernel/iommu_groups/<grp_id>/type" file
iommu: Take lock before reading iommu group default domain type
...
- Clean up unused but exposed API (Christoph Hellwig)
- Provide KCONFIG for default size of kmsg buffer (Vasile-Laurentiu Stanimir)
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Merge tag 'pstore-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore updates from Kees Cook:
- Clean up unused but exposed API (Christoph Hellwig)
- Provide KCONFIG for default size of kmsg buffer (Vasile-Laurentiu
Stanimir)
* tag 'pstore-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
pstore: Move kmsg_bytes default into Kconfig
pstore/blk: remove {un,}register_pstore_blk
pstore/blk: update the command line example
pstore/zone: cap the maximum device size
The offset of the field 'init_uts_ns.name' has changed since commit
9a56493f69 ("uts: Use generic ns_common::count").
Make the offset of the field 'uts_namespace.name' available in VMCOREINFO
because tools like 'crash-utility' and 'makedumpfile' must be able to read
it from crash dumps.
Link: https://lore.kernel.org/r/159644978167.604812.1773586504374412107.stgit@localhost.localdomain
Link: https://lkml.kernel.org/r/20200930102328.396488-1-egorenar@linux.ibm.com
Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Acked-by: lijiang <lijiang@redhat.com>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: "Eric W . Biederman" <ebiederm@xmission.com>
Cc: Kirill Tkhai <ktkhai@virtuozzo.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Merge more updates from Andrew Morton:
"More MM work: a memcg scalability improvememt"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm/lru: revise the comments of lru_lock
mm/lru: introduce relock_page_lruvec()
mm/lru: replace pgdat lru_lock with lruvec lock
mm/swap.c: serialize memcg changes in pagevec_lru_move_fn
mm/compaction: do page isolation first in compaction
mm/lru: introduce TestClearPageLRU()
mm/mlock: remove __munlock_isolate_lru_page()
mm/mlock: remove lru_lock on TestClearPageMlocked
mm/vmscan: remove lruvec reget in move_pages_to_lru
mm/lru: move lock into lru_note_cost
mm/swap.c: fold vm event PGROTATED into pagevec_move_tail_fn
mm/memcg: add debug checking in lock_page_memcg
mm: page_idle_get_page() does not need lru_lock
mm/rmap: stop store reordering issue on page->mapping
mm/vmscan: remove unnecessary lruvec adding
mm/thp: narrow lru locking
mm/thp: simplify lru_add_page_tail()
mm/thp: use head for head page in lru_add_page_tail()
mm/thp: move lru_add_page_tail() to huge_memory.c
Since we changed the pgdat->lru_lock to lruvec->lru_lock, it's time to fix
the incorrect comments in code. Also fixed some zone->lru_lock comment
error from ancient time. etc.
I struggled to understand the comment above move_pages_to_lru() (surely
it never calls page_referenced()), and eventually realized that most of
it had got separated from shrink_active_list(): move that comment back.
Link: https://lkml.kernel.org/r/1604566549-62481-20-git-send-email-alex.shi@linux.alibaba.com
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Tejun Heo <tj@kernel.org>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Jann Horn <jannh@google.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Alexander Duyck <alexander.duyck@gmail.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Chen, Rong A" <rong.a.chen@intel.com>
Cc: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mika Penttilä <mika.penttila@nextfour.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Yang Shi <yang.shi@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here is the big char/misc driver update for 5.11-rc1.
Continuing the tradition of previous -rc1 pulls, there seems to be more
and more tiny driver subsystems flowing through this tree.
Lots of different things, all of which have been in linux-next for a
while with no reported issues:
- extcon driver updates
- habannalab driver updates
- mei driver updates
- uio driver updates
- binder fixes and features added
- soundwire driver updates
- mhi bus driver updates
- phy driver updates
- coresight driver updates
- fpga driver updates
- speakup driver updates
- slimbus driver updates
- various small char and misc driver updates
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc driver updates from Greg KH:
"Here is the big char/misc driver update for 5.11-rc1.
Continuing the tradition of previous -rc1 pulls, there seems to be
more and more tiny driver subsystems flowing through this tree.
Lots of different things, all of which have been in linux-next for a
while with no reported issues:
- extcon driver updates
- habannalab driver updates
- mei driver updates
- uio driver updates
- binder fixes and features added
- soundwire driver updates
- mhi bus driver updates
- phy driver updates
- coresight driver updates
- fpga driver updates
- speakup driver updates
- slimbus driver updates
- various small char and misc driver updates"
* tag 'char-misc-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (305 commits)
extcon: max77693: Fix modalias string
extcon: fsa9480: Support TI TSU6111 variant
extcon: fsa9480: Rewrite bindings in YAML and extend
dt-bindings: extcon: add binding for TUSB320
extcon: Add driver for TI TUSB320
slimbus: qcom: fix potential NULL dereference in qcom_slim_prg_slew()
siox: Make remove callback return void
siox: Use bus_type functions for probe, remove and shutdown
spmi: Add driver shutdown support
spmi: fix some coding style issues at the spmi core
spmi: get rid of a warning when built with W=1
uio: uio_hv_generic: use devm_kzalloc() for private data alloc
uio: uio_fsl_elbc_gpcm: use device-managed allocators
uio: uio_aec: use devm_kzalloc() for uio_info object
uio: uio_cif: use devm_kzalloc() for uio_info object
uio: uio_netx: use devm_kzalloc() for or uio_info object
uio: uio_mf624: use devm_kzalloc() for uio_info object
uio: uio_sercos3: use device-managed functions for simple allocs
uio: uio_dmem_genirq: finalize conversion of probe to devm_ handlers
uio: uio_dmem_genirq: convert simple allocations to device-managed
...
Here is the big USB and thunderbolt pull request for 5.11-rc1.
Nothing major in here, just the grind of constant development to support
new hardware and fix old issues:
- thunderbolt updates for new USB4 hardware
- cdns3 major driver updates
- lots of typec updates and additions as more hardware is available
- usb serial driver updates and fixes
- other tiny USB driver updates
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big USB and thunderbolt pull request for 5.11-rc1.
Nothing major in here, just the grind of constant development to
support new hardware and fix old issues:
- thunderbolt updates for new USB4 hardware
- cdns3 major driver updates
- lots of typec updates and additions as more hardware is available
- usb serial driver updates and fixes
- other tiny USB driver updates
All have been in linux-next with no reported issues"
* tag 'usb-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (172 commits)
usb: phy: convert comma to semicolon
usb: ucsi: convert comma to semicolon
usb: typec: tcpm: convert comma to semicolon
usb: typec: tcpm: Update vbus_vsafe0v on init
usb: typec: tcpci: Enable bleed discharge when auto discharge is enabled
usb: typec: Add class for plug alt mode device
USB: typec: tcpci: Add Bleed discharge to POWER_CONTROL definition
USB: typec: tcpm: Add a 30ms room for tPSSourceOn in PR_SWAP
USB: typec: tcpm: Fix PR_SWAP error handling
USB: typec: tcpm: Hard Reset after not receiving a Request
USB: gadget: f_fs: remove likely/unlikely
usb: gadget: f_fs: Re-use SS descriptors for SuperSpeedPlus
USB: gadget: f_midi: setup SuperSpeed Plus descriptors
USB: gadget: f_acm: add support for SuperSpeed Plus
USB: gadget: f_rndis: fix bitrate for SuperSpeed and above
usb: typec: intel_pmc_mux: Configure cable generation value for USB4
MAINTAINERS: Add myself as a reviewer for CADENCE USB3 DRD IP DRIVER
usb: chipidea: ci_hdrc_imx: Use of_device_get_match_data()
usb: chipidea: usbmisc_imx: Use of_device_get_match_data()
usb: cdns3: fix NULL pointer dereference on no platform data
...
