Add a DT node for Last level cache (aka. system cache) controller
which provides control over the last level cache present on QDU1000
and QRU1000 SoCs.
Signed-off-by: Komal Bajaj <quic_kbajaj@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230313125731.17745-1-quic_kbajaj@quicinc.com
The PMIC regulators are not supposed to have unit addresses.
Fixes: 2317b87a2a ("arm64: dts: qcom: db820c: Add vdd_gfx and tie it into mmcc")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230312183622.460488-8-krzysztof.kozlowski@linaro.org
The PMIC regulators are not supposed to have unit addresses.
Fixes: 60b214effb ("arm64: dts: qcom: msm8994-octagon: Configure regulators")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230312183622.460488-7-krzysztof.kozlowski@linaro.org
The PMIC regulators are not supposed to have unit addresses.
Fixes: e9783584c9 ("arm64: dts: qcom: msm8994-kitakami: Add VDD_GFX regulator")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230312183622.460488-6-krzysztof.kozlowski@linaro.org
This reverts commit 46546f2882 because it
mistakenly took PMIC pinctrl/GPIO as TLMM. The TLMM pinctrl uses "gpio"
function, but PMIC uses "normal", so original code was correct:
msm8998-oneplus-cheeseburger.dtb: pmic@2: gpio@c000:button-backlight-state: 'oneOf' conditional failed, one must be fixed:
'gpio' is not one of ['normal', 'paired', 'func1', 'func2', 'dtest1', 'dtest2', 'dtest3', 'dtest4', 'func3', 'func4']
Fixes: 46546f2882 ("arm64: dts: qcom: msm8998-oneplus-cheeseburger: fix backlight pin function")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230312183622.460488-5-krzysztof.kozlowski@linaro.org
The hid-over-i2c takes VDD, not VCC supply. Fix copy-pasta from other
boards which use elan,ekth3000 with valid VCC:
sc7180-trogdor-pazquel360-lte.dtb: trackpad@15: 'vcc-supply' does not match any of the regexes: 'pinctrl-[0-9]+'
Fixes: fb69f6adaf ("arm64: dts: qcom: sc7180: Add pazquel dts files")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230312183622.460488-4-krzysztof.kozlowski@linaro.org
The hid-over-i2c takes VDD, not VCC supply. Fix copy-pasta from other
boards which use elan,ekth3000 with valid VCC:
sc7180-trogdor-lazor-limozeen-nots-r4.dtb: trackpad@2c: 'vcc-supply' does not match any of the regexes: 'pinctrl-[0-9]+'
Fixes: 2c26adb8db ("arm64: dts: qcom: Add sc7180-lazor-limozeen skus")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230312183622.460488-3-krzysztof.kozlowski@linaro.org
The hid-over-i2c takes VDD, not VCC supply. Fix copy-pasta from other
Herobrine boards which use elan,ekth3000 with valid VCC:
sc7280-herobrine-villager-r1-lte.dtb: trackpad@2c: 'vcc-supply' does not match any of the regexes: 'pinctrl-[0-9]+'
Fixes: ee2a621160 ("arm64: dts: qcom: sc7280: Add device tree for herobrine villager")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230312183622.460488-2-krzysztof.kozlowski@linaro.org
gpio-key bindings expect children to be named with generic prefix:
sda660-inforce-ifc6560.dtb: gpio-keys: 'volup' does not match any of the regexes: ...
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230312183622.460488-1-krzysztof.kozlowski@linaro.org
This commit adds support for the uz801 v3.0 WiFi/LTE dongle made by
Henan Yiming Technology Co., Ltd. based on MSM8916.
Note: The original firmware does not support 64-bit OS. It is necessary
to flash 64-bit TZ firmware to boot arm64.
Currently supported:
- All CPU cores
- Buttons
- LEDs
- Modem
- SDHC
- USB Device Mode
- UART
Signed-off-by: Yang Xiwen <forbidden405@foxmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/tencent_62395CA0D608DD0078DD3D889F6E4E22BA05@qq.com
Henan Yiming Technology Co., Ltd. was established in 2021. The business
scope of the company includes: communication equipment (excluding radio
control equipment).
Link: https://gw.yimingkeji.net
Signed-off-by: Yang Xiwen <forbidden405@foxmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/tencent_27DD0718C3FD9C5F7D6E2FBA225CAA760405@qq.com
On MSM8916 the wireless connectivity functionality (WiFi/Bluetooth) is
split into the digital part inside the SoC and the analog RF part inside
a supplementary WCN36xx chip. For MSM8916, three different options
exist:
- WCN3620 (WLAN 802.11 b/g/n 2.4 GHz + Bluetooth)
- WCN3660B (WLAN 802.11 a/b/g/n 2.4/5 GHz + Bluetooth)
- WCN3680B (WLAN 802.11ac 2.4/5 GHz + Bluetooth)
Choosing one of these is up to the board vendor. This means that the
compatible belongs into the board-specific DT part so people porting
new boards pay attention to set the correct compatible.
Right now msm8916.dtsi sets "qcom,wcn3620" as default compatible,
which does not work at all for boards that have WCN3660B or WCN3680B.
Remove the default compatible from msm8196.dtsi and move it to the board
DT as follows:
- Boards with only &pronto { status = "okay"; } used the default
"qcom,wcn3620" so far. They now set this explicitly for &wcnss_iris.
- Boards with &pronto { ... iris { compatible = "qcom,wcn3660b"; }};
already had an override that just moves to &wcnss_iris now.
- For msm8916-samsung-a2015-common.dtsi the WCN compatible differs for
boards making use of it (a3u: wcn3620, a5u: wcn3660b, e2015: wcn3620)
so the definitions move to the board-specific DT part.
Since this requires touching all the board DTs, use this as a chance to
name the WCNSS-related labels consistently, so everything is grouped
properly when sorted alphabetically.
No functional change, just clean-up for more clarity & easier porting.
Aside from ordering the generated DTBs are identical.
Signed-off-by: Stephan Gerhold <stephan.gerhold@kernkonzept.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230309091452.1011776-1-stephan.gerhold@kernkonzept.com
Introduce functions to access struct maps. These functions reduce the
number of places reference counting is necessary. While tidying APIs do
some small const-ification, in particlar to unwind_libunwind_ops.
Committer notes:
Fixed up tools/perf/util/unwind-libunwind.c:
- return ops->get_entries(cb, arg, thread, data, max_stack);
+ return ops->get_entries(cb, arg, thread, data, max_stack, best_effort);
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Hao Luo <haoluo@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Miaoqian Lin <linmq006@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Shunsuke Nakamura <nakamura.shun@fujitsu.com>
Cc: Song Liu <song@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yury Norov <yury.norov@gmail.com>
Link: https://lore.kernel.org/r/20230320212248.1175731-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* Hide KVM_CAP_IRQFD_RESAMPLE if XIVE is enabled
s390:
* Fix handling of external interrupts in protected guests
x86:
* Resample the pending state of IOAPIC interrupts when unmasking them
* Fix usage of Hyper-V "enlightened TLB" on AMD
* Small fixes to real mode exceptions
* Suppress pending MMIO write exits if emulator detects exception
Documentation:
* Fix rST syntax
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"PPC:
- Hide KVM_CAP_IRQFD_RESAMPLE if XIVE is enabled
s390:
- Fix handling of external interrupts in protected guests
x86:
- Resample the pending state of IOAPIC interrupts when unmasking them
- Fix usage of Hyper-V "enlightened TLB" on AMD
- Small fixes to real mode exceptions
- Suppress pending MMIO write exits if emulator detects exception
Documentation:
- Fix rST syntax"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
docs: kvm: x86: Fix broken field list
KVM: PPC: Make KVM_CAP_IRQFD_RESAMPLE platform dependent
KVM: s390: pv: fix external interruption loop not always detected
KVM: nVMX: Do not report error code when synthesizing VM-Exit from Real Mode
KVM: x86: Clear "has_error_code", not "error_code", for RM exception injection
KVM: x86: Suppress pending MMIO write exits if emulator detects exception
KVM: x86/ioapic: Resample the pending state of an IRQ when unmasking
KVM: irqfd: Make resampler_list an RCU list
KVM: SVM: Flush Hyper-V TLB when required
Reiserfs sets a security xattr at inode creation time in two stages: first,
it calls reiserfs_security_init() to obtain the xattr from active LSMs;
then, it calls reiserfs_security_write() to actually write that xattr.
Unfortunately, it seems there is a wrong expectation that LSMs provide the
full xattr name in the form 'security.<suffix>'. However, LSMs always
provided just the suffix, causing reiserfs to not write the xattr at all
(if the suffix is shorter than the prefix), or to write an xattr with the
wrong name.
Add a temporary buffer in reiserfs_security_write(), and write to it the
full xattr name, before passing it to reiserfs_xattr_set_handle().
Also replace the name length check with a check that the full xattr name is
not larger than XATTR_NAME_MAX.
Cc: stable@vger.kernel.org # v2.6.x
Fixes: 57fe60df62 ("reiserfs: add atomic addition of selinux attributes during inode creation")
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Initialization must be completed before calling _vdpa_register_device()
since it can connect the device to the vDPA bus, so requests can arrive
after that call.
So for example vdpasim_net_work(), which uses the net->*_stats variables,
can be scheduled before they are initialized.
Let's move _vdpa_register_device() to the end of vdpasim_net_dev_add()
and add a comment to avoid future issues.
Fixes: 0899774cb3 ("vdpa_sim_net: vendor satistics")
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20230329160321.187176-1-sgarzare@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
- Fix a crash and a resource leak in NFSv4 COMPOUND processing
- Fix issues with AUTH_SYS credential handling
- Try again to address an NFS/NFSD/SUNRPC build dependency regression
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Merge tag 'nfsd-6.3-5' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
- Fix a crash and a resource leak in NFSv4 COMPOUND processing
- Fix issues with AUTH_SYS credential handling
- Try again to address an NFS/NFSD/SUNRPC build dependency regression
* tag 'nfsd-6.3-5' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
NFSD: callback request does not use correct credential for AUTH_SYS
NFS: Remove "select RPCSEC_GSS_KRB5
sunrpc: only free unix grouplist after RCU settles
nfsd: call op_release, even when op_func returns an error
NFSD: Avoid calling OPDESC() with ops->opnum == OP_ILLEGAL
VMCB_AVIC_APIC_BAR_MASK is defined twice with the same value in svm.h,
which is meaningless. Delete the duplicate one.
Fixes: 3915035282 ("KVM: x86: SVM: move avic definitions from AMD's spec to svm.h")
Signed-off-by: Xinghui Li <korantli@tencent.com>
Reviewed-by: Like Xu <likexu@tencent.com>
Link: https://lore.kernel.org/r/20230403095200.1391782-1-korantwork@gmail.com
[sean: tweak shortlog]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Merge series from Peter Ujfalusi <peter.ujfalusi@linux.intel.com>:
This series will add support for SOF Linux stack to run without using the DSP.
DSPless mode provides a good tool for verification that the hardware itself
works correctly by taking the DSP use out from the picture.
It can only work with interfaces which supports this mode: Intel HDA at the
moment but with LNL it could be possible to support other audio interfaces.
The main driver for this mode is to be able to test programming sequences,
low-level code and for low-level verification of a platform.
The feature is not targetted for end-users and it will not make the SOF stack
to work on hardware without DSP, but it is giving us a tool to debug and enable
platforms earlier (when for example t he firmware is not mature enough).
Add io_err_io_hints() and set discard limits so that the zero target
advertises support for discards.
The error target will return -EIO for discards.
This is useful when the user combines dm-error with other
discard-supporting targets in the same table; without dm-error
support, discards would be disabled for the whole combined device.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Tested-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Add zero_io_hints() and set discard limits so that the zero target
advertises support for discards.
The zero target will ignore discards.
This is useful when the user combines dm-zero with other
discard-supporting targets in the same table; without dm-zero support,
discards would be disabled for the whole combined device.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Tested-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
In dm_calculate_queue_limits, add call to ->io_hints hook if the
target doesn't provide ->iterate_devices.
This is needed so the "error" and "zero" targets may support
discards. The 2 following commits will add their respective discard
support.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Tested-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
dm-verity signals integrity violations by returning I/O errors
to user space. To identify integrity violations by a controlling
instance, the kernel audit subsystem can be used to emit audit
events to user space. Analogous to dm-integrity, we also use the
dm-audit submodule allowing to emit audit events on verification
failures of metadata and data blocks as well as if max corrupted
errors are reached.
The construction and destruction of verity device mappings are
also relevant for auditing a system. Thus, those events are also
logged as audit events.
Tested by starting a container with the container manager (cmld) of
GyroidOS which uses a dm-verity protected rootfs image root.img mapped
to /dev/mapper/<uuid>-root. One block was manipulated in the
underlying image file and repeated reads of the verity device were
performed again until the max corrupted errors is reached, e.g.:
dd if=/dev/urandom of=root.img bs=512 count=1 seek=1000
for i in range {1..101}; do \
dd if=/dev/mapper/<uuid>-root of=/dev/null bs=4096 \
count=1 skip=1000 \
done
The resulting audit log looks as follows:
type=DM_CTRL msg=audit(1677618791.876:962):
module=verity op=ctr ppid=4876 pid=29102 auid=0 uid=0 gid=0
euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=44
comm="cmld" exe="/usr/sbin/cml/cmld" subj=unconfined
dev=254:3 error_msg='success' res=1
type=DM_EVENT msg=audit(1677619463.786:1074): module=verity
op=verify-data dev=7:0 sector=1000 res=0
...
type=DM_EVENT msg=audit(1677619596.727:1162): module=verity
op=verify-data dev=7:0 sector=1000 res=0
type=DM_EVENT msg=audit(1677619596.731:1163): module=verity
op=max-corrupted-errors dev=254:3 sector=? res=0
Signed-off-by: Michael Weiß <michael.weiss@aisec.fraunhofer.de>
Acked-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Add a missing ":" to fix a broken field list.
Signed-off-by: Takahiro Itazuri <itazur@amazon.com>
Fixes: ba7bb663f5 ("KVM: x86: Provide per VM capability for disabling PMU virtualization")
Message-Id: <20230331093116.99820-1-itazur@amazon.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
There's a bunch of bindings for (mostly l2) cache controllers
scattered to the four winds, move them to a common directory.
I renamed the freescale l2cache.txt file, as while that might make sense
when the parent dir is fsl, it's confusing after the move.
The two Marvell bindings have had a "marvell," prefix added to match
their compatibles.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230330173255.109731-1-conor@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Convert the Amlogic Meson6 SoCs Timer Controller bindings to dt-schema.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20221117-b4-amlogic-bindings-convert-v5-1-63781bed4452@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230322173449.3970718-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com> # Broadcom
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230322173508.3971182-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> # for mediatek,mt6779-keypad.yaml
Link: https://lore.kernel.org/r/20230320234718.2930154-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: Hector Martin <marcan@marcan.st>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Florian Fainelli <f.fainelli@gmail.com> #brcm,bcm7038-wdt.yaml
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230317233643.3969019-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230320233911.2920364-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
struct map is reference counted, having it also be a node in an
red-black tree complicates the reference counting. Switch to having a
map_rb_node which is a red-block tree node but points at the reference
counted struct map. This reference is responsible for a single reference
count.
Committer notes:
Fixed up tools/perf/util/unwind-libunwind-local.c to use map_rb_node as
well.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Hao Luo <haoluo@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Miaoqian Lin <linmq006@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Shunsuke Nakamura <nakamura.shun@fujitsu.com>
Cc: Song Liu <song@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yury Norov <yury.norov@gmail.com>
Link: https://lore.kernel.org/r/20230320212248.1175731-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.
Reviewed-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230327170122.4103518-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/20230327170053.4100949-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230320233928.2920693-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Using a perf map as a list node is only done in symbol. Move the
list_node struct into symbol as a single pointer to the map. This makes
reference count behavior more obvious and easy to check.
Committer notes:
Some changes to reduce the number of lines touched by keeping, for
instance, the 'new_map' variable and setting it to new_node->map, so
that we keep more of the project history in place and keep as much
as possible the value of the 'git blame' tool.
Also use map__zput() when putting a struct members, so that when we free
the container struct we can get use-after-free errors as NULL pointer
derefs sometimes.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Hao Luo <haoluo@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Miaoqian Lin <linmq006@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Shunsuke Nakamura <nakamura.shun@fujitsu.com>
Cc: Song Liu <song@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yury Norov <yury.norov@gmail.com>
Link: https://lore.kernel.org/r/20230320212248.1175731-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Add support for the stackleak feature. Whenever the kernel returns to user
space the kernel stack is filled with a poison value.
Enabling this feature is quite expensive: e.g. after instrumenting the
getpid() system call function to have a 4kb stack the result is an
increased runtime of the system call by a factor of 3.
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
As preparation for the stackleak feature move on_thread_stack() to
processor.h like x86.
Also make it __always_inline, and slightly optimize it by reading
current task's kernel stack pointer from lowcore.
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Allocate early async stack like other early stacks and get rid of
arch_early_irq_init(). This way the async stack is allocated earlier,
and handled like all other stacks.
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
There is no user left of call_on_stack_noreturn() - remove it.
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
s390 is the only architecture which switches from the initial stack to a
later on allocated different stack for the first process.
This is (at least) problematic for the stackleak feature, which instruments
functions to save the current stackpointer within the task structure of the
running process.
The stackleak code compares stack pointers of the current process - and
doesn't expect that the kernel stack of a task can change. Even though the
stackleak feature itself will not cause any harm, the assumption about
kernel stacks being consistent is there, and only s390 doesn't follow that.
Therefore switch back to use init_thread_union, just like all other
architectures.
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Make sure the lowcore kernel stack pointer reflects the kernel stack of the
current task as early as possible, instead of having a NULL pointer there.
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
