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2022-12-01clk: qcom: lpass-sc7280: Fix pm_runtime usageDouglas Anderson1-34/+21
The pm_runtime usage in lpass-sc7280 was broken in quite a few ways. Specifically: 1. At the end of probe it called "put" twice. This is a no-no and will end us up with a negative usage count. Even worse than calling "put" twice, it never called "get" once. Thus after bootup it could be seen that the runtime usage of the devices managed by this driver was -2. 2. In some error cases it manually called pm_runtime_disable() even though it had previously used devm_add_action_or_reset() to set this up to be called automatically. This meant that in these error cases we'd double-call pm_runtime_disable(). 3. It forgot to call undo pm_runtime_use_autosuspend(), which can sometimes have subtle problems (and the docs specifically mention that you need to undo this function). Overall the above seriously calls into question how this driver is working. It seems like a combination of "it doesn't", "by luck", and "because of the weirdness of runtime_pm". Specifically I put a printout to the serial console every time the runtime suspend/resume was called for the two devices created by this driver (I wrapped the pm_clk calls). When I had serial console enabled, I found that the calls got resumed at bootup (when the clk core probed and before our double-put) and then never touched again. That's no good. [ 0.829997] DOUG: my_pm_clk_resume, usage=1 [ 0.835487] DOUG: my_pm_clk_resume, usage=1 When I disabled serial console (speeding up boot), I got a different pattern, which I guess (?) is better: [ 0.089767] DOUG: my_pm_clk_resume, usage=1 [ 0.090507] DOUG: my_pm_clk_resume, usage=1 [ 0.151885] DOUG: my_pm_clk_suspend, usage=-2 [ 0.151914] DOUG: my_pm_clk_suspend, usage=-2 [ 1.825747] DOUG: my_pm_clk_resume, usage=-1 [ 1.825774] DOUG: my_pm_clk_resume, usage=-1 [ 1.888269] DOUG: my_pm_clk_suspend, usage=-2 [ 1.888282] DOUG: my_pm_clk_suspend, usage=-2 These different patterns have to do with the fact that the core PM Runtime code really isn't designed to be robust to negative usage counts and sometimes may happen to stumble upon a behavior that happens to "work". For instance, you can see that __pm_runtime_suspend() will treat any non-zero value (including negative numbers) as if the device is in use. In any case, let's fix the driver to be correct. We'll hold a pm_runtime reference for the whole probe and then drop it (once!) at the end. We'll get rid of manual pm_runtime_disable() calls in the error handling. We'll also switch to devm_pm_runtime_enable(), which magically handles undoing pm_runtime_use_autosuspend() as of commit b4060db9251f ("PM: runtime: Have devm_pm_runtime_enable() handle pm_runtime_dont_use_autosuspend()"). While we're at this, let's also use devm_pm_clk_create() instead of rolling it ourselves. Note that the above changes make it obvious that lpassaudio_create_pm_clks() was doing more than just creating clocks. It was also setting up pm_runtime parameters. Let's rename it. All of these problems were found by code inspection. I started looking at this driver because it was involved in a deadlock that I reported a while ago [1]. Though I bisected the deadlock to commit 1b771839de05 ("clk: qcom: gdsc: enable optional power domain support"), it was never really clear why that patch affected it other than a luck of timing changes. I'll also note that by fixing the timing (as done in this change) we also seem to aboid the deadlock, which is a nice benefit. Also note that some of the fixes here are much the same type of stuff that Dmitry did in commit 72cfc73f4663 ("clk: qcom: use devm_pm_runtime_enable and devm_pm_clk_create"), but I guess lpassaudiocc-sc7280.c didn't exist then. [1] https://lore.kernel.org/r/20220922154354.2486595-1-dianders@chromium.org Fixes: a9dd26639d05 ("clk: qcom: lpass: Add support for LPASS clock controller for SC7280") Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221104064055.1.I00a0e4564a25489e85328ec41636497775627564@changeid
2022-11-15clk: qcom: Add display clock controller driver for SM6375Konrad Dybcio3-0/+620
Add support for the display clock controller found on SM6375. Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221115155808.10899-2-konrad.dybcio@linaro.org
2022-11-15dt-bindings: clock: add QCOM SM6375 display clockKonrad Dybcio2-0/+96
Add device tree bindings for display clock controller for Qualcomm Technology Inc's SM6375 SoC. Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221115155808.10899-1-konrad.dybcio@linaro.org
2022-11-09clk: qcom: Add SC8280XP display clock controllerBjorn Andersson3-0/+3228
The Qualcomm SC8280XP platform has two display clock controller instances, add support for these. Duplication between the two implementations is reduced by reusing any constant data between the two sets of clock data. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com> Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Tested-by: Steev Klimaszewski <steev@kali.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20220926203800.16771-3-quic_bjorande@quicinc.com
2022-11-09dt-bindings: clock: Add Qualcomm SC8280XP display clock bindingsBjorn Andersson2-0/+197
The Qualcomm SC8280XP platform has two display clock controllers, add a binding for these. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20220926203800.16771-2-quic_bjorande@quicinc.com
2022-11-07dt-bindings: clock: qcom: Clean-up titles and descriptionsKrzysztof Kozlowski60-289/+258
Clean the Qualcomm SoCs clock bindings: 1. Drop redundant "bindings" in title. 2. Correct language grammar "<independent clause without verb>, which supports" -> "provides". 3. Use full path to the bindings header, so tools can validate it. 4. Drop quotes where not needed. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> # msm8998 Acked-by: Jeffrey Hugo <quic_jhugo@quicinc.com> # mmcc Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221102163153.55460-2-krzysztof.kozlowski@linaro.org
2022-11-07dt-bindings: clock: qcom,gcc-ipq8074: Use common GCC schemaKrzysztof Kozlowski1-21/+4
Reference common Qualcomm GCC schema to remove common pieces. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221102163153.55460-1-krzysztof.kozlowski@linaro.org
2022-11-07dt-bindings: clocks: qcom,gcc-ipq8074: allow XO and sleep clocksRobert Marko1-0/+10
Allow passing XO and sleep clocks to the IPQ8074 to avoid having to do a global matching by name. Signed-off-by: Robert Marko <robimarko@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221030175703.1103224-2-robimarko@gmail.com
2022-11-07clk: qcom: ipq8074: convert to parent dataRobert Marko1-968/+813
Convert the IPQ8074 GCC driver to use parent data instead of global name matching. Utilize ARRAY_SIZE for num_parents instead of hardcoding the value. Signed-off-by: Robert Marko <robimarko@gmail.com> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221030175703.1103224-1-robimarko@gmail.com
2022-11-07clk: qcom: Add support for QDU1000 and QRU1000 RPMh clocksMelody Olvera1-0/+13
Add support for RMPh clocks for QDU1000 and QRU1000 SoCs. Signed-off-by: Melody Olvera <quic_molvera@quicinc.com> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221026190441.4002212-5-quic_molvera@quicinc.com
2022-11-07dt-bindings: clock: Add RPMHCC for QDU1000 and QRU1000Melody Olvera1-0/+1
Add compatible strings for RPMHCC for QDU1000 and QRU1000. Signed-off-by: Melody Olvera <quic_molvera@quicinc.com> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221026190441.4002212-3-quic_molvera@quicinc.com
2022-11-05clk: qcom: dispcc-sm8250: Disable link_div_clk_src for sm8150Robert Foss1-0/+11
SM8150 does not have any of the link_div_clk_src clocks, so let's disable them for this SoC. Signed-off-by: Robert Foss <robert.foss@linaro.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221102090140.965450-6-robert.foss@linaro.org
2022-11-05clk: qcom: dispcc-sm8250: Add missing EDP clocks for sm8350Robert Foss1-1/+21
SM8350 supports embedded displayport, but the clocks for this were previously not accounted for. Signed-off-by: Robert Foss <robert.foss@linaro.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221102090140.965450-5-robert.foss@linaro.org
2022-11-05dt-bindings: clock: dispcc-sm8250: Add EDP_LINK_DIV_CLK_SRC indexRobert Foss1-0/+1
Add this previously missing index, since it is supported by the SoCs targeted by the dispcc-sm8250 driver. Signed-off-by: Robert Foss <robert.foss@linaro.org> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221102090140.965450-4-robert.foss@linaro.org
2022-11-05clk: qcom: dispcc-sm8250: Add RETAIN_FF_ENABLE flag for mdss_gdscRobert Foss1-1/+1
All SoC supported by this driver supports the RETAIN_FF_ENABLE flag, so it should be enabled here. This feature enables registers to maintain their state after dis/re-enabling the GDSC. Signed-off-by: Robert Foss <robert.foss@linaro.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221102090140.965450-3-robert.foss@linaro.org
2022-11-05clk: qcom: dispcc-sm8250: Disable EDP_GTC for sm8350Robert Foss1-0/+3
SM8350 does not have the EDP_GTC clock, so let's disable it for this SoC. Signed-off-by: Robert Foss <robert.foss@linaro.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221102090140.965450-2-robert.foss@linaro.org
2022-11-05clk: qcom: gcc-sm8250: Use retention mode for USB GDSCsManivannan Sadhasivam1-2/+2
USB controllers on SM8250 doesn't work after coming back from suspend. This can be fixed by keeping the USB GDSCs in retention mode so that hardware can keep them ON and put into rentention mode once the parent domain goes to a low power state. Fixes: 3e5770921a88 ("clk: qcom: gcc: Add global clock controller driver for SM8250") Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221102091320.66007-1-manivannan.sadhasivam@linaro.org
2022-11-05dt-bindings: clock: qcom,audiocc-sm8250: add missing audio clockKrzysztof Kozlowski1-1/+4
The SM8250 DTS uses three clocks as input to LPASS AudioClock Controller (althopugh Linux driver seems not needing it), so document the missing audio voting clock. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221104174656.123979-3-krzysztof.kozlowski@linaro.org
2022-11-05dt-bindings: clock: qcom,aoncc-sm8250: add missing audio clockKrzysztof Kozlowski1-1/+4
The SM8250 DTS uses three clocks as input to LPASS AON Clock Controller (althopugh Linux driver seems not needing it), so document the missing audio voting clock. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221104174656.123979-2-krzysztof.kozlowski@linaro.org
2022-11-05dt-bindings: clock: qcom,aoncc-sm8250: fix compatibleKrzysztof Kozlowski1-2/+2
The SM8250 AON Clock Controller compatible used by Linux driver and DTS is qcom,sm8250-lpass-aoncc. Fixes: 7dbe5a7a3f99 ("dt-bindings: clock: Add support for LPASS Always ON Controller") Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221104174656.123979-1-krzysztof.kozlowski@linaro.org
2022-11-05dt-bindings: clock: qcom,sdm845-lpasscc: convert to dtschemaKrzysztof Kozlowski2-26/+47
Convert Qualcomm SDM845 LPASS clock controller bindings to DT schema. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221104182108.126515-1-krzysztof.kozlowski@linaro.org
2022-11-05dt-bindings: clock: Convert qcom,lcc to DT schemaLuca Weiss2-22/+86
Convert the text bindings for the lcc to yaml format. Doing this showed that clocks and clock-names were not documented, so fix that now. Signed-off-by: Luca Weiss <luca@z3ntu.xyz> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221016143514.612851-1-luca@z3ntu.xyz
2022-11-05clk: qcom: dispcc-sm6350: Add CLK_OPS_PARENT_ENABLE to pixel&byte srcKonrad Dybcio1-2/+2
Add the CLK_OPS_PARENT_ENABLE flag to pixel and byte clk srcs to ensure set_rate can succeed. Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org> Fixes: 837519775f1d ("clk: qcom: Add display clock controller driver for SM6350") Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221010155546.73884-1-konrad.dybcio@somainline.org
2022-11-05clk: qcom: gcc-sm6125: Remove gpll7 from sdcc2_appsMartin Botka1-1/+0
This removes gpll7 clock source from sdcc2_apps as it caused issues on the device during testing Signed-off-by: Martin Botka <martin.botka@somainline.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20221001185431.493440-1-martin.botka@somainline.org
2022-11-05clk: qcom: gcc-ipq806x: use parent_data for the last remaining entryDmitry Baryshkov1-1/+3
Use parent_data for the last remaining entry (pll4). This clock is provided by the lcc device. Fixes: cb02866f9a74 ("clk: qcom: gcc-ipq806x: convert parent_names to parent_data") Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20220927113826.246241-3-dmitry.baryshkov@linaro.org
2022-11-05dt-bindings: clock: qcom,gcc-ipq8064: add pll4 to used clocksDmitry Baryshkov1-2/+7
On IPQ8064 (and related platforms) the GCC uses PLL4 clock provided by the LCC clock controller. Mention this in the bindings. To remain compatible with older bindings, make it optional, as the driver will fallback to getting the `pll4' clock from the system clocks list. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20220927113826.246241-2-dmitry.baryshkov@linaro.org
2022-10-17dt-bindings: clock: split qcom,gcc-sdm660 to the separate fileDmitry Baryshkov2-3/+61
Move schema for the GCC on SDM630/SDM636/SDM660 to a separate file to be able to define device-specific clock properties. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20220929091216.471136-1-dmitry.baryshkov@linaro.org
2022-10-16Linux 6.1-rc1v6.1-rc1Linus Torvalds1-2/+2
2022-10-16Merge tag 'random-6.1-rc1-for-linus' of ↵Linus Torvalds185-421/+378
git://git.kernel.org/pub/scm/linux/kernel/git/crng/random Pull more random number generator updates from Jason Donenfeld: "This time with some large scale treewide cleanups. The intent of this pull is to clean up the way callers fetch random integers. The current rules for doing this right are: - If you want a secure or an insecure random u64, use get_random_u64() - If you want a secure or an insecure random u32, use get_random_u32() The old function prandom_u32() has been deprecated for a while now and is just a wrapper around get_random_u32(). Same for get_random_int(). - If you want a secure or an insecure random u16, use get_random_u16() - If you want a secure or an insecure random u8, use get_random_u8() - If you want secure or insecure random bytes, use get_random_bytes(). The old function prandom_bytes() has been deprecated for a while now and has long been a wrapper around get_random_bytes() - If you want a non-uniform random u32, u16, or u8 bounded by a certain open interval maximum, use prandom_u32_max() I say "non-uniform", because it doesn't do any rejection sampling or divisions. Hence, it stays within the prandom_*() namespace, not the get_random_*() namespace. I'm currently investigating a "uniform" function for 6.2. We'll see what comes of that. By applying these rules uniformly, we get several benefits: - By using prandom_u32_max() with an upper-bound that the compiler can prove at compile-time is ≤65536 or ≤256, internally get_random_u16() or get_random_u8() is used, which wastes fewer batched random bytes, and hence has higher throughput. - By using prandom_u32_max() instead of %, when the upper-bound is not a constant, division is still avoided, because prandom_u32_max() uses a faster multiplication-based trick instead. - By using get_random_u16() or get_random_u8() in cases where the return value is intended to indeed be a u16 or a u8, we waste fewer batched random bytes, and hence have higher throughput. This series was originally done by hand while I was on an airplane without Internet. Later, Kees and I worked on retroactively figuring out what could be done with Coccinelle and what had to be done manually, and then we split things up based on that. So while this touches a lot of files, the actual amount of code that's hand fiddled is comfortably small" * tag 'random-6.1-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random: prandom: remove unused functions treewide: use get_random_bytes() when possible treewide: use get_random_u32() when possible treewide: use get_random_{u8,u16}() when possible, part 2 treewide: use get_random_{u8,u16}() when possible, part 1 treewide: use prandom_u32_max() when possible, part 2 treewide: use prandom_u32_max() when possible, part 1
2022-10-16Merge tag 'perf-tools-for-v6.1-2-2022-10-16' of ↵Linus Torvalds36-71/+1265
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull more perf tools updates from Arnaldo Carvalho de Melo: - Use BPF CO-RE (Compile Once, Run Everywhere) to support old kernels when using bperf (perf BPF based counters) with cgroups. - Support HiSilicon PCIe Performance Monitoring Unit (PMU), that monitors bandwidth, latency, bus utilization and buffer occupancy. Documented in Documentation/admin-guide/perf/hisi-pcie-pmu.rst. - User space tasks can migrate between CPUs, so when tracing selected CPUs, system-wide sideband is still needed, fix it in the setup of Intel PT on hybrid systems. - Fix metricgroups title message in 'perf list', it should state that the metrics groups are to be used with the '-M' option, not '-e'. - Sync the msr-index.h copy with the kernel sources, adding support for using "AMD64_TSC_RATIO" in filter expressions in 'perf trace' as well as decoding it when printing the MSR tracepoint arguments. - Fix program header size and alignment when generating a JIT ELF in 'perf inject'. - Add multiple new Intel PT 'perf test' entries, including a jitdump one. - Fix the 'perf test' entries for 'perf stat' CSV and JSON output when running on PowerPC due to an invalid topology number in that arch. - Fix the 'perf test' for arm_coresight failures on the ARM Juno system. - Fix the 'perf test' attr entry for PERF_FORMAT_LOST, adding this option to the or expression expected in the intercepted perf_event_open() syscall. - Add missing condition flags ('hs', 'lo', 'vc', 'vs') for arm64 in the 'perf annotate' asm parser. - Fix 'perf mem record -C' option processing, it was being chopped up when preparing the underlying 'perf record -e mem-events' and thus being ignored, requiring using '-- -C CPUs' as a workaround. - Improvements and tidy ups for 'perf test' shell infra. - Fix Intel PT information printing segfault in uClibc, where a NULL format was being passed to fprintf. * tag 'perf-tools-for-v6.1-2-2022-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (23 commits) tools arch x86: Sync the msr-index.h copy with the kernel sources perf auxtrace arm64: Add support for parsing HiSilicon PCIe Trace packet perf auxtrace arm64: Add support for HiSilicon PCIe Tune and Trace device driver perf auxtrace arm: Refactor event list iteration in auxtrace_record__init() perf tests stat+json_output: Include sanity check for topology perf tests stat+csv_output: Include sanity check for topology perf intel-pt: Fix system_wide dummy event for hybrid perf intel-pt: Fix segfault in intel_pt_print_info() with uClibc perf test: Fix attr tests for PERF_FORMAT_LOST perf test: test_intel_pt.sh: Add 9 tests perf inject: Fix GEN_ELF_TEXT_OFFSET for jit perf test: test_intel_pt.sh: Add jitdump test perf test: test_intel_pt.sh: Tidy some alignment perf test: test_intel_pt.sh: Print a message when skipping kernel tracing perf test: test_intel_pt.sh: Tidy some perf record options perf test: test_intel_pt.sh: Fix return checking again perf: Skip and warn on unknown format 'configN' attrs perf list: Fix metricgroups title message perf mem: Fix -C option behavior for perf mem record perf annotate: Add missing condition flags for arm64 ...
2022-10-16Merge tag 'kbuild-fixes-v6.1' of ↵Linus Torvalds6-11/+18
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Fix CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y compile error for the combination of Clang >= 14 and GAS <= 2.35. - Drop vmlinux.bz2 from the rpm package as it just annoyingly increased the package size. - Fix modpost error under build environments using musl. - Make *.ll files keep value names for easier debugging - Fix single directory build - Prevent RISC-V from selecting the broken DWARF5 support when Clang and GAS are used together. * tag 'kbuild-fixes-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: lib/Kconfig.debug: Add check for non-constant .{s,u}leb128 support to DWARF5 kbuild: fix single directory build kbuild: add -fno-discard-value-names to cmd_cc_ll_c scripts/clang-tools: Convert clang-tidy args to list modpost: put modpost options before argument kbuild: Stop including vmlinux.bz2 in the rpm's Kconfig.debug: add toolchain checks for DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT Kconfig.debug: simplify the dependency of DEBUG_INFO_DWARF4/5
2022-10-16Merge tag 'clk-for-linus' of ↵Linus Torvalds18-129/+1831
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull more clk updates from Stephen Boyd: "This is the final part of the clk patches for this merge window. The clk rate range series needed another week to fully bake. Maxime fixed the bug that broke clk notifiers and prevented this from being included in the first pull request. He also added a unit test on top to make sure it doesn't break so easily again. The majority of the series fixes up how the clk_set_rate_*() APIs work, particularly around when the rate constraints are dropped and how they move around when reparenting clks. Overall it's a much needed improvement to the clk rate range APIs that used to be pretty broken if you looked sideways. Beyond the core changes there are a few driver fixes for a compilation issue or improper data causing clks to fail to register or have the wrong parents. These are good to get in before the first -rc so that the system actually boots on the affected devices" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (31 commits) clk: tegra: Fix Tegra PWM parent clock clk: at91: fix the build with binutils 2.27 clk: qcom: gcc-msm8660: Drop hardcoded fixed board clocks clk: mediatek: clk-mux: Add .determine_rate() callback clk: tests: Add tests for notifiers clk: Update req_rate on __clk_recalc_rates() clk: tests: Add missing test case for ranges clk: qcom: clk-rcg2: Take clock boundaries into consideration for gfx3d clk: Introduce the clk_hw_get_rate_range function clk: Zero the clk_rate_request structure clk: Stop forwarding clk_rate_requests to the parent clk: Constify clk_has_parent() clk: Introduce clk_core_has_parent() clk: Switch from __clk_determine_rate to clk_core_round_rate_nolock clk: Add our request boundaries in clk_core_init_rate_req clk: Introduce clk_hw_init_rate_request() clk: Move clk_core_init_rate_req() from clk_core_round_rate_nolock() to its caller clk: Change clk_core_init_rate_req prototype clk: Set req_rate on reparenting clk: Take into account uncached clocks in clk_set_rate_range() ...
2022-10-16Merge tag '6.1-rc-smb3-client-fixes-part2' of ↵Linus Torvalds23-726/+922
git://git.samba.org/sfrench/cifs-2.6 Pull more cifs updates from Steve French: - fix a regression in guest mounts to old servers - improvements to directory leasing (caching directory entries safely beyond the root directory) - symlink improvement (reducing roundtrips needed to process symlinks) - an lseek fix (to problem where some dir entries could be skipped) - improved ioctl for returning more detailed information on directory change notifications - clarify multichannel interface query warning - cleanup fix (for better aligning buffers using ALIGN and round_up) - a compounding fix - fix some uninitialized variable bugs found by Coverity and the kernel test robot * tag '6.1-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6: smb3: improve SMB3 change notification support cifs: lease key is uninitialized in two additional functions when smb1 cifs: lease key is uninitialized in smb1 paths smb3: must initialize two ACL struct fields to zero cifs: fix double-fault crash during ntlmssp cifs: fix static checker warning cifs: use ALIGN() and round_up() macros cifs: find and use the dentry for cached non-root directories also cifs: enable caching of directories for which a lease is held cifs: prevent copying past input buffer boundaries cifs: fix uninitialised var in smb2_compound_op() cifs: improve symlink handling for smb2+ smb3: clarify multichannel warning cifs: fix regression in very old smb1 mounts cifs: fix skipping to incorrect offset in emit_cached_dirents
2022-10-16Revert "cpumask: fix checking valid cpu range".Tetsuo Handa1-8/+11
This reverts commit 78e5a3399421 ("cpumask: fix checking valid cpu range"). syzbot is hitting WARN_ON_ONCE(cpu >= nr_cpumask_bits) warning at cpu_max_bits_warn() [1], for commit 78e5a3399421 ("cpumask: fix checking valid cpu range") is broken. Obviously that patch hits WARN_ON_ONCE() when e.g. reading /proc/cpuinfo because passing "cpu + 1" instead of "cpu" will trivially hit cpu == nr_cpumask_bits condition. Although syzbot found this problem in linux-next.git on 2022/09/27 [2], this problem was not fixed immediately. As a result, that patch was sent to linux.git before the patch author recognizes this problem, and syzbot started failing to test changes in linux.git since 2022/10/10 [3]. Andrew Jones proposed a fix for x86 and riscv architectures [4]. But [2] and [5] indicate that affected locations are not limited to arch code. More delay before we find and fix affected locations, less tested kernel (and more difficult to bisect and fix) before release. We should have inspected and fixed basically all cpumask users before applying that patch. We should not crash kernels in order to ask existing cpumask users to update their code, even if limited to CONFIG_DEBUG_PER_CPU_MAPS=y case. Link: https://syzkaller.appspot.com/bug?extid=d0fd2bf0dd6da72496dd [1] Link: https://syzkaller.appspot.com/bug?extid=21da700f3c9f0bc40150 [2] Link: https://syzkaller.appspot.com/bug?extid=51a652e2d24d53e75734 [3] Link: https://lkml.kernel.org/r/20221014155845.1986223-1-ajones@ventanamicro.com [4] Link: https://syzkaller.appspot.com/bug?extid=4d46c43d81c3bd155060 [5] Reported-by: Andrew Jones <ajones@ventanamicro.com> Reported-by: syzbot+d0fd2bf0dd6da72496dd@syzkaller.appspotmail.com Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Yury Norov <yury.norov@gmail.com> Cc: Borislav Petkov <bp@alien8.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-10-17lib/Kconfig.debug: Add check for non-constant .{s,u}leb128 support to DWARF5Nathan Chancellor1-2/+7
When building with a RISC-V kernel with DWARF5 debug info using clang and the GNU assembler, several instances of the following error appear: /tmp/vgettimeofday-48aa35.s:2963: Error: non-constant .uleb128 is not supported Dumping the .s file reveals these .uleb128 directives come from .debug_loc and .debug_ranges: .Ldebug_loc0: .byte 4 # DW_LLE_offset_pair .uleb128 .Lfunc_begin0-.Lfunc_begin0 # starting offset .uleb128 .Ltmp1-.Lfunc_begin0 # ending offset .byte 1 # Loc expr size .byte 90 # DW_OP_reg10 .byte 0 # DW_LLE_end_of_list .Ldebug_ranges0: .byte 4 # DW_RLE_offset_pair .uleb128 .Ltmp6-.Lfunc_begin0 # starting offset .uleb128 .Ltmp27-.Lfunc_begin0 # ending offset .byte 4 # DW_RLE_offset_pair .uleb128 .Ltmp28-.Lfunc_begin0 # starting offset .uleb128 .Ltmp30-.Lfunc_begin0 # ending offset .byte 0 # DW_RLE_end_of_list There is an outstanding binutils issue to support a non-constant operand to .sleb128 and .uleb128 in GAS for RISC-V but there does not appear to be any movement on it, due to concerns over how it would work with linker relaxation. To avoid these build errors, prevent DWARF5 from being selected when using clang and an assembler that does not have support for these symbol deltas, which can be easily checked in Kconfig with as-instr plus the small test program from the dwz test suite from the binutils issue. Link: https://sourceware.org/bugzilla/show_bug.cgi?id=27215 Link: https://github.com/ClangBuiltLinux/linux/issues/1719 Signed-off-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-10-17kbuild: fix single directory buildMasahiro Yamada1-0/+2
Commit f110e5a250e3 ("kbuild: refactor single builds of *.ko") was wrong. KBUILD_MODULES _is_ needed for single builds. Otherwise, "make foo/bar/baz/" does not build module objects at all. Fixes: f110e5a250e3 ("kbuild: refactor single builds of *.ko") Reported-by: David Sterba <dsterba@suse.cz> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: David Sterba <dsterba@suse.com>
2022-10-15Merge tag 'slab-for-6.1-rc1-hotfix' of ↵Linus Torvalds2-19/+19
git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab Pull slab hotfix from Vlastimil Babka: "A single fix for the common-kmalloc series, for warnings on mips and sparc64 reported by Guenter Roeck" * tag 'slab-for-6.1-rc1-hotfix' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab: mm/slab: use kmalloc_node() for off slab freelist_idx_t array allocation
2022-10-15Merge tag 'for-linus' of https://github.com/openrisc/linuxLinus Torvalds2-9/+9
Pull OpenRISC updates from Stafford Horne: "I have relocated to London so not much work from me while I get settled. Still, OpenRISC picked up two patches in this window: - Fix for kernel page table walking from Jann Horn - MAINTAINER entry cleanup from Palmer Dabbelt" * tag 'for-linus' of https://github.com/openrisc/linux: MAINTAINERS: git://github -> https://github.com for openrisc openrisc: Fix pagewalk usage in arch_dma_{clear, set}_uncached
2022-10-15Merge tag 'pci-v6.1-fixes-1' of ↵Linus Torvalds1-61/+1
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull pci fix from Bjorn Helgaas: "Revert the attempt to distribute spare resources to unconfigured hotplug bridges at boot time. This fixed some dock hot-add scenarios, but Jonathan Cameron reported that it broke a topology with a multi-function device where one function was a Switch Upstream Port and the other was an Endpoint" * tag 'pci-v6.1-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: Revert "PCI: Distribute available resources for root buses, too"
2022-10-15mm/slab: use kmalloc_node() for off slab freelist_idx_t array allocationHyeonggon Yoo2-19/+19
After commit d6a71648dbc0 ("mm/slab: kmalloc: pass requests larger than order-1 page to page allocator"), SLAB passes large ( > PAGE_SIZE * 2) requests to buddy like SLUB does. SLAB has been using kmalloc caches to allocate freelist_idx_t array for off slab caches. But after the commit, freelist_size can be bigger than KMALLOC_MAX_CACHE_SIZE. Instead of using pointer to kmalloc cache, use kmalloc_node() and only check if the kmalloc cache is off slab during calculate_slab_order(). If freelist_size > KMALLOC_MAX_CACHE_SIZE, no looping condition happens as it allocates freelist_idx_t array directly from buddy. Link: https://lore.kernel.org/all/20221014205818.GA1428667@roeck-us.net/ Reported-and-tested-by: Guenter Roeck <linux@roeck-us.net> Fixes: d6a71648dbc0 ("mm/slab: kmalloc: pass requests larger than order-1 page to page allocator") Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
2022-10-15MAINTAINERS: git://github -> https://github.com for openriscPalmer Dabbelt1-1/+1
Github deprecated the git:// links about a year ago, so let's move to the https:// URLs instead. Reported-by: Conor Dooley <conor.dooley@microchip.com> Link: https://github.blog/2021-09-01-improving-git-protocol-security-github/ Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> Signed-off-by: Stafford Horne <shorne@gmail.com>
2022-10-15smb3: improve SMB3 change notification supportSteve French6-13/+90
Change notification is a commonly supported feature by most servers, but the current ioctl to request notification when a directory is changed does not return the information about what changed (even though it is returned by the server in the SMB3 change notify response), it simply returns when there is a change. This ioctl improves upon CIFS_IOC_NOTIFY by returning the notify information structure which includes the name of the file(s) that changed and why. See MS-SMB2 2.2.35 for details on the individual filter flags and the file_notify_information structure returned. To use this simply pass in the following (with enough space to fit at least one file_notify_information structure) struct __attribute__((__packed__)) smb3_notify { uint32_t completion_filter; bool watch_tree; uint32_t data_len; uint8_t data[]; } __packed; using CIFS_IOC_NOTIFY_INFO 0xc009cf0b or equivalently _IOWR(CIFS_IOCTL_MAGIC, 11, struct smb3_notify_info) The ioctl will block until the server detects a change to that directory or its subdirectories (if watch_tree is set). Acked-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Acked-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2022-10-15cifs: lease key is uninitialized in two additional functions when smb1Steve French1-2/+2
cifs_open and _cifsFileInfo_put also end up with lease_key uninitialized in smb1 mounts. It is cleaner to set lease key to zero in these places where leases are not supported (smb1 can not return lease keys so the field was uninitialized). Addresses-Coverity: 1514207 ("Uninitialized scalar variable") Addresses-Coverity: 1514331 ("Uninitialized scalar variable") Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Signed-off-by: Steve French <stfrench@microsoft.com>
2022-10-15cifs: lease key is uninitialized in smb1 pathsSteve French1-1/+1
It is cleaner to set lease key to zero in the places where leases are not supported (smb1 can not return lease keys so the field was uninitialized). Addresses-Coverity: 1513994 ("Uninitialized scalar variable") Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Signed-off-by: Steve French <stfrench@microsoft.com>
2022-10-15smb3: must initialize two ACL struct fields to zeroSteve French1-1/+2
Coverity spotted that we were not initalizing Stbz1 and Stbz2 to zero in create_sd_buf. Addresses-Coverity: 1513848 ("Uninitialized scalar variable") Cc: <stable@vger.kernel.org> Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Signed-off-by: Steve French <stfrench@microsoft.com>
2022-10-15cifs: fix double-fault crash during ntlmsspPaulo Alcantara1-7/+9
The crash occurred because we were calling memzero_explicit() on an already freed sess_data::iov[1] (ntlmsspblob) in sess_free_buffer(). Fix this by not calling memzero_explicit() on sess_data::iov[1] as it's already by handled by callers. Fixes: a4e430c8c8ba ("cifs: replace kfree() with kfree_sensitive() for sensitive data") Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de> Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Signed-off-by: Steve French <stfrench@microsoft.com>
2022-10-15tools arch x86: Sync the msr-index.h copy with the kernel sourcesArnaldo Carvalho de Melo1-0/+18
To pick up the changes in: b8d1d163604bd1e6 ("x86/apic: Don't disable x2APIC if locked") ca5b7c0d9621702e ("perf/x86/amd/lbr: Add LbrExtV2 branch record support") Addressing these tools/perf build warnings: diff -u tools/arch/x86/include/asm/msr-index.h arch/x86/include/asm/msr-index.h 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' That makes the beautification scripts to pick some new entries: $ 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 --- before 2022-10-14 18:06:34.294561729 -0300 +++ after 2022-10-14 18:06:41.285744044 -0300 @@ -264,6 +264,7 @@ [0xc0000102 - x86_64_specific_MSRs_offset] = "KERNEL_GS_BASE", [0xc0000103 - x86_64_specific_MSRs_offset] = "TSC_AUX", [0xc0000104 - x86_64_specific_MSRs_offset] = "AMD64_TSC_RATIO", + [0xc000010e - x86_64_specific_MSRs_offset] = "AMD64_LBR_SELECT", [0xc000010f - x86_64_specific_MSRs_offset] = "AMD_DBG_EXTN_CFG", [0xc0000300 - x86_64_specific_MSRs_offset] = "AMD64_PERF_CNTR_GLOBAL_STATUS", [0xc0000301 - x86_64_specific_MSRs_offset] = "AMD64_PERF_CNTR_GLOBAL_CTL", $ Now one can trace systemwide asking to see backtraces to where that MSR is being read/written, see this example with a previous update: # perf trace -e msr:*_msr/max-stack=32/ --filter="msr>=IA32_U_CET && msr<=IA32_INT_SSP_TAB" ^C# If we use -v (verbose mode) we can see what it does behind the scenes: # perf trace -v -e msr:*_msr/max-stack=32/ --filter="msr>=IA32_U_CET && msr<=IA32_INT_SSP_TAB" Using CPUID AuthenticAMD-25-21-0 0x6a0 0x6a8 New filter for msr:read_msr: (msr>=0x6a0 && msr<=0x6a8) && (common_pid != 597499 && common_pid != 3313) 0x6a0 0x6a8 New filter for msr:write_msr: (msr>=0x6a0 && msr<=0x6a8) && (common_pid != 597499 && common_pid != 3313) mmap size 528384B ^C# Example with a frequent msr: # perf trace -v -e msr:*_msr/max-stack=32/ --filter="msr==IA32_SPEC_CTRL" --max-events 2 Using CPUID AuthenticAMD-25-21-0 0x48 New filter for msr:read_msr: (msr==0x48) && (common_pid != 2612129 && common_pid != 3841) 0x48 New filter for msr:write_msr: (msr==0x48) && (common_pid != 2612129 && common_pid != 3841) mmap size 528384B Looking at the vmlinux_path (8 entries long) symsrc__init: build id mismatch for vmlinux. Using /proc/kcore for kernel data Using /proc/kallsyms for symbols 0.000 Timer/2525383 msr:write_msr(msr: IA32_SPEC_CTRL, val: 6) do_trace_write_msr ([kernel.kallsyms]) do_trace_write_msr ([kernel.kallsyms]) __switch_to_xtra ([kernel.kallsyms]) __switch_to ([kernel.kallsyms]) __schedule ([kernel.kallsyms]) schedule ([kernel.kallsyms]) futex_wait_queue_me ([kernel.kallsyms]) futex_wait ([kernel.kallsyms]) do_futex ([kernel.kallsyms]) __x64_sys_futex ([kernel.kallsyms]) do_syscall_64 ([kernel.kallsyms]) entry_SYSCALL_64_after_hwframe ([kernel.kallsyms]) __futex_abstimed_wait_common64 (/usr/lib64/libpthread-2.33.so) 0.030 :0/0 msr:write_msr(msr: IA32_SPEC_CTRL, val: 2) do_trace_write_msr ([kernel.kallsyms]) do_trace_write_msr ([kernel.kallsyms]) __switch_to_xtra ([kernel.kallsyms]) __switch_to ([kernel.kallsyms]) __schedule ([kernel.kallsyms]) schedule_idle ([kernel.kallsyms]) do_idle ([kernel.kallsyms]) cpu_startup_entry ([kernel.kallsyms]) secondary_startup_64_no_verify ([kernel.kallsyms]) # Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Daniel Sneddon <daniel.sneddon@linux.intel.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sandipan Das <sandipan.das@amd.com> Link: https://lore.kernel.org/lkml/Y0nQkz2TUJxwfXJd@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-10-15perf auxtrace arm64: Add support for parsing HiSilicon PCIe Trace packetQi Liu7-0/+396
Add support for using 'perf report --dump-raw-trace' to parse PTT packet. Example usage: Output will contain raw PTT data and its textual representation, such as (8DW format): 0 0 0x5810 [0x30]: PERF_RECORD_AUXTRACE size: 0x400000 offset: 0 ref: 0xa5d50c725 idx: 0 tid: -1 cpu: 0 . . ... HISI PTT data: size 4194304 bytes . 00000000: 00 00 00 00 Prefix . 00000004: 08 20 00 60 Header DW0 . 00000008: ff 02 00 01 Header DW1 . 0000000c: 20 08 00 00 Header DW2 . 00000010: 10 e7 44 ab Header DW3 . 00000014: 2a a8 1e 01 Time . 00000020: 00 00 00 00 Prefix . 00000024: 01 00 00 60 Header DW0 . 00000028: 0f 1e 00 01 Header DW1 . 0000002c: 04 00 00 00 Header DW2 . 00000030: 40 00 81 02 Header DW3 . 00000034: ee 02 00 00 Time .... This patch only add basic parsing support according to the definition of the PTT packet described in Documentation/trace/hisi-ptt.rst. And the fields of each packet can be further decoded following the PCIe Spec's definition of TLP packet. Signed-off-by: Qi Liu <liuqi115@huawei.com> Signed-off-by: Yicong Yang <yangyicong@hisilicon.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Bjorn Helgaas <helgaas@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: John Garry <john.garry@huawei.com> Cc: Jonathan Cameron <jonathan.cameron@huawei.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Qi Liu <liuqi6124@gmail.com> Cc: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com> Cc: Shaokun Zhang <zhangshaokun@hisilicon.com> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Zeng Prime <prime.zeng@huawei.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-pci@vger.kernel.org Cc: linuxarm@huawei.com Link: https://lore.kernel.org/r/20220927081400.14364-4-yangyicong@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-10-15perf auxtrace arm64: Add support for HiSilicon PCIe Tune and Trace device driverQi Liu7-1/+273
HiSilicon PCIe tune and trace device (PTT) could dynamically tune the PCIe link's events, and trace the TLP headers). This patch add support for PTT device in perf tool, so users could use 'perf record' to get TLP headers trace data. Reviewed-by: Leo Yan <leo.yan@linaro.org> Signed-off-by: Qi Liu <liuqi115@huawei.com> Signed-off-by: Yicong Yang <yangyicong@hisilicon.com> Acked-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Bjorn Helgaas <helgaas@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Jonathan Cameron <jonathan.cameron@huawei.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Qi Liu <liuqi6124@gmail.com> Cc: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com> Cc: Shaokun Zhang <zhangshaokun@hisilicon.com> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Zeng Prime <prime.zeng@huawei.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-pci@vger.kernel.org Cc: linuxarm@huawei.com Link: https://lore.kernel.org/r/20220927081400.14364-3-yangyicong@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-10-15perf auxtrace arm: Refactor event list iteration in auxtrace_record__init()Qi Liu1-19/+34
Add find_pmu_for_event() and use to simplify logic in auxtrace_record_init(). find_pmu_for_event() will be reused in subsequent patches. Reviewed-by: John Garry <john.garry@huawei.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Leo Yan <leo.yan@linaro.org> Signed-off-by: Qi Liu <liuqi115@huawei.com> Signed-off-by: Yicong Yang <yangyicong@hisilicon.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Bjorn Helgaas <helgaas@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Qi Liu <liuqi6124@gmail.com> Cc: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com> Cc: Shaokun Zhang <zhangshaokun@hisilicon.com> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Zeng Prime <prime.zeng@huawei.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-pci@vger.kernel.org Cc: linuxarm@huawei.com Link: https://lore.kernel.org/r/20220927081400.14364-2-yangyicong@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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