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2021-08-04soc: qcom: geni: Add support for gpi dmaVinod Koul2-2/+42
GPI DMA is one of the DMA modes supported on geni, this adds support to enable that mode Also do better documentation of the enum geni_se_xfer_mode. Signed-off-by: Vinod Koul <vkoul@kernel.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20210625052213.32260-3-vkoul@kernel.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-08-04soc: qcom: geni: move GENI_IF_DISABLE_RO to common headerVinod Koul2-1/+4
GENI_IF_DISABLE_RO is used by geni spi driver as well to check the status if GENI, so move this to common header qcom-geni-se.h Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Vinod Koul <vkoul@kernel.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20210625052213.32260-2-vkoul@kernel.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-08-03PM: AVS: qcom-cpr: Use nvmem_cell_read_variable_le_u32()Douglas Anderson1-38/+5
Let's delete the private function cpr_read_efuse() since it does the basically the same thing as the new API call nvmem_cell_read_variable_le_u32(). Differences between the new API call and the old private function: * less error printing (I assume this is OK). * will give an error if the value doesn't fit in 32-bits (the old code would have truncated silently). Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Niklas Cassel <nks@flawful.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20210521134437.v2.1.Id1c70158722750aec0673d60c12e46a9c66bbfed@changeid Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-07-19drivers: soc: qcom: rpmpd: Add SM6115 RPM Power DomainsIskren Chernev1-0/+28
The SM4250/6115 have 4 rpm power domains, ported from downstream DT. Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com> Link: https://lore.kernel.org/r/20210627185927.695411-6-iskren.chernev@gmail.com Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-07-19dt-bindings: power: rpmpd: Add SM6115 to rpmpd bindingIskren Chernev2-0/+11
Add compatible and constants for the power domains exposed by the RPM in the Qualcomm SM4250/6115 platforms. Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210627185927.695411-5-iskren.chernev@gmail.com Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-07-19dt-bindings: soc: qcom: smd-rpm: Add SM6115 compatibleIskren Chernev1-0/+1
Add the dt-binding for the rpm on the Qualcomm SM4250/6115 SoC platform. Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210627185927.695411-2-iskren.chernev@gmail.com Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-07-19soc: qcom: aoss: Fix the out of bound usage of cooling_devsManivannan Sadhasivam1-2/+6
In "qmp_cooling_devices_register", the count value is initially QMP_NUM_COOLING_RESOURCES, which is 2. Based on the initial count value, the memory for cooling_devs is allocated. Then while calling the "qmp_cooling_device_add" function, count value is post-incremented for each child node. This makes the out of bound access to the cooling_dev array. Fix it by passing the QMP_NUM_COOLING_RESOURCES definition to devm_kzalloc() and initializing the count to 0. While at it, let's also free the memory allocated to cooling_dev if no cooling device is found in DT and during unroll phase. Cc: stable@vger.kernel.org # 5.4 Fixes: 05589b30b21a ("soc: qcom: Extend AOSS QMP driver to support resources that are used to wake up the SoC.") Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20210629153249.73428-1-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-07-19firmware: qcom_scm: Allow qcom_scm driver to be loadable as a permenent moduleJohn Stultz5-2/+10
Allow the qcom_scm driver to be loadable as a permenent module. This still uses the "depends on QCOM_SCM || !QCOM_SCM" bit to ensure that drivers that call into the qcom_scm driver are also built as modules. While not ideal in some cases its the only safe way I can find to avoid build errors without having those drivers select QCOM_SCM and have to force it on (as QCOM_SCM=n can be valid for those drivers). Reviving this now that Saravana's fw_devlink defaults to on, which should avoid loading troubles seen before. Acked-by: Kalle Valo <kvalo@codeaurora.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Will Deacon <will@kernel.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: John Stultz <john.stultz@linaro.org> Link: https://lore.kernel.org/r/20210707045320.529186-1-john.stultz@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-07-19soc: qcom: socinfo: Don't print anything if nothing foundStephen Boyd1-2/+2
Let's skip printing anything if there's nothing to see. This makes it so the file length is 0 instead of 1, for the newline, and helps scripts figure out if there's anything to see in these files. Cc: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> Cc: Douglas Anderson <dianders@chromium.org> Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> Signed-off-by: Stephen Boyd <swboyd@chromium.org> Link: https://lore.kernel.org/r/20210628030150.2627905-1-swboyd@chromium.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-07-19soc: qcom: rpmhpd: Use corner in power_offBjorn Andersson1-3/+2
rpmhpd_aggregate_corner() takes a corner as parameter, but in rpmhpd_power_off() the code requests the level of the first corner instead. In all (known) current cases the first corner has level 0, so this change should be a nop, but in case that there's a power domain with a non-zero lowest level this makes sure that rpmhpd_power_off() actually requests the lowest level - which is the closest to "power off" we can get. While touching the code, also skip the unnecessary zero-initialization of "ret". Fixes: 279b7e8a62cc ("soc: qcom: rpmhpd: Add RPMh power domain driver") Reviewed-by: Rajendra Nayak <rnayak@codeaurora.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Reviewed-by: Sibi Sankar <sibis@codeaurora.org> Tested-by: Sibi Sankar <sibis@codeaurora.org> Link: https://lore.kernel.org/r/20210703005416.2668319-2-bjorn.andersson@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-07-19soc: qcom: aoss: Add generic compatibleBjorn Andersson1-0/+1
It seems we don't need platform specific implementation for the AOSS QMP, so let's introduce a generic compatible to avoid having to update the driver for each platform. Reviewed-by: Sibi Sankar <sibis@codeaurora.org> Tested-by: Sibi Sankar <sibis@codeaurora.org> Link: https://lore.kernel.org/r/20210709174142.1274554-4-bjorn.andersson@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-07-19dt-bindings: soc: qcom: aoss: Convert to YAMLBjorn Andersson2-90/+114
Convert to YAML in order to allow validation. Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210709174142.1274554-3-bjorn.andersson@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-07-19dt-bindings: soc: qcom: aoss: Add SC8180X and generic compatibleBjorn Andersson1-1/+4
Add a generic compatible for all versions of the AOSS QMP to the binding, in order to allow a single implementation for them and then add a specific compatible for the Qualcomm SC8180x platform. Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210709174142.1274554-2-bjorn.andersson@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-07-16firmware: qcom_scm: remove a duplicative conditionJunlin Yang1-1/+1
Fixes coccicheck warnings: ./drivers/firmware/qcom_scm.c:324:20-22: WARNING !A || A && B is equivalent to !A || B Signed-off-by: Junlin Yang <yangjunlin@yulong.com> Link: https://lore.kernel.org/r/20210311013235.1458-1-angkery@163.com Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-07-16firmware: qcom_scm: Mark string array constStephen Boyd1-1/+1
Mark the qcom_scm_convention_names[] array const as it isn't changed. Cc: Elliot Berman <eberman@codeaurora.org> Fixes: 9a434cee773a ("firmware: qcom_scm: Dynamically support SMCCC and legacy conventions") Signed-off-by: Stephen Boyd <swboyd@chromium.org> Link: https://lore.kernel.org/r/20210222031431.3831189-1-swboyd@chromium.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-07-11Linux 5.14-rc1Linus Torvalds1-2/+2
2021-07-11mm/rmap: try_to_migrate() skip zone_device !device_privateHugh Dickins1-3/+3
I know nothing about zone_device pages and !device_private pages; but if try_to_migrate_one() will do nothing for them, then it's better that try_to_migrate() filter them first, than trawl through all their vmas. Signed-off-by: Hugh Dickins <hughd@google.com> Reviewed-by: Shakeel Butt <shakeelb@google.com> Reviewed-by: Alistair Popple <apopple@nvidia.com> Link: https://lore.kernel.org/lkml/1241d356-8ec9-f47b-a5ec-9b2bf66d242@google.com/ Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Yang Shi <shy828301@gmail.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-11mm/rmap: fix new bug: premature return from page_mlock_one()Hugh Dickins1-6/+5
In the unlikely race case that page_mlock_one() finds VM_LOCKED has been cleared by the time it got page table lock, page_vma_mapped_walk_done() must be called before returning, either explicitly, or by a final call to page_vma_mapped_walk() - otherwise the page table remains locked. Fixes: cd62734ca60d ("mm/rmap: split try_to_munlock from try_to_unmap") Signed-off-by: Hugh Dickins <hughd@google.com> Reviewed-by: Alistair Popple <apopple@nvidia.com> Reviewed-by: Shakeel Butt <shakeelb@google.com> Reported-by: kernel test robot <oliver.sang@intel.com> Link: https://lore.kernel.org/lkml/20210711151446.GB4070@xsang-OptiPlex-9020/ Link: https://lore.kernel.org/lkml/f71f8523-cba7-3342-40a7-114abc5d1f51@google.com/ Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Yang Shi <shy828301@gmail.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-11mm/rmap: fix old bug: munlocking THP missed other mlocksHugh Dickins1-5/+8
The kernel recovers in due course from missing Mlocked pages: but there was no point in calling page_mlock() (formerly known as try_to_munlock()) on a THP, because nothing got done even when it was found to be mapped in another VM_LOCKED vma. It's true that we need to be careful: Mlocked accounting of pte-mapped THPs is too difficult (so consistently avoided); but Mlocked accounting of only-pmd-mapped THPs is supposed to work, even when multiple mappings are mlocked and munlocked or munmapped. Refine the tests. There is already a VM_BUG_ON_PAGE(PageDoubleMap) in page_mlock(), so page_mlock_one() does not even have to worry about that complication. (I said the kernel recovers: but would page reclaim be likely to split THP before rediscovering that it's VM_LOCKED? I've not followed that up) Fixes: 9a73f61bdb8a ("thp, mlock: do not mlock PTE-mapped file huge pages") Signed-off-by: Hugh Dickins <hughd@google.com> Reviewed-by: Shakeel Butt <shakeelb@google.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Link: https://lore.kernel.org/lkml/cfa154c-d595-406-eb7d-eb9df730f944@google.com/ Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Alistair Popple <apopple@nvidia.com> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Yang Shi <shy828301@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-11mm/rmap: fix comments left over from recent changesHugh Dickins2-7/+2
Parallel developments in mm/rmap.c have left behind some out-of-date comments: try_to_migrate_one() also accepts TTU_SYNC (already commented in try_to_migrate() itself), and try_to_migrate() returns nothing at all. TTU_SPLIT_FREEZE has just been deleted, so reword the comment about it in mm/huge_memory.c; and TTU_IGNORE_ACCESS was removed in 5.11, so delete the "recently referenced" comment from try_to_unmap_one() (once upon a time the comment was near the removed codeblock, but they drifted apart). Signed-off-by: Hugh Dickins <hughd@google.com> Reviewed-by: Shakeel Butt <shakeelb@google.com> Reviewed-by: Alistair Popple <apopple@nvidia.com> Link: https://lore.kernel.org/lkml/563ce5b2-7a44-5b4d-1dfd-59a0e65932a9@google.com/ Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Yang Shi <shy828301@gmail.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-10mm/page_alloc: Revert pahole zero-sized workaroundMel Gorman2-14/+0
Commit dbbee9d5cd83 ("mm/page_alloc: convert per-cpu list protection to local_lock") folded in a workaround patch for pahole that was unable to deal with zero-sized percpu structures. A superior workaround is achieved with commit a0b8200d06ad ("kbuild: skip per-CPU BTF generation for pahole v1.18-v1.21"). This patch reverts the dummy field and the pahole version check. Fixes: dbbee9d5cd83 ("mm/page_alloc: convert per-cpu list protection to local_lock") Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-10rtc: pcf8523: rename register and bit definesAlexandre Belloni1-73/+73
arch/arm/mach-ixp4xx/include/mach/platform.h now gets included indirectly and defines REG_OFFSET. Rename the register and bit definition to something specific to the driver. Fixes: 7fd70c65faac ("ARM: irqstat: Get rid of duplicated declaration") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210710211431.1393589-1-alexandre.belloni@bootlin.com
2021-07-10rtc: pcf2127: handle timestamp interruptsMian Yousaf Kaukab1-59/+133
commit 03623b4b041c ("rtc: pcf2127: add tamper detection support") added support for timestamp interrupts. However they are not being handled in the irq handler. If a timestamp interrupt occurs it results in kernel disabling the interrupt and displaying the call trace: [ 121.145580] irq 78: nobody cared (try booting with the "irqpoll" option) ... [ 121.238087] [<00000000c4d69393>] irq_default_primary_handler threaded [<000000000a90d25b>] pcf2127_rtc_irq [rtc_pcf2127] [ 121.248971] Disabling IRQ #78 Handle timestamp interrupts in pcf2127_rtc_irq(). Save time stamp before clearing TSF1 and TSF2 flags so that it can't be overwritten. Set a flag to mark if the timestamp is valid and only report to sysfs if the flag is set. To mimic the hardware behavior, don’t save another timestamp until the first one has been read by the userspace. However, if the alarm irq is not configured, keep the old way of handling timestamp interrupt in the timestamp0 sysfs calls. Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de> Reviewed-by: Bruno Thomsen <bruno.thomsen@gmail.com> Tested-by: Bruno Thomsen <bruno.thomsen@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210629150643.31551-1-ykaukab@suse.de
2021-07-10rtc: at91sam9: Remove unnecessary offset variable checksNobuhiro Iwamatsu1-1/+1
The offset variable is checked by at91_rtc_readalarm(), but this check is unnecessary because the previous check knew that the value of this variable was not 0. This removes that unnecessary offset variable checks. Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Ludovic Desroches <ludovic.desroches@microchip.com> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210708051340.341345-1-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: s5m: Check return value of s5m_check_peding_alarm_interrupt()Nobuhiro Iwamatsu1-3/+1
s5m_check_peding_alarm_interrupt() in s5m_rtc_read_alarm() gets the return value, but doesn't use it. This modifies using the s5m_check_peding_alarm_interrupt()"s return value as the s5m_rtc_read_alarm()'s return value. Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: linux-samsung-soc@vger.kernel.org Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210708051304.341278-1-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: spear: convert to SPDX identifierNobuhiro Iwamatsu1-4/+1
Use SPDX-License-Identifier instead of a verbose license text. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-11-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: tps6586x: convert to SPDX identifierNobuhiro Iwamatsu1-14/+1
Use SPDX-License-Identifier instead of a verbose license text. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-9-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: tps80031: convert to SPDX identifierNobuhiro Iwamatsu1-14/+1
Use SPDX-License-Identifier instead of a verbose license text. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-8-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: rtd119x: Fix format of SPDX identifierNobuhiro Iwamatsu1-2/+1
For C files, use the C99 format (//). Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-7-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: sc27xx: Fix format of SPDX identifierNobuhiro Iwamatsu1-1/+1
For C files, use the C99 format (//). Cc: Orson Zhai <orsonzhai@gmail.com> Cc: Baolin Wang <baolin.wang7@gmail.com> Cc: Chunyan Zhang <zhang.lyra@gmail.com> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-6-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: palmas: convert to SPDX identifierNobuhiro Iwamatsu1-14/+1
Use SPDX-License-Identifier instead of a verbose license text. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-5-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: max6900: convert to SPDX identifierNobuhiro Iwamatsu1-5/+3
Use SPDX-License-Identifier instead of a verbose license text. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-4-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: ds1374: convert to SPDX identifierNobuhiro Iwamatsu1-5/+2
Use SPDX-License-Identifier instead of a verbose license text. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-3-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: au1xxx: convert to SPDX identifierNobuhiro Iwamatsu1-4/+1
Use SPDX-License-Identifier instead of a verbose license text. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-2-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-09Revert "PCI: Coalesce host bridge contiguous apertures"Bjorn Helgaas1-46/+4
This reverts commit 65db04053efea3f3e412a7e0cc599962999c96b4. Guenter reported that after 65db04053efe, the ppc:sam460ex qemu emulation no longer boots from nvme: nvme nvme0: Device not ready; aborting initialisation, CSTS=0x0 nvme nvme0: Removing after probe failure status: -19 Link: https://lore.kernel.org/r/20210709231529.GA3270116@roeck-us.net Reported-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2021-07-10rtc: pcf85063: Update the PCF85063A datasheet revisionFabio Estevam1-1/+1
After updating the datasheet URL, the PCF85063A datasheet revision has changed. Adjust it accordingly. Reported-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210624120953.2313378-1-festevam@gmail.com
2021-07-10dt-bindings: rtc: ti,bq32k: take maintainershipAlexandre Belloni1-1/+1
Take maintainership of the binding as PAvel said he doesn't have the hardware anymore. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Pavel Machek <pavel@ucw.cz> Link: https://lore.kernel.org/r/20210620224030.1115356-1-alexandre.belloni@bootlin.com
2021-07-09perf test: Add free() calls for scandir() returned dirent entriesRiccardo Mancini1-4/+11
ASan reported a memory leak for items of the entlist returned from scandir(). In fact, scandir() returns a malloc'd array of malloc'd dirents. This patch adds the missing (z)frees. Fixes: da963834fe6975a1 ("perf test: Iterate over shell tests in alphabetical order") Signed-off-by: Riccardo Mancini <rickyman7@gmail.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Fabian Hemmer <copy@copy.sh> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Remi Bernon <rbernon@codeweavers.com> Link: http://lore.kernel.org/lkml/20210709163454.672082-1-rickyman7@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-07-09libperf: Add tests for perf_evlist__set_leader()Jiri Olsa1-6/+21
Add a test for the newly added perf_evlist__set_leader() function. Committer testing: $ cd tools/lib/perf/ $ sudo make tests [sudo] password for acme: running static: - running tests/test-cpumap.c...OK - running tests/test-threadmap.c...OK - running tests/test-evlist.c...OK - running tests/test-evsel.c...OK running dynamic: - running tests/test-cpumap.c...OK - running tests/test-threadmap.c...OK - running tests/test-evlist.c...OK - running tests/test-evsel.c...OK $ Signed-off-by: Jiri Olsa <jolsa@kernel.org> Requested-by: Shunsuke Nakamura <nakamura.shun@fujitsu.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210706151704.73662-8-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-07-09libperf: Remove BUG_ON() from library code in get_group_fd()Arnaldo Carvalho de Melo1-7/+16
We shouldn't just panic, return a value that doesn't clash with what perf_evsel__open() was already returning in case of error, i.e. errno when sys_perf_event_open() fails. Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Shunsuke Nakamura <nakamura.shun@fujitsu.com> Link: http://lore.kernel.org/lkml/YOiOA5zOtVH9IBbE@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-07-09cifs: update internal version numberSteve French1-1/+1
To 2.33 Signed-off-by: Steve French <stfrench@microsoft.com>
2021-07-09cifs: prevent NULL deref in cifs_compose_mount_options()Paulo Alcantara1-0/+3
The optional @ref parameter might contain an NULL node_name, so prevent dereferencing it in cifs_compose_mount_options(). Addresses-Coverity: 1476408 ("Explicit null dereferenced") Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-07-09libperf: Add group support to perf_evsel__open()Jiri Olsa1-2/+24
Add support to set group_fd in perf_evsel__open() and make it follow the group setup. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Requested-by: Shunsuke Nakamura <nakamura.shun@fujitsu.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210706151704.73662-7-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-07-09SMB3.1.1: Add support for negotiating signing algorithmSteve French4-11/+86
Support for faster packet signing (using GMAC instead of CMAC) can now be negotiated to some newer servers, including Windows. See MS-SMB2 section 2.2.3.17. This patch adds support for sending the new negotiate context with the first of three supported signing algorithms (AES-CMAC) and decoding the response. A followon patch will add support for sending the other two (including AES-GMAC, which is fastest) and changing the signing algorithm used based on what was negotiated. To allow the client to request GMAC signing set module parameter "enable_negotiate_signing" to 1. Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com> Reviewed-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-07-09perf tools: Fix pattern matching for same substring in different PMU typeJin Yao3-2/+37
Some different PMU types may have the same substring. For example, on Icelake server we have PMU types "uncore_imc" and "uncore_imc_free_running". Both PMU types have the substring "uncore_imc". But the parser wrongly thinks they are the same PMU type. We enable an imc event, perf stat -e uncore_imc/event=0xe3/ -a -- sleep 1 Perf actually expands the event to: uncore_imc_0/event=0xe3/ uncore_imc_1/event=0xe3/ uncore_imc_2/event=0xe3/ uncore_imc_3/event=0xe3/ uncore_imc_4/event=0xe3/ uncore_imc_5/event=0xe3/ uncore_imc_6/event=0xe3/ uncore_imc_7/event=0xe3/ uncore_imc_free_running_0/event=0xe3/ uncore_imc_free_running_1/event=0xe3/ uncore_imc_free_running_3/event=0xe3/ uncore_imc_free_running_4/event=0xe3/ That's because the "uncore_imc_free_running" matches the pattern "uncore_imc*". Now we check that the last characters of PMU name is '_<digit>'. For example, for pattern "uncore_imc*", "uncore_imc_0" is parsed ok, but "uncore_imc_free_running_0" fails. Fixes: b2b9d3a3f0211c5d ("perf pmu: Support wildcards on pmu name in dynamic pmu events") Signed-off-by: Jin Yao <yao.jin@linux.intel.com> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Agustin Vega-Frias <agustinv@codeaurora.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210701064253.1175-1-yao.jin@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-07-09perf record: Add a dummy event on hybrid systems to collect metadata recordsKan Liang1-4/+5
Some symbols may not be resolved if a user only monitors one type of PMU. $ sudo perf record -e cpu_atom/branch-instructions/ ./big_small_workload $ sudo perf report –stdio # Overhead Command Shared Object Symbol # ........ ......... ................. ..................... # 28.02% perf-exec [unknown] [.] 0x0000000000401cf6 11.32% perf-exec [unknown] [.] 0x0000000000401d04 10.90% perf-exec [unknown] [.] 0x0000000000401d11 10.61% perf-exec [unknown] [.] 0x0000000000401cfc To parse symbols the metadata records, e.g., PERF_RECORD_COMM, which are generated by the kernel, are required. To decide whether to generate the metadata records, the kernel relies on the event_filter_match() to filter the unrelated events. On a hybrid system, event_filter_match() further checks the CPU mask of the current enabled PMU. If an event is collected on the CPU which doesn't have an enabled PMU, it's treated as an unrelated event. The "big_small_workload" is created in a big core, but runs on a small core. The metadata records are filtered, because the user only monitors the PMU of the small core. The big core PMU is not enabled. For a hybrid system, a dummy event is required to generate the complete side-band events. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/1625760212-18441-1-git-send-email-kan.liang@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-07-09perf stat: Add Topdown metrics L2 events as default eventsKan Liang2-1/+8
The Topdown Microarchitecture Analysis (TMA) Method is a structured analysis methodology to identify critical performance bottlenecks in out-of-order processors. The Topdown metrics L1 event was added as default in 42641d6f4d15e6db ("perf stat: Add Topdown metrics events as default events") From the Sapphire Rapids server and later platforms, the same dedicated "metrics" register is extended to support both L1 and L2 events. Add both L1 and L2 Topdown metrics events as default to enrich the default measuring information if the new measurement register is available. On legacy systems there is no change to avoid extra multiplexing. The topdown_level indicates the max metrics level for the top-down statistics. Set it to 2 to display all L1 and L2 Topdown metrics events. With the patch: $ perf stat sleep 1 Performance counter stats for 'sleep 1': 0.59 msec task-clock # 0.001 CPUs utilized 1 context-switches # 1.687 K/sec 0 cpu-migrations # 0.000 /sec 76 page-faults # 128.198 K/sec 1,405,318 cycles # 2.371 GHz 1,471,136 instructions # 1.05 insn per cycle 310,132 branches # 523.136 M/sec 10,435 branch-misses # 3.36% of all branches 8,431,908 slots # 14.223 G/sec 1,554,116 topdown-retiring # 18.4% retiring 1,289,585 topdown-bad-spec # 15.2% bad speculation 2,810,636 topdown-fe-bound # 33.2% frontend bound 2,810,636 topdown-be-bound # 33.2% backend bound 231,464 topdown-heavy-ops # 2.7% heavy operations # 15.6% light operations 1,223,453 topdown-br-mispredict # 14.5% branch mispredict # 0.8% machine clears 1,884,779 topdown-fetch-lat # 22.3% fetch latency # 10.9% fetch bandwidth 1,454,917 topdown-mem-bound # 17.2% memory bound # 16.0% Core bound 1.001179699 seconds time elapsed 0.000000000 seconds user 0.001238000 seconds sys Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Reviewed-by: Andi Kleen <ak@linux.intel.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/1625760169-18396-1-git-send-email-kan.liang@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-07-09libperf: Adopt evlist__set_leader() from tools/perf as perf_evlist__set_leader()Jiri Olsa7-20/+26
Move the implementation of evlist__set_leader() to a new libperf perf_evlist__set_leader() function with the same functionality make it a libperf exported API. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Requested-by: Shunsuke Nakamura <nakamura.shun@fujitsu.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210706151704.73662-6-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-07-09libperf: Move 'nr_groups' from tools/perf to evlist::nr_groupsJiri Olsa11-23/+23
Move evsel::nr_groups to perf_evsel::nr_groups, so we can move the group interface to libperf. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Requested-by: Shunsuke Nakamura <nakamura.shun@fujitsu.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210706151704.73662-5-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-07-09libperf: Move 'leader' from tools/perf to perf_evsel::leaderJiri Olsa20-77/+103
Move evsel::leader to perf_evsel::leader, so we can move the group interface to libperf. Also add several evsel helpers to ease up the transition: struct evsel *evsel__leader(struct evsel *evsel); - get leader evsel bool evsel__has_leader(struct evsel *evsel, struct evsel *leader); - true if evsel has leader as leader bool evsel__is_leader(struct evsel *evsel); - true if evsel is itw own leader void evsel__set_leader(struct evsel *evsel, struct evsel *leader); - set leader for evsel Committer notes: Fix this when building with 'make BUILD_BPF_SKEL=1' tools/perf/util/bpf_counter.c - if (evsel->leader->core.nr_members > 1) { + if (evsel->core.leader->nr_members > 1) { Signed-off-by: Jiri Olsa <jolsa@kernel.org> Requested-by: Shunsuke Nakamura <nakamura.shun@fujitsu.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210706151704.73662-4-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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