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2018-06-06Merge branch 'pci/sparc'Bjorn Helgaas
- request legacy VGA framebuffer only for VGA devices to avoid false device conflicts (Bjorn Helgaas) - turn on PCI_COMMAND_IO & PCI_COMMAND_MEMORY in pci_enable_device() like everybody else, not in pcibios_fixup_bus() (Bjorn Helgaas) * pci/sparc: sparc/PCI: Use dev_printk() when possible sparc32/PCI/PCIC: Converge device enable path sparc32/PCI/LEON: Converge device enable path sparc/PCI: Request legacy VGA framebuffer only for VGA devices
2018-06-06Merge branch 'pci/resource'Bjorn Helgaas
- add managed interface to get PCI host bridge resources from OF (Jan Kiszka) - add support for unbinding generic PCI host controller (Jan Kiszka) - fix memory leaks when unbinding generic PCI host controller (Jan Kiszka) * pci/resource: PCI: Enable PCI_DOMAINS along with generic PCI host controller PCI: Add support for unbinding the generic PCI host controller PCI: Rework of_pci_get_host_bridge_resources() to devm_of_pci_get_host_bridge_resources() PCI: Use dev_printk() in of_pci_get_host_bridge_resources() PCI: Pass struct device to of_pci_get_host_bridge_resources() PCI: Rename of_pci_get_host_bridge_resources() device node parameter PCI: Fix devm_pci_alloc_host_bridge() memory leak PCI: Make pci_get_new_domain_nr() static
2018-06-06Merge branch 'pci/portdrv'Bjorn Helgaas
- remove unused pcie_port_acpi_setup() and portdrv_acpi.c (Bjorn Helgaas) * pci/portdrv: PCI/portdrv: Remove unused pcie_port_acpi_setup()
2018-06-06Merge branch 'pci/misc'Bjorn Helgaas
- add macros for PCIe Link Control 2 register (Frederick Lawler) - replace IB/hfi1 custom macros with PCI core versions (Frederick Lawler) - remove dead microblaze and xtensa code (Bjorn Helgaas) - use dev_printk() when possible in xtensa and mips (Bjorn Helgaas) * pci/misc: MIPS: PCI: Use dev_printk() when possible xtensa/PCI: Use dev_printk() when possible xtensa/PCI: Make variables static xtensa/PCI: Remove dead code microblaze/PCI: Remove pcibios_claim_one_bus() dead code microblaze/PCI: Remove pcibios_finish_adding_to_bus() dead code IB/hfi1: Replace custom hfi1 macros with PCIe macros PCI: Add PCI_EXP_LNKCTL2_TLS* macros
2018-06-06Merge branch 'pci/hotplug'Bjorn Helgaas
- fix use-before-set error in ibmphp (Dan Carpenter) - fix pciehp timeouts caused by Command Completed errata (Bjorn Helgaas) - fix refcounting in pnv_php hotplug (Julia Lawall) - clear pciehp Presence Detect and Data Link Layer Status Changed on resume so we don't miss hotplug events (Mika Westerberg) - only request pciehp control if we support it, so platform can use ACPI hotplug otherwise (Mika Westerberg) - convert SHPC to be builtin only (Mika Westerberg) - request SHPC control via _OSC if we support it (Mika Westerberg) - simplify SHPC handoff from firmware (Mika Westerberg) * pci/hotplug: PCI: Improve "partially hidden behind bridge" log message PCI: Improve pci_scan_bridge() and pci_scan_bridge_extend() doc PCI: Move resource distribution for single bridge outside loop PCI: Account for all bridges on bus when distributing bus numbers ACPI / hotplug / PCI: Drop unnecessary parentheses ACPI / hotplug / PCI: Mark stale PCI devices disconnected ACPI / hotplug / PCI: Don't scan bridges managed by native hotplug PCI: hotplug: Add hotplug_is_native() PCI: shpchp: Add shpchp_is_native() PCI: shpchp: Fix AMD POGO identification PCI: shpchp: Use dev_printk() for OSHP-related messages PCI: shpchp: Remove get_hp_hw_control_from_firmware() wrapper PCI: shpchp: Remove acpi_get_hp_hw_control_from_firmware() flags PCI: shpchp: Rely on previous _OSC results PCI: shpchp: Request SHPC control via _OSC when adding host bridge PCI: shpchp: Convert SHPC to be builtin only PCI: pciehp: Make pciehp_is_native() stricter PCI: pciehp: Rename host->native_hotplug to host->native_pcie_hotplug PCI: pciehp: Request control of native hotplug only if supported PCI: pciehp: Clear Presence Detect and Data Link Layer Status Changed on resume PCI: pnv_php: Add missing of_node_put() PCI: pciehp: Add quirk for Command Completed errata PCI: Add Qualcomm vendor ID PCI: ibmphp: Fix use-before-set in get_max_bus_speed() # Conflicts: # drivers/acpi/pci_root.c
2018-06-06Merge branch 'pci/enumeration'Bjorn Helgaas
- neaten pci=earlydump output (Andy Shevchenko) - avoid errors when extended config space inaccessible (Gilles Buloz) - prevent sysfs disable of device while driver attached (Christoph Hellwig) - use core interface to report PCIe link properties in bnx2x, bnxt_en, cxgb4, ixgbe (Bjorn Helgaas) - remove unused pcie_get_minimum_link() (Bjorn Helgaas) * pci/enumeration: PCI: Remove unused pcie_get_minimum_link() ixgbe: Report PCIe link properties with pcie_print_link_status() cxgb4: Report PCIe link properties with pcie_print_link_status() bnxt_en: Report PCIe link properties with pcie_print_link_status() bnx2x: Report PCIe link properties with pcie_print_link_status() PCI: Prevent sysfs disable of device while driver is attached PCI: Check whether bridges allow access to extended config space x86/PCI: Make pci=earlydump output neat
2018-06-06Merge branch 'pci/dpc'Bjorn Helgaas
- clear interrupt status in top half to avoid interrupt storm (Oza Pawandeep) * pci/dpc: PCI/DPC: Clear interrupt status in interrupt handler top half
2018-06-06Merge branch 'pci/aspm'Bjorn Helgaas
- disable ASPM L1.2 substate if we don't have LTR (Bjorn Helgaas) - respect platform ownership of LTR (Bjorn Helgaas) * pci/aspm: PCI/ACPI: Request LTR control from platform before using it PCI/ASPM: Disable ASPM L1.2 Substate if we don't have LTR
2018-06-06Merge branch 'pci/aer'Bjorn Helgaas
- unify AER decoding for native and ACPI CPER sources (Alexandru Gagniuc) - add TLP header info to AER tracepoint (Thomas Tai) - add generic pcie_wait_for_link() interface (Oza Pawandeep) - handle AER ERR_FATAL by removing and re-enumerating devices, as Downstream Port Containment does (Oza Pawandeep) - factor out common code between AER and DPC recovery (Oza Pawandeep) - stop triggering DPC for ERR_NONFATAL errors (Oza Pawandeep) - share ERR_FATAL recovery path between AER and DPC (Oza Pawandeep) * pci/aer: PCI/AER: Replace struct pcie_device with pci_dev PCI/AER: Remove unused parameters PCI/AER: Decode Error Source Requester ID PCI/AER: Remove aer_recover_work_func() forward declaration PCI/DPC: Use the generic pcie_do_fatal_recovery() path PCI/AER: Pass service type to pcie_do_fatal_recovery() PCI/DPC: Disable ERR_NONFATAL handling by DPC PCI/portdrv: Add generic pcie_port_find_device() PCI/portdrv: Add generic pcie_port_find_service() PCI/AER: Factor out error reporting to drivers/pci/pcie/err.c PCI/AER: Rename error recovery interfaces to generic PCI naming PCI/AER: Handle ERR_FATAL with removal and re-enumeration of devices PCI: Add generic pcie_wait_for_link() interface PCI/AER: Add TLP header information to tracepoint PCI/AER: Unify error bit printing for native and CPER reporting
2018-06-06Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-armLinus Torvalds
Pull ARM updates from Russell King: - Initial round of Spectre variant 1 and variant 2 fixes for 32-bit ARM - Clang support improvements - nommu updates for v8 MPU - enable ARM_MODULE_PLTS by default to avoid problems loading modules with larger kernels - vmlinux.lds and dma-mapping cleanups * 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: (31 commits) ARM: spectre-v1: fix syscall entry ARM: spectre-v1: add array_index_mask_nospec() implementation ARM: spectre-v1: add speculation barrier (csdb) macros ARM: KVM: report support for SMCCC_ARCH_WORKAROUND_1 ARM: KVM: Add SMCCC_ARCH_WORKAROUND_1 fast handling ARM: spectre-v2: KVM: invalidate icache on guest exit for Brahma B15 ARM: KVM: invalidate icache on guest exit for Cortex-A15 ARM: KVM: invalidate BTB on guest exit for Cortex-A12/A17 ARM: spectre-v2: warn about incorrect context switching functions ARM: spectre-v2: add firmware based hardening ARM: spectre-v2: harden user aborts in kernel space ARM: spectre-v2: add Cortex A8 and A15 validation of the IBE bit ARM: spectre-v2: harden branch predictor on context switches ARM: spectre: add Kconfig symbol for CPUs vulnerable to Spectre ARM: bugs: add support for per-processor bug checking ARM: bugs: hook processor bug checking into SMP and suspend paths ARM: bugs: prepare processor bug infrastructure ARM: add more CPU part numbers for Cortex and Brahma B15 CPUs ARM: 8774/1: remove no-op macro VMLINUX_SYMBOL() ARM: 8773/1: amba: Export amba_bustype ...
2018-06-06Merge tag 'linux-kselftest-4.18-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kselftest update from Shuah Khan: - Work to restructure timers test suite to move PIE out of rtctest from Alexandre Belloni. - Several minor spelling and bug fixes. - New cgroup tests from Roman Gushchin and Mike Rapoport. - Kselftest framework changes to handle and report skipped tests correctly. Prior to these changes, framework treated all non-zero return codes from tests as failures. When tests are skipped with non-zero return code, due to unmet dependencies and/or unsupported configuration, reporting them as failed lead to false negatives on the tests that couldn't be run. - Fixes to test Makefiles to remove unnecessary RUN_TESTS and EMIT_TESTS overrides and use common defines from lib.mk. - Fixes to several tests to return correct Kselftest skip code. - Changes to improve test output. * tag 'linux-kselftest-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (55 commits) selftests: lib: fix prime_numbers module search and skip logic selftests: intel_pstate: notification about privilege required to run intel_pstate testing script selftests: cgroup/memcontrol: add basic test for socket accounting selftest: intel_pstate: debug support message from aperf.c and return value kselftest/cgroup: fix variable dereferenced before check warning selftests/intel_pstate: Enhance table printing selftests/intel_pstate: Improve test, minor fixes selftests: cgroup/memcontrol: add basic test for swap controls selftests: cgroup: add memory controller self-tests selftests: memfd: split regular and hugetlbfs tests selftests: net: return Kselftest Skip code for skipped tests selftests: mqueue: return Kselftest Skip code for skipped tests selftests: memory-hotplug: return Kselftest Skip code for skipped tests selftests: memfd: return Kselftest Skip code for skipped tests selftests: membarrier: return Kselftest Skip code for skipped tests selftests: media_tests: return Kselftest Skip code for skipped tests selftests: locking: return Kselftest Skip code for skipped tests selftests: locking: add Makefile for locking test selftests: lib: return Kselftest Skip code for skipped tests selftests: lib: add prime_numbers.sh test to Makefile ...
2018-06-06perf script python: Add dict fields introduction to DocumentationJin Yao
Add a brief introduction about fields to perf-script-python.txt. It should help python script developers in easily finding what fields are supported. Signed-off-by: Jin Yao <yao.jin@linux.intel.com> Reviewed-by: Andi Kleen <ak@linux.intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jin Yao <yao.jin@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1527843663-32288-4-git-send-email-yao.jin@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-06-06perf script python: Add more PMU fields to event handler dictJin Yao
When doing pmu sampling and then running a script with perf script -s script.py, the process_event function gets dictionary with some fields from the perf ring buffer (like ip, sym, callchain etc). But we miss quite a few fields we report now, for example, LBRs, data source, weight, transaction, iregs, uregs, etc. This patch reports these fields for perf script python processing. New keys/items: --------------- key : brstack items: from, to, from_dsoname, to_dsoname, mispred, predicted, in_tx, abort, cycles. key : brstacksym items: from, to, pred, in_tx, abort (converted string) key : datasrc key : datasrc_decode (decoded string) key : iregs key : uregs key : weight key : transaction v2: --- Add new fields for dso. Use PyBool_FromLong() for mispred/predicted/in_tx/abort Committer notes: !sym->name isn't valid, as its not a pointer, its a [0] array, use !sym->name[0] instead, guaranteed to be the case by symbol__new. This was caught by just one of the containers: 52 54.22 ubuntu:17.04 : FAIL gcc (Ubuntu 6.3.0-12ubuntu2) 6.3.0 20170406 CC /tmp/build/perf/util/scripting-engines/trace-event-python.o util/scripting-engines/trace-event-python.c:534:20: error: address of array 'sym->name' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion] if (!sym || !sym->name) ~~~~~~^~~~ 1 error generated. mv: cannot stat '/tmp/build/perf/util/scripting-engines/.trace-event-python.o.tmp': No such file or directory /git/linux/tools/build/Makefile.build:96: recipe for target '/tmp/build/perf/util/scripting-engines/trace-event-python.o' failed make[5]: *** [/tmp/build/perf/util/scripting-engines/trace-event-python.o] Error 1 Signed-off-by: Jin Yao <yao.jin@linux.intel.com> Reviewed-by: Andi Kleen <ak@linux.intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jin Yao <yao.jin@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1527843663-32288-3-git-send-email-yao.jin@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-06-06media: omap2: fix compile-testing with FB_OMAP2=mArnd Bergmann
Compile-testing with FB_OMAP2=m results in a link error: drivers/media/platform/omap/omap_vout.o: In function `vidioc_streamoff': omap_vout.c:(.text+0x1028): undefined reference to `omap_dispc_unregister_isr' drivers/media/platform/omap/omap_vout.o: In function `omap_vout_release': omap_vout.c:(.text+0x1330): undefined reference to `omap_dispc_unregister_isr' drivers/media/platform/omap/omap_vout.o: In function `vidioc_streamon': omap_vout.c:(.text+0x2dd4): undefined reference to `omap_dispc_register_isr' drivers/media/platform/omap/omap_vout.o: In function `omap_vout_remove': In order to enable compile-testing but still keep the correct dependency, this changes the Kconfig logic so we only allow CONFIG_COMPILE_TEST building when FB_OMAP is completely disabled, or have use the old dependency on FB_OMAP to ensure VIDEO_OMAP2_VOUT is also a loadable module when FB_OMAP2 is. Fixes: d8555fd2f452 ("media: omap2: allow building it with COMPILE_TEST && DRM_OMAP") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-06-06Merge tag 'kconfig-v4.18' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kconfig updates from Masahiro Yamada: "Kconfig now supports new functionality to perform textual substitution. It has been a while since Linus suggested to move compiler option tests from makefiles to Kconfig. Finally, here it is. The implementation has been generalized into a Make-like macro language. Some built-in functions such as 'shell' are provided. Variables and user-defined functions are also supported so that 'cc-option', 'ld-option', etc. are implemented as macros. Summary: - refactor package checks for building {m,n,q,g}conf - remove unused/unmaintained localization support - remove Kbuild cache - drop CONFIG_CROSS_COMPILE support - replace 'option env=' with direct variable expansion - add built-in functions such as 'shell' - support variables and user-defined functions - add helper macros as as 'cc-option' - add unit tests and a document of the new macro language - add 'testconfig' to help - fix warnings from GCC 8.1" * tag 'kconfig-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (30 commits) kconfig: Avoid format overflow warning from GCC 8.1 kbuild: Move last word of nconfig help to the previous line kconfig: Add testconfig into make help output kconfig: add basic helper macros to scripts/Kconfig.include kconfig: show compiler version text in the top comment kconfig: test: add Kconfig macro language tests Documentation: kconfig: document a new Kconfig macro language kconfig: error out if a recursive variable references itself kconfig: add 'filename' and 'lineno' built-in variables kconfig: add 'info', 'warning-if', and 'error-if' built-in functions kconfig: expand lefthand side of assignment statement kconfig: support append assignment operator kconfig: support simply expanded variable kconfig: support user-defined function and recursively expanded variable kconfig: begin PARAM state only when seeing a command keyword kconfig: replace $(UNAME_RELEASE) with function call kconfig: add 'shell' built-in function kconfig: add built-in function support kconfig: make default prompt of mainmenu less specific kconfig: remove sym_expand_string_value() ...
2018-06-06treewide: Use struct_size() for devm_kmalloc() and friendsKees Cook
Replaces open-coded struct size calculations with struct_size() for devm_*, f2fs_*, and sock_* allocations. Automatically generated (and manually adjusted) from the following Coccinelle script: // Direct reference to struct field. @@ identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc"; expression HANDLE; expression GFP; identifier VAR, ELEMENT; expression COUNT; @@ - alloc(HANDLE, sizeof(*VAR) + COUNT * sizeof(*VAR->ELEMENT), GFP) + alloc(HANDLE, struct_size(VAR, ELEMENT, COUNT), GFP) // mr = kzalloc(sizeof(*mr) + m * sizeof(mr->map[0]), GFP_KERNEL); @@ identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc"; expression HANDLE; expression GFP; identifier VAR, ELEMENT; expression COUNT; @@ - alloc(HANDLE, sizeof(*VAR) + COUNT * sizeof(VAR->ELEMENT[0]), GFP) + alloc(HANDLE, struct_size(VAR, ELEMENT, COUNT), GFP) // Same pattern, but can't trivially locate the trailing element name, // or variable name. @@ identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc"; expression HANDLE; expression GFP; expression SOMETHING, COUNT, ELEMENT; @@ - alloc(HANDLE, sizeof(SOMETHING) + COUNT * sizeof(ELEMENT), GFP) + alloc(HANDLE, CHECKME_struct_size(&SOMETHING, ELEMENT, COUNT), GFP) Signed-off-by: Kees Cook <keescook@chromium.org>
2018-06-06treewide: Use struct_size() for vmalloc()-familyKees Cook
This only finds one hit in the entire tree, but here's the Coccinelle: // Directly refer to structure's field @@ identifier alloc =~ "vmalloc|vzalloc"; identifier VAR, ELEMENT; expression COUNT; @@ - alloc(sizeof(*VAR) + COUNT * sizeof(*VAR->ELEMENT)) + alloc(struct_size(VAR, ELEMENT, COUNT)) // mr = kzalloc(sizeof(*mr) + m * sizeof(mr->map[0]), GFP_KERNEL); @@ identifier alloc =~ "vmalloc|vzalloc"; identifier VAR, ELEMENT; expression COUNT; @@ - alloc(sizeof(*VAR) + COUNT * sizeof(VAR->ELEMENT[0])) + alloc(struct_size(VAR, ELEMENT, COUNT)) // Same pattern, but can't trivially locate the trailing element name, // or variable name. @@ identifier alloc =~ "vmalloc|vzalloc"; expression SOMETHING, COUNT, ELEMENT; @@ - alloc(sizeof(SOMETHING) + COUNT * sizeof(ELEMENT)) + alloc(CHECKME_struct_size(&SOMETHING, ELEMENT, COUNT)) Signed-off-by: Kees Cook <keescook@chromium.org>
2018-06-06treewide: Use struct_size() for kmalloc()-familyKees Cook
One of the more common cases of allocation size calculations is finding the size of a structure that has a zero-sized array at the end, along with memory for some number of elements for that array. For example: struct foo { int stuff; void *entry[]; }; instance = kmalloc(sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL); Instead of leaving these open-coded and prone to type mistakes, we can now use the new struct_size() helper: instance = kmalloc(struct_size(instance, entry, count), GFP_KERNEL); This patch makes the changes for kmalloc()-family (and kvmalloc()-family) uses. It was done via automatic conversion with manual review for the "CHECKME" non-standard cases noted below, using the following Coccinelle script: // pkey_cache = kmalloc(sizeof *pkey_cache + tprops->pkey_tbl_len * // sizeof *pkey_cache->table, GFP_KERNEL); @@ identifier alloc =~ "kmalloc|kzalloc|kvmalloc|kvzalloc"; expression GFP; identifier VAR, ELEMENT; expression COUNT; @@ - alloc(sizeof(*VAR) + COUNT * sizeof(*VAR->ELEMENT), GFP) + alloc(struct_size(VAR, ELEMENT, COUNT), GFP) // mr = kzalloc(sizeof(*mr) + m * sizeof(mr->map[0]), GFP_KERNEL); @@ identifier alloc =~ "kmalloc|kzalloc|kvmalloc|kvzalloc"; expression GFP; identifier VAR, ELEMENT; expression COUNT; @@ - alloc(sizeof(*VAR) + COUNT * sizeof(VAR->ELEMENT[0]), GFP) + alloc(struct_size(VAR, ELEMENT, COUNT), GFP) // Same pattern, but can't trivially locate the trailing element name, // or variable name. @@ identifier alloc =~ "kmalloc|kzalloc|kvmalloc|kvzalloc"; expression GFP; expression SOMETHING, COUNT, ELEMENT; @@ - alloc(sizeof(SOMETHING) + COUNT * sizeof(ELEMENT), GFP) + alloc(CHECKME_struct_size(&SOMETHING, ELEMENT, COUNT), GFP) Signed-off-by: Kees Cook <keescook@chromium.org>
2018-06-06strparser: Add __strp_unpause and use it in ktls.Doron Roberts-Kedes
strp_unpause queues strp_work in order to parse any messages that arrived while the strparser was paused. However, the process invoking strp_unpause could eagerly parse a buffered message itself if it held the sock lock. __strp_unpause is an alternative to strp_pause that avoids the scheduling overhead that results when a receiving thread unpauses the strparser and waits for the next message to be delivered by the workqueue thread. This patch more than doubled the IOPS achieved in a benchmark of NBD traffic encrypted using ktls. Signed-off-by: Doron Roberts-Kedes <doronrk@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-06rxrpc: Fix terminal retransmission connection ID to include the channelDavid Howells
When retransmitting the final ACK or ABORT packet for a call, the cid field in the packet header is set to the connection's cid, but this is incorrect as it also needs to include the channel number on that connection that the call was made on. Fix this by OR'ing in the channel number. Note that this fixes the bug that: commit 1a025028d400b23477341aa7ec2ce55f8b39b554 rxrpc: Fix handling of call quietly cancelled out on server works around. I'm not intending to revert that as it will help protect against problems that might occur on the server. Fixes: 3136ef49a14c ("rxrpc: Delay terminal ACK transmission on a client call") Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-06Merge branch 'hns3-next'David S. Miller
Salil Mehta says: ==================== Bug fixes & optimization for HNS3 Driver This patch-set presents miscellaneous bug fixes and an optimization for HNS3 driver V1->V2: * Fixes the compilation break reported by David Miller & Kbuild ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-06net: hns3: Optimize PF CMDQ interrupt switching processXi Wang
When the PF frequently switches the CMDQ interrupt, if the CMDQ_SRC is not cleared before the hardware interrupt is generated, the new interrupt will not be reported. This patch optimizes this problem by clearing CMDQ_SRC and RESET_STS before enabling interrupt and syncing pending IRQ handlers after disabling interrupt. Fixes: 466b0c00391b ("net: hns3: Add support for misc interrupt") Signed-off-by: Xi Wang <wangxi11@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-06net: hns3: Fix for VF mailbox receiving unknown messageXi Wang
Before the firmware updates the crq's tail pointer, if the VF driver reads the data in the crq, the data may be incomplete at this time, which will lead to the driver read an unknown message. This patch fixes it by checking if crq is empty before reading the message. Fixes: b11a0bb231f3 ("net: hns3: Add mailbox support to VF driver") Signed-off-by: Xi Wang <wangxi11@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-06net: hns3: Fix for VF mailbox cannot receiving PF responseXi Wang
When the VF frequently switches the CMDQ interrupt, if the CMDQ_SRC is not cleared, the VF will not receive the new PF response after the interrupt is re-enabled, the corresponding log is as follows: [ 317.482222] hns3 0000:00:03.0: VF could not get mbx resp(=0) from PF in 500 tries [ 317.483137] hns3 0000:00:03.0: VF request to get tqp info from PF failed -5 This patch fixes this problem by clearing CMDQ_SRC before enabling interrupt and syncing pending IRQ handlers after disabling interrupt. Fixes: e2cb1dec9779 ("net: hns3: Add HNS3 VF HCL(Hardware Compatibility Layer) Support") Signed-off-by: Xi Wang <wangxi11@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-06dax: Use dax_write_cache* helpersRoss Zwisler
Use dax_write_cache() and dax_write_cache_enabled() instead of open coding the bit operations. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2018-06-06libnvdimm, pmem: Do not flush power-fail protected CPU cachesRoss Zwisler
This commit: 5fdf8e5ba566 ("libnvdimm: re-enable deep flush for pmem devices via fsync()") intended to make sure that deep flush was always available even on platforms which support a power-fail protected CPU cache. An unintended side effect of this change was that we also lost the ability to skip flushing CPU caches on those power-fail protected CPU cache. Fix this by skipping the low level cache flushing in dax_flush() if we have CPU caches which are power-fail protected. The user can still override this behavior by manually setting the write_cache state of a namespace. See libndctl's ndctl_namespace_write_cache_is_enabled(), ndctl_namespace_enable_write_cache() and ndctl_namespace_disable_write_cache() functions. Cc: <stable@vger.kernel.org> Fixes: 5fdf8e5ba566 ("libnvdimm: re-enable deep flush for pmem devices via fsync()") Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2018-06-06bnx2x: use the right constantJulia Lawall
Nearby code that also tests port suggests that the P0 constant should be used when port is zero. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression e,e1; @@ * e ? e1 : e1 // </smpl> Fixes: 6c3218c6f7e5 ("bnx2x: Adjust ETS to 578xx") Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-06Merge tag 'kbuild-v4.18' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - improve fixdep to coalesce consecutive slashes in dep-files - fix some issues of the maintainer string generation in deb-pkg script - remove unused CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX and clean-up several tools and linker scripts - clean-up modpost - allow to enable the dead code/data elimination for PowerPC in EXPERT mode - improve two coccinelle scripts for better performance - pass endianness and machine size flags to sparse for all architecture - misc fixes * tag 'kbuild-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (25 commits) kbuild: add machine size to CHECKFLAGS kbuild: add endianness flag to CHEKCFLAGS kbuild: $(CHECK) doesnt need NOSTDINC_FLAGS twice scripts: Fixed printf format mismatch scripts/tags.sh: use `find` for $ALLSOURCE_ARCHS generation coccinelle: deref_null: improve performance coccinelle: mini_lock: improve performance powerpc: Allow LD_DEAD_CODE_DATA_ELIMINATION to be selected kbuild: Allow LD_DEAD_CODE_DATA_ELIMINATION to be selectable if enabled kbuild: LD_DEAD_CODE_DATA_ELIMINATION no -ffunction-sections/-fdata-sections for module build kbuild: Fix asm-generic/vmlinux.lds.h for LD_DEAD_CODE_DATA_ELIMINATION modpost: constify *modname function argument where possible modpost: remove redundant is_vmlinux() test modpost: use strstarts() helper more widely modpost: pass struct elf_info pointer to get_modinfo() checkpatch: remove VMLINUX_SYMBOL() check vmlinux.lds.h: remove no-op macro VMLINUX_SYMBOL() kbuild: remove CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX export.h: remove code for prefixing symbols with underscore depmod.sh: remove symbol prefix support ...
2018-06-06libnvdimm, pmem: Unconditionally deep flush on *syncRoss Zwisler
Prior to this commit we would only do a "deep flush" (have nvdimm_flush() write to each of the flush hints for a region) in response to an msync/fsync/sync call if the nvdimm_has_cache() returned true at the time we were setting up the request queue. This happens due to the write cache value passed in to blk_queue_write_cache(), which then causes the block layer to send down BIOs with REQ_FUA and REQ_PREFLUSH set. We do have a "write_cache" sysfs entry for namespaces, i.e.: /sys/bus/nd/devices/pfn0.1/block/pmem0/dax/write_cache which can be used to control whether or not the kernel thinks a given namespace has a write cache, but this didn't modify the deep flush behavior that we set up when the driver was initialized. Instead, it only modified whether or not DAX would flush CPU caches via dax_flush() in response to *sync calls. Simplify this by making the *sync deep flush always happen, regardless of the write cache setting of a namespace. The DAX CPU cache flushing will still be controlled the write_cache setting of the namespace. Cc: <stable@vger.kernel.org> Fixes: 5fdf8e5ba566 ("libnvdimm: re-enable deep flush for pmem devices via fsync()") Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2018-06-06Revert "net: sched: cls: Fix offloading when ingress dev is vxlan"David S. Miller
This reverts commit d96a43c66464cdf0b249fdf47b6dcd65b83af8c0. This potentially breaks things, so reverting as per request by Jakub Kicinski. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-06net: dsa: b53: Fix for brcm tag issue in Cygnus SoCArun Parameswaran
In the Broadcom Cygnus SoC, the brcm tag needs to be inserted in between the mac address and the ether type (should use 'DSA_PROTO_TAG_BRCM') for the packets sent to the internal b53 switch. Since the Cygnus was added with the BCM58XX device id and the BCM58XX uses 'DSA_PROTO_TAG_BRCM_PREPEND', the data path is broken, due to the incorrect brcm tag location. Add a new b53 device id (BCM583XX) for Cygnus family to fix the issue. Add the new device id to the BCM58XX family as Cygnus is similar to the BCM58XX in most other functionalities. Fixes: 11606039604c ("net: dsa: b53: Support prepended Broadcom tags") Signed-off-by: Arun Parameswaran <arun.parameswaran@broadcom.com> Acked-by: Scott Branden <scott.branden@broadcom.com> Reported-by: Clément Péron <peron.clem@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Tested-by: Clément Péron <peron.clem@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-06libnvdimm, pmem: Complete REQ_FLUSH => REQ_PREFLUSHRoss Zwisler
Complete the move from REQ_FLUSH to REQ_PREFLUSH that apparently started way back in v4.8. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2018-06-06netfilter: nft_set_rbtree: fix parameter of __nft_rbtree_lookup()Taehee Yoo
The parameter this doesn't have a flags value. so that it can't be used by nft_rbtree_interval_end(). test commands: %nft add table ip filter %nft add set ip filter s { type ipv4_addr \; flags interval \; } %nft add element ip filter s {0-1} %nft add element ip filter s {2-10} %nft add chain ip filter input { type filter hook input priority 0\; } %nft add rule ip filter input ip saddr @s Splat looks like: [ 246.752502] BUG: KASAN: slab-out-of-bounds in __nft_rbtree_lookup+0x677/0x6a0 [nft_set_rbtree] [ 246.752502] Read of size 1 at addr ffff88010d9efa47 by task http/1092 [ 246.752502] CPU: 1 PID: 1092 Comm: http Not tainted 4.17.0-rc6+ #185 [ 246.752502] Call Trace: [ 246.752502] <IRQ> [ 246.752502] dump_stack+0x74/0xbb [ 246.752502] ? __nft_rbtree_lookup+0x677/0x6a0 [nft_set_rbtree] [ 246.752502] print_address_description+0xc7/0x290 [ 246.752502] ? __nft_rbtree_lookup+0x677/0x6a0 [nft_set_rbtree] [ 246.752502] kasan_report+0x22c/0x350 [ 246.752502] __nft_rbtree_lookup+0x677/0x6a0 [nft_set_rbtree] [ 246.752502] nft_rbtree_lookup+0xc9/0x2d2 [nft_set_rbtree] [ 246.752502] ? sched_clock_cpu+0x144/0x180 [ 246.752502] nft_lookup_eval+0x149/0x3a0 [nf_tables] [ 246.752502] ? __lock_acquire+0xcea/0x4ed0 [ 246.752502] ? nft_lookup_init+0x6b0/0x6b0 [nf_tables] [ 246.752502] nft_do_chain+0x263/0xf50 [nf_tables] [ 246.752502] ? __nft_trace_packet+0x1a0/0x1a0 [nf_tables] [ 246.752502] ? sched_clock_cpu+0x144/0x180 [ ... ] Fixes: f9121355eb6f ("netfilter: nft_set_rbtree: incorrect assumption on lower interval lookups") Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2018-06-06mailbox/drivers/hisi: Consolidate the Kconfig for the MAILBOXDaniel Lezcano
The current defconfig is inconsistent as it selects the mailbox and the clock for the hi6220 and the hi3660 without having their Kconfigs making sure the dependencies are correct. It ends up when selecting different versions for the kernel (for example when git bisecting) those options disappear and they don't get back, leading to unexpected behaviors. In our case, the cpufreq driver does no longer work because the clock fails to initialize due to the clock stub and the mailbox missing. In order to have the dependencies correctly set when defaulting, let's do the same as commit 3a49afb84ca074e ("clk: enable hi655x common clk automatically") where we select automatically the driver when the parent driver is selected. With sensible defaults in place, we can leave other choices for EXPERT. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Leo Yan <leo.yan@linaro.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2018-06-06mailbox: Add support for Qualcomm SDM845 SoCsSibi Sankar
Add the corresponding APSS shared offset for SDM845 SoC Signed-off-by: Sibi Sankar <sibis@codeaurora.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2018-06-06dt-bindings: mailbox: Add APSS shared binding for SDM845 SoCsSibi Sankar
Include SDM845 APSS shared to the list of possible bindings Signed-off-by: Sibi Sankar <sibis@codeaurora.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2018-06-06mailbox: bcm2835: Fix of_xlate return valueStefan Wahren
The bcm2835-mailbox returns NULL instead of an error pointer, which could result in a NULL ptr dereference in mbox_request_channel. So fix this by returning a proper error pointer. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Fixes: 0bae6af6d704 ("mailbox: Enable BCM2835 mailbox support") Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2018-06-06mailbox: qcom: Add msm8998 hmss compatibleBjorn Andersson
The Qualcomm MSM8998 platform has a APCS HMSS GLOBAL block, add the compatible for this. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2018-06-06mailbox: add STMicroelectronics STM32 IPCC driverFabien Dessenne
The STMicroelectronics STM32 Inter-Processor Communication Controller (IPCC) is used for communicating data between two processors. It provides a non blocking signaling mechanism to post and retrieve communication data in an atomic way. Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Signed-off-by: Ludovic Barre <ludovic.barre@st.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2018-06-06dt-bindings: mailbox: add STMicroelectronics STM32 IPCC bindingFabien Dessenne
Add a binding for the STMicroelectronics STM32 IPCC block exposing a mailbox mechanism between two processors. Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Signed-off-by: Ludovic Barre <ludovic.barre@st.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2018-06-06mailbox: Remove depends on HAS_DMA in case of platform dependencyGeert Uytterhoeven
Remove dependencies on HAS_DMA where a Kconfig symbol depends on another symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST". In most cases this other symbol is an architecture or platform specific symbol, or PCI. Generic symbols and drivers without platform dependencies keep their dependencies on HAS_DMA, to prevent compiling subsystems or drivers that cannot work anyway. This simplifies the dependencies, and allows to improve compile-testing. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Mark Brown <broonie@kernel.org> Acked-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2018-06-06Merge tag 'sound-4.18-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound updates from Takashi Iwai: "We've got many code additions at this cycle as a result of quite a few new drivers. Below are highlights: Core stuff: - Fix the long-standing issue with the device registration order; the control device is now registered at last - PCM locking code cleanups for RT kernels - Fixes for possible races in ALSA timer resolution accesses - TLV offset definitions in uapi ASoC: - Many fixes for the topology stuff, including fixes for v4 ABI compatibility - Lots of cleanups / quirks for Intel platforms based on Realtek CODECs - Continued componentization works, removing legacy CODEC stuff - Conversion of OMAP DMA to the new, more standard SDMA-PCM driver - Fixes and updates to Cirrus Logic SoC drivers - New Qualcomm DSP support - New drivers for Analog SSM2305, Atmel I2S controllers, Mediatek MT6351, MT6797 and MT7622, Qualcomm DSPs, Realtek RT1305, RT1306 and RT5668 and TI TSCS454 HD-audio: - Finally better support for some CA0132 boards, allowing Windows firmware - HP Spectre x360 support along with a bulk of COEF stuff - Blacklisting power save default some known boards reported on Fedora USB-audio: - Continued improvements on UAC3 support; now BADD is supported - Fixes / improvements for Dell WD15 dock - Allow DMA coherent pages for PCM buffers for ARCH, MIPS & co Others: - New Xen sound frontend driver support - Cache implementation and other improvements for FireWire DICE - Conversions to octal permissions in allover places" * tag 'sound-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (386 commits) ASoC: dapm: delete dapm_kcontrol_data paths list before freeing it ALSA: usb-audio: remove redundant check on err ASoC: topology: Move skl-tplg-interface.h to uapi ASoC: topology: Move v4 manifest header data structures to uapi ASoC: topology: Improve backwards compatibility with v4 topology files ALSA: pci/hda: Remove unused, broken, header file ASoC: TSCS454: Add Support ASoC: Intel: kbl: Move codec sysclk config to codec_init function ASoC: simple-card: set cpu dai clk in hw_params ALSA: hda - Handle kzalloc() failure in snd_hda_attach_pcm_stream() ALSA: oxygen: use match_string() helper ASoC: dapm: use match_string() helper ASoC: max98095: use match_string() helper ASoC: max98088: use match_string() helper ASoC: Intel: bytcr_rt5651: Set card long_name based on quirks ASoC: mt6797-mt6351: add hostless phone call path ASoC: mt6797: add Hostless DAI ASoC: mt6797: add PCM interface ASoC: mediatek: export mtk-afe symbols as needed ASoC: codecs: PCM1789: include gpio/consumer.h ...
2018-06-06perf script python: Move dsoname code to a new functionJin Yao
This patch creates a new function get_dsoname() and move the code which gets the dsoname string to this function. That's because in next patch, when we process LBR data, we will also need get_dsoname() to return dsoname for branch from/to. Signed-off-by: Jin Yao <yao.jin@linux.intel.com> Reviewed-by: Andi Kleen <ak@linux.intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1527843663-32288-2-git-send-email-yao.jin@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-06-06perf symbols: Add BSS symbols when reading from /proc/kallsymsArnaldo Carvalho de Melo
We were not considering 'B' and 'b' (BSS, uninitialized data objects, that gets set to zero at program start), do it so that we can resolve more symbols in tools doing resolution of data operands, like 'perf c2c'. When using vmlinux, i.e. an ELF symbol table, those were already considered, as the decision was about STT_FUNC or STT_OBJECT, and the later covers BSS symbols. # grep -i ' b ' /proc/kallsyms | head -20 | tail -5 ffffffffa789d030 b execute_command ffffffffa789d038 b initcall_command_line ffffffffa789d040 b static_command_line ffffffffa789d048 B ROOT_DEV ffffffffa789d050 b once.73786 # # readelf -s /lib/modules/`uname -r`/build/vmlinux | grep ROOT_DEV 79219: ffffffff8289d048 4 OBJECT GLOBAL DEFAULT 58 ROOT_DEV # Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-z960xobig39ca1pmp5brl2fr@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-06-06perf annnotate: Make __symbol__inc_addr_samples handle src->histograms == NULLArnaldo Carvalho de Melo
Making it a bit more robust, this took place here when a sample appeared right after: ffffffff8a925000 D __nosave_end And before the next considered symbol, which, using kallsyms make us over guess the size of __nosave_end, and then the sequence: hist_entry__inc_addr_samples -> symbol__inc_addr_samples -> symbol__hists -> annotated_source__alloc_histograms Ends up not liking to allocate gigabytes of ram for annotation... This will be alleviated by considering BSS symbols, which we should but don't so far, and then we should investigate those samples further. The testcase was to have: perf top -e cycles/call-graph=fp/,cache-misses/call-graph=dwarf/,instructions Running for a while till it segfaulted trying to access NULL notes->src->histograms. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-ndfjtpiop3tdcnyjgp320ra8@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-06-06perf intel-pt: Fix "Unexpected indirect branch" errorAdrian Hunter
Some Atom CPUs can produce FUP packets that contain NLIP (next linear instruction pointer) instead of CLIP (current linear instruction pointer). That will result in "Unexpected indirect branch" errors. Fix by comparing IP to NLIP in that case. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1527762225-26024-5-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-06-06perf intel-pt: Fix MTC timing after overflowAdrian Hunter
On some platforms, overflows will clear before MTC wraparound, and there is no following TSC/TMA packet. In that case the previous TMA is valid. Since there will be a valid TMA either way, stop setting 'have_tma' to false upon overflow. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1527762225-26024-4-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-06-06perf intel-pt: Fix decoding to accept CBR between FUP and corresponding TIPAdrian Hunter
It is possible to have a CBR packet between a FUP packet and corresponding TIP packet. Stop treating it as an error. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1527762225-26024-3-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-06-06perf intel-pt: Fix sync_switch INTEL_PT_SS_NOT_TRACINGAdrian Hunter
sync_switch is a facility to synchronize decoding more closely with the point in the kernel when the context actually switched. In one case, INTEL_PT_SS_NOT_TRACING state was not correctly transitioning to INTEL_PT_SS_TRACING state due to a missing case clause. Add it. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1527762225-26024-2-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-06-06perf script powerpc: Python script for hypervisor call statisticsRavi Bangoria
Add python script to show hypervisor call statistics. Ex, # perf record -a -e "{powerpc:hcall_entry,powerpc:hcall_exit}" # perf script -s scripts/python/powerpc-hcalls.py hcall count min(ns) max(ns) avg(ns) -------------------------------------------------------------------- H_RANDOM 82 838 1164 904 H_PUT_TCE 47 1078 5928 2003 H_EOI 266 1336 3546 1654 H_ENTER 28 1646 4038 1952 H_PUT_TCE_INDIRECT 230 2166 18168 6109 H_IPI 238 1072 3232 1688 H_SEND_LOGICAL_LAN 42 5488 21366 7694 H_STUFF_TCE 294 986 6210 3591 H_XIRR 266 2286 6990 3783 H_PROTECT 10 2196 3556 2555 H_VIO_SIGNAL 294 1028 2784 1311 H_ADD_LOGICAL_LAN_BUFFER 53 1978 3450 2600 H_SEND_CRQ 77 1762 7240 2447 Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/20180605124801.17210-1-ravi.bangoria@linux.ibm.com [ Fixup typo: table_loockup -> table_lookup ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>