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2020-12-07clk: qcom: Add support for SDX55 RPMh clocksManivannan Sadhasivam
Add support for following clocks maintained by RPMh in SDX55 SoCs. * BI TCXO * RF_CLK1 * RF_CLK1_AO * RF_CLK2 * RF_CLK2_AO * QPIC (Qualcomm Technologies, Inc. Parallel Interface Controller) Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Vinod Koul <vkoul@kernel.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20201126072844.35370-5-manivannan.sadhasivam@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-12-07dt-bindings: clock: Introduce RPMHCC bindings for SDX55Vinod Koul
Add compatible for SDX55 RPMHCC and DT include. Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20201126072844.35370-4-manivannan.sadhasivam@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-12-07clk: qcom: Add SDX55 GCC supportNaveen Yadav
Add Global Clock Controller (GCC) support for SDX55 SoCs from Qualcomm. Signed-off-by: Naveen Yadav <naveenky@codeaurora.org> [mani: converted to parent_data, commented critical clocks, cleanups] Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Vinod Koul <vkoul@kernel.org> Link: https://lore.kernel.org/r/20201126072844.35370-3-manivannan.sadhasivam@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-12-07dt-bindings: clock: Add SDX55 GCC clock bindingsVinod Koul
Add device tree bindings for global clock controller on SDX55 SoCs. Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20201126072844.35370-2-manivannan.sadhasivam@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-27clk: qcom: Kconfig: Fix spelling mistake "dyanmic" -> "dynamic"Colin Ian King
There is a spelling mistake in the Kconfig help text. Fix it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Link: https://lore.kernel.org/r/20201126232400.15011-1-colin.king@canonical.com Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-24clk: qcom: rpmh: Add CE clock on sdm845.Thara Gopinath
Qualcomm CE clock resource that is managed by BCM is required by crypto driver to access the core clock. Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org> Link: https://lore.kernel.org/r/20201119155233.3974286-3-thara.gopinath@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-24dt-bindings: clock: Add entry for crypto engine RPMH clock resourceThara Gopinath
Add clock id forc CE clock resource which is required to bring up the crypto engine on sdm845. Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org> Link: https://lore.kernel.org/r/20201119155233.3974286-2-thara.gopinath@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-14clk: qcom: dispcc-sm8250: handle MMCX power domainDmitry Baryshkov
On SM8250 MMCX power domain is required to access MMDS_GDSC registers. This power domain is expressed as mmcx-supply regulator property. Use this regulator as MDSS_GDSC supply. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20201023131925.334864-6-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-14clk: qcom: camcc-sc7180: Use runtime PM ops instead of clk onesStephen Boyd
Let's call pm_runtime_get() here instead of calling the PM clk APIs directly. This avoids a compilation problem on CONFIG_PM=n where the pm_clk_runtime_{resume,suspend}() functions don't exist and covers the intent, i.e. enable the clks for this device so we can program PLL settings. Reported-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Nathan Chancellor <natechancellor@gmail.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Taniya Das <tdas@codeaurora.org> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested Fixes: 15d09e830bbc ("clk: qcom: camcc: Add camera clock controller driver for SC7180") Signed-off-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20201114174408.579047-1-sboyd@kernel.org
2020-11-14clk: qcom: lpass-sc7180: Clean up on error in lpass_sc7180_init()Dan Carpenter
Clean up the first driver if the second driver can't be registered. Fixes: 4ee9fe3e292b ("clk: qcom: lpass-sc7180: Disentangle the two clock devices") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/20201113101419.GC168908@mwanda Reviewed-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-04clk: qcom: Add support to LPASS AON_CC Glitch Free Mux clocksSrinivas Kandagatla
LPASS Always ON Clock controller has one GFM mux to control VA and TX clocks to codec macro on LPASS. This patch adds support to this mux. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20201026120221.18984-5-srinivas.kandagatla@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-04clk: qcom: Add support to LPASS AUDIO_CC Glitch Free Mux clocksSrinivas Kandagatla
GFM Muxes in AUDIO_CC control clocks to LPASS WSA and RX Codec Macros. This patch adds support to these muxes. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20201026120221.18984-4-srinivas.kandagatla@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-04dt-bindings: clock: Add support for LPASS Always ON ControllerSrinivas Kandagatla
Always ON Clock controller is a block inside LPASS which controls 1 Glitch free muxes to LPASS codec Macros. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20201026120221.18984-3-srinivas.kandagatla@linaro.org Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-04dt-bindings: clock: Add support for LPASS Audio Clock ControllerSrinivas Kandagatla
Audio Clock controller is a block inside LPASS which controls 2 Glitch free muxes to LPASS codec Macros. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20201026120221.18984-2-srinivas.kandagatla@linaro.org Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-04clk: qcom: lpass-sc7180: Disentangle the two clock devicesDouglas Anderson
The sc7180 lpass clock driver manages two different devices. These two devices were tangled together, using one probe and a lookup to figure out the real probe. I think it's cleaner to really separate the probe for these two devices since they're really different things, just both managed by the same driver. Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20201019154857.v5.2.I75c409497d4dea9daefa53ec5f93824081c4ecbe@changeid Reviewed-by: Taniya Das <tdas@codeaurora.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-04clk: qcom: lpasscc-sc7810: Use devm in probeDouglas Anderson
Let's convert the lpass clock control driver to use devm. This is a few more lines of code, but it will be useful in a later patch which disentangles the two devices handled by this driver. Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20201019154857.v5.1.I4567b5e7e17bbb15ef063d447cb83fd43746cb18@changeid Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-04clk: qcom: camcc: Add camera clock controller driver for SC7180Taniya Das
Add support for the camera clock controller found on SC7180 based devices. This would allow camera drivers to probe and control their clocks. Signed-off-by: Taniya Das <tdas@codeaurora.org> Link: https://lore.kernel.org/r/1602873815-1677-5-git-send-email-tdas@codeaurora.org [sboyd@kernel.org: Mark hw array static, add UL to big vco numbers] Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-04dt-bindings: clock: Add YAML schemas for the QCOM Camera clock bindings.Taniya Das
The Camera Subsystem clock provider have a bunch of generic properties that are needed in a device tree. Add a YAML schemas for those. Add clock ids for camera clocks which are required to bring the camera subsystem out of reset. Signed-off-by: Taniya Das <tdas@codeaurora.org> Link: https://lore.kernel.org/r/1602873815-1677-4-git-send-email-tdas@codeaurora.org Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-04clk: qcom: clk-alpha-pll: Add support for controlling Agera PLLsTaniya Das
Add programming sequence support for managing the Agera PLLs. Signed-off-by: Taniya Das <tdas@codeaurora.org> Link: https://lore.kernel.org/r/1602873815-1677-3-git-send-email-tdas@codeaurora.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-11-04clk: qcom: clk-alpha-pll: Add support for helper functionsTaniya Das
Introduce clk_alpha_pll_write_config and alpha_pll_check_rate_margin helper functions to be across PLL configure functions and PLL set rate functions. Signed-off-by: Taniya Das <tdas@codeaurora.org> Link: https://lore.kernel.org/r/1602873815-1677-2-git-send-email-tdas@codeaurora.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-10-25Linux 5.10-rc1Linus Torvalds
2020-10-25treewide: Convert macro and uses of __section(foo) to __section("foo")Joe Perches
Use a more generic form for __section that requires quotes to avoid complications with clang and gcc differences. Remove the quote operator # from compiler_attributes.h __section macro. Convert all unquoted __section(foo) uses to quoted __section("foo"). Also convert __attribute__((section("foo"))) uses to __section("foo") even if the __attribute__ has multiple list entry forms. Conversion done using the script at: https://lore.kernel.org/lkml/75393e5ddc272dc7403de74d645e6c6e0f4e70eb.camel@perches.com/2-convert_section.pl Signed-off-by: Joe Perches <joe@perches.com> Reviewed-by: Nick Desaulniers <ndesaulniers@gooogle.com> Reviewed-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-10-25kernel/sys.c: fix prototype of prctl_get_tid_address()Rasmus Villemoes
tid_addr is not a "pointer to (pointer to int in userspace)"; it is in fact a "pointer to (pointer to int in userspace) in userspace". So sparse rightfully complains about passing a kernel pointer to put_user(). Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-10-25mm: remove kzfree() compatibility definitionEric Biggers
Commit 453431a54934 ("mm, treewide: rename kzfree() to kfree_sensitive()") renamed kzfree() to kfree_sensitive(), but it left a compatibility definition of kzfree() to avoid being too disruptive. Since then a few more instances of kzfree() have slipped in. Just get rid of them and remove the compatibility definition once and for all. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-10-25checkpatch: enable GIT_DIR environment use to set git repository locationJoe Perches
If set, use the environment variable GIT_DIR to change the default .git location of the kernel git tree. If GIT_DIR is unset, keep using the current ".git" default. Link: https://lkml.kernel.org/r/c5e23b45562373d632fccb8bc04e563abba4dd1d.camel@perches.com Signed-off-by: Joe Perches <joe@perches.com> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-10-25Merge tag 'timers-urgent-2020-10-25' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fixes from Thomas Gleixner: "A time namespace fix and a matching selftest. The futex absolute timeouts which are based on CLOCK_MONOTONIC require time namespace corrected. This was missed in the original time namesapce support" * tag 'timers-urgent-2020-10-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: selftests/timens: Add a test for futex() futex: Adjust absolute futex timeouts with per time namespace offset
2020-10-25Merge tag 'sched-urgent-2020-10-25' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Thomas Gleixner: "Two scheduler fixes: - A trivial build fix for sched_feat() to compile correctly with CONFIG_JUMP_LABEL=n - Replace a zero lenght array with a flexible array" * tag 'sched-urgent-2020-10-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/features: Fix !CONFIG_JUMP_LABEL case sched: Replace zero-length array with flexible-array
2020-10-25Merge tag 'perf-urgent-2020-10-25' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fix from Thomas Gleixner: "A single fix to compute the field offset of the SNOOPX bit in the data source bitmask of perf events correctly" * tag 'perf-urgent-2020-10-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf: correct SNOOPX field offset
2020-10-25Merge tag 'locking-urgent-2020-10-25' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fix from Thomas Gleixner: "Just a trivial fix for kernel-doc warnings" * tag 'locking-urgent-2020-10-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/seqlocks: Fix kernel-doc warnings
2020-10-25Merge tag 'ntb-5.10' of git://github.com/jonmason/ntbLinus Torvalds
Pull NTB fixes from Jon Mason. * tag 'ntb-5.10' of git://github.com/jonmason/ntb: NTB: Use struct_size() helper in devm_kzalloc() ntb: intel: Fix memleak in intel_ntb_pci_probe NTB: hw: amd: fix an issue about leak system resources
2020-10-25Merge branch 'i2c/for-5.10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fix from Wolfram Sang: "Regression fix for rc1 and stable kernels as well" * 'i2c/for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: core: Restore acpi_walk_dep_device_list() getting called after registering the ACPI i2c devs
2020-10-25Merge tag '5.10-rc-smb3-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds
Pull more cifs updates from Steve French: "Add support for stat of various special file types (WSL reparse points for char, block, fifo)" * tag '5.10-rc-smb3-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6: cifs: update internal module version number smb3: add some missing definitions from MS-FSCC smb3: remove two unused variables smb3: add support for stat of WSL reparse points for special file types
2020-10-25Merge branch 'parisc-5.10-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull more parisc updates from Helge Deller: - During this merge window O_NONBLOCK was changed to become 000200000, but we missed that the syscalls timerfd_create(), signalfd4(), eventfd2(), pipe2(), inotify_init1() and userfaultfd() do a strict bit-wise check of the flags parameter. To provide backward compatibility with existing userspace we introduce parisc specific wrappers for those syscalls which filter out the old O_NONBLOCK value and replaces it with the new one. - Prevent HIL bus driver to get stuck when keyboard or mouse isn't attached - Improve error return codes when setting rtc time - Minor documentation fix in pata_ns87415.c * 'parisc-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: ata: pata_ns87415.c: Document support on parisc with superio chip parisc: Add wrapper syscalls to fix O_NONBLOCK flag usage hil/parisc: Disable HIL driver when it gets stuck parisc: Improve error return codes when setting rtc time
2020-10-25Merge tag 'for-linus-5.10b-rc1c-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull more xen updates from Juergen Gross: - a series for the Xen pv block drivers adding module parameters for better control of resource usge - a cleanup series for the Xen event driver * tag 'for-linus-5.10b-rc1c-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: Documentation: add xen.fifo_events kernel parameter description xen/events: unmask a fifo event channel only if it was masked xen/events: only register debug interrupt for 2-level events xen/events: make struct irq_info private to events_base.c xen: remove no longer used functions xen-blkfront: Apply changed parameter name to the document xen-blkfront: add a parameter for disabling of persistent grants xen-blkback: add a parameter for disabling of persistent grants
2020-10-25Merge tag 'safesetid-5.10' of git://github.com/micah-morton/linuxLinus Torvalds
Pull SafeSetID updates from Micah Morton: "The changes are mostly contained to within the SafeSetID LSM, with the exception of a few 1-line changes to change some ns_capable() calls to ns_capable_setid() -- causing a flag (CAP_OPT_INSETID) to be set that is examined by SafeSetID code and nothing else in the kernel. The changes to SafeSetID internally allow for setting up GID transition security policies, as already existed for UIDs" * tag 'safesetid-5.10' of git://github.com/micah-morton/linux: LSM: SafeSetID: Fix warnings reported by test bot LSM: SafeSetID: Add GID security policy handling LSM: Signal to SafeSetID when setting group IDs
2020-10-25Merge tag '20201024-v4-5.10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/wtarreau/prandom Pull random32 updates from Willy Tarreau: "Make prandom_u32() less predictable. This is the cleanup of the latest series of prandom_u32 experimentations consisting in using SipHash instead of Tausworthe to produce the randoms used by the network stack. The changes to the files were kept minimal, and the controversial commit that used to take noise from the fast_pool (f227e3ec3b5c) was reverted. Instead, a dedicated "net_rand_noise" per_cpu variable is fed from various sources of activities (networking, scheduling) to perturb the SipHash state using fast, non-trivially predictable data, instead of keeping it fully deterministic. The goal is essentially to make any occasional memory leakage or brute-force attempt useless. The resulting code was verified to be very slightly faster on x86_64 than what is was with the controversial commit above, though this remains barely above measurement noise. It was also tested on i386 and arm, and build- tested only on arm64" Link: https://lore.kernel.org/netdev/20200808152628.GA27941@SDF.ORG/ * tag '20201024-v4-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/wtarreau/prandom: random32: add a selftest for the prandom32 code random32: add noise from network and scheduling activity random32: make prandom_u32() output unpredictable
2020-10-25i2c: core: Restore acpi_walk_dep_device_list() getting called after ↵Hans de Goede
registering the ACPI i2c devs Commit 21653a4181ff ("i2c: core: Call i2c_acpi_install_space_handler() before i2c_acpi_register_devices()")'s intention was to only move the acpi_install_address_space_handler() call to the point before where the ACPI declared i2c-children of the adapter where instantiated by i2c_acpi_register_devices(). But i2c_acpi_install_space_handler() had a call to acpi_walk_dep_device_list() hidden (that is I missed it) at the end of it, so as an unwanted side-effect now acpi_walk_dep_device_list() was also being called before i2c_acpi_register_devices(). Move the acpi_walk_dep_device_list() call to the end of i2c_acpi_register_devices(), so that it is once again called *after* the i2c_client-s hanging of the adapter have been created. This fixes the Microsoft Surface Go 2 hanging at boot. Fixes: 21653a4181ff ("i2c: core: Call i2c_acpi_install_space_handler() before i2c_acpi_register_devices()") Link: https://bugzilla.kernel.org/show_bug.cgi?id=209627 Reported-by: Rainer Finke <rainer@finke.cc> Reported-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Suggested-by: Maximilian Luz <luzmaximilian@gmail.com> Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-10-24Merge tag 'block-5.10-2020-10-24' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block fixes from Jens Axboe: - NVMe pull request from Christoph - rdma error handling fixes (Chao Leng) - fc error handling and reconnect fixes (James Smart) - fix the qid displace when tracing ioctl command (Keith Busch) - don't use BLK_MQ_REQ_NOWAIT for passthru (Chaitanya Kulkarni) - fix MTDT for passthru (Logan Gunthorpe) - blacklist Write Same on more devices (Kai-Heng Feng) - fix an uninitialized work struct (zhenwei pi)" - lightnvm out-of-bounds fix (Colin) - SG allocation leak fix (Doug) - rnbd fixes (Gioh, Guoqing, Jack) - zone error translation fixes (Keith) - kerneldoc markup fix (Mauro) - zram lockdep fix (Peter) - Kill unused io_context members (Yufen) - NUMA memory allocation cleanup (Xianting) - NBD config wakeup fix (Xiubo) * tag 'block-5.10-2020-10-24' of git://git.kernel.dk/linux-block: (27 commits) block: blk-mq: fix a kernel-doc markup nvme-fc: shorten reconnect delay if possible for FC nvme-fc: wait for queues to freeze before calling update_hr_hw_queues nvme-fc: fix error loop in create_hw_io_queues nvme-fc: fix io timeout to abort I/O null_blk: use zone status for max active/open nvmet: don't use BLK_MQ_REQ_NOWAIT for passthru nvmet: cleanup nvmet_passthru_map_sg() nvmet: limit passthru MTDS by BIO_MAX_PAGES nvmet: fix uninitialized work for zero kato nvme-pci: disable Write Zeroes on Sandisk Skyhawk nvme: use queuedata for nvme_req_qid nvme-rdma: fix crash due to incorrect cqe nvme-rdma: fix crash when connect rejected block: remove unused members for io_context blk-mq: remove the calling of local_memory_node() zram: Fix __zram_bvec_{read,write}() locking order skd_main: remove unused including <linux/version.h> sgl_alloc_order: fix memory leak lightnvm: fix out-of-bounds write to array devices->info[] ...
2020-10-24Merge tag 'io_uring-5.10-2020-10-24' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull io_uring fixes from Jens Axboe: - fsize was missed in previous unification of work flags - Few fixes cleaning up the flags unification creds cases (Pavel) - Fix NUMA affinities for completely unplugged/replugged node for io-wq - Two fallout fixes from the set_fs changes. One local to io_uring, one for the splice entry point that io_uring uses. - Linked timeout fixes (Pavel) - Removal of ->flush() ->files work-around that we don't need anymore with referenced files (Pavel) - Various cleanups (Pavel) * tag 'io_uring-5.10-2020-10-24' of git://git.kernel.dk/linux-block: splice: change exported internal do_splice() helper to take kernel offset io_uring: make loop_rw_iter() use original user supplied pointers io_uring: remove req cancel in ->flush() io-wq: re-set NUMA node affinities if CPUs come online io_uring: don't reuse linked_timeout io_uring: unify fsize with def->work_flags io_uring: fix racy REQ_F_LINK_TIMEOUT clearing io_uring: do poll's hash_node init in common code io_uring: inline io_poll_task_handler() io_uring: remove extra ->file check in poll prep io_uring: make cached_cq_overflow non atomic_t io_uring: inline io_fail_links() io_uring: kill ref get/drop in personality init io_uring: flags-based creds init in queue
2020-10-24Merge tag 'libata-5.10-2020-10-24' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull libata fixes from Jens Axboe: "Two minor libata fixes: - Fix a DMA boundary mask regression for sata_rcar (Geert) - kerneldoc markup fix (Mauro)" * tag 'libata-5.10-2020-10-24' of git://git.kernel.dk/linux-block: ata: fix some kernel-doc markups ata: sata_rcar: Fix DMA boundary mask
2020-10-24Merge branch 'work.misc' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull misc vfs updates from Al Viro: "Assorted stuff all over the place (the largest group here is Christoph's stat cleanups)" * 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fs: remove KSTAT_QUERY_FLAGS fs: remove vfs_stat_set_lookup_flags fs: move vfs_fstatat out of line fs: implement vfs_stat and vfs_lstat in terms of vfs_fstatat fs: remove vfs_statx_fd fs: omfs: use kmemdup() rather than kmalloc+memcpy [PATCH] reduce boilerplate in fsid handling fs: Remove duplicated flag O_NDELAY occurring twice in VALID_OPEN_FLAGS selftests: mount: add nosymfollow tests Add a "nosymfollow" mount option.
2020-10-24Merge tag 'dma-mapping-5.10-1' of git://git.infradead.org/users/hch/dma-mappingLinus Torvalds
Pull dma-mapping fixes from Christoph Hellwig: - document the new dma_{alloc,free}_pages() API - two fixups for the dma-mapping.h split * tag 'dma-mapping-5.10-1' of git://git.infradead.org/users/hch/dma-mapping: dma-mapping: document dma_{alloc,free}_pages dma-mapping: move more functions to dma-map-ops.h ARM/sa1111: add a missing include of dma-map-ops.h
2020-10-24Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull KVM fixes from Paolo Bonzini: "Two fixes for this merge window, and an unrelated bugfix for a host hang" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: ioapic: break infinite recursion on lazy EOI KVM: vmx: rename pi_init to avoid conflict with paride KVM: x86/mmu: Avoid modulo operator on 64-bit value to fix i386 build
2020-10-24Merge tag 'x86_seves_fixes_for_v5.10_rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 SEV-ES fixes from Borislav Petkov: "Three fixes to SEV-ES to correct setting up the new early pagetable on 5-level paging machines, to always map boot_params and the kernel cmdline, and disable stack protector for ../compressed/head{32,64}.c. (Arvind Sankar)" * tag 'x86_seves_fixes_for_v5.10_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/boot/64: Explicitly map boot_params and command line x86/head/64: Disable stack protection for head$(BITS).o x86/boot/64: Initialize 5-level paging variables earlier
2020-10-24random32: add a selftest for the prandom32 codeWilly Tarreau
Given that this code is new, let's add a selftest for it as well. It doesn't rely on fixed sets, instead it picks 1024 numbers and verifies that they're not more correlated than desired. Link: https://lore.kernel.org/netdev/20200808152628.GA27941@SDF.ORG/ Cc: George Spelvin <lkml@sdf.org> Cc: Amit Klein <aksecurity@gmail.com> Cc: Eric Dumazet <edumazet@google.com> Cc: "Jason A. Donenfeld" <Jason@zx2c4.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: tytso@mit.edu Cc: Florian Westphal <fw@strlen.de> Cc: Marc Plumb <lkml.mplumb@gmail.com> Signed-off-by: Willy Tarreau <w@1wt.eu>
2020-10-24random32: add noise from network and scheduling activityWilly Tarreau
With the removal of the interrupt perturbations in previous random32 change (random32: make prandom_u32() output unpredictable), the PRNG has become 100% deterministic again. While SipHash is expected to be way more robust against brute force than the previous Tausworthe LFSR, there's still the risk that whoever has even one temporary access to the PRNG's internal state is able to predict all subsequent draws till the next reseed (roughly every minute). This may happen through a side channel attack or any data leak. This patch restores the spirit of commit f227e3ec3b5c ("random32: update the net random state on interrupt and activity") in that it will perturb the internal PRNG's statee using externally collected noise, except that it will not pick that noise from the random pool's bits nor upon interrupt, but will rather combine a few elements along the Tx path that are collectively hard to predict, such as dev, skb and txq pointers, packet length and jiffies values. These ones are combined using a single round of SipHash into a single long variable that is mixed with the net_rand_state upon each invocation. The operation was inlined because it produces very small and efficient code, typically 3 xor, 2 add and 2 rol. The performance was measured to be the same (even very slightly better) than before the switch to SipHash; on a 6-core 12-thread Core i7-8700k equipped with a 40G NIC (i40e), the connection rate dropped from 556k/s to 555k/s while the SYN cookie rate grew from 5.38 Mpps to 5.45 Mpps. Link: https://lore.kernel.org/netdev/20200808152628.GA27941@SDF.ORG/ Cc: George Spelvin <lkml@sdf.org> Cc: Amit Klein <aksecurity@gmail.com> Cc: Eric Dumazet <edumazet@google.com> Cc: "Jason A. Donenfeld" <Jason@zx2c4.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: tytso@mit.edu Cc: Florian Westphal <fw@strlen.de> Cc: Marc Plumb <lkml.mplumb@gmail.com> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Willy Tarreau <w@1wt.eu>
2020-10-24random32: make prandom_u32() output unpredictableGeorge Spelvin
Non-cryptographic PRNGs may have great statistical properties, but are usually trivially predictable to someone who knows the algorithm, given a small sample of their output. An LFSR like prandom_u32() is particularly simple, even if the sample is widely scattered bits. It turns out the network stack uses prandom_u32() for some things like random port numbers which it would prefer are *not* trivially predictable. Predictability led to a practical DNS spoofing attack. Oops. This patch replaces the LFSR with a homebrew cryptographic PRNG based on the SipHash round function, which is in turn seeded with 128 bits of strong random key. (The authors of SipHash have *not* been consulted about this abuse of their algorithm.) Speed is prioritized over security; attacks are rare, while performance is always wanted. Replacing all callers of prandom_u32() is the quick fix. Whether to reinstate a weaker PRNG for uses which can tolerate it is an open question. Commit f227e3ec3b5c ("random32: update the net random state on interrupt and activity") was an earlier attempt at a solution. This patch replaces it. Reported-by: Amit Klein <aksecurity@gmail.com> Cc: Willy Tarreau <w@1wt.eu> Cc: Eric Dumazet <edumazet@google.com> Cc: "Jason A. Donenfeld" <Jason@zx2c4.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: tytso@mit.edu Cc: Florian Westphal <fw@strlen.de> Cc: Marc Plumb <lkml.mplumb@gmail.com> Fixes: f227e3ec3b5c ("random32: update the net random state on interrupt and activity") Signed-off-by: George Spelvin <lkml@sdf.org> Link: https://lore.kernel.org/netdev/20200808152628.GA27941@SDF.ORG/ [ willy: partial reversal of f227e3ec3b5c; moved SIPROUND definitions to prandom.h for later use; merged George's prandom_seed() proposal; inlined siprand_u32(); replaced the net_rand_state[] array with 4 members to fix a build issue; cosmetic cleanups to make checkpatch happy; fixed RANDOM32_SELFTEST build ] Signed-off-by: Willy Tarreau <w@1wt.eu>
2020-10-24Merge tag 'powerpc-5.10-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - A fix for undetected data corruption on Power9 Nimbus <= DD2.1 in the emulation of VSX loads. The affected CPUs were not widely available. - Two fixes for machine check handling in guests under PowerVM. - A fix for our recent changes to SMP setup, when CONFIG_CPUMASK_OFFSTACK=y. - Three fixes for races in the handling of some of our powernv sysfs attributes. - One change to remove TM from the set of Power10 CPU features. - A couple of other minor fixes. Thanks to: Aneesh Kumar K.V, Christophe Leroy, Ganesh Goudar, Jordan Niethe, Mahesh Salgaonkar, Michael Neuling, Oliver O'Halloran, Qian Cai, Srikar Dronamraju, Vasant Hegde. * tag 'powerpc-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/pseries: Avoid using addr_to_pfn in real mode powerpc/uaccess: Don't use "m<>" constraint with GCC 4.9 powerpc/eeh: Fix eeh_dev_check_failure() for PE#0 powerpc/64s: Remove TM from Power10 features selftests/powerpc: Make alignment handler test P9N DD2.1 vector CI load workaround powerpc: Fix undetected data corruption with P9N DD2.1 VSX CI load emulation powerpc/powernv/dump: Handle multiple writes to ack attribute powerpc/powernv/dump: Fix race while processing OPAL dump powerpc/smp: Use GFP_ATOMIC while allocating tmp mask powerpc/smp: Remove unnecessary variable powerpc/mce: Avoid nmi_enter/exit in real mode on pseries hash powerpc/opal_elog: Handle multiple writes to ack attribute
2020-10-24Merge tag 'riscv-for-linus-5.10-mw1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull more RISC-V updates from Palmer Dabbelt: "Just a single patch set: the remainder of Christoph's work to remove set_fs, including the RISC-V portion" * tag 'riscv-for-linus-5.10-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: remove address space overrides using set_fs() riscv: implement __get_kernel_nofault and __put_user_nofault riscv: refactor __get_user and __put_user riscv: use memcpy based uaccess for nommu again asm-generic: make the set_fs implementation optional asm-generic: add nommu implementations of __{get,put}_kernel_nofault asm-generic: improve the nommu {get,put}_user handling uaccess: provide a generic TASK_SIZE_MAX definition
2020-10-24Merge tag 'armsoc-defconfig' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC defconfig updates from Olof Johansson: "We keep this in a separate branch to avoid cross-branch conflicts, but most of the material here is fairly boring -- some new drivers turned on for hardware since they were merged, and some refreshed files due to time having moved a lot of entries around" * tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (33 commits) ARM: multi_v7_defconfig: add FMC2 EBI controller support arm64: defconfig: enable Qualcomm ASoC modules arm64: defconfig: qcom: enable GPU clock controller for SM8[12]50 arm64: defconfig: enable INTERCONNECT for Qualcomm chipsets arm64: defconfig: enable the sl28cpld board management controller arm64: defconfig: Enable the eLCDIF and Raydium RM67191 drivers arm64: defconfig: Enable Qcom SNPS Femto PHY ARM: configs: Update Realview defconfig ARM: configs: Update Versatile defconfig ARM: config: aspeed_g5: Enable IBM OP Panel driver ARM: config: aspeed-g5: Enable I2C GPIO mux driver ARM: config: aspeed: Fix selection of media drivers arm64: defconfig: Enable Samsung S3FWRN5 NFC driver ARM: omap2plus_defconfig: enable generic net options ARM: omap2plus_defconfig: enable twl4030_madc as a loadable module arm64: defconfig: Enable clock driver for ROHM BD718x7 PMIC arm64: defconfig: Build ADMA and ACONNECT driver arm64: defconfig: Build AHUB component drivers arm64: defconfig: Enable Lontium LT9611 driver arm64: defcondfig: Enable USB ACM and FTDI drivers ...
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